Method for maintaining precise suction strip porosities

Details Method for maintaining precise suction strip porosities Method for maintaining precise suction strip porosities

1988-07-22

1989-07-25

Dawson, Robert A.

Adhesive bonding and miscellaneous chemical manufacture

Differential fluid etching apparatus

With microwave gas energizing means

244133, 427272, B32B 3116

Patent

active

048510718

ABSTRACT:
A masking method which precisely controls porosity of a perforated titanium sheet having suction strips of a defined width includes separately taping suction strip areas and bonding land areas and then applying a coating of maskant material over the tape in the vicinity of the suction strips. Gaps formed on opposite sides of the suction strips are filled with the same maskant material and the bonding land tapes are removed after the masking material is semi-cured. The entire aerodynamic surface of the titanium sheet is covered with strips of tape and overlapping pieces of tape form seams in the vicinity of the bonding surface margins.

REFERENCES:
patent: 3046175 (1962-07-01), Bowman
patent: 3063873 (1962-11-01), Saroyan
patent: 3139352 (1964-06-01), Coyner
patent: 3212949 (1965-10-01), Thompson
patent: 4122225 (1978-10-01), Holmstrom et al.
patent: 4269882 (1981-05-01), Carrillo et al.
patent: 4587186 (1986-05-01), Nakamura et al.
patent: 4780159 (1988-10-01), Riel

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