Metal mold structure and casting method

Details Metal mold structure and casting method Metal mold structure and casting method

2011-02-11

2011-12-27

Ward, Jessica L (Department: 1735)

Metal founding

Process

Shaping liquid metal against a forming surface

C249S118000

Reexamination Certificate

active

08082974

ABSTRACT:
Object: To provide a small-sized, durable metal mold structure capable of casting two cylinder blocks at a time.Solution: A metal mold structure for casting two cylinder blocks W at a time, comprises left and right inner slide cores5a, 5bbeing interposed between two cylinder blocks W, hydraulic cylinder units10, 11adapted to move each of these left and right inner slide cores5a, 5b, inclined holes12, 13being provided in each of the left and right inner slide cores5a, 5b, and inclined pins14, 15being provided on a fixed mold2and inserted into the inclined holes12, 13with a predetermined clearance C1, C2maintained respectively, wherein, when the fixed mold2is operated, each of the inclined pins14, 15pushes a wall surface of the inclined hole12, 13in such a way as to move the left and right inner slide cores5a, 5bin a mold opening direction respectively. Preferably, the clearances C1, C2are different with respect to the left and right inner slide cores5a, 5b.

REFERENCES:
patent: 61-095741 (1986-05-01), None
patent: 2007-152382 (2007-06-01), None

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