Method of making a mold by spraying metal using a particulate mo

Details Method of making a mold by spraying metal using a particulate mo Method of making a mold by spraying metal using a particulate mo

1992-01-07

1994-03-22

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

With printing or coating of workpiece

Anti-stick or adhesion preventing coating

264131, 264226, 264227, B28B 1106

Patent

active

052961788

ABSTRACT:
A method including: based on a primary mold having a surface pattern identical with that of a composition to be produced, making a secondary mold having a low melting point sprayed metal layer of Zn or the like to which the surface pattern of the primary mold is transferred; next, after carrying out mold-releasing treatment on the secondary mold surface, spraying a high melting point metal such as Ni or the like; reinforcing the back side of the thus-formed high melting point sprayed metal layer with FRP or the like; hardening said FRP or the like; and then, releasing a composition consisting essentially of the high melting point sprayed metal layer and the reinforcing resin layer from the secondary mold.

REFERENCES:
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patent: 3228650 (1966-01-01), Gilliard et al.
patent: 3405212 (1968-10-01), Fraser et al.
patent: 3631745 (1972-01-01), Walkey et al.
patent: 3811175 (1974-05-01), Garner et al.
patent: 3816903 (1974-06-01), Garner
patent: 4231982 (1980-11-01), Jansson
patent: 4777002 (1988-10-01), Putz
Patent Abstracts of Japan, vol. 014, No. 514 (M-1046), Nov. 13, 1990 & JP-A-22 14 618 (Nippon Shokubai KK), Aug. 27, 1990 (Abstract).
Patent Abstracts of Japan, vol. 012, No. 218 (M-711), Jun. 22, 1988 & JP-A-63 017 029 (Nippon Shokubai KK), Jan. 25, 1988 (Abstract).
Patent Abstracts of Japan, vol. 004, No. 045 (M-006), Apr. 9, 1980 & JP-A-55 015 886 (Nakagawa Kogyo KK), Feb. 4, 1980 (Abstract; figures).

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