METHOD OF FRICTION WELDING AND FRICTION WELDED PART WITH AT LEAST TWO FRICTION WELD POINTS
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United States of America Patent
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app pub date -
Jan 6, 2009
filing date -
Feb 29, 2008
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Abandoned
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Abstract
A method of friction welding a first part to a second part of a component having a hollow space in which the internal connection surface of the first part to be welded is reciprocally arranged with an internal connection surface of the second part to be friction welded, so that they form a unsymmetrical contact area, so that the resulting weld of the first and the second parts produces a weld bead that is located predominantly outside of the hollow space. The unsymmetrical contact area can be formed by a chamfer, angled edge surfaces that produce, for example, a wedge-shaped space, or partially matched, inter-fitting surfaces that remain out of contact at sides facing the hollow space.
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