Welding of filled sintered polytetrafluoroethylene

Details Welding of filled sintered polytetrafluoroethylene Welding of filled sintered polytetrafluoroethylene

1989-08-21

1991-02-05

Thurlow, Jeffery

Plastic and nonmetallic article shaping or treating: processes

With severing, removing material from preform mechanically,...

Surface finishing

156153, 156158, 1563045, 1563046, 264248, 264348, 264338, 264127, 425DIG55, B29C 6502

Patent

active

049902962

ABSTRACT:
A method for welding together filled sintered polytetrafluoroethylene components. The ends of the components to be welded are carefully tapered to form reverse mated surfaces and then assembled in position to be welded. The actual welding step is carried out under heat and pressure followed by cooling under pressure. The process is particularly useful in the fabrication of very large gaskets or other very large planar objects.

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patent: 4364884 (1982-12-01), Traut
patent: 4701291 (1987-10-01), Wissman
patent: 4780161 (1988-10-01), Mizuhara

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