Title:
CASTING METHOD AND MOLD
Document Type and Number:
Japanese Patent JP2984826
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To prevent the development of metal penetration and shrinkage cavity.
SOLUTION: An aluminum foil 15 is stuck on recessed parts 10, 11 of an upper die 2 and a lower die 11 and also on sand core surface positions 12, 13 faced to the recessed parts 10, 11 with adhesives. At the time of pouring molten aluminum 16 into a cavity 7 in a mold 5, the molten aluminum 16 filled up into the cavity thick parts 8a, 8b is uniformly and rapidly cooled and solidified with the aluminum foil 15 stuck to the recessed parts 10, 11 and the sand core surface positions 12, 13 and the shrinkage cavity is not developed.
Inventors:
NAKAMURA MOTOSHI
IWATA JUNJI
IWATA JUNJI
Application Number:
JP16811996A
Publication Date:
November 29, 1999
Filing Date:
May 24, 1996
Export Citation:
Assignee:
AISHIN TAKAOKA KK
International Classes:
B22D15/00; B22C9/00; B22C9/02; B22D27/04; (IPC1-7): B22C9/00; B22C9/02
Domestic Patent References:
| JP5968631U |