Metal deforming – With use of control means energized in response to activator... – Metal deforming by use of roller or roller-like tool element
Patent
1981-07-24
1983-11-01
Combs, Ervin M.
Metal deforming
With use of control means energized in response to activator...
Metal deforming by use of roller or roller-like tool element
72 21, 72135, B21D 708, B21D 714, B21F 302
Patent
active
044124384
ABSTRACT:
A pipe bending machine has a pipe feed rate setter. A bending unit has a bending roller and a drive for displacing the bending roller in the plane of bending, and a follow-up roller. The follow-up roller is arranged for engagement with the pipe after the pipe has been subjected to the action of the bending roller and is secured to one arm of a two-arm lever having a pivot axis which intersects the center line of the incoming pipe. The other arm of the lever carries a movable contact of the bending roller drive. The contact alternately engages two stationary contacts of the drive.
REFERENCES:
patent: 3270979 (1966-09-01), Whitacre
patent: 3407639 (1968-10-01), Kehne
patent: 3824820 (1974-07-01), Jeuken et al.
patent: 3859830 (1975-01-01), Jeuken et al.
Dobkin Igor I.
Ermakov Vladimir E.
Krasovsky Jury V.
Seidaliev Fikrat S. O.
Sjusin Gennady A.
Combs Ervin M.
Gosudarstvenny Nauchnoissledovatelsky, Proektny I Konstruktorsky
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