Radial compression mechanism with optimum die-to-die gap

Details Radial compression mechanism with optimum die-to-die gap Radial compression mechanism with optimum die-to-die gap

2011-06-21

2011-06-21

Sullivan, Debra M (Department: 3725)

Metal deforming

By three or more coacting relatively movable tools

Concurrently actuated tools

C072S482920, C029S282000, C029S283500

Reexamination Certificate

active

07963142

ABSTRACT:
Radial compression mechanism includes a plurality of dies each having an elongated arcuate body with an outer end pivotally attached to a hinge plate and an inner working tip. The dies are mounted on the hinge plate in an inwardly spiraling orientation with the outer ends positioned in a circle and the working tips cooperating to define a central product-receiving cylindrically-shaped cavity. The product-receiving cavity is transitional between an open and a closed orientation. The working tip of each die has a sliding surface and a working surface with the sliding surface positioned in parallel juxtaposition to the working surface of an adjacent die and a constant width gap therebetween. Driving mechanism is coupled to rotatably drive all of the dies in unison to transition between open and closed orientations. The width of the gap remains constant during transition and between the open and closed orientations.

REFERENCES:
patent: 3203078 (1965-08-01), Ustin
patent: 6651478 (2003-11-01), Kokish
patent: 7021114 (2006-04-01), Perreault
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patent: 7284401 (2007-10-01), Larson et al.
patent: 7308748 (2007-12-01), Kokish
patent: 7407377 (2008-08-01), Motsenbocker et al.
patent: 2002/0035774 (2002-03-01), Austin
patent: 2007/0056346 (2007-03-01), Spenser et al.

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