Pattern for castings and the castings produced therefrom

Details Pattern for castings and the castings produced therefrom Pattern for castings and the castings produced therefrom

1991-07-25

1992-11-24

Zimmerman, John

Stock material or miscellaneous articles

All metal or with adjacent metals

Intermediate article

428599, B22C 700

Patent

active

051660059

ABSTRACT:
The present invention relates to a pattern for castings and the castings produced from the pattern. The pattern comprises a pattern plate including a parting plane, at least one multistage draft and at least one substantial draft extending from the parting plane. A casting having a suitable draft includes corner portions formed by the parting plane.

REFERENCES:
patent: 2424779 (1947-07-01), Townsend
patent: 4719958 (1988-01-01), Schopp et al.

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