B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 25/08 (2006.01) B32B 1/08 (2006.01) B32B 5/32 (2006.01)
Patent
CA 2317669
A flexure endurant composition of an elastomer reinforced with a continuous phase of microporous, expanded polytetrafluoroethylene (ePTFE) having a ratio of elastomer to PTFE of approximately 1:1 to 50:1 on a volume basis. The composite is prepared by a coating process and the final articles are prepared by molding or vulcanizing. Such materials can be used to fabricate pump tubing, pump diaphragms, gaskets, bellows and other mechanical devices.
L'invention concerne une composition résistante aux flexions constituée d'un élastomère renforcé au moyen d'un phase continue de polytétrafluoroéthylène expansé (PTFEe) microporeux dont le rapport entre l'élastomère et le PTFE se situe entre environ 1:1 et 50:1 en volume. Ce composite est préparé au moyen d'un procédé de revêtement et les articles finaux sont préparés par moulage ou vulcanisation. Ces matières peuvent être utilisées dans la fabrication de tuyauteries de pompe, de membranes de pompe, de joints, de soufflets et d'autres dispositifs mécaniques.
Muller Jason William
Zumbrum Michael Allen
Gore Enterprise Holdings Inc.
Gowling Lafleur Henderson Llp
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