Metal founding – Process – Shaping a forming surface
Patent
1992-07-14
1993-07-27
Batten, Jr., J. Reed
Metal founding
Process
Shaping a forming surface
164159, 164186, 164232, B22C 910, B22C 706
Patent
active
052303780
ABSTRACT:
A one-piece water jacket core for an internal combustion engine is formed by providing a first core box portion and a second core box portion adapted for assembly and formation of the one-piece water jacket core. The first core box portion includes a first cavity adapted to form a lower portion of the one-piece water jacket core and the second core box portion includes a second cavity adapted to form an upper portion of the one-piece water jacket core. A plurality of movable members are pivotally carried adjacent to, and preferably by, one of the core box portions. Each of the pivotal movable members includes a portion adapted to form a water jacket port and to be pivoted, after assembly of the first and second core box portions, to a position forming one of the water jacket ports in the one-piece water jacket core. The invention is particularly adapted for the formation of one-piece water jacket cores with a cold-cure process.
REFERENCES:
patent: 2901792 (1959-09-01), Covitt
patent: 3060534 (1962-10-01), Enzenbacher
patent: 4248288 (1981-02-01), Michelson
patent: 4830082 (1989-05-01), Bellis et al.
Batten, Jr. J. Reed
Navistar International Transportation Corp.
Sullivan Dennis K.
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