Foam pattern assembly for use in evaporative casting process

Details Foam pattern assembly for use in evaporative casting process Foam pattern assembly for use in evaporative casting process

1985-09-05

1987-02-03

Godici, Nicholas P.

Metal founding

Means to shape a forming surface

Pattern

164 34, 164 45, 164249, B22C 702

Patent

active

046403337

ABSTRACT:
The pattern assembly is comprised of: (a) mating first and second clamshell-shaped foam members, the first and second foam members meeting along exteriorly exposed joint margins defined by mateable surfaces extending along opposite sides of each of the members; (b) at least one other foam member nestable totally within the mated assembly of the first and second members and nestable without joint margins exposed to the exterior of the mated assembly; (c) surfaces enclosed within the mated assembly for piloting the first, second and other member into mating relationship; and (d) adhesive material bonding the first and other members together and bonding the second member to the assembly of the first and other member.

REFERENCES:
patent: 3635280 (1972-01-01), Parsons
patent: 3675708 (1972-07-01), Blazek
patent: 4078598 (1978-03-01), Kelso et al.
patent: 4190093 (1980-02-01), Kearney et al.
patent: 4243093 (1981-01-01), Nieman

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