Method of rolling a pipe by flat cutters

Details Method of rolling a pipe by flat cutters Method of rolling a pipe by flat cutters

1987-03-26

1988-11-29

Crane, Daniel C.

Metal deforming

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

During rotation of work

291592, B21D 700, B21H 500

Patent

active

047872292

ABSTRACT:
A method of rolling with flat cutters having finishing blades for rolling a periphery of a pipe. In working, the pipe is rotatably supported at both ends by a pair of centers, a pair of flat cutters which have a plurality of corrugated finishing blades formed on a substantially triangular blade base are disposed such that the finishing blades face each other and the directions of the finishing blades are parallel to an axis of the pipe, and the flat cutters are moved rectilinearly in opposite directions to each other from an initial working position to a terminal working position such that one end of each finishing blade presses the pipe. Thus, the periphery of the pipe is progressively worked axially from one end of the pipe.

REFERENCES:
patent: RE14759 (1919-11-01), Wilcox
patent: 352365 (1886-11-01), Simonds
patent: 1907684 (1933-05-01), Thomson
patent: 3015243 (1962-01-01), Drader
patent: 3214951 (1965-11-01), McCardell
patent: 3453185 (1969-07-01), Morse
patent: 3872699 (1975-03-01), Blue
patent: 4028922 (1977-06-01), Killop
patent: 4646549 (1987-03-01), Saito et al.

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