JP2775605B2 - Town forming method and storage bag made using this forming method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for forming a town and a storage bag made by the method. Especially,
The present invention relates to a method for forming a town in which a town can be easily formed, and a storage bag made by the method.

[0002]

2. Description of the Related Art FIG. 9 is a partially transparent perspective view of a conventional storage bag provided with a town.

[0003] In the figure, reference numeral 10 denotes a storage bag, and towns 11 and 11 are provided on side portions. On the bottom 12
Triangle sewing part 12 for forming the towns 11
a, 12a are provided. Such a town 11,1
The bag 10 provided with 1 is prepared in the following procedure.

(I) First, as shown in FIG.
A cloth 13 cut into a rectangle is prepared.

(Ii) Thereafter, as shown in FIG. 10 (b), the cloth 13 is folded in half, and the side edges 13a, 13a of the cloth 13 are folded.
3a is sewn.

(Iii) Next, as shown in FIG. 10 (c), the left and right lower end portions 14, 14 of the bag 10 are bent sideways in a triangular shape by a desired amount to protrude, and the bending line X1, Sewing along X1. By this, town 11,
Sewing portions 12a, 12a for forming 11 are formed.

(Iv) After that, the bag 10 is turned upside down so that the sewn portions 12a are located inside the bag 10.

As a result, as shown in FIG.
A bag 10 with 1 and 11 is created.

[0009]

The above-mentioned conventional storage bag having a gusset has the following problems.

The towns 11, 11 are lower right and left lower ends 14, 1 of the bag.
4 is bent in a right and left direction into a triangular shape to protrude, and is sewn separately on the left and right along the bending lines X1 and X1, thereby forming triangular sewn portions 12a and 12a. Therefore, there is a problem that sewing is difficult and difficult to make.

The bag is made of a cloth 13 cut into a rectangular shape.
Can be formed by folding the halves in half and sewing the side edges 13a, 13a thereof. However, in order to provide the gussets 11, 11, the lower left and right ends 14, 14 of the sack are further provided. The work had to be carried out by bending it sideways into a triangular shape and sewing. For this reason, there was a problem that the town had to be formed by a sewing process different from the sewing process of forming the bag, which was complicated.

The present invention solves the above problems, and a first object of the present invention is to provide a method for forming a town in which the town can be easily created.

A second object of the present invention is to provide a storage bag capable of forming a town at the same time in a sewing step of forming a bag freely.

[0014]

According to a first aspect of the present invention, there is provided a method for forming a town, comprising: a first base portion and one end of the first base portion; A second base folded on the first base, wherein a bent portion of the first base and the second base is formed on the first base or the second base by a half as much as desired in a town. By sewn the side edges of the folded first base, the second base, and the bent portion, and turning the edge sewn over. It is characterized by forming a town.

According to another aspect of the present invention, there is provided a semiconductor device comprising:
The storage bag according to the first aspect is provided with a first base and a second base provided continuously to one end of the first base and folded on the first base.
And a folded part of the first base and the second base is folded on either the first base or the second base by half of a desired portion of the town. The bag is formed by sewn the side edges of the folded first base, the second base, and the bent portion, and the bag is turned upside down. It is characterized by the following.

According to a third aspect of the present invention, there is provided a storage bag comprising: a first base;
A second base which is provided continuously to one end of the first base and is folded on the first base, and wherein the first base and the second base are sewn to each other; Part and a bent part of the first base and the second base are folded on the first base or the second base by half of a desired portion of the town, and the folded first base is folded on the first base or the second base. A base portion, the second base portion, a sewn portion between the end portions, and a sewn portion on one side edge of the bent portion to form a bag body,
It is characterized by being created by turning over the bag body.

According to a fourth aspect of the present invention, there is provided a storage bag comprising: a first base;
An end of the second base includes a second base continuously provided at one end of the first base, and a third base continuously provided at the other end of the first base. By sewing the end and the end of the third base to form an endless body and flattening it, the second base and the third base are folded on the first base, A folded portion of the first base portion and the second base portion is folded on one of the first base portion and the second base portion by half of a desired portion of the town,
A folded portion of the first base and the third base is folded on either the first base or the third base by a half as much as desired in the town, and these folded first bases are folded. , A second base, a third base, and one side edge of the two bent portions are formed by sewn one side edge, and the bag is formed by turning over the front and back of the bag. It is characterized by being performed.

According to a fifth aspect of the present invention, there is provided a storage bag comprising: a first base;
A second base provided continuously at one end of the first base and folded on the first base; and a second base provided continuously at the other end of the first base and provided on the first base. Third folded
And a folded portion between the first base and the second base, which is folded on the first base or the second base on a half of a desired area, A folded portion of the first base and the third base is folded on either the first base or the third base by a half as much as desired in the town, and these folded first bases are folded. , A second base, a third base, and the two bent portions are formed by sewn the side edges of both sides to form a bag, and the bag is turned upside down. It is characterized by that.

[0019]

According to the method for forming a town according to the first aspect,
After the side edges of the first base portion, the second base portion, and the bent portion are sewn, and the sewn portion is turned over, the bent portion is formed on the first base or the second base. Is folded between the first base and the second base. In this state, when the distance between the first base and the second base is increased, both ends of the bent portion that has been folded between the first base and the second base are spread in a triangular shape. Forms a town.

As described above, according to the town forming method of the first aspect, unlike the conventional town forming method, a troublesome step of bending the lower end portion of the bag into a triangular shape and sewing it one by one is not performed. , The folded portion of the first base and the second base is folded on either the first base or the second base by half of the desired area, and these side edges are sewn. The town can be formed only by turning over the edge stitching portion.

Further, by folding the bent portion on either the first base portion or the second base portion by half of the desired portion of the town, the town is formed, so that the bent portion is formed. By changing the amount of folding, the size of the town can be easily changed.

The storage bag according to the second aspect can be prepared by the following procedure.

(I) First, the second base is folded on the first base.

(Ii) After that, the bent portion of the first base and the second base is folded on either the first base or the second base by half of the desired area.

(Iii) Thereafter, both side edges of the first base portion, the second base portion, and the bent portion thus folded are sewn. Thereby, a bag is created.

(Iv) Next, the bag thus formed is turned upside down. Then, the bent portion is placed between the first base and the second base in a state where the bent portion is folded into one of the first base and the second base in the bag body. It will be in a folded state.

(V) Thereafter, when the bag is expanded, both end portions of the folded portion folded between the first base portion and the second base portion are spread in a triangular shape. Is formed.

As described above, according to the storage bag of the first aspect, it is not necessary to separately sew the bag itself and the sewing for forming the town unlike the conventional case, and sew the bag itself. At the same time, a bent portion for forming the town is sewn at the same time, so that the effect that the town is easily formed and easily formed can be obtained.

Also, by folding the bent portion on either the first base portion or the second base portion by half of the desired portion of the town, the town is formed. By changing the amount of folding, the size of the town can be easily changed.

The storage bag according to the third aspect can be prepared by the following procedure.

(I) First, the second base is folded on the first base, and the ends of the first base and the second base are sewn to each other.

(Iii) Thereafter, the sewn portion where the ends are sewn and the bent portion of the first base portion and the second base portion are formed on the first base portion or the first base portion by half as much as desired. 2
Fold over the base of.

(Iv) Thereafter, one side edge of the first base portion, the second base portion, the sewn portion and the bent portion thus folded is sewn. Thereby, a bag is created.

(V) Next, the bag is turned upside down. Then, the sewn portion and the bent portion are moved from the state of being folded on the first base or the second base to the state of being inserted into the bag body and between the first base and the second base. It will be in a folded state.

(Vi) Then, the bag is spread. Then, one side end portion of the sewn portion and the folded portion that have been folded between the first base portion and the second base portion expands in a triangular shape, whereby a town is formed in the bag body.

As described above, according to the storage bag of the third aspect, it is not necessary to separately sew the bag itself and the sewing for forming the town, unlike the related art, and the bag itself can be removed. At the time of sewing, the part for forming the town is sewn at the same time, so that the effect that the formation of the town is simple and easy to produce is obtained.

Further, the town is formed by folding the sewn portion and the bent portion on the first base portion or the second base portion by half of the desired portion of the town. By changing the amount of folding between the bent portion and the bent portion, there is also obtained an advantage that the size of the town can be easily changed.

The storage bag according to the fourth aspect can be prepared by the following procedure.

(I) First, the end of the second base and the end of the third base are sewn to form an endless body.

(Ii) After that, by flattening the endless body, the second base and the third base are folded on the first base.

(Iii) Next, the folded portion between the first base portion and the second base portion is folded on the first base portion or the second base portion by half of a desired portion of the town and the first base portion is folded. The folded portion between the base and the third base is folded on the first base or the third base by half of the desired area.

(Iv) After that, the first base, the second base, the third base, and the
One side edge with one bent portion is sewn. This allows
A bag is created.

(V) Next, the bag is turned upside down. Then, the folded portion, which has been folded on the first base or the second base, is placed in the bag,
It is in a state of being folded between the first base and the second base. In addition, the folded portion that has been folded on the first base portion or the third base portion is in a state of being folded between the first base portion and the third base portion in a state that the folded portion is in the bag body. become.

(Vi) Thereafter, the bag is spread. Then, one side end of the bent part spreads in a triangular shape,
A town is formed in the bag.

As described above, according to the storage bag of the fourth aspect, it is not necessary to separately sew the bag itself and the sewing for forming the town, unlike the related art, and to remove the bag itself. At the time of sewing, the two bent portions for forming the town are sewn at the same time, so that the effect of forming the town is simple and easy to make.

In addition, by folding the folded portion by half of the desired portion of the town onto the first base portion or the like, a town is formed. Therefore, the amount of folding of the two folded portions is changed. Thereby, the advantage that the size of the town can be easily changed is also obtained.

The storage bag according to the fifth aspect can be prepared by the following procedure.

(I) First, the second base and the third base are folded on the first base.

(Ii) After that, the bent portion between the first base and the second base is folded on the first base or the second base by half of the desired area of the town, and the first base is folded. Fold the half of the folded portion between the first base and the third base on the first base or the third base.

(Iii) Thereafter, both side edges of the first base, the second base, the third base, and the two bent portions thus folded are sewn. Thereby, a bag is created.

(Iv) Next, the bag is turned upside down. Then, the folded portion, which has been folded on the first base or the second base, is placed in the bag,
It is in a state of being folded between the first base and the second base. In addition, the folded portion that has been folded on the first base portion or the third base portion is in a state of being folded between the first base portion and the third base portion in a state that the folded portion is in the bag body. become.

(V) Then, the bag is spread. Then, both end portions of the bent portion spread in a triangular shape, thereby forming a town in the bag body.

As described above, according to the storage bag of the fifth aspect, it is not necessary to separately sew the bag itself and the sewing for forming the town, unlike the related art, and to remove the bag itself. At the time of sewing, the two bent portions for forming the town are sewn at the same time, so that the effect of forming the town is simple and easy to make.

Also, by folding the bent portion over the first base portion by half of the desired portion of the town, the town is formed. Therefore, by changing the amount of folding of the bent portion, Another advantage is that the size of the town can be easily changed.

[0055]

Embodiments of the present invention will be described below with reference to the drawings.

<First Embodiment> FIG. 1 is a partially transparent perspective view showing a first embodiment of a storage bag prepared by using the method for forming a town according to the present invention, and FIG. 2 (a). (G) is explanatory drawing which showed the procedure at the time of producing a storage bag. In addition,
FIG. 2E is an end view of ee in FIG.
(G) is a gg end view in FIG.2 (f).

In FIG. 1, reference numeral 1 denotes a storage bag, and two or more towns 2 are formed on both sides 1a. 1b, 1
b is a triangular portion for forming the towns 2 and 2, and is provided below the both sides 1a and 1a. The storage bag 1 provided with such towns 2 and 2 is created by the following procedure.

(I) First, as shown in FIG. 2A, a cloth 3 cut into a rectangle is prepared. In the figure, 3a
Denotes a first base, and 3b denotes a second base provided continuously to one end of the first base 3a.

(Ii) Next, as shown in FIG. 2B, the second base 3b is folded on the first base 3a.

(Iii) Then, as shown in FIGS. 2 (b) and 2 (c), the bent portion 4 of the first base 3a and the second base 3b is divided by half the length L desired by the town. 2. Fold it over the base 3b.

(Iv) Thereafter, both side edges 3c, 3c of the first base 3a, the second base 3b, and the bent portion 4 thus folded are shown in FIG. 2D. In such a manner, the sewn is performed by applying the bias tape 5. This allows
As shown in FIGS. 2D and 2E, a bag is formed in which the bent portion 4 is folded on the second base 3b.

(V) Next, the bag is turned upside down. Then, as shown in FIGS. 2 (f) and 2 (g), the bent portion 4 is placed in the bag body and the first base portion 3a and the second
And the base 3b is folded.

(Vi) Thereafter, the bag is spread. Then, the folded portion 4 that has been folded between the first base 3a and the second base 3b expands. In this case, as shown in FIG. 2D, the side edges 4a, 4a of the bent portion 4 are sewn to the side edges 3c, 3c of the first base 3a and the second base 3b. Therefore, when the bag body spreads, the portions 4b, 4b near the both side edges of the bent portion 4 become the top portion 4 as shown in FIG.
Triangular portions 1b and 1b for forming the towns 2 and 2 are formed in a triangular shape with c and 4c as vertices. Thereby, the towns 2 and 2 are formed on the side portions of the bag body.

As described above, according to the storage bag of the present embodiment, it is not necessary to separately sew the bag itself and the sew for forming the town as in the prior art.
As shown in (d), when the bag itself is sewn, the bent portions 4 for forming the towns 2 and 2 are sewn at the same time, so that the formation of the towns 2 and 2 is simple. The effect of easy creation is obtained.

By folding the bent portion 4 on the second base 3b by half of the desired length L on the second base portion 3b, the towns 2 and 2 are formed. By changing the size, there is also obtained an advantage that the sizes of the towns 2 and 2 can be easily changed.

In the first embodiment, the folded portion 4 is folded on the second base 3b to form a bag, but the folded portion 4 is folded on the first base 3a to form a bag. A body may be formed.

<Second Embodiment> FIG. 3 is a partially transparent perspective view showing a second embodiment of a storage bag prepared by using the town forming method according to the present invention, and FIG. 4 (a). (G) is explanatory drawing which showed the procedure at the time of producing a storage bag. In addition,
FIG. 4E is an end view taken along the line ee in FIG.
(G) is a gg end view in FIG.4 (f).

The difference between the storage bag of the present embodiment and the storage bag of the first embodiment is that triangular portions 22, 22 for forming the towns 20a, 20a are provided at the bottom 21 of the bag body. There is in the point.

The storage bag 20 provided with such towns 20a, 20a is prepared in the following procedure.

(I) First, as shown in FIG. 4A, a cloth 23 cut into a rectangular shape is prepared.

In the figure, reference numeral 23a denotes a first base, 23
Reference numeral b denotes a second base provided continuously to one end of the first base 23a.

(Ii) Next, as shown in FIG. 4B, the second base 23b is folded on the first base 23a. Then, both ends 2 of the first base 23a and the second base 23b
3c and 23c are sewn by applying a bias tape 23d.

(Iii) Thereafter, as shown in FIGS. 4 (b) and 4 (c), a sewn portion 24 sewn by applying the bias tape 23d, a first base portion 23a and a second base portion 2 are formed.
The folded portion 25 with the portion 3b is folded on the second base portion 23b by half the desired length L of the town.

(Iv) Then, one side edge 26 of the first base portion 23a, the second base portion 23b, the sewn portion 24 and the bent portion 25 folded in this way is shown in FIG. d)
As shown in FIG. Thereby, as shown in FIGS. 4D and 4E,
On the second base portion 23b, a bag body in which the sewing portion 24 and the bent portion 25 are folded is created.

(V) Next, the bag is turned upside down. Then, the sewing portion 24 and the bent portion 25 are connected to each other as shown in FIG.
As shown in (f) and (g), while in the bag,
The state is folded between the first base 23a and the second base 23b.

(Vi) Thereafter, the bag is spread. Then, the sewn portion 24 and the bent portion 25 that have been folded between the first base portion 23a and the second base portion 23b expand. In this case, as shown in FIG. 4D, one side edge 24a of the sewing portion 24 and one side edge 25a of the bent portion 25 are connected to each other by the first base portion 23a and the second base portion 23b. Since the side edge portion 26 is sewn to the side edge portion 26, when the bag body is spread, the portion 24b near one side edge portion of the sewn portion 24 and the portion 25b near one side edge portion of the bent portion 25 are shown in FIG. As shown in the figure, triangular portions 22, 22 for forming the towns 20a, 20a are formed at the bottom of the bag body in a triangular shape. Thereby, the towns 20a and 20a are created on the side of the bag.

As described above, according to the storage bag of the present embodiment, it is not necessary to sew the bag itself and the sewing for forming the town separately as in the conventional case, and the bag itself can be removed. At the time of sewing, the sewn portion 24 and the bent portion 25 for forming the towns 20a, 20a are sewn at the same time, so that the effect of forming the towns 20a, 20a easily and easily is obtained. Can be

The sewing part 24 and the bent part 25 are
By folding each half of the desired length L on the second base portion 23b, the towns 20a and 20a are formed. By changing the amount of folding between the sewing portion 24 and the bent portion 25, Another advantage is that the size of the town can be easily changed.

In the second embodiment, the bag portion is formed by folding the sewn portion 24 and the bent portion 25 on the second base portion 23b. However, the bag portion is folded on the first base portion 23a. May be formed. Alternatively, one of the sewn portion 24 and the bent portion 25 may be folded on the first base 23a and the other may be folded on the second base 23b to form a bag.

<Third Embodiment> FIG. 5 is a partially transparent perspective view showing a third embodiment of a storage bag formed by using the town forming method according to the present invention, and FIG. 6 (a). (G) is explanatory drawing which showed the procedure at the time of producing a storage bag. In addition,
FIG. 6E is an ee end view in FIG.
(G) is a gg end view in FIG.6 (f).

The difference between the storage bag of the present embodiment and the storage bag of the second embodiment is that the end portion (32
d, 32e) is that the sewn portion 33 is arranged on the front side of the bag.

In FIG. 5, reference numeral 30 denotes a storage bag;
And 30a, 30a formed on the side of the storage bag 30.
It is a triangular portion for forming the towns 31,31.

The storage bag 30 provided with such towns 31, 31 is prepared in the following procedure.

(I) First, as shown in FIG. 6A, a cloth 32 cut into a rectangular shape is prepared.

In the figure, 32a is a first base, 32
b is a second base provided continuously to one end of the first base 32a, and 32c is a third base provided continuously to the other end of the first base 32a.

(Ii) Next, as shown in FIG. 6B, the end 32d of the second base 32b and the end 32e of the third base 32c are sewn to form an endless body. In other words, the endless body is formed by sewing both edges of the cloth 32.

(Iii) Thereafter, as shown in FIG. 6C, the endless body is flattened to form the first base portion 32.
The second base 32b and the third base 32c are folded on a.

(Iv) Then, as shown in FIGS. 6 (c) and 6 (d), the bent portion 34 of the first base 32a and the second base 32b is divided by half the length L desired by the town. Base 3 of 2
2b, the folded portion 35 of the first base portion 32a and the third base portion 32c is folded onto the third base portion 32c by a half L desired by the user.

(Iv) Thereafter, the first base 32a, the second base 32b, the third base 32c, and one side edge of the two bent portions 34 and 35 thus folded. The part 36 is stitched by applying a bias tape 37.
Thereby, as shown in FIGS. 6D and 6E, the bent portion 34 is folded on the second base 32b, and the third base 32b is folded.
Is formed on the base portion 32c of the bag.

(V) Next, the bag is turned upside down. Then, as shown in FIGS. 6F and 6G, the folded portion 34 is folded between the first base portion 32a and the second base portion 32b in a state where the bent portion 34 is in the bag body. Become. Similarly, as shown in FIGS. 6F and 6G, the bent portion 35 is folded between the first base portion 32a and the third base portion 32c in a state where the bent portion 35 is in the bag body. State.

(Vi) Thereafter, when the bag is opened, the folded portion 34 that has been folded between the first base 32a and the second base 32b is expanded, and the first base 32a and the third base 32a are opened. Folded portion 35 folded between base portion 32c
Spreads.

In this case, as shown in FIG. 6D, one side edge 34a of the bent portion 34 is sewn to one side edge 36, and one side edge 34a of the bent portion 35 is sewn. Similarly, 35a is sewn to one side edge 36, so when the bag is expanded, a portion 34b near one side edge of the bent portion 34 and a portion near one side edge of the bent portion 35 As shown in FIG. 5, triangular portions 30 a, 3 for forming the towns 31, respectively, are spread at the corners 38, 38 of the bag body.
0a is formed.

As described above, according to the storage bag of the fourth aspect, it is not necessary to separately sew the bag itself and the sewing for forming the town, unlike the related art. At the time of sewing, the two bent portions 34 and 35 for forming the town are sewn at the same time, so that the effect of forming the towns 31 and 31 easily and easily can be obtained.

By folding the bent portions 34 and 35 on the second base portion 32b by half the length L desired for the town, the towns 31 and 31 are formed.
By changing the amount of folding of the two bent portions 34 and 35, there is also obtained an advantage that the size of the town can be easily changed.

<Fourth Embodiment> FIG. 7 is a partially transparent perspective view showing a third embodiment of a storage bag prepared by using the town forming method according to the present invention, and FIG. (F) is explanatory drawing which showed the procedure at the time of producing a storage bag. In addition,
FIG. 8D is a sectional view taken along the line dd in FIG.
(F) is an ff end view in FIG. 8 (e).

The storage bag of this embodiment is different from the storage bag of the third embodiment in that
Is provided on the front side of the bag body.

In FIG. 7, 40 is a storage bag, 41, 41
Is a town formed on the side of the storage bag 40, and 40a is a town 4
This is a triangular portion for forming 1, 41.

The storage bag 40 provided with such towns 41, 41 is prepared in the following procedure.

(I) First, as shown in FIG. 8A, a cloth 42 cut into a rectangle is prepared.

In the figure, reference numeral 42a denotes a first base, 42a.
b is a second base provided continuously to one end of the first base 42a, and 42c is a third base provided continuously to the other end of the first base 42a.

(Ii) Next, as shown in FIG. 8B, a second base 42b and a third base 42 are formed on the first base 42a.
and c. Upon folding, the second base 42b
A slight gap L1 is provided between the end 42d of the third base 42c and the end 42e of the third base 42c, thereby forming the bag mouth 50.

(Iii) Thereafter, as shown in FIGS. 8 (b) and 8 (c), the bent portion 44 of the first base 42a and the second base 42b is divided by half the length L desired by the town. The second base 42b is folded over the first base 42a and the third base 42b.
The folded portion 45 with the base 42c is folded on the third base 42c by half the desired length L of the town.

(Iv) Thereafter, both side edges of the first base 42a, the second base 42b, the third base 42c, and the two bent portions 44 and 45 thus folded. 46, 46 are stitched by applying bias tapes 47, 47 thereto. Thus, as shown in FIGS. 8C and 8D, the folded portion 44 is folded on the second base portion 42b, and the folded portion 45 is folded on the third base portion 42c. The body is created.

(V) Next, the bag is turned upside down. Then, as shown in FIGS. 8 (e) and 8 (f), the folded portion 44 is folded between the first base 42a and the second base 42b with the folded portion 44 in the bag. Become. Similarly, as shown in FIGS. 8E and 8F, the bent portion 45 is folded between the first base portion 42a and the third base portion 42c with the bent portion 45 in the bag body. State.

(Vi) Thereafter, when the bag is opened, the folded portion 44 that has been folded between the first base 42a and the second base 42b is expanded, and the first base 42a and the third base 42a are opened. Folded portion 45 folded between base portion 42c
Spreads.

In this case, as shown in FIG. 8C, both side edges 44a, 44a of the bent portion 44 are
46, and both side edges 45a, 45a of the bent portion 45 are similarly sewn to both side edges 46, 46. Therefore, when the bag body is expanded, both side edges of the bent portion 44 are opened. As shown in FIG. 7, the adjacent portions 44b, 44b of the bent portion 45 and the adjacent portions 45b, 45b of both side edges of the bent portion 45
Triangular portions 40a for forming the towns 41, 41 are formed respectively at the corners 43 at the four corners of the bag body.

As described above, according to the storage bag of this embodiment, it is not necessary to separately sew the bag itself and the sewing for forming the town, unlike the conventional case, and to remove the bag itself. At the time of sewing, the two bent portions 44 and 45 for forming the town are sewn at the same time, so that the effects of forming the towns 41 and 41 easily and easily can be obtained.

Also, by folding the bent portions 44 and 45 by half the desired length L of the town onto the second base 42b and the like, the towns 41 and 41 are formed.
By changing the amount of folding of the two bent portions 44 and 45, there is also obtained an advantage that the size of the town can be easily changed.

In the present embodiment, between the end 42d of the second base 42b and the end 42e of the third base 42c,
A gap is provided to form the bag mouth 50, but the second base 42b
The end portion 42d of the third base portion 42c and the end portion 42e of the third base portion 42c may be overlapped to form the bag mouth 50. In this case, end 4
If the overlap between the 2d and the end 42e is large, the bag mouth 50 cannot be easily opened, and a storage bag in which the bag mouth 50 can be closed without using an opening / closing member such as a fastener can be obtained.

Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and can be appropriately modified within the scope of the present invention.

For example, the sewing of the edge stitch portion in each of the above embodiments does not necessarily require the use of the bias tape.

[0112]

[Brief description of the drawings]

FIG. 1 is a partially transparent perspective view showing a storage bag according to a first embodiment of the present invention.

FIGS. 2A to 2G are explanatory views showing a procedure for creating a storage bag, and FIG. 2A is a development view of a cloth forming a washing net, and FIGS. d) is an explanatory view when the cloth is folded, (e) is an ee end view in FIG. 2 (d),
(F) is an explanatory view when the bag is turned upside down,
(G) is a gg end view in FIG.2 (f).

FIG. 3 is a partially transparent perspective view showing a storage bag according to a second embodiment of the present invention.

4 (a) to 4 (g) are explanatory views showing a procedure for creating a storage bag, and FIG. 4 (a) is a development view of a cloth forming a washing net, and FIGS. 4 (b), (c), (D) is an explanatory view when the cloth is folded, (e) is an ee end view in FIG. 4 (d), (f) is an explanatory view when the front and back of the bag are turned over, (g) FIG. 5 is a gg end view in FIG.

FIG. 5 is a partially transparent perspective view showing a third embodiment of the storage bag according to the present invention.

6 (a) to 6 (g) are explanatory views showing a procedure for creating a storage bag, FIG. 6 (a) is a development view of a cloth forming a washing net, and FIG. 6 (b) is an endless cloth (C), (d) is an explanatory view when the cloth is folded, (e) is an ee end view in FIG. 6 (d), (f)
FIG. 7 is an explanatory view when the bag is turned upside down, and FIG. 7G is a gg end view in FIG.

FIG. 7 is a partially transparent perspective view showing a fourth embodiment of the storage bag according to the present invention.

8 (a) to 8 (f) are explanatory views showing a procedure for creating a storage bag, FIG. 8 (a) is a development view of a cloth forming a washing net, and FIGS. FIG. 8 (d) is an explanatory view when the cloth is folded, FIG.
(E) is an explanatory view when the bag is turned upside down,
(F) is an ff end view in FIG. 8 (e).

FIG. 9 is a partially transparent perspective view of a conventional storage bag provided with a town.

FIG. 10 is a development view.

[Explanation of symbols]

 3a first base 3b second base 4 bent portion 3c, 3c side edges

Claims (5)

(57) [Claims] 1. A first base, and a second base continuously provided at one end of the first base and folded on the first base, wherein the first base and the second base are provided. Is folded on either the first base or the second base by half of a desired portion of the town, and the folded first base and the second base are folded. A method for forming a town, comprising: sewn a side edge of a base portion and the bent portion; and forming the sewn portion by turning over the sewn portion. 2. A method according to claim 1, further comprising a first base portion, a second base portion provided at one end of the first base portion, the second base portion being folded on the first base portion. Is folded on either the first base or the second base by half of a desired portion of the town, and the folded first base and the second base are folded. A storage bag formed by forming a bag body by sewn both side edges of a base portion and the bent portion, and turning the bag body upside down. 3. A first base, and a second base continuously provided at one end of the first base and folded on the first base, wherein the first base and the second base are provided. The sewn portion obtained by sewing the ends of the first base portion and the bent portion of the first base portion and the second base portion is divided by half of the first
On the base portion or the second base portion, and fold one side edge of the folded first base portion, the second base portion, the sewn portion between the end portions, and the bent portion. A storage bag formed by forming a bag body by edge sewing and turning the bag body upside down. 4. A first base, a second base continuously provided at one end of the first base, and a third base provided continuously at the other end of the first base. And the second
The end of the base and the end of the third base are sewn to form an endless body, which is flattened to form a second base and a third base on the first base. And fold the first
The folded portion between the base portion and the second base portion is folded on either the first base portion or the second base portion by half of a desired portion of the town, and the first base portion and the third base portion are folded. A folded portion with the base is folded on either the first base or the third base by half of a desired portion of the town, and the folded first base and second base are folded. The storage bag is formed by forming a bag body by sewn one side edge of the third base portion and the two bent portions, and turning the bag body upside down. . 5. A first base, a second base provided continuously to one end of the first base, folded on the first base, and connected to the other end of the first base. And a third base folded on a first base. The bent portion of the first base and the second base can be folded by half of the first base. Folding either on the base or on the second base, the first base and the third
Is folded on either the first base or the third base by half of a desired portion of the town, and the folded first base and second base are folded. And a storage bag formed by sewn the side edges of the third base portion and the two bent portions to form a bag body, and turning the bag body upside down. .