JP3153204B2 - Balloon body having pipe insertion portion and method of manufacturing the balloon body - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a balloon body provided with a pipe insertion portion having an opening in both upper and lower sides or one of them, and a method of manufacturing the balloon body. In this specification, the “balloon body” refers to all hollow objects that expand by filling with gas regardless of the material, shape, size, etc., and the “pipe” refers to the material / shape ( For example, it has a rod-like structure that can be inserted into the balloon body regardless of the size, thickness, etc., and includes both hollow and solid shapes.

[0002]

2. Description of the Related Art Conventionally, a balloon having a pipe insertion portion is generally formed as follows.

First, a vertically open synthetic resin cylindrical body having a desired diameter and a desired length to be a pipe insertion portion is formed, and a center opening having a diameter matching the upper opening of the cylindrical body is formed. And a lower-surface synthetic resin sheet having a desired shape in which a central opening having a diameter corresponding to the lower opening of the cylindrical body is formed separately. Next, the cylindrical body is inserted into a metal guide cylinder having a desired diameter, and the upper and lower end edges are forcibly pulled, respectively, and then folded back in the outer circumferential direction of the guide cylinder. Next, as described above, the upper opening portion of the pipe insertion cylinder folded back in the outer peripheral direction of the guide cylinder and the opening portion of the upper surface sheet are centered, and then, the joint portions of the two are welded. Then, the lower opening portion of the pipe insertion cylinder which is similarly folded back and the opening portion of the lower surface sheet are centered, and thereafter, the joint portion between them is welded. After the welding of the cylindrical body and the upper and lower sheets, the metal guide tube is removed. Next, both ends of the synthetic resin side sheet are welded to form a side cylinder. Next, the upper end edge of the side cylindrical body is welded to the outer peripheral edge of the upper surface sheet, and the lower end edge is welded to the outer peripheral edge of the lower surface sheet, thereby forming a balloon body having a cylindrical pipe insertion portion at the center.

[0004]

However, it is considered that the balloon formed as described above has the following problems.

As described above, a cylinder for inserting a pipe,
It is necessary to separately manufacture, weld, and assemble the upper sheet, the lower sheet, and the side cylinder. In this case, the number of parts is large, and it is very troublesome in production and management.

In particular, in such a manufacturing method, a synthetic resin cylindrical body serving as a pipe insertion portion is inserted into a metal guide cylinder, and the upper and lower end edges thereof are forcibly pulled, while the outer peripheral direction of the guide cylinder is increased. It is very difficult and troublesome to fold each of the above (the above-mentioned operation).

[0007] In particular, since this operation is performed by the operator's hand, when the operation of pinching the edge of the synthetic resin cylindrical body and forcibly pulling it back is performed, the hole diameter of the insertion portion is small (for example, 30 mm diameter). Etc.)
Not only is it very difficult to pinch and fold it, but the work time per unit is long and mass production cannot be expected.

Further, since the cylindrical body serving as the insertion portion is made of a thin soft synthetic resin, the edge is broken during the operation of forcibly pulling and folding the edge to the outside of the guide cylinder. I also had.

Furthermore, it is difficult to center and weld the upper opening of the cylindrical body and the center opening of the upper sheet, and the lower opening and the center opening of the lower sheet, respectively.
The assemblability is extremely poor, and there is a loss of production labor and production time.

Further, the following problems are inevitably generated from the structure of the balloon body. Since the pipe insertion portion formed in the balloon body is formed in a cylindrical body having a desired diameter, it is necessary to use a pipe having substantially the same diameter as the pipe insertion portion when trying to hold the pipe. However, in such a configuration, the frictional resistance becomes high and the insertion and removal cannot be easily performed.

Conversely, if the pipe diameter is made larger than the desired pipe diameter with emphasis on ease of insertion / removal, it is necessary to use an adhesive or the like, since if the pipe is inserted, the holding performance will be poor and the pipe will slip down. (As a result, the balloon body cannot be attached or detached).

For example, in a case where a plurality of balloon bodies are inserted into a pipe in a manner similar to a dumpling and inserted and held in a pipe to form a dumpling-like balloon toy, each balloon body inserted into the pipe is held without easily falling down. On the other hand, if the balloon body inserted and held in the pipe is not a simple mechanism that can be easily inserted and removed, it will not become a dumpling-like balloon toy, it will not be interesting as a toy and will attract children's interest There is nothing at all. In addition, this type of balloon has both good insertion retention and easy insertion / removal even when it is used as a display by inserting and holding this kind of balloon on a pipe standing from the floor or a pipe hanging from the ceiling. Must.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art, and it is an object of the present invention to completely eliminate the need for centering of a pipe insertion portion and to greatly improve the ease of assembly. It is an object of the present invention to provide a balloon body having a pipe insertion portion which can easily insert and remove the balloon body from the pipe while maintaining the balloon body in the pipe, and a method for manufacturing the balloon body.

[0014]

In order to achieve the above-mentioned object, a technical means of the present invention according to the present invention is a narrow half-piece for forming a pipe insertion portion over an upper half and a lower half. Two soft sheets each having a substantially I-shape in a front view formed by providing the thin sheets are fixed to each other, and the left and right side edges of the narrow halves for forming the pipe insertion portion in the overlapped soft sheets are fixed. A pipe insertion portion formed by fixing the edge portions of the upper half and the lower half which are respectively continuous from the upper and lower ends of the half and opening the upper and lower ends or one end in the center, and the upper half and the lower half Upper and lower surfaces formed by opening the upper halves and the lower halves, with the fixed portion between the halves as a boundary,
The upper surface and the lower surface are constituted by side surfaces formed by fixing the periphery of a soft sheet for forming side surfaces to the periphery of the lower surface, respectively.

According to a second aspect of the present invention, two soft sheets each having a substantially I-shape in front view and formed by providing narrow narrow halves for forming a pipe insertion portion over the upper half and the lower half. The left and right side edges of the narrow halves for forming the pipe insertion portion in the overlapped soft sheet are fixed, and the upper half and the lower half continuous from the upper and lower ends of the narrow halves, respectively. A pipe insertion portion formed by fixing an edge portion and opening the upper and lower ends or one end in the center, and the upper halves and the lower halves bordering on the fixed portions of the upper halves and the lower halves. A ring-shaped surface formed by opening the halves and fixing the opposing edges of each of the opened upper halves and the respective edges of the lower halves to each other; On each edge of the surface Is that it is constituted by the side of the periphery of the soft sheet is formed by respective fixed for the surface formation.

The following manufacturing method is used as a method for manufacturing the balloon according to the first aspect. First,
Two soft flat sheets having a substantially I-shape in a front view are formed in which narrow narrow halves for forming a pipe insertion portion are provided over the upper half and the lower half. Next, the two soft flat sheets are overlapped, and the left and right edges of the narrow halves for forming the pipe insertion portion in the overlapped soft flat sheets are fixed, and from the upper and lower ends of the narrow halves. The edge portions of the continuous upper half and lower half are fixed to form a pipe insertion portion having upper and lower ends or one end opened at the center. Next, the upper halves and the lower halves are opened at the fixed portions of the upper halves and the lower halves to form upper and lower surfaces having desired shapes, respectively. Next, the upper and lower edges of the soft sheet for forming the side surface are fixed to the upper and outer peripheral edges, respectively, to form a balloon body.

Further, as a method of manufacturing the balloon body according to the second aspect, the following manufacturing method is used. First, two soft flat sheets having a substantially I-shape in front view are formed, in which narrow half-shaped pieces for forming a pipe insertion portion are provided over the upper half and the lower half. Next, the two soft flat sheets are overlapped, the left and right side edges of the narrow halves for forming the pipe insertion portion in the overlapped soft flat sheets are fixed, and the upper and lower ends of the narrow halves are fixed. Then, the end portions of the upper half piece and the lower half piece which are respectively continuous from each other are fixed to form a pipe insertion part having upper and lower ends or one end opened at the center. Next, the upper halves and the lower halves are opened at the respective fixed portions of the upper halves and the lower halves, and then each edge of the opened upper halves and both lower halves are opened. The opposing edges at each edge of the half are secured together to form a ring-shaped surface. Then, the respective peripheral edges of the soft sheet for forming the side surface are respectively fixed to the respective peripheral edges of the ring-shaped surface to form a balloon body.

[0018]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings.

First, a balloon body according to the first aspect and a method for manufacturing the balloon body according to the third aspect will be described.

This embodiment is directed to a pipe 1 made of a hard synthetic resin.
3, three balloons 1, 1, 1 according to a specific embodiment of the present invention, which are formed in a substantially short cylindrical shape with a soft sheet, are sequentially inserted in a skewered dumpling shape, and each of the balloons 1,. It is assumed that the balloon toy A is held as possible (FIG. 7).

The present embodiment is merely an embodiment disclosed for describing an embodiment of the present invention, and the present invention is not limited thereto. For example, it is applicable to any inflatable balloons such as toys, floats and displays, and is not limited to any particular type. The balloon 1 can be freely selected and used within a range of one or more. It is.

The balloon body 1 is formed later with a soft synthetic resin piece (sheet) and an upper surface 2, a lower surface 3, and a pipe insertion portion 5 integrally formed with a soft synthetic resin piece (sheet). It is constituted by the side surface 4.

The balloon 1 is characterized in that it is formed as follows. That is, two soft sheets 8 each having a substantially I-shaped front view and formed by providing a narrow half piece 11 for forming a pipe insertion portion over a semicircular upper half piece 9 and a semicircular lower half piece 10. The left and right side edges 11a, 11a, 1 of the narrow halves 11, 11 for forming the pipe insertion portion in the superposed soft sheets 8, 8
1a and 11a are welded to form a pipe insertion portion 5 at the center, and the upper end portions 11b and
11b, 11b, 11b and lower end portions 11c, 11c, 11
c · 11c, an edge portion (inner peripheral edge) 9b in the upper half pieces 9, 9 and the lower half pieces 10, 10, respectively, which are continuous with each other.
9b, 9b ・ 9b and 10b ・ 10b, 10b ・ 10
Weld b.

When the upper halves 9 and 9 and the lower halves 10 and 10 are opened with the fixed portion as a boundary, circular upper surfaces 2 and lower surfaces 3 are formed by combining semicircles, respectively.
Between the upper surface 2 and the lower surface 3, there is formed a pipe insertion portion 5 opened at the respective center positions.

Thereafter, the upper edge 12a of the soft sheet 12 for forming the side surface 4 is moved to the outer edges 9a, 9 of the upper half pieces 9, 9.
a, the lower edge 12b is connected to the outer peripheral edge 1 of the lower half pieces 10, 10.
The short cylindrical balloon body 1 is formed by welding to 0a and 10a, respectively. In addition, the balloon body 1 of the present embodiment is inflated by injecting air, and the upper surface 2 and the lower surface 3 slightly swell outward in the inflated state (as shown in FIGS. The lower surface 3 has a curved surface shape).

The balloon body 1 is not limited to the one formed of the soft synthetic resin pieces (sheets) disclosed in the present embodiment as long as the balloon body 1 is formed of a soft sheet. And the like, and the thickness thereof is not particularly limited.

The overall shape of the balloon body 1 is such that the pipe insertion portion 5
The structure is not limited to the above-mentioned short cylindrical shape, and may be, for example, a vertically long shape or a horizontally long shape as long as it has a structure that can inflate by injecting air into the internal space (air injection space) 6. Well-known general shapes such as a whole sphere, a square, a circle, and a triangle can be adopted within the scope of the present invention.

Further, by adding colors, patterns, characters, and the like to the outer surface 7 of the balloon, and by adding a bell or a liquid into the inner space 6 of the balloon 1 at a molding stage, the added value of the product as a balloon toy can be increased. It is also within the scope of the present invention.

The pipe insertion portion 5 extends vertically from the center of the upper surface 2 of the balloon body 1 to the center of the lower surface 3.
a, 5b are provided on the axis of the balloon body 1 as described above with the upper surface 2 and the lower surface 3 facing each other, and the interior space 6 of the balloon body 1 is cut off so that the air in the balloon body 1 is transmitted from the pipe insertion portion 5. It is configured not to get out. Also, the pipe insertion part 5
May have an opening on both or any one of the upper surface 2 and the lower surface 3.

Since the pipe insertion portion 5 is not formed in a cylindrical shape, the space does not always exist with a predetermined diameter, and the balloon 1 is inflated and injected into the balloon 1. The center portion sheets 11d, 1 other than the welded portions (the left and right side edges 11a, 11a) are formed by the generated air.
1d is merely pressed from the inner space 6 side and overlaps (FIG. 8A).

The openings 5a and 5b located at the centers of the upper surface 2 and the lower surface 3 have outer sheet edges (upper half outer peripheral edges 9a and 9a and lower half outer peripheral edges 10a and 10a) due to expansion of the balloon body 1. Since the sheet is pulled outward and the sheet inner edges (upper half inner peripheral edges 9b, 9b and lower half inner peripheral edges 10b, 10b) are pulled inward into the insertion portion 5, the opening is formed in a substantially V-shaped cross section. (FIGS. 8 and 9).

The openings 5a and 5b having a substantially V-shaped cross section are
Since the pipe 13 has an insertion guiding action, the pipe can be easily inserted.

Accordingly, the pipe 13 is inserted from the lower opening 5b of the pipe insertion portion 5 in a state where the air is blown into the balloon body 1 and inflated.
(11a, 11a, other than 11a) The central part sheets 11d, 11d constituting the insertion portion 5 are simply pressed and overlapped by the air pressure in the balloon body 1, so that they can be easily pushed and spread to insert the pipe. I can do it. In addition, as described above, the central portion sheet 1 is formed by the internal filling air.
Since 1d and 11d are always pressed, the pipe 13 is sufficiently held by the frictional force of the central partial sheets 11d and 11d.

In particular, in the case of the balloon body 1 in which the pipe insertion portion 5 is formed as in the present embodiment, the center portion sheets 11d of the pipe insertion portion 5 are extremely wider than the maximum spread width in which the sheet 11d can be expanded. Even when the small-diameter pipe 13 is inserted, there is a unique advantage that the holding force is sufficient.

Next, a method for manufacturing the balloon 1 will be described. In addition, although this description demonstrates taking the balloon body of the said embodiment as an example, even if it manufactures about the shape other than the balloon body shown in this embodiment, although there is a difference in an upper surface, a lower surface, and a side surface shape, it is basic. Is this way.

The method for manufacturing the balloon of the present invention is as follows. The first to third steps are a step of integrally molding the upper surface 2, the lower surface 3, and the pipe insertion portion 5, and a fourth step is a side surface 4
And the fifth step are the pipe 13 and each balloon 1
And the insertion step with. 1 to 7 show a manufacturing method.

"First step" First, a narrow half-piece 11 for forming a pipe insertion portion is provided over the upper half-piece 9 and the lower half-piece 10, and a soft synthetic resin piece (sheet) 8 having a substantially I-shape in front view is provided. , 8 are formed as a pair (two sheets) (FIG. 1).

In the present embodiment, the upper half piece 9 and the lower half piece 10 are each formed in a semicircular shape and, as will be described later, two pieces of soft synthetic resin pieces of the same shape are overlapped and face each other. When the 10 are spread, the upper surface 2 and the lower surface 3 are formed in a circular shape.

Accordingly, when the upper surface 2 and the lower surface 3 form, for example, a square shape, each half is formed into a rectangular shape obtained by dividing the square shape into two. Even in the case of other upper and lower shapes, the upper half and the lower half are similarly formed into divided shapes.

[Second Step] Next, the two soft synthetic resin pieces 8 formed as described above are overlapped with each other, and a narrow half piece for forming a pipe insertion portion in the overlapped soft synthetic resin pieces 8 is formed. Left and right side edges 11a, 1 between 11, 11
1a is welded to form a pipe insertion portion 5 at the center, and upper end portions 11b of the narrow half-pieces 11, 11 are formed.
b, 11b, 11b and lower end portions 11c, 11c, 11c,
Edges (inner peripheral edges) 9b, 9b, 9 of the upper half pieces 9, 9 and the lower half pieces 10, 10 respectively continuing from 11c.
Weld only b.9b and 10b.10b, 10b.10b (FIG. 2).

[Third Step] Next, the welded edges (inner peripheral edges) 9b 9b, 9b 9b and 10b 10b,
Open the upper halves 9 and 9 and the lower halves 10 and 10 at the 10b and 10b portions, respectively, to obtain a circular upper surface 2 having a desired diameter.
Then, a circular lower surface 3 having the same diameter as the circular upper surface 2 is formed (FIG. 3).

Thus, the circular upper surface 2 and the circular lower surface 3
In this manner, openings 5a and 5b are provided at the center of the upper surface 2 and the center of the lower surface 3, respectively, to form a pipe insertion portion 5 having a narrow width when viewed from the front. Therefore, the pipe insertion part 5
The flat central portion sheets 11d, 11d, which are not formed in a tubular shape and are not welded, simply overlap in the longitudinal direction, and are in a state where the two sheets 11d, 11d are easily separated from each other by pushing open.

FIGS. 6A to 6C are cross-sectional views of desired portions of the soft synthetic resin pieces 8 and 8 shown in FIG. 2 in a welded state.
(A) is a sectional view taken along line II, (b) is a sectional view taken along line II-II, (c).
FIG. 3 is a sectional view taken along line III-III.

[Fourth Step] Next, a soft synthetic resin piece (sheet) 12 is used to form a vertically open short cylindrical shape having substantially the same diameter as the circular upper surface 2 and the circular lower surface 3 formed as described above. A side surface 4 is formed on the upper surface 2 and the upper end edge 12a and the lower end edge 12b of the sheet are covered with the outer peripheral edge of the upper surface 2 (the same location as the outer peripheral edge of the halves 9, 9).
a and the outer peripheral edges of the lower surface 3 (the same locations as the outer peripheral edges of the halves 10, 10) are welded respectively to form the balloon body 1 (FIGS. 4 and 5).

The upper and lower opening shapes of the soft synthetic resin piece 12 for the side surface 4 match the shapes of the upper surface 2 and the lower surface 3, and the upper edge 12 a and the lower edge 12 b have outer peripheral edges 9 a, 9 a, 10 a, respectively.
As long as the structure can be welded to a.10a, the shape, thickness, and the like can be appropriately selected within the scope of the present invention.

The balloon body 1 is filled with air into the internal space 6 through an air injection part (not shown) to expand it into a short cylindrical shape (FIG. 5).

In this embodiment, the required number of balloon bodies 1 formed as described above are formed because three balloon bodies 1 are used for one balloon toy with a pipe.

[Fifth Step] Next, the pipe insertion portions 5, 5 of the three inflatable balloon bodies 1, 1, 1 constructed as described above.
The pipes 13 are inserted into the pipes 5, 5, and the three balloons 1, 1, 1 are connected to one pipe 13 to form a balloon toy A in a skewered dumpling shape (FIGS. 7 and 9).

The balloon toy A is formed in a skewered dumpling shape as shown in the figure. For example, a child raises the holding portion 13b of the pipe 13 or shakes it right and left to play. It is used when playing general games. However, how to play the balloon toy A is not particularly limited.

In this embodiment, the pipe 13 inserts and holds three balloons 1, 1, 1 and the lowest balloon 1 (FIG. 7).
(A lowermost balloon body in a skewered state) to a lower end 13a of the pipe as a hollow long round pipe in which a gripping portion 13b is formed, and is formed of a hard synthetic resin (see FIG. 7). Further, the pipe 13 is not limited to a hard synthetic resin, but may be a soft synthetic resin or an inflatable rod-shaped balloon, or may be an iron pipe or a wooden pipe, and may be an appropriate pipe within the scope of the present invention. Can be used for modification.

The pipe 13 is not particularly limited as long as it has a diameter capable of being inserted into the pipe insertion portion 5 of the balloon body 1. The length, pipe diameter (thickness) and the like can be appropriately selected depending on the size and the like.

In addition, the balloon body 1 formed as described above can be inserted into the pipe insertion portion 5 even if the balloon body 1 is formed as described above, not limited to the round pipe shape. It is not limited because it can be held without slipping.

The left and right side edges 1 of the pipe insertion portion 5 composed of the two narrow halves 11, 11 constituting the balloon body 1.
The fixing means of 1a, 11a, the edge portions 9b, 9b in the upper half 9, 9 and the lower half 10, 10, which respectively continue from the upper and lower ends 11b, 11b, 11c, 11c of the narrow halves 11, 11; The fixing means of 10b and 10b and the fixing means of the upper and lower edges 12a and 12b of the side surface forming sheet 12 and the upper and outer peripheral edges 9a and 9a and the lower and outer peripheral edges 10a and 10a are not limited to the above-mentioned welding, but may be any desired bonding. It is within the scope of the present invention even if the composition is bonded via an agent,
There is no particular limitation as long as it does not easily peel off and has high sealing performance.

Next, a balloon body according to the second aspect and a manufacturing method according to the fourth aspect, which is a method for manufacturing the balloon body, will be described.

The balloon body 1 is basically the same as the balloon body 1 according to claim 1 described above in detail, but according to the present invention, a substantially spherical balloon body 1 can be provided. In particular, in order to provide a ball-shaped balloon toy composed of a dumpling by inserting and holding a plurality of balloons 1 in a skewered manner in the pipe 13, the spherical structure is the shape of the dumpling. It is optimal because it is similar to

It should be noted that the present embodiment is merely a representative one disclosed for specifically describing the present invention, and the present invention is not limited to these at all. Other forms are possible.

The balloon 1 is made of a soft synthetic resin piece (sheet).
The pipe insertion portion 5 and the ring-shaped surface 14 integrally formed with 8, 8 and the soft synthetic resin piece (sheet) 1
The side surfaces 4 and 4 formed by 2 and 12 form a substantially spherical shape.

The balloon 1 is characterized in that it is formed as follows. That is, a soft synthetic resin having a substantially I-shaped front view formed by providing narrow narrow halves 11 for forming a pipe insertion portion over the elongated rectangular upper half 9 and the elongated rectangular lower half 10. Two sheets 8 are superimposed, and the left and right side edges 11a, 11a, 11a, 11a of the narrow halves 11, 11 for forming the pipe insertion portion in the superimposed soft synthetic resin sheets 8, 8 are welded to each other to form a pipe at the center. The upper half part 9, 9 and the lower half part which form the insertion part 5 and which respectively continue from the upper end part 11b, 11b, 11b, 11b and lower end part 11c, 11c, 11c, 11c of this narrow-width-shaped half piece 11, 11 respectively. Edge portions (inner periphery) 9b 9b, 9b 9b and 1 at 10, 10
Weld 0b.10b and 10b.10b (FIGS. 10 and 11).

Next, the upper halves 9, 9 and the lower halves 10, 10 are opened with the upper half halves 9, 9 and the lower half halves 10, 10 fixed to each other. Next, each edge 9c of the opened upper half pieces 9, 9
9c, 9c, 9c and each edge 1 of both lower halves 10, 10
1c and 10c and 10c and 10c are fixed to each other so as to form a ring-shaped surface 14 (FIG. 1).
2).

Next, the soft sheet 1 for forming the side surface
2 and 12 are connected to the ring-shaped surface 14.
Are fixed to the outer peripheral edges 9a, 9a and 10a, 10a, respectively, to form a substantially spherical balloon body 1.

Therefore, the configuration shown in this embodiment is also
The pipe insertion portion 5 is provided at the axis of the balloon body 1 as described above, with the upper and lower surfaces of the balloon body 1 facing the upper and lower openings 5a and 5b. 1 is configured so that the air in 1 does not escape from the pipe insertion portion 5. Further, the pipe insertion portion 5 only needs to be configured to have an opening on both the upper and lower sides or any one of the balloon body 1.

Since the pipe insertion portion 5 is not formed in a cylindrical shape as in the first embodiment, the space portion does not always have a predetermined diameter, and the balloon 1 is inflated. In this state, the welded portions (left and right side edges 11a, 11a) are welded by air injected into the balloon body 1.
The other central partial sheets 11d, 11d are merely pressed from the inner space 6 side and overlap (see FIG. 8A).

The balloon body 1 is not limited to the one made of the soft synthetic resin pieces (sheets) disclosed in the present embodiment as long as the balloon body 1 is made of a soft sheet. And the like, and the thickness thereof is not particularly limited.

The overall shape of the balloon 1 may be a spherical structure having a substantially spherical external appearance, a pipe insertion portion 5, and inflatable by injecting air into an internal space (air injection space) 6. The present invention is not limited to the illustrated shape at all, and can be adopted within the scope of the present invention.

Further, by adding colors, patterns, characters, and the like to the outer surface 7 of the balloon, and by adding a bell or a liquid into the inner space 6 of the balloon 1 at a molding stage, the added value of the product as a balloon toy can be increased. It is also within the scope of the present invention.

Therefore, the pipe 13 is inserted from the lower opening 5b of the pipe insertion portion 5 in a state where the air is blown into the balloon body 1 and inflated.
(11a, 11a, other than 11a) The central part sheets 11d, 11d constituting the insertion portion 5 are simply pressed and overlapped by the air pressure in the balloon body 1, so that they can be easily pushed and spread to insert the pipe. I can do it. In addition, as described above, the central portion sheet 1 is formed by the internal filling air.
Since 1d and 11d are always pressed, the pipe 13 is sufficiently held by the frictional force of the central partial sheets 11d and 11d.

In particular, in the case of the balloon body 1 having the pipe insertion portion 5 as in the present embodiment, the width of the central portion sheet 11d of the pipe insertion portion 5 is extremely larger than the maximum spread width by which the sheet can be expanded. Even when the small-diameter pipe 13 is inserted, there is a unique advantage that the holding force is sufficient.

Also, in the balloon body 1 of the present invention, the upper and lower openings 5a, 5b have their outer edges (upper half outer peripheral edges 9a, 9a and lower half outer peripheral edges 9a, 9a) due to the expansion of the balloon body 1. 10a, 10a) are pulled outward,
Since the sheet inner edges (upper half inner peripheral edges 9b, 9b and lower half inner peripheral edges 10b, 10b) are pulled inward into the insertion portion 5, they are opened in a substantially V-shaped cross section (FIG. 8). (FIG. 9).

The openings 5a and 5b having a substantially V-shaped cross section are
Since the pipe 13 has an insertion guiding action, the pipe can be easily inserted.

Next, a method for manufacturing the balloon 1 of the present invention will be described.

The method for manufacturing the balloon of the present invention is as follows. The first to third steps are steps of integrally forming the pipe insertion portion 5 and the ring-shaped surface 14, the fourth step is a step of forming the side surfaces 4 and 4, and the fifth step is a step of forming the pipe 13 and each balloon 1 ... 3 shows an insertion step.

[First Step] First, a narrow half-piece for forming a pipe insertion portion extends over an upper half-piece 9 having a long rectangular shape and a lower half-piece 10 having the same long rectangular shape as the half-piece 9. 11, a pair (two) of soft synthetic resin pieces (sheets) 8, 8 having a substantially I-shaped front view are formed (FIG. 10).

In the present embodiment, the upper half piece 9 and the lower half piece 10 are each formed in an elongated rectangular shape, and each of the half pieces 9 facing each other is formed by laminating two soft synthetic resin pieces 8 having the same shape as described later. The ring-shaped surface 14 having a desired diameter is formed when the ends 9, 10, and 10 are spread and the edges are welded together.

[Second Step] Next, the two soft synthetic resin pieces 8 formed as described above are overlapped with each other, and a narrow half-piece for forming a pipe insertion portion in the overlapped soft synthetic resin pieces 8 is formed. Left and right side edges 11a, 1 between 11, 11
1a is welded to form a pipe insertion portion 5 at the center, and upper end portions 11b of the narrow half-pieces 11, 11 are formed.
b, 11b, 11b and lower end portions 11c, 11c, 11c,
Edges (inner peripheral edges) 9b, 9b, 9 of the upper half pieces 9, 9 and the lower half pieces 10, 10 respectively continuing from 11c.
Only the portions b.9b and 10b.10b, 10b.10b are welded (FIG. 11).

[Third Step] Next, the welded edges (inner peripheral edges) 9b 9b, 9b 9b and 10b 10b,
The upper halves 9 and 9 and the lower halves 10 and 10 are opened substantially horizontally with the 10b and 10b portions as boundaries, and the edges 9c and 9c and 9c and 9c of the upper halves 9 and 9 and the lower side. Half one
The edges 10c, 10c, 10c, 10c of the reference numerals 0, 10 are respectively butted and welded. Thereby, the ring-shaped surface 1 having a desired diameter is formed by the upper half pieces 9 and 9 and the lower half pieces 10 and 10.
4 are formed, and a pipe insertion portion 5 having a narrow width in a front view is formed over the ring-shaped surface 14 by providing openings 5a and 5b and communicating therewith (FIG. 12).

The pipe insertion portion 5 is not formed in a tubular shape, and is a flat central portion sheet 11d which is not welded.
11d simply overlap in the longitudinal direction, and the two sheets 11d, 11d can be easily separated by pushing open (FIGS. 11, 12, and 13).

Further, the soft synthetic resin pieces 8, 8 shown in FIG.
The cross section of the desired portion in the welded state is substantially the same as that of FIGS. 6A to 6C in the above-described embodiment of the first aspect. (A) is a sectional view taken along the line II, (b) is a sectional view taken along the line II-II,
(C) is a sectional view taken along line III-III.

[Fourth Step] Next, the outer peripheral edges 9a and 10 of the ring-shaped surface 14 having both sides open and formed as described above.
a and 9a and 10a are soft synthetic resin pieces 12, 1 for forming side surfaces having the same diameter as the diameter of the ring-shaped surface 14.
The two peripheral edges 12c, 12c are welded to form the side surfaces 4, 4, respectively, and the substantially spherical balloon body 1 is formed (FIG. 1).
2. Fig. 13).

After the soft synthetic resin pieces 12 for the side surface 4 are welded and integrated, the peripheral edges 9a, 10
(a) The shape, thickness, material, etc., can be appropriately selected within the scope of the present invention as long as it can adhere to the entire circumference and form a sealed internal space 6.

Accordingly, the balloon 1 expands into a substantially spherical shape when the internal space 6 is filled with air via the air injection portion 15 (FIG. 13).

[Fifth Step] Next, three inflatable balloons 1 constructed as described above are prepared, and a pipe 13 is inserted into each of the pipe insertion portions 5, 5, and 5.
The balloon toys A are formed in a skewered dumpling shape in the same manner as in the embodiment of the balloon body of the first aspect (FIGS. 7 and 9).

The balloon toy A, which is formed in a skewered dumpling shape as shown in the figure, is played, for example, by a child raising the holding portion 13b of the pipe 13 or swinging it left and right. It is used when playing general games. However, how to play the balloon toy A is not particularly limited.

In this embodiment, the pipe 13 inserts and holds three balloons 1, 1, 1 and holds the lowermost balloon 1 (FIG. 7).
(A lowermost balloon body in a skewered state) to a lower end 13a of the pipe as a hollow long round pipe in which a gripping portion 13b is formed, and is formed of a hard synthetic resin (see FIG. 7). Further, the pipe 13 is not limited to a hard synthetic resin, but may be a soft synthetic resin or an inflatable rod-shaped balloon, or may be an iron pipe or a wooden pipe, and may be an appropriate pipe within the scope of the present invention. Can be used for modification.

The pipe 13 is not particularly limited as long as it has a diameter capable of being inserted into the pipe insertion portion 5 of the balloon 1, and the number of the balloons 1 and the number of the pipe insertion portion 5 are not limited. The length, pipe diameter (thickness) and the like can be appropriately selected depending on the size and the like.

Further, the balloon 1 formed as described above can be inserted into the pipe insertion portion 5 even if it is formed not only in a round pipe but also in a square pipe. It is not limited because it can be held without slipping.

The left and right side edges 1 of the pipe insertion portion 5 comprising the two narrow halves 11, 11 constituting the balloon body 1.
The fixing means of 1a, 11a, the edge portions 9b, 9b in the upper half 9, 9 and the lower half 10, 10, which respectively continue from the upper and lower ends 11b, 11b, 11c, 11c of the narrow halves 11, 11; The fixing means of 10b and 10b and the fixing means of the upper and lower edges 12a and 12b of the side surface forming sheet 12 and the upper and outer peripheral edges 9a and 9a and the lower and outer peripheral edges 10a and 10a are not limited to the above-mentioned welding, but may be any desired bonding. It is within the scope of the present invention even if the composition is bonded via an agent,
There is no particular limitation as long as it does not easily peel off and has high sealing performance.

Next, another usage of the balloon 1 will be described. FIGS. 14 and 15 show a specific embodiment of the balloon 1 used for a display.

The balloon body 1 disclosed in FIG. 14 is prepared for the face with ears E and eyes, and the body for the body with hands H, etc., and the pipe 13 is erected from the floor. To form a large balloon doll B for display (see FIG. 1).
4, FIG. 15). In the figure, m indicates a human.

The basic structure of the balloon body 1 in this use mode is the same as that of the above-described embodiment of the balloon body 1 according to claim 1 even if the shape and size are different, and the same manufacturing method is used. Since they are manufactured, the same portions are denoted by the same reference numerals and description thereof will be omitted.

It is needless to say that the embodiment of the balloon body 1 (spherical body) described in claim 2 described above can be used.

Although not particularly limited, the face balloon 1 shown in the present embodiment has the narrow width half pieces 11, 11 when the inner peripheral edges 9 b, 9 b of the upper half pieces 9, 9 are welded. The upper edge portion was also welded at the same time, and the upper opening of the pipe insertion portion 5 was not formed on the upper surface 2 side (see the face balloon 1 in FIG. 14). Needless to say, the balloon 1 for the fuselage
In this case, since it is necessary to penetrate the pipe 13, the upper opening 5a of the pipe insertion portion 5 is formed (see the balloon 1 for the fuselage in FIG. 14).

FIG. 15 shows an embodiment in which a large ship C for a display comprising a balloon 1 formed in a substantially hull shape is inserted and held in a pipe 13 suspended from the ceiling and suspended. Show. Although this embodiment also has a different shape and size, the basic manufacturing method is the same, and thus the description thereof is omitted.

The pipe is not particularly limited.
Desired diameter / desired length. A desired material is applied.

The illustrated form is merely an embodiment, and the shape, material, and size of the balloon body 1 can be arbitrarily set and changed according to the use of the display. Can be set arbitrarily and can be freely selected within the scope of the present invention.

Next, another mode of use shown in FIG. 16 will be described. This use mode is a display tree D composed of thin pipes 13 forming trunks and branches of vegetation and balloons 1 forming flowers, fruits, and leaves inserted and held in the pipes 13, respectively. Is exemplified. That is, the balloon body 1 is formed in a small size, and an extremely fine pipe 13 such as a wire is
It is inserted into the pipe insertion portion 5 of the small balloon 1.

The basic structure of the balloon body 1 in this use mode is the same as that of the above-described embodiment of the balloon body 1 according to claim 1 even if the shape and size are different, and the same manufacturing method is used. Since it is manufactured, its description is omitted.

Further, it is needless to say that the embodiment of the balloon body 1 (spherical body) according to claim 2 described above can be used.

The pipe 13 is not particularly limited, and has a desired diameter and a desired length. A desired material is applied.

Note that the illustrated form is merely an embodiment, and the shapes, materials, and sizes of the balloon 1 and the pipe 13 can be arbitrarily set and changed according to the use of the display, and the scope of the present invention. Is freely selected within.

[0100]

The present invention is constructed as described above, so that the ease of assembly is improved and the holding of the balloon body to the pipe is excellent, but the pipe insertion which can be easily inserted and removed from the pipe is achieved. A balloon body having a portion and a method for manufacturing the balloon body can be provided.

That is, it has a simple structure, is extremely easy to assemble, is easy to manufacture, has a small number of parts, and separately manufactures and centers the tubular body for pipe insertion, the upper sheet, and the lower sheet.・ Compared to welding assembly
There is no hassle in production and management. In particular, in the case of a balloon body in which the pipe insertion portion is formed to be small, the manufacturing work labor has been improved so as to be incomparable as compared with a conventional balloon body of this type.

According to the present invention, even if the pipe insertion portion is formed large, if the balloon is inflated by blowing air,
The plug is pressed by the internal air pressure, and the pipe inserted and inserted into the plug can be securely held. Also, since the pipe insertion portion is not formed in a tubular body having the same diameter as the pipe diameter,
It is easy even when removing.

In particular, in the case of a balloon toy formed by inserting a plurality of balloon bodies into a pipe and forming a skewered dumpling, the balloon body is easily held without slipping down when the pipe is inserted, and the The balloon body to be inserted and held can be easily inserted and removed, so that this type of balloon toy is of sufficient interest to children.

[Brief description of the drawings]

FIG. 1 is a plan view showing a pair of soft synthetic resin sheets formed in a desired shape as a part for forming a balloon body in the balloon body of claim 1.

FIG. 2 is a perspective view showing a state where a desired portion is welded by overlapping.

FIG. 3 is a perspective view in which a top half and a bottom half are opened to form top and bottom surfaces.

FIG. 4 is a perspective view of a state in which a side sheet is covered from above.

FIG. 5 is an overall perspective view of the balloon body according to claim 1;

FIGS. 6A and 6B are cross-sectional views of FIG. 2; FIG. 6A is a cross-sectional view taken along line II of FIG. 2; FIG. 6B is a cross-sectional view taken along line II-II of FIG.
FIG. 3 is a sectional view taken along line II-III.

FIG. 7 is a perspective view showing a first embodiment in which a balloon toy is formed by inserting pipes into a plurality of balloon bodies and holding them in a skewered dumpling shape.

8 (a) is a cross-sectional view taken along the line IV-IV of FIG. 5, and FIG. 8 (b) is a cross-sectional view taken along the line IV-IV of FIG. 5, showing a state where a pipe is inserted into the balloon body in the expanded state. Show.

9 is a cross-sectional view taken along line VV in FIG. 5, showing a pipe insertion state by a virtual line.

FIG. 10 is a plan view showing a pair of soft synthetic resin sheets formed in a desired shape as a part for forming a balloon body in the balloon body of claim 2;

FIG. 11 is a perspective view showing a state where a desired portion is welded by being overlapped.

FIG. 12 is an exploded perspective view showing a state where a side surface is welded to a ring-shaped surface.

FIG. 13 is an overall perspective view of the balloon body according to claim 2;

FIG. 14 is a perspective view showing another usage pattern of the balloon body.

FIG. 15 is a schematic diagram showing a display state.

FIG. 16 is a diagram showing another usage pattern of the balloon body.

[Explanation of symbols]

A: Balloon toy B: Large balloon doll for display C: Large boat for display D: Tree for display 1: Balloon 2: Upper surface 3: Lower surface 4: Side surface 5: Pipe insertion portion 5a, 5b: Opening 8: Soft synthetic resin Piece 9: Upper half piece 9a: Outer edge 9b: Inner edge (edge) 10: Lower half 10a: Outer edge 10b: Inner edge (edge) 11: Narrow half piece 11a: Side for forming pipe insertion part Edge 11b: Upper end 11c: Lower end 11d: Center sheet 12: Soft synthetic resin piece for side surface 12a: Upper end 12b: Lower end 13: Pipe

Claims (4)

(57) [Claims] 1. A soft sheet having a substantially I-shape in front view formed by providing a narrow half-piece for forming a pipe insertion portion over an upper half and a lower half. The left and right edges of the narrow halves for forming the pipe insertion portion are fixed together, and the end portions of the upper half and the lower half continuous from the upper and lower ends of the narrow halves are fixed to the center. An upper surface formed by opening the upper halves and the lower halves with a pipe insertion portion formed by opening the upper and lower ends or one end thereof, and a boundary between the upper halves and the fixed portion of the lower halves. And a lower surface, and a side surface formed by fixing a peripheral edge of a soft sheet for forming a side surface to a peripheral edge of the upper surface and a peripheral edge of the lower surface, respectively. Hull. 2. A soft sheet having a substantially I-shape in front view formed by providing a narrow half-piece for forming a pipe insertion portion over an upper half and a lower half. The left and right edges of the narrow halves for forming the pipe insertion portion are fixed together, and the end portions of the upper half and the lower half continuous from the upper and lower ends of the narrow halves are fixed to the center. A pipe insertion portion formed by opening the upper and lower ends or one end, and at the boundary between the upper halves and the fixed portion of the lower halves, while opening the upper halves and the lower halves,
A ring-shaped surface formed by fixing opposing edges of each of the opened upper half halves and each of the edges of both lower half halves, and a side surface on each peripheral edge of the ring-shaped surface A balloon body having a pipe insertion portion, wherein the balloon body is constituted by a side surface formed by fixing peripheral edges of a soft sheet for forming. 3. A method for manufacturing a balloon body provided with a pipe insertion portion having openings on both upper and lower sides or any one of the above, wherein a narrow half-piece for forming a pipe insertion portion extends over an upper half and a lower half. Two sheets of the substantially flat I-shaped soft flat sheet provided in a front view are provided, and then the two soft flat sheets are overlapped, and the narrow half-pieces for forming the pipe insertion portion in the overlapped soft flat sheets are formed. The left and right side edges are fixed, and the end portions of the upper half and the lower half continuous from the upper and lower ends of the narrow half are fixed to form a pipe insertion portion having upper and lower ends or one end opened at the center. Then, the upper half and the lower half are opened at the boundary between the upper half and the lower half, respectively, to form the upper and lower surfaces of a desired shape, respectively. The method for manufacturing a balloon body having a pipe insertion portion according to claim 1, wherein upper and lower edges of a soft sheet for forming a side surface are fixed to the outer peripheral edge of the upper surface and the outer peripheral edge of the lower surface, respectively. 4. A method of manufacturing a balloon body provided with a pipe insertion portion having openings on both upper and lower sides or any one of the above, wherein a narrow half piece for forming a pipe insertion portion extends over an upper half and a lower half. Two sheets of the substantially flat I-shaped soft flat sheet provided in a front view are provided, and then the two soft flat sheets are overlapped, and the narrow half-pieces for forming the pipe insertion portion in the overlapped soft flat sheets are formed. The left and right side edges are fixed, and the end portions of the upper half and the lower half continuous from the upper and lower ends of the narrow half are fixed to form a pipe insertion portion having upper and lower ends or one end opened at the center. Next, the upper halves and the lower halves are opened at the fixed portions of the upper halves and the lower halves, respectively, and then each edge of the opened upper halves and both lower halves are opened. Side half The respective opposite edges of each edge of the piece are fixed to each other to form a ring-shaped surface, and then the respective edges of the soft sheet for forming side surfaces are respectively fixed to the respective edges of the ring-shaped surface. The method for manufacturing a balloon body having a pipe insertion portion according to claim 2.