Method and apparatus for casting vehicle wheels having lightener

Details Method and apparatus for casting vehicle wheels having lightener Method and apparatus for casting vehicle wheels having lightener

1994-05-02

1995-06-27

Batten, Jr., J. Reed

Metal founding

Process

Shaping liquid metal against a forming surface

164137, 164340, 164342, 164345, 249 56, B22C 928, B22D 2900, B22D 3304

Patent

active

054271711

ABSTRACT:
The apparatus includes a wheel mold that has a top segment having a plurality of openings formed therethrough. Movable cores are carried in the top segment openings. A mechanism is mounted on the top segment to alternately extend the cores into the mold cavity and retract the cores into the openings. To form a wheel, the movable cores are extended and molten metal is introduced into the mold cavity. The movable cores form recesses in the resulting wheel casting. After casting has cooled sufficiently, the movable cores are retracted from the recesses allowing the top segment to be withdrawn from the wheel casting. The casting is then removed from the mold.

REFERENCES:
patent: 4301856 (1981-11-01), DiRosa
patent: 4420190 (1983-12-01), Rohr
patent: 4436133 (1984-03-01), Rohr
patent: 4861113 (1989-08-01), Imamura et al.
patent: 4958676 (1990-09-01), Kuntz
patent: 5311918 (1994-05-01), Scott

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