Plastic article or earthenware shaping or treating: apparatus – Shaping surface including means to release or remove product... – By differential gas pressure ejecting means
Patent
1987-11-25
1989-08-08
Woo, Jay H.
Plastic article or earthenware shaping or treating: apparatus
Shaping surface including means to release or remove product...
By differential gas pressure ejecting means
249127, 264313, 264314, 425439, 425440, 425DIG14, 425DIG44, B28B 1302
Patent
active
048548430
ABSTRACT:
Apparatus for producing cast products which include a filling unit wherein elastic moulds of open-bag shape are filled with non-solid materials, a solidifying unit wherein the materials are allowed to solidify in the elastic moulds, and a withdrawal unit wherein the solidified materials are withdrawn from the inside of the elastic moulds in the filling unit, the elastic mould is positioned under a vacuum when filling starts. The apparatus provides cast products without mould joint marks, low mould production costs and prevention of mould breakage as well as a great degree of production simplification.
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Hayashi Toshihiro
Kohno Hiroshige
Takeda Satoru
Asahi Denka Kogyo K. K.
Bushey C. Scott
Woo Jay H.
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