CONNECTING ELEMENT FOR A FRICTION-WELDED CONNECTION FOR CONNECTING AT LEAST TWO PANEL-LIKE COMPONENTS
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United States of America Patent
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app pub date -
Jun 21, 2011
filing date -
Jun 23, 2010
priority date (Note) -
Abandoned
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Abstract
The invention relates to a connecting element (1) for a friction-welded connection for connecting at least two panel-like components (8,9), comprising a rotating and pressurised mandrel (2, 13), the length of which is adapted to the thickness of the upper component(s) (7, 8) in order to penetrate the upper components(s) (7, 8), and which has a polygonal noncircular profile having rounded corner regions (5a, 5b). The noncircular profile has a thread-like design and has a pitch, the length of which is shorter than a complete thread turn.
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