B - Operations – Transporting – 22 – C
Patent
B - Operations, Transporting
22
C
B22C 9/06 (2006.01) B22D 15/02 (2006.01) F02F 3/00 (2006.01)
Patent
CA 2101003
A piston casting mold for casting all pistons in a single series with little weight variation one from the next, wherein spacers of fixed dimensions are employed to locate a dome-forming core of the mold a fixed distance from a stationary portion of the mold from one casting to the next. Increasing or decreasing the dimensions of the spacer permits increasing or decreasing the as-cast weight of the piston.
La présente invention vise un moule permettant de mouler des pistons en série en n'admettant qu'une légère variation de poids entre chacun, et comprenant des cales d'espacement de dimensions fixes destinées à maintenir une distance fixe entre le noyau de forme arrondie du moule et une portion stationnaire de ce dernier, d'une coulée à l'autre. En augmentant ou en diminuant la dimension des espaceurs, on peut augmenter ou diminuer proportionnellement le poids de coulée des pistons.
Parsley Clovis Lee
Preiser Roland Martin
General Motors Corporation
Gowling Lafleur Henderson Llp
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