Cutting tool to facilitate bending of hollow tubing

Details Cutting tool to facilitate bending of hollow tubing Cutting tool to facilitate bending of hollow tubing

1989-02-23

1990-12-04

Crane, Danel C.

Metal deforming

With cutting

By composite tool

83 54, 83636, 83689, B21D 2814

Patent

active

049744364

ABSTRACT:
A cutting blade for use in a ram operated system for strategically cutting out tubing to facilitate bending thereof. The cutting blade has: first and second walls arranged in a V-shape, with each having a leading end and a trailing end; first and second substantially straight shearing edges on the leading ends of the first and second walls and residing substantially in a single plane; a planar entry surface angularly disposed with respect to the plane of the shearing edges; and an elongate, substantially straight, ridge at the apex of the V-shaped walls and defining, in conjunction with the planar entry surface, a leading tip on the cutting blade for penetrating a tubing piece.

REFERENCES:
patent: 500373 (1893-06-01), Brachhausen
patent: 518766 (1894-04-01), Plecker
patent: 1535777 (1925-04-01), Hoxie
patent: 2423601 (1947-07-01), MacArthur
patent: 3473362 (1969-10-01), Black
patent: 3913420 (1975-10-01), Coon

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