B - Operations – Transporting – 22 – C
Patent
B - Operations, Transporting
22
C
B22C 9/10 (2006.01) B22C 7/06 (2006.01) F02F 1/24 (2006.01)
Patent
CA 2080318
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.
Finlayson & Singlehurst
International Engine Intellectual Property Company Llc.
Navistar International Transportation Corp.
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