Center support punch assembly for hydroforming die

Details Center support punch assembly for hydroforming die Center support punch assembly for hydroforming die

2006-09-12

2006-09-12

Jones, David B. (Department: 3725)

Metal deforming

By application of fluent medium, or energy field

With cutting

C072S370260, C029S421100, C083S053000

Reexamination Certificate

active

07104099

ABSTRACT:
A center support punch assembly for a hydroforming die includes a center support member for fixed attachment to a die. The center support punch assembly also includes a button disposed about and space from the center support member for fixed attachment to the die. The center support punch assembly further includes a plunger movable relative to the center support member to allow fluid within a tubular member to force a wall portion of the tubular member outward against the center support member and be sheared by the button to produce an opening in the tubular member.

REFERENCES:
patent: 5398533 (1995-03-01), Shimanovski et al.
patent: 5996455 (1999-12-01), Haag et al.
patent: 6006566 (1999-12-01), Huelsberg et al.
patent: 6401507 (2002-06-01), Krcek et al.
patent: 6672120 (2004-01-01), Ghiran et al.
patent: 6681611 (2004-01-01), Haag et al.

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