Method and apparatus for bonding polytetrafluoroethylene to a me

Details Method and apparatus for bonding polytetrafluoroethylene to a me Method and apparatus for bonding polytetrafluoroethylene to a me

1991-08-08

1993-03-30

Gallagher, John J.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

1562724, 156293, 156333, 156378, 277152, 428422, B32B 3100

Patent

active

051980533

ABSTRACT:
Polytetrafluoroethylene (PTFE) is bonded to a metal substrate such as an oil seal casing via an intermediary bonding layer of fluorinated ethylene propylene (FEP). Induction heating is used to rapidly melt the FEP and PTFE without degrading their physical properties. The induction heating unit is preferably controlled by a temperature signal representing the temperature of the metal substrate.

REFERENCES:
patent: 3315348 (1967-04-01), Donovan et al.
patent: 3462333 (1969-08-01), McCormick et al.
patent: 3503823 (1970-03-01), Richart et al.
patent: 3556887 (1971-01-01), Adcock et al.
patent: 3749621 (1973-07-01), Shoffner
patent: 3946136 (1976-03-01), Fitz et al.
Vol. 4, No. 125 (M-30) (607) Sep. 3, 1980, p. 151M30 "Patent Abstracts of Japan", abstract only.

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