Laser perforation of carbonless paper

Details Laser perforation of carbonless paper Laser perforation of carbonless paper

B - Operations, Transporting

23

K

B23K 26/00 (2006.01) B23K 26/38 (2006.01) B26F 1/31 (2006.01)

Patent

CA 2088377

2088377 9203250 PCTABS00010 Laser perforation of all types of paper provides paper having sufficient strength characteristics to survive stresses imposed during handling, such as experienced in sheet feed processes. The paper so perforated is readily separable along the perforation line when separation is desired. Carbonless paper products particularily benefit from use of a laser in perforation. The paper, capsule, and capsule fill material are vaporized during the laser process, thus forming clean holes and leaving little residual material on the paper.

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