Method and apparatus for closing the end of an extruded tube...

Details Method and apparatus for closing the end of an extruded tube... Method and apparatus for closing the end of an extruded tube...

B - Operations, Transporting

21

C

205/22

B21C 23/08 (2006.01) B21C 29/00 (2006.01) B21C 35/02 (2006.01)

Patent

CA 1084875

ABSTRACT OF THE DISCLOSURE In the direct extrusion of tubing wherein the ex- truded tube or tubing is immediately submerged into water after extrusion and having a closed leading end, the trail- ing end thereof in the extrusion press is sealed off from the entrance of air and/or water by a crimping device consist- ing of a tool having a rounded front end which engages and forces through the operation of a piston cylinder assembly one wall inwardly of the trailing end against an opposed wall to form a collapsed double wall cross section.

293940

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