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Strengthened petaloid base of a container

A petal-shaped container technology, applied in the field of reinforced petal-shaped container bottom, can solve long, expensive, boring and other problems

Active Publication Date: 2015-04-08
SIDEL PARTICIPATIONS SAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But this experiment-and-results exercise is long, tedious, and expensive because it requires implementing many prototypes
Also, results are not guaranteed for all applications

Method used

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  • Strengthened petaloid base of a container
  • Strengthened petaloid base of a container
  • Strengthened petaloid base of a container

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0030] exist figure 1 The top shows in a perspective view the lower part of a container 1 obtained by blowing or stretch blowing from preforms of thermoplastic material such as polyethylene terephthalate (PET), here the container is a bottle .

[0031] A container 1 extends along a main axis X, said container comprising a side wall 2 called a body, and a bottom 3 closing this body 2 at its lower end.

[0032] The bottom 3 is petal-shaped and comprises a series of feet 4 formed by protuberances projecting towards the outside of the container 1, the feet 4 extending from a tablet-shaped central area 5 of the bottom 3 towards the periphery of the bottom 3, the material being The central region remains substantially amorphous.

[0033] The most protruding part or top 6 of the leg 4 is at the same time the widest and forms a base for the container 1 by which the container can rest on a flat surface such as a table, the most protruding part or top of the leg being at the periphery...

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PUM

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Abstract

Container (1) of thermoplastic material produced by blowing or stretch blowing of a blank, said container comprising a petaloid bottom (3) provided with projecting feet (4) separated by hollow valleys (8) that extend radially from a central zone (5) of the bottom (3), each foot (4) having two flanks (9), each of which laterally borders a valley (8). Each foot (4) is provided, on each of its flanks (9), with a cheek (18) that projects laterally from the side of the valley (8).

Description

technical field [0001] The invention relates to the manufacture of containers, in particular bottles, obtained by blowing or stretch blowing from blanks (preforms or intermediate containers) of thermoplastic material. Background technique [0002] A container generally comprises: an open neck through which a content (usually a liquid or paste) is introduced; a body, which gives the container its volume; and a bottom, which closes the body in the opposite direction from the neck, and form a base for stabilizing and holding the container when resting on the surface. [0003] Usually aim to strengthen the bottom to, depending on the situation: [0004] - make it resistant to the hydrostatic pressure exerted by the contents; [0005] - For hot-fill applications, to withstand thermal stress caused by the high temperature of the contents, which may be higher than the glass transition temperature of the container's constituent material (for example, many PET containers with a gla...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65D1/02
CPCB65D1/0284
Inventor M·布科布扎
Owner SIDEL PARTICIPATIONS SAS