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Vessels including ribbed arched bottoms

A container, annular technology used in the manufacture of containers such as bottles or cans to solve problems such as collapse

Inactive Publication Date: 2016-07-13
SIDEL PARTICIPATIONS SAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In particular, it has been observed that even assuming the stiffness of lightweight containers appears to be sufficient when filled, their stacking on pallets poses a problem because the weight of the stacked containers exerts a force on the container below, making the bottom Tends to roll and trays tend to collapse

Method used

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  • Vessels including ribbed arched bottoms
  • Vessels including ribbed arched bottoms
  • Vessels including ribbed arched bottoms

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0041] exist figure 1 Above shows a container 1 , in this case a bottle, made by stretch blow molding from a preform of thermoplastic material such as PET (polyethylene terephthalate).

[0042] The container 1 comprises a threaded neck 2 provided with a mouth 3 at the upper end. In the continuation of the neck 2, the container 1 comprises in its upper part a shoulder 4 which widens in the direction opposite the neck 2, the shoulder 4 being continued by a side wall or body 5 which The wall or body is generally in the shape of a cylinder of revolution around the main axis X of the container 1 .

[0043] The container 1 also includes a bottom 6 which extends at the lower end of the container 1 .

[0044] As can be seen on the accompanying drawings and more particularly in the Figure 5 , Figure 6 and Figure 7 As seen above, the bottom 6 comprises a base 7 in the form of a thin annular rim extending substantially axially in the prolongation of the body 5 . Base 7 terminate...

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Abstract

A container of plastic material, which is equipped with a main body (5) and a bottom (6), the bottom (6) extends at the lower end of the main body (5), the bottom (6) includes: an annular base (7), the annular base is basically on the main body ( 5) extends and defines the bearing surface (8) in the extended part; the concave arch (13), the arch extends from an area adjacent to the base (7) to the central area (14), and the arch includes A series of stiffening ribs (16) extending radially from the central region (14) to the base (7).

Description

technical field [0001] The invention relates to the manufacture of containers, such as bottles or cans, obtained by blowing or stretch blowing using preforms made of thermoplastic material. Background technique [0002] The manufacture of containers by blowing generally consists in introducing a preform (the term refers either to a preform or to an intermediate container obtained by pre-blowing of a preform) preheated to a temperature above the glass transition temperature of the material into a In the mold of the container cavity; and Injecting a pressurized (pressure equal to or greater than 15 bar) gas (such as air) in the blank. Blowing can be accomplished by pre-stretching the preform using slide bars. [0003] The dual molecular orientation (axial and radial, respectively parallel and perpendicular to the general axis of the container) experienced by the material during blowing imparts a certain structural rigidity to the container. [0004] However, the reduction in...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65D1/02
CPCB65D1/0261B65D23/001
Inventor M·布科布扎M·德里安
Owner SIDEL PARTICIPATIONS SAS
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