Method for cutting tubing

Details Method for cutting tubing Method for cutting tubing

1995-05-03

1997-08-05

Schwartz, Larry I.

Metal working

Method of mechanical manufacture

Heat exchanger or boiler making

29 33T, 29 33D, 29414, 225100, B26D 156

Patent

active

056530226

ABSTRACT:
The slow production rates associated with cutting machines for cutting extruded metal tubing to length are avoided in an apparatus that continually cuts extruded metal tubing (46) and which include a reel (44) for providing a coil of (42) of metal tubing (46) to a cutting nip defined by rollers (66) carrying scoring knives (68). The tubing is continuously moved through the nip by a continuously operated set of feeding rolls (70) and then passed to a set of pull rolls (74) which are driven at a more rapid rate to place the tubing (46) in tension to cause it to be severed where scored. Also disclosed is a method of continuously cutting extruded metal tubing.

REFERENCES:
patent: 2024485 (1935-12-01), Sussman
patent: 2158400 (1939-05-01), Chamberlin
patent: 2222842 (1940-11-01), Humphrey
patent: 2621106 (1952-12-01), Abbey
patent: 2631361 (1953-03-01), Wallace
patent: 2782743 (1957-02-01), Kennedy
patent: 3730411 (1973-05-01), Brockmuller
patent: 4577789 (1986-03-01), Hoffmann et al.
patent: 5143268 (1992-09-01), Stroup, Jr.
patent: 5201117 (1993-04-01), Wright
patent: 5272805 (1993-12-01), Akeel et al.
patent: 5472126 (1995-12-01), Stroup, Sr. et al.

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