Core for use in die casting process

Details Core for use in die casting process Core for use in die casting process

1998-05-15

2000-02-29

Ryan, Patrick

Metal founding

Means to shape metallic material

United particle type shaping surface

164 34, 164 36, 164 5, B22C 910, B22C 912

Patent

active

060297387

ABSTRACT:
A core for use in a die casting process has a wood fiber material as a main ingredient. The core can be disintegrated by exerting an external force subsequent to the die casting process. The core can also be disintegrated by applying a softening agent to soften it subsequent to the die casting process. Further, the core can be made up of a stack of paper layers that are peelably removable from each other.

REFERENCES:
patent: 3817459 (1974-06-01), Keller et al.
patent: 3852232 (1974-12-01), Bowman et al.
patent: 4042410 (1977-08-01), Ito
patent: 4129000 (1978-12-01), Umeda et al.
patent: 4747573 (1988-05-01), Nagashima
patent: 5667191 (1997-09-01), Nemoto
patent: 5702628 (1997-12-01), Nemoto

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