B - Operations – Transporting – 26 – D
Patent
B - Operations, Transporting
26
D
164/112
B26D 1/00 (2006.01) B23D 19/04 (2006.01) B23D 31/04 (2006.01)
Patent
CA 1199571
EDGE TRIMMING AND SCRAP DISPOSAL SYSTEM ABSTRACT OF THE DISCLOSURE A system for trimming the edges of a metal strip and chopping the trimmed metal into small pieces. The system includes an automatic twin-edge trimmer, two chutes fastened to the trimmer and a scrap chopper. The twin-edge trimmer comprises two sets of coacting rotary slitter knives, one set for each edge of the strip and a backup roll adjacent to each knife in order to _hold the strip flat while the cuts are being made. There are two mirror image chutes, each of which receives trimmings from ore edge of the strip. Each chute is shaped and fastened to the trimmer in such a way that it completely surrounds the trim cut by the edge trimmer. The chutes are inclined downwardly at an angle with respect to the plane of the strip that matches that of the trimmings. The scrap chopper receives trim from both chutes and cuts the trim into small pieces, One edge trimmer is mounted for lateral movement with respect to the strip during trimming to provide an "on-the-fly" adjustment in the width of the strip thus trimmed. -1-
439632
Glass Arthur J.
Logan Russell J.
Borden Ladner Gervais Llp
Kennecott Corporation
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