Roll grooving apparatus

Details Roll grooving apparatus Roll grooving apparatus

1995-02-02

1996-06-25

Larson, Lowell A.

Metal deforming

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

Tool orbiting or rotating about an axis

72105, B21D 1704

Patent

active

055289193

ABSTRACT:
Apparatus for roll grooving thin wall pipe comprises a housing supporting a female drive roll and an arm pivotally mounted on the housing and supporting a male idler roll. A feed screw between the housing and arm provides for pivoting the arm to displace the idler roll radially toward and away from the drive roll, and a quick release arrangement between the feed screw and housing is operable to release the arm to displace the idler roll away from the drive roll at the end of a roll grooving operation without rotating the feed screw. Self-tracking during a roll grooving operation is provided by teeth on an outer surface of the drive roll which urge the pipe and grooving rolls axially inwardly relative to one another.

REFERENCES:
patent: 2975819 (1961-03-01), Costanzo et al.
patent: 3995466 (1976-12-01), Kunsman
patent: 4041747 (1977-08-01), Elkin
patent: 4144733 (1979-03-01), Whitten
patent: 5079940 (1992-01-01), Pulver et al.
patent: 5279143 (1994-01-01), Dole

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