Rolling-circle machine

Details Rolling-circle machine Rolling-circle machine

2011-01-11

2011-01-11

Tolan, Edward (Department: 3725)

Metal deforming

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

During rotation of work

C072S469000, C072S481300, C470S185000

Reexamination Certificate

active

07866197

ABSTRACT:
A rolling-circle machine for rolling a workpiece includes at least one first rolling portion, a second rolling portion connected to the first rolling portion, and at least one adjusting screw. The first rolling portion includes one or more first concaved sections for rolling the workpiece and at least a through hole. The second rolling portion includes one or more second concaved sections for rolling the workpiece. The second concaved section forms one or more rolling slots in cooperation with the first concaved section. The adjusting screw includes a threaded post passing through the through hole of the first rolling portion and one end of the threaded post is fixed in the second rolling portion. The adjusting screw is configured for adjusting a distance between the first and the second rolling portion to roll workpieces that have different dimensions.

REFERENCES:
patent: 1449483 (1923-03-01), Adams
patent: 1965489 (1934-07-01), Coates
patent: 1968124 (1934-07-01), Cate
patent: 2325522 (1943-07-01), Lauer et al.
patent: 2496790 (1950-02-01), Guarnaschelli
patent: 2662433 (1953-12-01), Braun
patent: 3277684 (1966-10-01), Gareri
patent: 3336659 (1967-08-01), Staples et al.
patent: 3656332 (1972-04-01), Marcovitch
patent: 4514997 (1985-05-01), Zifferer
patent: 6530254 (2003-03-01), Beierling
patent: 7055360 (2006-06-01), Hamerski et al.

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