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Preform and container with variable transmission

A preform, transmittance technology, applied in the design and manufacture of plastic containers, which can solve the problem of increased energy consumption

Pending Publication Date: 2021-10-22
SIDEL PARTICIPATIONS SAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0033] It should also be noted that in halogen furnaces, forced air can be adjusted to the maximum in order to cool the skin of the opaque preforms, which results in increased energy consumption

Method used

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  • Preform and container with variable transmission
  • Preform and container with variable transmission

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Experimental program
Comparison scheme
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Embodiment Construction

[0099] figure 1 The manufacturing method of manufacturing the plastic container 2 of this invention is shown.

[0100] This method, which will be detailed below, allows the manufacture of containers 2 from the preforms 1 of the invention by blowing or draw-blowing.

[0101] Preform 1 has:

[0102] - neck 11;

[0103] - body 12;

[0104] - Bottom 13.

[0105] The main body 12 is rotationally symmetrical about a central axis C and has a cylindrical portion 121 of revolution.

[0106] The body 12 is formed by a wall 120 .

[0107] The thickness of the wall 120 is between 1 mm and 5 mm, preferably between 2 mm and 3.5 mm.

[0108] The wall 120 has an outer skin 122 and an inner skin 123 .

[0109] The bottom 13 is located at one of the ends of the body 12 and closes the body 12 .

[0110] The neck 11 extends on the extension of the main body 2 at the other end of the main body 12 .

[0111] This neck 11 is open and forms the mouth of the finished container 2 formed from t...

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Abstract

The invention relates to a preform (1) for forming a container (2) by blowing or blowing-drawing, the preform (1) being made of a plastic material containing at least one additive which gives the plastic material the ability to filter the visible light spectrum at least partially. The wall (120) of the preform (1) forms a hollow body, said additive providing the plastic with the property of at least partially allowing the passage of light in the infrared spectrum. The invention also relates to the container made of plastic and a method for producing the container made of plastic.

Description

technical field [0001] The field of the invention is that of the design and manufacture of containers made of plastics. [0002] In particular, the invention relates to the manufacture of containers for containing articles requiring protection from light, by blowing or drawing-blowing of preforms. Background technique [0003] Typically, the preform has a generally cylindrical hollow body of revolution, a neck with a mouth, and a bottom closing the body at the end opposite the neck. [0004] To manufacture the preform, the constituent plastic of the preform is injected in liquid state into an injection mold under high pressure. [0005] The conventional manufacturing technique for making a container from a preform consists in heating the preform in a furnace and then forming the container in a blow mold (hereinafter referred to directly as "mold"). [0006] The forming of a container consists in feeding a heated preform into a mold whose walls define the cavity of the cont...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29B11/14B29C49/64B29C35/08B65D1/00B29K105/32B29L22/00
CPCB29B11/14B29C49/6409B29C35/08B65D1/00B29C2035/0838B29C2035/0822B29L2031/712B29C49/0005B29K2023/06B29K2023/10B29K2509/02B29C49/6418B29C49/071B29C2949/0715B29K2995/0018B29K2995/0027B29L2031/7158B65D1/0207B65D65/38
Inventor G·弗约莱N·布特罗伊
Owner SIDEL PARTICIPATIONS SAS