G - Physics – 11 – B
Patent
G - Physics
11
B
G11B 23/00 (2006.01) B26D 7/18 (2006.01) B65H 35/00 (2006.01)
Patent
CA 2064569
2064569 9101932 PCTABS00003 An apparatus and method for manufacturing cut products in continuous roll form includes input feeds (10, 11) for supplying a continuous web of product material and a continuous transport web in parallel, feed rollers (16, 18) for incrementally advancing the two webs together to and from a cutting station (17) where product units are cut in successive increments in a continuous strip, a scrap remover (19a, 19b) and a station (20a, 20b, 20c) for winding up the cut product strip. The webs are unwound and the cut product strip is wound via dancer bars (12, 13, 29a, 29b, 29c) maintaining constant tension. The input webs have a width which is a multiple of the width of the product units so that multiple strips can be formed simultaneously. The apparatus is particularly used to form floppy disk liners (30) having connecting portions (32a, 32b) and indented cut outs (33, 34) marking the boundaries between units. The cut outs are overcut in the cross and machine directions in order to obtain clean cuts between product units despite slight variations in registration.
Harmon Thomas D.
Morrison Kenneth G.
Gowling Lafleur Henderson Llp
International Paper Company
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