Pattern assembly

Details Pattern assembly Pattern assembly

1976-03-05

1978-08-29

Husar, Francis S.

Metal founding

Means to shape a forming surface

Pattern

164 35, B22C 702

Patent

active

041096991

ABSTRACT:
A pattern assembly for use in the lost pattern process of investment casting characterized by a center tree or sprue member including a central stem and a plurality of laterally projecting collars spaced apart along the stem and united therewith to provide the surface area for gating the patterns, the cross-sectional size of the stem being greater than the projecting width of the collar, whereby the stem serves to form a riser.

REFERENCES:
patent: 2666239 (1954-01-01), Farrell
patent: 2875485 (1959-03-01), Schneider
patent: 3041688 (1962-07-01), Wilder
patent: 3041689 (1962-07-01), Peras
patent: 3283376 (1966-11-01), Hockin
patent: 3669177 (1972-06-01), Ingalls

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