Tool for forming necks on circumferential surfaces of pipes

Details Tool for forming necks on circumferential surfaces of pipes Tool for forming necks on circumferential surfaces of pipes

1976-03-11

1978-04-04

Larson, Lowell A.

Metal deforming

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

Tool orbiting or rotating about an axis

72125, 29157T, B21D 5140

Patent

active

040819850

ABSTRACT:
A necking-out tool for forming projecting cylindrical nipples or necks on the circumferential wall of a pipe container or the like. The tool has a screw plug having a hook-shaped forming head and a thrust sleeve provided with a coaxial downholder flange for cooperation with the forming head and the screw plug. The thrust sleeve also has a hollow cylindrical interior corresponding to the contour of the forming head for the reception of the formed nipple or neck. A non-rotatable, telescopic guide means is associated with the thrust sleeve for mounting a torque converter on the screw plug.

REFERENCES:
patent: 245678 (1881-08-01), Weaver
patent: 1573397 (1926-02-01), Grenier
patent: 1985454 (1934-12-01), McCabe
patent: 2120497 (1938-06-01), Heinrich
patent: 2511836 (1950-06-01), Cullen
patent: 3050102 (1962-08-01), Hock
patent: 3817071 (1974-06-01), Chalvignac

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