METHOD OF MANUFACTURING BEARING HOLDER
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United States of America Patent
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app pub date -
Mar 11, 2016
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Mar 13, 2015
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Abstract
A bearing holder is to be formed by injecting a melted resin, from a plurality of resin injection gates provided at a peripheral edge portion of a substantially annular cavity formed in a molding die, into the cavity. At least one column portion is provided with a resin reservoir capable of reserving therein the melted resin. A cross-sectional area of a communication portion of the resin reservoir configured to communicate with the column portion is equal to or smaller than ¼ of a cross-sectional area of the resin injection gate.
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