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Document Type and Number:
Japanese Patent JPH0518699
Kind Code:
B2
Abstract:
An end component (3) is spin-welded into the cut end of an extruded tube (1) with the application of axial pressure but without the application of radial pressure to the weld area. The radial forces required to create a weld are provided by hoop stresses which are formed in the tube by shock-cooling the tube as it emerges from the extrusion die. When the tube is cut, the hoop stresses cause the cut end of the tube to contract radially prior to insertion of the end component. To assist in insertion of the end component, a cylindrical skirt thereof (4) is provided with a chamfered end (9).

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Inventors:
MARUKOMU JOOJI KORINZU
REIMONDO BOORUDOIN
Application Number:
JP7016487A
Publication Date:
March 12, 1993
Filing Date:
March 24, 1987
Export Citation:
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Assignee:
CMB FOODCAN PLC
International Classes:
B29C57/00; B29C65/00; B29C65/06; B29D23/20; B29L23/00



 
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