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Venting cover and container with such venting cover

A technology for deflation caps and containers, which is applied in the directions of transportation and packaging, closing, packaging, etc., and can solve the problems of complex structure and expensive manufacture of the deflation system

Inactive Publication Date: 2011-01-26
AKZO NOBEL CHEM INT BV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Such venting systems are structurally complex and therefore expensive to produce

Method used

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  • Venting cover and container with such venting cover
  • Venting cover and container with such venting cover
  • Venting cover and container with such venting cover

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0026] FIG. 1 shows a part of a container 1 with a spout 2 , in which a peripheral neck 3 is provided with an external thread 4 . The vent cap 5 includes a body plate 6 so as to cover the spout 2 . The body plate 6 of the air release cover 5 has an air release port 7 covered by a flush cap 8 . Along the circumference of the body plate 6 , the vent cap 5 has a flange 9 with an internal thread 10 for cooperating with the external thread 4 of the spout neck 3 . A breathable sheet filter 11 made of perforated plastic film material is placed over the spout 2 and secured between the threaded connections 3 , 4 between the spout neck 3 and the vent cap flange 9 .

[0027] The punch-off cap 8 comprises a cap body 12 with a peripheral cap flange 13 covering a neck 14 surrounding the deflation opening 7 . The neck 14 is provided with ridges or ribs 15 on its outer side. The inside of the cap flange 13 is provided with ridges or ribs 16 which hook onto the ridges 15 of the neck to form...

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PUM

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Abstract

Pressure release container, e.g. for peroxide materials, with a spout opening (2), a neck (3) along the periphery of the spout opening, and a venting cover (5). The venting cover comprises a body plate (6) to cover the spout opening, the body plate having a vent opening (7) and having a flange (9) with fastening means, e.g. a screw thread (4), to cooperate with corresponding fastening means on the outer face of the neck. The vent opening is covered by a gas permeable sheet (11) fixed between the fastening means of the neck and the flange. The vent opening can be provided with a pop-off cap (8).

Description

technical field [0001] The present invention relates to a pressure release container comprising a spout, a neck along the circumference of the spout and a vent cap comprising a body plate to cover the spout, the body plate has a vent and is provided with a protrusion along its circumference The inner peripheral surface of the flange is provided with a fastening device so as to cooperate with the corresponding fastening device on the outer surface of the neck, wherein the air release port is covered by a gas-permeable filter. Background technique [0002] Such containers are usually used for substances liable to exothermic decomposition. Since this slow decomposition with gas evolution can lead to dangerous overpressure in the container after a period of time, such substances cannot be kept in closed containers. Among these substances are peroxide formulations, which are optionally dissolved in so-called desensitizers - usually hydrocarbon solvents - or in aqueous solutions,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B65D51/16
CPCB65D51/1616
Inventor P·P·万德斯K·沃内克J·H·G·洛克
Owner AKZO NOBEL CHEM INT BV