Die head with adjustable mandrel and method

Details Die head with adjustable mandrel and method Die head with adjustable mandrel and method

B - Operations, Transporting

21

C

B21C 37/06 (2006.01) B29C 47/22 (2006.01)

Patent

CA 2172025

A die head for extruding an annular body includes a mandrel having a warp portion with a number of segments spaced around the circumference of the mandrel. Heat is selectively flowed to the segments to warp the mandrel and vary the position of a die pin on the end of a mandrel in the die bushing to control the thickness of the extruded body.

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