JPS5844538B2 - Bottle and its manufacturing method - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a bottle in which the stopping position of the cap is always set constant through the synergistic effect of each stopper on both the bottle opening and the cap, and a method for manufacturing the same.

That is, one aspect of the present invention is to install a protrusion horizontally along the entire circumference below the male threaded portion spirally provided on the outer peripheral surface of the upper part of the mouthpiece of the bottle body. A pair of stoppers are provided at the thread end portion of the male screw portion of the protruding portion and a portion opposite thereto, and a plate body molding is provided below the protrusions facing each other approximately 90 degrees apart from each stopper. A bottle opening is formed by consecutively connecting protrusions for positioning the bottle.
A cap comprising a pair of stoppers provided at the end of the thread of the female thread provided on the inner circumferential surface and a portion opposing this is held in a predetermined position by the screwing means of the male and female threads and each of the stoppers on both sides. Another invention is a bottle that is attached so as to be stopped.The other invention is that in the first molding process of molding the bottle opening, a male screw part for screwing the cap and a protrusion for suspension support when molding the body of the plate are added. A pair of stoppers for stopping the cap and a row of protrusions for positioning when molding the plate body are molded, and in the second molding process to mold the next bottle body, finishing for molding the bottle body is performed. Fitting each of the protrusions into a pair of recesses provided in the mold,
In this method of manufacturing a bottle, the bottle body is formed so that the screw start and end points of the male screw portion and each stopper are in constant positions.

The purpose of this is that when the cap is attached to the bottle opening by screwing means, the cap is always stopped at a position where the front of the cap matches the front of the bottle body, which greatly improves the overall appearance of the bottle. It is an object of the present invention to provide a bottle and a method for manufacturing the same which can obtain good and useful advertising effects.

Hereinafter, one embodiment of the present invention will be described based on the drawings.

First, to explain the bottle A of the present invention, as shown in FIGS. 1 to 4, a male threaded portion 3 is provided on the outer peripheral surface of the upper part of the spout 2 of the bottle body 1 having a rectangular planar shape, and the end point of the thread is located at the parting line. A protrusion 4 is provided on the outer peripheral surface of the lower part of the mouthpiece 2 for suspension support during bottle body molding. Furthermore, a pair of stoppers 5 are provided on the parting line P facing each other on the protrusion 4, and furthermore, from each stopper 5 in opposite circumferential directions. At the lower portions of the protrusions 4 that are spaced apart by approximately 90 degrees, there are positioning protrusions 6 at the time of molding the bottle body in order to keep the screw start and end points of the male threaded portion 3 and each of the stoppers 5 constant. A bottle mouth portion A1 is formed by respectively arranging them in series.

On the other hand, a female threaded portion 8 is provided on the inner peripheral surface of the cap body 7, which has a rectangular planar shape that is the same as the planar shape of the bottle body 1, and the bottle mouth portion A1.
A pair of stoppers 9 are provided at the lower end of the cap body 7, which is spirally recessed in correspondence with the male threaded part 3 of the cap body 7, and which faces the female threaded part 8 and a part separated by 180 degrees from the end of the female threaded part 8. A cap A2 is formed to correspond to each stopper 5 of the bottle opening A1.

Then, a cap A2 is attached to the bottle opening A1, and a male screw part 3 is attached to the bottle opening A1.
and the female screw portion 8, and each stopper 5 on both sides,
9 so that it can be stopped at a predetermined position.

In addition, although the bottle body 1 and the cap A2 have a rectangular planar shape as an example, they are not limited to this, and may have a square planar shape, a rhombic planar shape, a circular planar shape, etc. In addition, the cap A2 has the cap body 7 and the female threaded part 8 integrated into one body as an example, but the present invention is not limited to this. The cylindrical body may be molded separately from the cylindrical body which has been subjected to the above process, and the cylindrical body may be fitted into the cap body 1.

Next, to explain the manufacturing method of the bottle A of the present invention, during its manufacture, as shown in FIG. Molding mouth mold B1. B2 and crude B3 for molding the bottle body. B4
As shown in FIG. 6, as a second molding process for forming the bottle body 10, a pair of half-shaped finishing molds C for forming the plate body are used.
1 and C2 are used.

The mouth mold for forming the bottle mouth part B1. B2 has thread grooves 11 for three external threads on the lower part of the inner wall, which is recessed in a semicircular cross-section, and a stepped part for each stopper on the upper part. (not shown) and a recess 1 for forming each protrusion 6
Horizontal grooves 13 for forming the protrusions 4 having 2 and 2 at predetermined positions are respectively carved.

Said bottle body molding double set mold B3. B4 is recessed so that the inner lower part has a small diameter and the inner upper part has a slightly larger diameter than the lower part.

The finishing molds CI and C2 for forming the bottle body are each recessed on the inside so that they match the shape of the bottle body 10 to be manufactured, and have a small-diameter inner wall surface recessed in the upper part of the inside with a semicircular cross section. Concave portions 14 for fitting the respective protrusions 6 for positioning during molding of the bottle body are carved in opposing portions at the center in the front-rear direction.

That is, a pair of bottle mouth forming mouth molds B1. B2 are installed facing each other from the left and right so that the screw grooves 11 and the horizontal grooves 13 having steps, recesses 12, etc. are aligned, and a pair of bottle body molding molds B3. The glass material is charged from above into the primary molding device B, which is made up of B4 similarly installed facing each other, and then the center part of Simple 15 is attached to the bottom surface of the mouth mold B1B2 for forming the bottle mouth according to a conventional method. Blow compressed air from the
, the bottle opening A1 with the stopper 5, protrusion 6, etc. is molded, and the bottle body 10 is molded to a rough finish).

Next, a pair of finishing molds CI and C2 for forming the plate body are placed in a primary molding device C that is installed facing each other from the left and right so that the respective recesses 14 face each other in the left and right positions. Device B
The molded product molded in is turned upside down, and the protrusions 4 of the bottle mouth A1 are suspended and supported on the upper surface of the finishing mold C1C2 for forming the plate body, and the protrusions 6 of the bottle mouth A1 are placed in each recess 14, respectively. Insert the molded product so that they fit together, and then insert the bottle opening A1 of the molded product according to the usual method.
Finishing of the bottle body 10 is performed by blowing compressed air from above.

In addition, regarding the parting line P, the bottle body 1
When molding the bottle opening A1 and the bottle body 10, a pair of bottle bottom molds B1. B2. Rough mold for forming the bottle body B3. B4. This is a forming line formed at the seam of the finishing molds CI and C2 for forming the plate body.3 Since the present invention is configured as described above, the cap A2 is attached to the bottle opening A1 of the bottle body 1. When the male threaded part 3 and the female threaded part 8 are attached by screwing means, the bottle mouth part A
Due to the synergistic effect of each stopper 5 of 1 and each stopper 9 of cap A2, cap A2 is always stopped at a position where the front of cap A2 matches the front of bottle body 1. Not only do the planar shapes of the bottles match, but also the front and back sides when viewed from the front and the front and rear surfaces when viewed from the side are matched, resulting in a balance between the bottle body 1 and the cap A2, which improves the overall appearance of the bottle A. is extremely good.

In addition, by displaying advertising marks, pictures, characters, etc. on the front of the cap A2, the advertising marks can be displayed along with the front of the bottle body 1 when displaying for sale or storing on an appropriate stand, shelf, etc. , pictures, text, etc. can be always placed in front of the screen, so a useful advertising effect can be obtained.

In addition, it is convenient when it is desired to display a series of advertising pictures etc. on the entire bottle body 1 and cap A1 and press the button to stop the cap A2 at a predetermined position.

Furthermore, the row of protrusions 6 formed in the first molding step of molding the bottle opening A1 is transferred to the upper mold CI of both companies for forming the bottle body in the second molding step of molding the bottle body 10.

The bottle body 10 is fitted into a pair of recesses 14 provided in C2.
Therefore, the positions of the screw start and screw end of the male threaded portion 3 molded in the first molding process and each stopper 5 can be set consistently and reliably.

As explained above, according to the present invention, when the cap is attached to the mouth of the bottle body by the screwing means, the cap is always stopped at a position where the front side of the cap matches the front side of the bottle body. , the overall appearance of the bottle is extremely good,
Moreover, useful advertising effects can also be obtained.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, in which Fig. 1 is a perspective view of the bottle, Fig. 2 is an exploded perspective view of the same, Fig. 3 is a plan view of the bottle mouth, and Fig. 4 is a side view of the same. Fig. 5 is a longitudinal sectional front view of the main part of the primary molding device that molds the bottle body, showing the manufacturing process, and Fig. 6 is a longitudinal sectional front view of the main part of the secondary molding device that molds the bottle body. . A...Bottle, A1...Bottle opening, A2...
...Cap, B...Primary molding device, B
1. B2...mouth shape, B3. B4... Crude, C... Secondary molding device, CI, C2...
...Finishing die, P...Parting line, 1
... Bottle body, 2 ... Mouthpiece, 3 ...
・・Male thread part, 4・・stopper, 6・・・・
...Protrusion, 7... Cap body, 8...
・Female screw part, 10...Bottle body, 11...
・Screw groove, 12.14... recess, 13...
...Horizontal groove, 15...Simple.

Claims (1)

[Scope of Claims] 1. Below the male threaded part spirally provided on the outer peripheral surface of the upper part of the mouthpiece of the bottle body, a protrusion for suspension support during molding of the plate body is provided horizontally along the entire circumference. A pair of stoppers are provided at the end of the male screw part of the protrusion and the part facing this, and a plate body molding is provided at the lower part of the protrusion facing each other approximately 90 degrees from each stopper. The bottle mouth has a shape with a series of protrusions for positioning the bottle, and the bottle mouth has a pair of screws at the end of the female thread provided on the inner circumferential surface and at a part facing the end of the female thread. 1. A bottle characterized in that a cap provided with a stopper is attached so as to be stopped at a predetermined position by screwing means of the male and female threaded portions and each stopper on both sides. 2. In the first molding process of forming the bottle opening, a male thread for screwing the cap, a protrusion for suspension support during molding of the plate body, a pair of stoppers for stopping the cap, and molding of the plate body. A pair of protrusions for positioning at the time are molded, and the second molding process for molding the next bottle body is carried out, and each of the protrusions is fitted into a pair of recesses provided in a finishing mold for molding the bottle body. The method for manufacturing a bottle is further characterized in that the bottle body is formed so that the starting and ending points of the male threaded portion and each stopper are in a constant position.