Joining assembly including a plastic support member and a plastic threaded element
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United States of America Patent
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app pub date -
Mar 24, 2008
filing date -
Apr 30, 2004
priority date (Note) -
Abandoned
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Abstract
A threaded element of plastic material for a joining assembly has a uniquely formed thread profile of a small profile angle between 30.degree. and 50.degree. and a rounded crest of a relatively large radius of curvature. The gap between the revolutions of the thread is of a volume which exceeds that of the thread. In order to provide for a specific cutting geometry of the thread profile the threaded element comprises a plurality of angular segments which are radially offset with respect to each other such that adjacent angular segments provide cutting edges. Furthermore, a tool and a method for making such a joining assembly are disclosed.
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