Double action punch assembly for hydroforming die

Details Double action punch assembly for hydroforming die Double action punch assembly for hydroforming die

2006-10-31

2006-10-31

Jones, David (Department: 3725)

Metal deforming

By application of fluent medium, or energy field

With cutting

C072S058000, C072S325000, C072S370270

Reexamination Certificate

active

07127924

ABSTRACT:
A double action punch assembly for a hydroforming die includes a first punch segment having an aperture extending therethrough. The double action punch assembly also includes a movable mounting block disposed in the aperture of the first punch segment. The double action punch assembly further includes a plurality of second punch segments connected to the mounting block. The first punch segment is moved in a first action to pierce a tubular member in a first direction and the second punch segments are moved in a second action to pierce the tubular member in a second direction to produce an opening in the tubular member.

REFERENCES:
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patent: 5881992 (1999-03-01), Evertowski et al.
patent: 6305201 (2001-10-01), Ghiran et al.
patent: 6470546 (2002-10-01), Bonny et al.
patent: 6658908 (2003-12-01), Ghiran et al.
patent: 6681611 (2004-01-01), Haag et al.
patent: 6921055 (2005-07-01), Schnabel et al.

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