Coating processes – Nonuniform coating – Edge or border coating
Patent
1989-03-10
1990-12-11
Lawrence, Evan
Coating processes
Nonuniform coating
Edge or border coating
427286, 4274301, 427435, 118416, 118503, B05D 500, B05D 118, B05C 300
Patent
active
049769987
ABSTRACT:
A method and apparatus for providing to an anti-rust treatment a peripheral portion a shell such as is associated with a brake booster and which comprises a pair of cylindrical members disposed in abutting relationship with each other and fastened together by a staking operation which occurs by applying a shearing action to the periphery of the abutting members at a plurality of locations. The substantially cylindrical shell is held at an angle with respect to the horizontal, and then driven for rotation. A vehicle containing an anti-rust paint is disposed below the rotating shell, and the shell is positioned so that its axis of rotation does not intersect the vessel. As the shell rotates, the shear-staked peripheral portion of the shell is successively brought into dipping relationship with the paint.
REFERENCES:
patent: 2195671 (1940-04-01), Ferngren
patent: 3158930 (1964-12-01), Wesstrom et al.
patent: 4296680 (1981-10-01), Ohta et al.
patent: 4794849 (1989-01-01), Kobayashi
patent: 4811653 (1989-03-01), Kobayashi et al.
U.S. Ser. No. 315,807 entitled Booster, (9 pages of text and 2 pages of drawings).
Morimitu Yasumasa
Yamashita Shinichi
Jidosha Kiki Co. Ltd.
Lawrence Evan
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