Tool for piercing nut

Details Tool for piercing nut Tool for piercing nut

2007-09-18

2007-09-18

Omgba, Essama (Department: 3726)

Metal working

Means to assemble or disassemble

Means to drive self-piercing work part

C029S787000, C029S788000, C029S818000

Reexamination Certificate

active

10526719

ABSTRACT:
A tool for piercing nuts that includes a die part, a punch part and a piercing nut feeder incorporated into the punch part. The piercing nut feeder is adapted to feed piercing nuts into a piercing nut holder in the punch part so that these nuts, when the punch part is pressed against the die part by a press, are to punch holes in and be attached to a metal sheet inserted between the punch part and the die part. A gas spring is arranged between the press and the punch part, which gas spring has at least one cylinder and a piston which is movably arranged in said cylinder and which is aligned with the press. The pressure in the cylinder to adjust the pressure exerted upon the piercing nut by the punch part.

REFERENCES:
patent: 3405436 (1968-10-01), Koett
patent: 3811171 (1974-05-01), Grube
patent: 3946479 (1976-03-01), Goodsmith et al.
patent: 3961408 (1976-06-01), Goodsmith et al.
patent: 3969808 (1976-07-01), Goodsmith et al.
patent: 3971116 (1976-07-01), Goodsmith et al.
patent: 4384667 (1983-05-01), Smallegan et al.
patent: 4442584 (1984-04-01), Smallegan
patent: 4570839 (1986-02-01), Cox et al.
patent: 4785529 (1988-11-01), Pamer et al.
patent: 4911592 (1990-03-01), Muller
patent: 5657536 (1997-08-01), Shinjo
patent: 6021562 (2000-02-01), Boster et al.
patent: 6442830 (2002-09-01), Vrana
patent: 6474454 (2002-11-01), Matsumoto et al.
patent: 6631827 (2003-10-01), Goodsmith et al.
patent: 6925698 (2005-08-01), Goodsmith et al.
patent: 6957483 (2005-10-01), Woods
patent: 6993831 (2006-02-01), Vrana
patent: 196 16 475 (1997-07-01), None
patent: 11 070480 (1999-03-01), None
patent: WO 2004022281 (2004-03-01), None

Affiliated with

Also associated with

Rating

Tool for piercing nut does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Tool for piercing nut, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Tool for piercing nut will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3762950