Expansion tool for expanding tube ends and pressing device...

Details Expansion tool for expanding tube ends and pressing device... Expansion tool for expanding tube ends and pressing device...

2006-06-27

2006-06-27

Tolan, Ed (Department: 3725)

Metal deforming

By application of fluent medium, or energy field

Using fixed die

C072S058000, C072S370080, C072S453140, C072S466800, C029S523000

Reexamination Certificate

active

07065995

ABSTRACT:
The invention relates to an expansion tool for expanding tube ends. The expansion tool has an expansion mandrel and a counter-support, said expansion mandrel consisting of a tow-bar and an elastic rubber expansion element surrounding it. The counter-support supports the expansion element on the base extremity and radially surrounds it at a distance. In order to improve an expansion tool of the above-described kind, the tow-bar is anchored in a bolt fastening element and the counter-support can be impinged upon via a pressure bar element that projects beyond the bolt fastening element in the longitudinal direction of the tow-bar.

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patent: 04367336 (1992-12-01), None

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