B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
164/126, 164/137
B65H 35/04 (2006.01) B26D 1/08 (2006.01) B26D 3/10 (2006.01) B26D 7/01 (2006.01) B26F 1/00 (2006.01) B26F 1/44 (2006.01)
Patent
CA 2029688
A method of manufacturing sheets which comprises the steps of feeding a sheet material in a predetermined polygonal shape, cutting collectively or substantially at one time a plurality of corner portions of the thus fed sheet material to obtain a sheet and then discharging the thus obtained sheet. The apparatus comprises belt conveyors for sequentially feeding sheet materials in a predetermined polygonal shape, cutting dies for cutting collectively or substantially at one time the rear corner portions of the sheet material fed previously and the front corner portions of the sheet material fed subsequently, to obtain sheets, and belt conveyors for sequentially discharging the thus obtained sheets. When a ruled line, that is, an elongate recess or the like for bending is needed, cutting of the corner portions and formation of the ruled line are effected collectively or substantially at one time.
Nippon Petrochemicals Co. Ltd.
Swabey Ogilvy Renault
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