Tube pipe bender assembly

Details Tube pipe bender assembly Tube pipe bender assembly

1988-01-06

1988-11-22

Spruill, Robert L.

Metal deforming

By use of roller or roller-like tool-element

Comprising tool movable relative to stationary work-portion...

33529, 72 34, 72321, 72461, B21D 7024, B21D 714

Patent

active

047856505

ABSTRACT:
A pipe bender assembly comprising a pipe bender and a pipe clamp (36) cooperable therewith, the pipe bender including a body (10), a main die (12) forming part of, or mounted on the body, the main die having at least one part annular groove on its periphery. A circular shaping die (16) having an annular groove on its periphery and rotatable about its own axis, which is parallel to the axis of the main die, is supported on a mounting (16) so that it is rotatable about the axis of the main die. The mounting (16) is drivable by a reduction gear (20,22,24,26). An abutment surface (32) is formed on the body of the pipe bender and the pipe clamp has a pipe receiving bore therethrough and an outer surface including at least two faces (50,58) each selectively engageable accurately with the abutment surface to position temporarily the pipe clamp with respect to the pipe bender, the faces (50,58) extending at an angle to one another when viewed along the axis of the pipe receiving bore.

REFERENCES:
patent: 2153935 (1939-04-01), Neukirch
patent: 2346371 (1944-04-01), Fink
patent: 2447909 (1948-08-01), Hunziker
patent: 2687162 (1954-08-01), Smith
patent: 3043360 (1962-07-01), Hutchison
patent: 3447353 (1969-06-01), Noveske
patent: 4249405 (1981-02-01), Cyr

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