TOOLING FOR HOLDING THIN METAL PARTS MAKING UP A HOLLOW STRUCTURE IN ORDER TO ENABLE THEM TO BE FRICTION-WELDED TOGETHER
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United States of America Patent
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app pub date -
Mar 16, 2010
filing date -
Apr 27, 2009
priority date (Note) -
Abandoned
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Abstract
A tooling for holding parts in position to enable them to be friction-welded together in order to construct a hollow structure, the tooling includes: a framework made up of two frames for receiving the parts for welding together in their positions for forming the hollow structure, the parts including preformed parts and an intermediate section; shape-holder members for holding the hollow structure, associating backing thrust members and lateral grip members for gripping the outsides of the preformed parts; anvils suitable for being placed inside the set of preformed parts beside the section; and clamping elements operable to take up a clamping position in which they cause opposing thrust to be applied against the anvil and the inside face of a preformed part, its part itself bears against the shape-holder members.
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