Die assembly for squeeze casting of metals
AssigneeNippon Light Metal Research Laboratory Ltd.
InventorsIkuo Yanagisawa, Toshiyuki Kawai
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Abstract
A die assembly for squeeze casting of metals wherein a tubular reinforcing die is set on a base, a forming die consists of split dies is inserted in internal contact with the reinforcing die and the surface in internal contact with the reinforcing die is tapered so as to be narrower downward so that, in case a downward force is applied by a sealing die to a molten metal poured into the forming die, the split dies may be pushed in downward along the tapered surface to prevent the molten metal from spitting out.
Claims5
In a squeeze casting apparatus for metals wherein a molten metal is poured into a forming die provided on a base, the die is sealed, and the metal is solidified while pressure is applied thereto in a generally vertical direction, the improvement wherein said forming die is a die assembly comprising a tubular reinforcing metal mold set on a base said tubular reinforcing mold having a downwardly tapering inner bore;
- and a forming die disposed within the bore of said mold and having its exterior surfaces extending in mating tapering relation to said tapered bore wall, said forming die being formed of at least two sections joined together along generally vertical abutting surfaces and defining therewithin a die cavity for said molten metal, whereby said mating tapering surfaces on said mold and die act in response to said applied pressure to urge said die forming sections into intimate contact to prevent metal spillage between said die sections.
Dependencies are inferred from the claim text.