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EP0085474A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Lined fabric reinforced flexible container for potable liquids

Assignee: Marston Palmer Ltd
•
Filing: 1983-01-06
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Granted: —
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Expires: 2003-01-06
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Abstract

Abstract A flexible container for potable liquids, the container being of a fabric reinforced rubber body with an internal lining, the lining being bonded to the rubber and being formed of a non-orientated polypropylene. The potable liquid may be wine.

Inventors

  • 👤 Ronald Leslie Grosvenor

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-03 17:50
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/12; B32B25/00; B32B25/04; B32B25/08; B32B25/18; B32B27/16; B32B27/32; B65; B65D; B65D31/00; B65D31/02; B32B2305/00; B32B2305/08; B32B2305/72; B32B2323/00; B32B2323/10; B32B2439/00; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/1334; Y10T428/1352; Y10T428/1362; Y10T428/19; Y10T428/192; Y10T428/197

Claims Analysis

Total Claims: 11
Claim 1
Independent Claim 26 words
A flexible container for a potable liquid comprising a fabric reinforced rubber body having a lining of a non-orientated polypropylene bonded to the fabric reinforced body.
Claim 2
Dependent Claim 26 words
A flexible container for a potable liquid comprising a fabric reinforced rubber body having a lining of a non-orientated polypropylene bonded to the fabric reinforced body.
Claim 3
Dependent Claim 20 words
A flexible container as claimed in Claim 1 in which the fabric reinforcing the rubber body is a non-wick fabric.
Claim 4
Dependent Claim 43 words
A flexible container as claimed in Claim 2 in which the fabric has warp threads and weft threads, the threads being filled with rubber, the arrangement being such that there are no longitudinal empty passages along and between the strands of the threads.
Claim 5
Dependent Claim 21 words
A flexible container as claimed in Claim 1 in which the polypropylene is bonded to an uncured fabric reinforced rubber layer.
Claim 6
Dependent Claim 31 words
A flexible container as claimed in Claim 4 in which the polypropylene is bonded by being calandered with the layer and being bonded to the rubber as the rubber is cured.
Claim 7
Dependent Claim 18 words
A flexible container as claimed in Claim 1 in which the polypropylene layer is treated to enhance bonding.
Claim 8
Dependent Claim 17 words
A flexible container as claimed in Claim 6 in which the treatment comprises an electric discharge treatment.
Claim 9
Dependent Claim 17 words
A flexible container as claimed in Claim 1 in which the non-orientated polypropylene is a cast polypropylene.
Claim 10
Dependent Claim 81 words
A flexible container as claimed in Claim 2 in which the container is formed of one or more strips of material, or is provided at one or more ends with joints between adjacent portions of lined fabric reinforced rubber material, wherein the improvement comprises a tape having a liner layer of polypropylene and a layer of rubber between the liner layer and the joint, the rubber being bonded to the inside of the joint and being free of fabric reinforcing threads.
Claim 11
Dependent Claim 15 words
A flexible container as claimed in Claim 1 in which the rubber is butyl rubber.

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