Method and apparatus for separating tubing

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

1993-12-21

1995-09-19

Jones, Eugenia

Metal working

Method of mechanical manufacture

Heat exchanger or boiler making

29 33T, 29413, 72203, 225 2, 225 965, 225101, B26F 300

Patent

active

054506689

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 or slightly curved cutting edges. The relative movement is transverse to the longitudinal axis of the tubing, and the straight slicing edges, or the chords of curved slicing 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. Pressing heads follow the slicing blades to press any burrs back into the tubing.

REFERENCES:
patent: 2348283 (1944-05-01), Dolan
patent: 3387479 (1968-06-01), Winkler
patent: 3980442 (1976-09-01), Riekeles
patent: 4429445 (1984-02-01), Fuminier
patent: 4457199 (1984-07-01), Corcoran
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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