Welding method for outer joint member of constant velocity universal joint, and outer joint member
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United States of America Patent
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Aug 29, 2017
Issued Date -
N/A
app pub date -
Oct 19, 2012
filing date -
Nov 8, 2011
priority date (Note) -
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Abstract
A welding method for an outer joint member of a constant velocity universal joint includes constructing a cup section having track grooves, which engage with torque transmitting elements, formed along an inner periphery thereof and a shaft section that is formed on a bottom portion of the cup section by two or more separate members, joining a cup member forming the cup section and a shaft member forming the shaft section, and melt-welding end portions of the cup member and the shaft member. The cup member and the shaft member are shaped so that a sealed hollow cavity portion is formed when the end portions of the cup member and the shaft member are brought into abutment against each other, the melt-welding of the end portions being performed when the sealed hollow cavity portion is under atmospheric pressure or lower.
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