Method of manufacturing a spherical bearing
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United States of America Patent
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-
Jan 18, 2011
Issued Date -
N/A
app pub date -
Apr 15, 2004
filing date -
Apr 16, 2003
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Provided is a method of manufacturing a spherical bearing having an inside member with a metal ball portion and an outside member having a ball support portion enclosing and supporting the ball portion of the inside member and connected to the inside member swingably or rotatably relative to each other, including the steps of performing injection molding in which the ball portion of the inside member is inserted as a core in a mold to mold a resin liner covering the ball portion, molding the outside member covering the resin liner by a casting in which the ball portion and the resin liner are inserted as a core in the mold, and after the completion of the casting, heating the resin liner covering the ball portion through the ball portion of the inside member.
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