Device for the selective and progressive locking of metal...

Details Device for the selective and progressive locking of metal... Device for the selective and progressive locking of metal...

2005-06-21

2009-12-15

Tolan, Edward (Department: 3725)

Metal deforming

By use of tool acting during relative rotation between tool...

Tool orbiting or rotating about an axis

C072S094000, C072S466900

Reexamination Certificate

active

07631529

ABSTRACT:
A device (10) for selective and progressive locking of metal containers (18) to be submitted to mechanical deformations along an extended part of side surface and provided at the bottom by a notch (20), the device having: a circular plan support (12) with an end forming a housing mouthpiece (14) of a containing body (16); a shaped and mobile ring (22) eventually cooperating with an annular seal or membrane (24) placed at the mouthpiece wherein the containers (18) are inserted starting from their respective bottom. A centering collar (26) defines the mouthpiece wherein the containers (18) are inserted and which surrounds the seal (24); a centering ring (30) whose anterior front is directed towards the containers (18) presents a complementary arrangement to the containers themselves bottom periphery and provided with a plurality of through holes; a pusher (32) tensioned by an helical spring (34), placed along the device longitudinal axis (10); means apt to realize a perfect adherence with the container (18) bottom provided with a notch (20).

REFERENCES:
patent: 4294097 (1981-10-01), Gombas
patent: 5469729 (1995-11-01), Hager
patent: 6131761 (2000-10-01), Cheng et al.
patent: 6237388 (2001-05-01), Mc Clung et al.
patent: 6490904 (2002-12-01), Zauhar
patent: 6546773 (2003-04-01), Hanafusa et al.
patent: 2002/0000028 (2002-01-01), Jamison et al.
patent: 1 216 844 (1990-03-01), None
International Search Report Nov. 15, 2006.

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