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EP0192417A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Fibrous material packages, method of making same and their use

Assignee: Wfj Refractories Ltd
•
Filing: 1986-02-13
•
Granted: —
•
Expires: 2006-02-13
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Abstract

Abstract A mat 10 of fibrous material has been wrapped under vacuum in a bag 12 made of a laminate of a layer 14 nylon and a layer 16 of polyethylene. The bag 12 has been sealed by heat welding the facing layers of polyethylene at 18.

Inventors

  • 👤 John Edward Carson

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-06 10:27
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/38; B32; B32B; B32B27/00; B32B27/12; B32B27/06; B32B27/08; B32B27/32; B32B27/34; B65D81/00; B65D81/18; B65D81/20; B65D81/2007; B65D81/2023; B65D81/2069; F; F01; F01N; F01N3/00; F01N3/08; F01N3/10; F01N3/24; F01N3/28; F01N3/2839; F01N3/2853; F01N3/2857; F01N3/2864; B32B2307/00; B32B2307/30; B32B2307/31; B32B2307/70; B32B2307/724; B32B2307/7242; B32B2309/00; B32B2309/60; B32B2309/68; B32B2553/00; B32B2605/00; F01N2470/00; F01N2470/10

Claims Analysis

Total Claims: 12
Claim 1
Independent Claim 24 words
A package of fibrous material comprising fibrous material wrapped under vacuum or at least reduced pressure and sealed in a substantially air impervious material.
Claim 2
Dependent Claim 24 words
A package of fibrous material comprising fibrous material wrapped under vacuum or at least reduced pressure and sealed in a substantially air impervious material.
Claim 3
Dependent Claim 16 words
A package as claimed in claim 1, wherein the air impervious material is plastics sheet material.
Claim 4
Dependent Claim 36 words
A package as claimed in claim 2, wherein the plastics sheet is preformed as an envelope or pouch into which the fibrous material is fitted before application of reduced pressure or vacuum followed by heat sealing.
Claim 5
Dependent Claim 20 words
A package as claimed in claim 1, 2 or 3, wherein the fibrous material is of ceramic or mineral fibres.
Claim 6
Dependent Claim 25 words
A package as claimed in any one of claims 1 to 4, wherein the fibrous material is in the form of a mat or sheet.
Claim 7
Dependent Claim 23 words
A package as claimed in any one of claims 1 to 5, wherein the plastics material is a laminate of polyethylene and nylon.
Claim 8
Dependent Claim 30 words
A package as claimed in any one of claims 1 to 6, wherein the fibrous material is firstly sealed under vacuum or at least reduced pressure in air pervious material.
Claim 9
Dependent Claim 13 words
A package as claimed in claim 8, wherein the pervious material is polyethylene.
Claim 10
Independent Claim 28 words
A method of making a package of fibrous material comprising wrapping and sealing the fibrous material under vacuum or at least reduced pressure in substantially air impervious material.
Claim 11
Independent Claim 28 words
A method of making a package of fibrous material comprising wrapping and sealing the fibrous material under vacuum or at least reduced pressure in substantially air impervious material.
Claim 12
Dependent Claim 27 words
A method as claimed in claim 9 comprising the step of firstly sealing the fibrous material under vacuum or at least reduced pressure in air pervious material.

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