PRODUCTION METHOD FOR WATER JACKET SPACER
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United States of America Patent
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Jan 14, 2016
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Jan 16, 2015
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Abstract
A method for producing a water jacket spacer includes using an injection mold that forms a molding space, the molding space producing an integrally molded product that includes at least a first water jacket spacer, a second water jacket spacer, and a bridge, the first water jacket spacer and the second water jacket spacer being provided so that the inner sides thereof are situated opposite to each other, and the bridge linking the inner side or the end of the first water jacket spacer, and the inner side or the end of the second water jacket spacer. The method for producing a water jacket spacer can produce a water jacket spacer having a shape that corresponds to half or part of half of the groove-like coolant passage along the circumferential direction by means of injection molding while preventing the occurrence of an adhesion-to-slide phenomenon when the mold is opened.
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