Two cycle cylinder block foam pattern

Details Two cycle cylinder block foam pattern Two cycle cylinder block foam pattern

1985-05-01

1986-12-30

Godici, Nicholas P.

Metal founding

Process

Shaping a forming surface

164 34, 164235, B22C 702

Patent

active

046321691

ABSTRACT:
A foam mold pattern for making an engine block in a lost foam casting process, the pattern comprising an upper portion including a cylinder bore upper portion, and an upper portion of an exhaust port and an upper portion of an inlet port communicating with the cylinder bore upper portion, and a lower portion including a cylinder bore lower portion and being attached to the pattern upper portion such that the cylinder bore lower portion is aligned with the cylinder bore upper portion.

REFERENCES:
patent: 3459253 (1969-08-01), Woolcott
patent: 3858562 (1975-01-01), Lanpheer
patent: 3938481 (1976-02-01), Morton
patent: 4026254 (1977-05-01), Ehrlich
patent: 4093018 (1978-06-01), Trumbauer
patent: 4176650 (1979-12-01), Noguchi et al.
patent: 4190093 (1980-02-01), Kearney
patent: 4197899 (1980-04-01), Ernest
patent: 4328770 (1982-05-01), Hale
patent: 4462453 (1984-07-01), Trumbauer

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