Masking tape

Details Masking tape Masking tape

1995-11-06

1999-02-02

Chen, Vivian

Stock material or miscellaneous articles

All metal or with adjacent metals

Having metal particles

428551, 428566, 428622, 428623, 428624, 428626, 428629, 428632, 428668, 428678, 428679, 428680, 428681, 428682, 4283171, 4283175, 4283177, 4283179, 428328, 428421, B32B 522, B32B 526, B32B 530, B32B 532

Patent

active

058677623

ABSTRACT:
A masking tape for preventing the formation of coatings such as nickel aluminide on localized areas of a surface is formed from a tape comprising a first separating layer containing powdered metal oxide and a polytetrafluoroethylene binder; a second brazing alloy layer comprising a metal selected from the group consisting of brazing alloy, nickel, cobalt, iron, mixtures thereof, and alloys thereof in a fibrillated polytetrafluoroethylene binder; and an optional third layer comprising a powdered metal selected from the group consisting of nickel, cobalt, and iron in a fibrillated polytetrafluoroethylene binder.

REFERENCES:
patent: 4128522 (1978-12-01), Elam
patent: 4194040 (1980-03-01), Breton et al.
patent: 4228214 (1980-10-01), Steigelman et al.
patent: 4845139 (1989-07-01), Baldi

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