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Title: Threads or fibers of polytetrafluorethylene

Abstract: A method of making threads or fibres of polytetrafluorethylene with improved heat conductibility uses thread of fibre cores enclosed by envelopes which contain fine-particle polytetrafluorethylene, a heat conducting pigment and a binder. Such threads or fibres can be used to form a sealing packing.


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Inventors: Wimmer, Adalbert (Vocklabruck, AT)

Application Number: 858390
Filing Date: 1977-12-07
Publication_date: 1979-08-07
Assignee: Chemiefaser Lenzing Aktiengesellschaft (Lenzing, AT)
Primary Class(es): 428/368 87/1, 277/919, 277/936, 384/300, 427/430.1, 428/378, 428/391, 428/394
Other Classes:
US Patent Ref:
3586597Jun, 1971Okuhashi428/368.
3708335Jan, 1973Fujiwara et al.428/378.
3823035Jul, 1974Sanders428/368.
3844195Oct, 1974Rhodes et al.87/1.
3878031Apr, 1975Dormer277/230.

Other Refs: 1946349
Mar, 1971DE

Primary Examiner: Cannon, J. C.
Assistant Examiner:
Attorney: Brumbaugh, Graves, Donohue & Raymond