Metal founding – Means to shape metallic material – Including means to assemble mold parts
Patent
1984-02-22
1987-01-20
Bray, W. D.
Metal founding
Means to shape metallic material
Including means to assemble mold parts
164306, 164348, 249135, B22D 1726
Patent
active
046374515
ABSTRACT:
A die casting metal hald mold comprising a front wall incorporating a die casting area, side walls extending rearwardly from the front wall, a backing member closing the base of said side walls, means to fasten the backing member to the bottom of said side walls, the front wall, side walls and backing member forming a high pressure heat exchange cavity, a valve for introducing fluid under pressure into said high pressure heat exchange cavity and a valve for releasing gas under pressure from said high pressure heat exchange cavity.
REFERENCES:
patent: 473382 (1892-04-01), Clark
patent: 1556642 (1925-10-01), Smith
patent: 2134829 (1938-11-01), McWane
patent: 2295858 (1942-09-01), McWane
patent: 2313004 (1943-03-01), Pritchard
patent: 2313253 (1943-03-01), McWane
patent: 2387803 (1945-10-01), McWane
patent: 3454988 (1969-07-01), Cremer
patent: 3760864 (1973-09-01), Kirby
patent: 3921707 (1975-11-01), Killion et al.
Perrella Guido
Thompson William E.
Bray W. D.
DBM Industries Limited
Hellwege James W.
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