Pneumatic core press

Details Pneumatic core press Pneumatic core press

B - Operations, Transporting

30

B

18/1199, 18/1205

B30B 11/00 (2006.01) B22C 7/00 (2006.01) B22C 9/10 (2006.01)

Patent

CA 1039913

Abstract of the Disclosure Apparatus includes a rigid mold body and an expandable bladder associated therewith. The bladder is inflatable and expandable to form and press sand core material between itself and the mold body while exerting uniform compressive force over the total surface area of the core material thereby forming a portion of a hollow core of precise external dimension and uniform overall strength.

201050

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