Quick change assembly for hydroforming punches

Details Quick change assembly for hydroforming punches Quick change assembly for hydroforming punches

2007-01-09

2007-01-09

Jones, David (Department: 3725)

Metal deforming

By application of fluent medium, or energy field

With cutting

C083S698910, C029S421100

Reexamination Certificate

active

11236066

ABSTRACT:
A punch assembly used with a hydroforming die includes a punch cylinder for mounting to the hydroforming die and having a movable rod. The punch assembly also includes a punch for piercing an opening in a tubular member disposed in the hydroforming die. The punch assembly further includes a quick change assembly interconnecting the rod of the punch cylinder and the punch for allowing the punch to be removably attached to the punch cylinder.

REFERENCES:
patent: 3114280 (1963-12-01), Schott
patent: 3715947 (1973-02-01), Weisbeck et al.
patent: 5996455 (1999-12-01), Haag et al.
patent: 6158122 (2000-12-01), Skudutis
patent: 6260393 (2001-07-01), Engel et al.
patent: 6591648 (2003-07-01), Ash et al.

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