Method and apparatus for separating tubing

Details Method and apparatus for separating tubing Method and apparatus for separating tubing

1994-01-18

1995-02-14

Jones, Eugenia

Severing by tearing or breaking

Methods

With preliminary weakening

225 965, 225101, 29 33T, 29413, 295647, 29890053, B26F 300

Patent

active

053887450

ABSTRACT:
Method and apparatus for separating thin-walled flat metal tubing are disclosed. The tubing has flat upper and lower walls joined by end walls. The tubing is partially severed by providing relative movement between the tubing and opposed cutting blades having straight cutting edges. The relative movement is transverse to the longitudinal axis of the tubing, and the straight cutting edges of the blades form a small acute angle with respect to the flat faces of the tubing. The tubing is completely severed by applying an axial force to the tubing.

REFERENCES:
patent: 3568488 (1971-03-01), Franks
patent: 3692219 (1972-09-01), Franks
patent: 4112794 (1978-09-01), Franks et al.
patent: 4235137 (1980-11-01), Harman
patent: 4790464 (1988-12-01), Bortolin et al.
patent: 5133492 (1992-07-01), Wohrstein et al.
patent: 5143268 (1992-09-01), Stroup, Jr.
patent: 5201117 (1993-04-01), Wright
patent: 5249345 (1993-10-01), Virsik et al.

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