JP4246017B2 - Thin-walled blow container - Google Patents

Description

  The present invention relates to a thin-walled blow container that contains a liquid.

2. Description of the Related Art As a thin-walled blow container that contains a liquid, a thin-wall blow molded container that can reliably and efficiently perform a volume reduction process has been conventionally known.
JP 2001-315742 A

  In thin-walled blow containers, thinning of the blow container has been implemented for resource saving and recycling. However, the larger the container, the larger the capacity, and the dead weight of the liquid does not prevent the container grounding end wall. There is a problem that the product value is reduced, the container falls, or the container drops during display at the store, due to deformation such as gummy.

  An object of the present invention is to provide a thin blow container that prevents deformation such as swelling by making the ground contact portion of the ground end wall of the thin blow container a flat surface with the object of solving the above problems. To do.

In order to solve the above problems, the present invention provides a thin-walled blow container having a mouth portion, a trunk portion, and a bottom portion as a thin-wall blow container, wherein the bottom portion includes a bottom wall formed in a mountain shape, and the bottom portion. A grounding end wall continuously provided on both side ends of the wall, and a bulging portion extending from the grounding portion of the grounding end wall and having a flat bottom surface on both sides of the bottom wall. The configuration is adopted.

In the thin-walled blow container of the present invention, the grounding part of the grounding end wall of the container is made substantially flat so that the force applied to the grounding part at the bottom of the container is dispersed, and deformation such as swelling due to the weight of the content liquid is prevented. In addition to improving the stability of the container, it is possible to increase the value of the product and to bring a sense of security to consumers.
Further, since the container is formed into a thin wall, it is easy to crush, and there is an advantage that the volume of the container can be reduced.

Next, embodiments of the present invention will be described with reference to the drawings.
In FIG. 1, A is a blow molded container, and the container A is composed of a mouth part 1 and a shoulder part 2 with a diameter-expanded part at the lower part, and a body part 3 and a bottom part 4 following the shoulder part 2. .

  The shoulder portion 2 has a mountain shape having a ridge line 5 that is inclined so that the center is higher. As shown in FIGS. 1 and 2, the trunk portion 3 has a substantially rectangular cross section, and the front and rear walls 6. It consists of left and right side walls 7.

The front and rear walls 6 are flat wall surfaces that are continuous with arcuate edges 8 at the skirts of the shoulders 2. It is edge 10.
As shown in FIG. 3, the side wall 7 is configured by a flat wall surface, and the edge of the side wall 7 is a mountain-shaped upper edge 11 that becomes the side surface of the shoulder 2, and the side edge that is continuous with the front and rear walls 6. It consists of an edge 9 and two inclined end edges 13 having an intersection 12 below the center.

The ridge line 5 of the shoulder 2 and the center of the wall surface of the side wall 7 form a parting line P, and a folding line 14 is formed on the parting line P and on the inclined edge 13.
The fold line 14 can be a fine line, a groove, a rib, or the like.

  As shown in FIGS. 3 and 4, the bottom portion 4 includes a front and rear grounding end wall 15 that is continuous with the lower end edge 10 of the front and rear wall 6, and a center that extends from the grounding end wall 15 so as to rise in a mountain shape. The bottom wall 17 includes a curved wall 18 that extends obliquely upward following the side end of the bottom wall 17 and rises so as to connect to the inclined end edge 13 of the trunk side wall 7.

The center of the curved wall 18 is a ridge line 19 that curves upward and extends, and is connected to the intersection 12 of the inclined edge 13.
The ridge lines 16 and 19 are on the parting line P, and the fold line 14 can be provided on the ridge line 19.

The bottom wall 17 is provided with a bulging portion 21 having a flat grounding surface 20 extending inward from the grounding portions of the front and rear grounding end walls 15.
The bulging part 21 may be provided intermittently as shown in FIG.
Further, instead of the bulging portion 21, as shown in FIGS. 6 and 7, a flat ground surface 22 may be provided in a shape in which the lower surface of the ground end wall 15 is horizontally cut.
Further, when the content liquid is accommodated and allowed to stand, an inflection point may be provided on the ground contact end wall so that a flat surface is formed on the ground contact end wall due to the weight of the liquid.

Next, the effect of the container of the present invention will be described.
The grounding surfaces 20 and 22 of the bottom 4 of the thin-walled blow container are flat grounding surfaces, unlike the conventional ones in which the grounding edge is composed of a curved surface and the grounding portion is in line contact. It was decided that the stability of the container was improved without causing the ground end wall to be deformed due to the dead weight of the liquid.

Thin-walled blow containers are thin and can be easily reduced in volume for recycling. Also, they are flattened and deformed by using the fold lines provided on the body 3 and the bottom 4 as a base point. Became easier.
Furthermore, since the bottom portion can be prevented from being deformed by its own weight or the like, the weight can be further reduced, and resource saving can be achieved.

  By providing a flat grounding surface on the grounding end wall at the bottom of the container, the stability of the container can be increased, and the product value can be increased, and the volume can be easily reduced by making the container thin. The use of thin-walled blow containers has been expanded.

It is a perspective view of a thin blow container. It is a front view of a thin blow container. It is a side view of a thin blow container. It is a bottom view of a thin blow container. It is a bottom view of the modification of a grounding part. It is a partially broken perspective view of the modification of a grounding part. It is a bottom view of the modification of a grounding part.

Explanation of symbols

A container P parting line 1 mouth part 2 shoulder part 3 trunk part 4 bottom part 5 ridge line 6 front and rear wall 7 side wall 8 edge 9 side edge 10 lower edge 11 upper edge 12 intersection 13 inclined edge 14 bending line 15 grounding edge Wall 16, 19 Ridge line 17 Bottom wall 18 Curved wall 20, 22 Grounding surface 21 Bump

Claims (1)

A thin-walled blow container having a mouth, a trunk and a bottom,
The bottom portion includes a bottom wall formed in a mountain shape, and a ground end wall continuously provided on both side ends of the bottom wall,
A thin-walled blow container characterized in that a bulging portion is provided on both sides of the bottom wall, extending from the grounding portion of the grounding end wall and having a flat bottom surface .

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