Automatic trimming machine with split rotary knife assembly

Details Automatic trimming machine with split rotary knife assembly Automatic trimming machine with split rotary knife assembly

B - Operations, Transporting

41

F

B41F 13/56 (2006.01) B26D 7/18 (2006.01) B26D 7/26 (2006.01) B26D 7/27 (2006.01) B26D 9/00 (2006.01) B26D 11/00 (2006.01) B26F 1/20 (2006.01) B65H 35/02 (2006.01) B65H 35/04 (2006.01) B65H 45/09 (2006.01) B65H 45/22 (2006.01) B65H 45/28 (2006.01)

Patent

CA 2158919

The automatic trimming machine of the present invention utilizes a conventional web press to print various sizes of postal and insert cards, flyers and coupon books completely on-line. The automatic trimming machine of the present invention includes a device (12) for perforating the paper to define a folding line (14) and a paper folding device (16) for folding the paper along the perforated folding line. A preliminary trimming unit will first trim the left and right sides of the folded paper, including removing the backbone of the folded paper. The severed backone is then removed from the preliminary trimming unit. The top and bottom edges of the paper are then trimmed to the appropriate size prior to the paper being cut into distinct products in a finish trimming unit. The finish trimming unit includes a plurality of adjustable cutting blades to allow for cutting of various sized products.

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