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EP0010293A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Improvements to pipe jointing compounds

Assignee: Unasco Pty Ltd
•
Filing: 1979-10-16
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Granted: —
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Expires: 1999-10-16
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Abstract

Abstract A composition suitable for pipe jointing compounds is provided, which composition contains synthetic fibres such as polytetrafluoroethylene (PTFE), fluorinated ethylenepropylene resins (FEP), polyethylene or polypropylene in admixture with a suitable carrier.

Inventors

  • 👤 Herbert William Bentley

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-23 10:31
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/34; C09K; C09K3/00; C09K3/10; C09K3/1025; C09K3/1028; C09K2200/00; C09K2200/02; C09K2200/0243; C09K2200/0252; C09K2200/04; C09K2200/0447; C09K2200/06; C09K2200/0615; C09K2200/0635; C09K2200/0637; C09K2200/068; C09K2200/0685; C09K2200/0692

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 13 words
A pipe jointing composition containing synthetic fibres in admixture with a suitable carrier.
Claim 2
Dependent Claim 13 words
A pipe jointing composition containing synthetic fibres in admixture with a suitable carrier.
Claim 3
Dependent Claim 26 words
The composition as in claim 1, wherein said synthetic fibres are selected from PTFE fibres, FEP fibres, polyolefin fibres or mixtures of one or more thereof.
Claim 4
Dependent Claim 15 words
The composition as in claim 2, wherein said polyolefin fibres are polyethylene or polypropylene fibres.
Claim 5
Dependent Claim 24 words
The composition as claimed in any one of claims 1 - 3, wherein said suitable carrier comprises a liquid diluent and a filler material.
Claim 6
Dependent Claim 58 words
The composition as claimed in any one of claims 1 - 4, comprising: i) from 20 to 50 % by weight of a filler; ii) from 20 to 45 % by weight of a liquid diluent; iii) from 5 to 15 % by weight of synthetic fibres; iv) from 0 to 30 % by weight of PTFE powder.
Claim 7
Dependent Claim 12 words
The composition of claims 4 or 5, wherein said filler is talc.
Claim 8
Dependent Claim 33 words
The composition of any one of claims 4 to 6, wherein said liquid diluent is selected from the following: castor oil, silicon oil, alkyd varnish, long oil phenolics and other synthetic base oils.
Claim 9
Dependent Claim 16 words
A pipe jointing composition substantially as hereinbefore described with reference to any one of the examples.
Claim 10
Dependent Claim 16 words
A pipe jointing composition substantially as hereinbefore described with reference to any one of the examples.

References Cited (Backward Citations)

US1907231A Cited
DE2116846A1 Cited
US4028324A Cited

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