JPS594916Y2 - Biaxially stretched bottle with base - Google Patents

Description

[Detailed explanation of the idea] This proposal relates to a biaxially stretched bottle with a base.

Biaxially stretched resin bottles can be made into thinner bottles because their strength is increased by biaxial stretching, and therefore have great advantages in terms of saving materials and reducing the weight of the bottle.

However, if the bottom wall is formed into an eave shape that rises inward like a normal bottle, the part between the bottom wall peripheral edge and the lower part of the body peripheral wall tends to be particularly thin compared to other parts. It is easily deformed and damaged by external pressure or internal pressure when the bottle is sealed.

In order to eliminate such defects, the bottom of the bottle is sometimes formed into a spherical shape that bulges out from the bottom of the bottle, but in this case, it becomes impossible to stand the bottle up, so it is necessary to separately fit a frame-shaped base. It becomes necessary.

The base is often bonded to the bottom of the bottle with adhesive, but if there is not enough adhesive, it will easily peel off, and if it is too attached, it will leak from the air holes drilled in the bottom wall of the base. There was a drawback that the excess adhesive leaked out and stained the surrounding area.

The present invention eliminates such drawbacks, and the drawings are explained below. 1 is the weir body made of biaxially stretched synthetic resin, 2 is the body part, 3 is the shoulder part, and 4 is the mouth and neck part.

The bottom portion 5 is formed to bulge out in a spherical shape toward the bottom of the bottle.

A separately provided hook-shaped leg stand 6 is fitted to the bottom of the weir body 1 and bonded with an adhesive.

The footrest tightly fits the upper part of the fitting peripheral wall 8 into the lower part of the trunk of the weir main body, folds the inner peripheral wall upwardly inward from the lower end of the fitting peripheral wall, and attaches the bottom of the weir main body to the upper end of the inner peripheral wall. It is formed by connecting the outer periphery of the bottom wall 7 that supports the.

The soil surface of the bottom wall is bonded to the bottom surface of the weir body as a concave receiving surface 10 with an adhesive, and a groove 11 for collecting excess adhesive is formed in a part of the receiving surface 10. be.

Further, the lower portion of the fitting peripheral wall 8 and the inner peripheral wall form a leg portion 9 having an opening on the upper surface, and an air hole 12 is formed in the inner peripheral wall.

When bonding the bottom of the weir body and the receiving surface 10 of the pedestal, dots of adhesive are applied to either or both surfaces, and the bottom of the weir body is pushed into the pedestal and bonded.

At this time, the air in the footrest is discharged from the air hole 12 provided in the inner circumferential wall, and the excess adhesive enters the relief groove 11.

In this case, the upper part of the fitting peripheral wall 8 is fitted into the lower part of the trunk of the weir main body, and the inner peripheral wall is folded upwardly inward from the lower end of the fitting peripheral wall. Connecting the outer periphery of the bottom wall 7 that supports the bottom surface to form a footrest 6,
Since the soil surface of the bottom wall is made into a concave receiving surface 10 and is bonded to the bottom surface of the weir body using an adhesive, the bottom surface of the weir body and the above-mentioned receiving surface can be easily connected by simply placing the foot stand on a platform or the like and pushing the bottom of the weir body into the foot stand. It is possible to press the base and join it with adhesive attached to one or both of them, making it easy to align the respective axes of the base and the weir body, and the receiving surface is formed in a concave shape. , and there is an adhesive reservoir groove 11 in a part of 4 (-).
, the excess adhesive will enter the reservoir groove, and since there are no air holes in the receiving surface,
Excess adhesive will not leak from the air holes and cause stains.
The air hole is located at the lower part of the fitting peripheral wall 8 and at the upper opening of the leg 9.
When the bottom of the weir body is pushed into the upper part of the fitting peripheral wall, the air inside the footrest will be discharged from the air hole, so that the air inside the footstand will be exhausted. It is possible to prevent pressurized air from remaining and interfering with the adhesion between the bottom of the weir body and the receiving surface 10.

Furthermore, the proposed bottle with a pedestal is one in which the bottom surface of the weir body and the bottom wall of the pedestal are bonded together with an adhesive, and the bottom of the weir body body and the bottom wall of the pedestal are fitted together, as is conventionally done in some cases. Since a concave and convex engagement means is not provided on the fitting peripheral wall of the leg base to be mated and the two are fitted together, there is no need to provide the engagement means, and since no engagement means is provided, the engagement The appearance of the bottle will not be damaged by the fixing method.

[Brief explanation of drawings]

The drawing is a partially cutaway front view of the present bottle. 1... Weir body, 6... Leg stand.

Claims (1)

[Scope of utility model registration request] In the bottle, the bottom part 5 of the biaxially stretched resin bottle body "1" is formed to bulge downward in a spherical shape, and a leg stand 6 separately provided in a hakama shape is adhered to the bottom part. The upper part of the fitting peripheral wall 8 is tightly fitted into the lower part of the trunk of the weir main body, and the inner peripheral wall is folded upwardly inward from the lower end of the fitting peripheral wall 8, and the upper end of the inner peripheral wall is attached to the weir. The outer periphery of the bottom wall 7 that supports the bottom surface of the main body is connected and formed, and the top surface of the bottom wall is bonded to the bottom surface of the weir main body as a concave receiving surface 10 with an adhesive, and a portion of the receiving surface is excessively adhered. The adhesive reservoir groove 11 is provided, and the lower part of the fitting peripheral wall 8 and the inner peripheral wall form a leg portion 9 having an opening on the upper surface, and an air hole 12 is formed in the inner peripheral wall. A biaxially stretched bottle with a base.