Cold pilgrim rolling

Details Cold pilgrim rolling Cold pilgrim rolling

1988-03-28

1992-06-30

Cuda, Irene

Metal deforming

By use of roller or roller-like tool-element

With tool inside hollow work

723662, B21B 1710

Patent

active

051252538

ABSTRACT:
A method of making tubing includes cold pilgrim step rolling wherein particularly a frame moves back and fourth carrying tapering rolls which roll in alternating directions upon the stock to be rolled whereby in addition a cylindrical mandrel is provided as well as turning and advancing facilities for the tube or pipe to be made and with further utilization of a rotatably driven clamping and holding device downstream for extracting the tubes or pipes being made.

REFERENCES:
patent: 3890821 (1975-06-01), Gerretz et al.
patent: 4285226 (1981-08-01), Gancia
patent: 4289011 (1981-09-01), Yoshiwara et al.
patent: 4361023 (1982-11-01), Blanquet et al.
patent: 4488421 (1984-12-01), Quecchia et al.
patent: 4638655 (1987-01-01), Sebastian
patent: 4658617 (1987-04-01), Peytavin
patent: 4724697 (1988-02-01), Hien et al.

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