BLIND INSTALLED EXPANDABLE COLLAR AND THREADED INNER MEMBER
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United States of America Patent
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Issued Date -
Feb 17, 2011
app pub date -
May 15, 2008
filing date -
May 15, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An expandable kit (110) that includes an inner member (114), an outer collar (116), and an expandable member (112). The expandable member can be used to cold work an opening of a workpiece (130) and induce expansion of the outer collar in order to retain the outer collar. A method of installing the kit that includes passing a tapered portion of a mandrel through the expandable member to radially expand the expandable member into the structural workpiece. The outer collar is moved axially over the expandable member until the workpiece is compressed or captured between the expanded portion of the outer collar and a retaining end of the expandable member. The inner member is pulled into the expandable member.
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