Method of manufacturing rust-preventing cover

Details Method of manufacturing rust-preventing cover Method of manufacturing rust-preventing cover

1997-01-22

2000-04-25

Silbaugh, Jan H.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156300, 264 87, 264101, 264115, 264DIG69, B28B 126

Patent

active

060539984

ABSTRACT:
A method of manufacturing a rust-preventing cover in which sufficient strength during mounting is ensured and which can be easily removed when not needed. The method of manufacturing a rust-preventing cover is carried out by a WFM manufacturing method rather than a conventional DFM manufacturing method. A mixed aqueous solution having paper fibers as a main material thereof is stored in a water tank. A porous rust-preventing cover mold is immersed therein. Then, the mixed aqueous solution is sucked by a vacuum pump. In this way, a paper fiber surface layer, which later becomes a rust-preventing cover, is formed on a surface of a mold main body of the rust-preventing cover mold at portions to which masking has not been applied. By adjusting a suction time of the vacuum pump, a rust-preventing cover of an arbitrary thickness which corresponds to a thickness required during mounting can be obtained. Further, because breakage strength of the rust-preventing cover is based on bonding of paper fibers, the rust-preventing cover can be broken and removed easily.

REFERENCES:
patent: 4204907 (1980-05-01), Korkian et al.
patent: 4363770 (1982-12-01), Philips

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