Trim and pierce press assembly and method of use

Details Trim and pierce press assembly and method of use Trim and pierce press assembly and method of use

2008-04-11

2011-12-06

Ekiert, Teresa (Department: 3725)

Metal deforming

By use of closed-die and coacting work-forcer

With stripping or ejecting from tool

C072S356000, C072S427000

Reexamination Certificate

active

08069698

ABSTRACT:
A press assembly including a die assembly having a trim die defining an annular cavity wherein the trim die is fixed to the press assembly, a punch assembly including a trim punch having an annular boss that is correspondingly shaped to the annular cavity, wherein the trim punch is movable relative to the die assembly, and an ejector assembly including an ejector arm, wherein the ejector arm is mounted to the punch assembly. The object is pressed into the annular cavity of the trim die by the annular boss of the trim punch when the annular boss is slidably received in the annular cavity, and the ejector arm pushes the object upwardly within the annular cavity of the trim die when the annular boss of the trim punch is removed from the annular cavity.

REFERENCES:
patent: 3675459 (1972-07-01), Dohmann
patent: 3887978 (1975-06-01), Dohmann
patent: 4299112 (1981-11-01), Kondo et al.
patent: 4433568 (1984-02-01), Kondo
patent: 4761867 (1988-08-01), Vollmer et al.
patent: 4798077 (1989-01-01), Douglas
patent: 4856167 (1989-08-01), Sabroff et al.
patent: 5516376 (1996-05-01), Tsukamoto et al.
patent: 5722164 (1998-03-01), Bernet
patent: 6370931 (2002-04-01), Bennett
patent: 6711817 (2004-03-01), Kotani
patent: 7000444 (2006-02-01), Roeske et al.
patent: 7188420 (2007-03-01), Fisher et al.

Affiliated with

Also associated with

Rating

Trim and pierce press assembly and method of use does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Trim and pierce press assembly and method of use, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Trim and pierce press assembly and method of use will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4262454