B - Operations – Transporting – 41 – M
Patent
B - Operations, Transporting
41
M
B41M 5/30 (2006.01) B26D 3/08 (2006.01) B41M 5/40 (2006.01) G03C 3/00 (2006.01) B41M 5/38 (1995.01)
Patent
CA 2143101
A thermally imageable laminer composite comprising a pair of opposed sheets confining therebetween a frangible layer of image- forming substance partitionable to the respective sheets on substance between a pair of sheets is protected against premature stress-induced delamination by the bonding of the opposed sheets to one another in peripheral separation of the sheets after thermal imaging is protected against premature stress-induced delamination by the heat bonding of the opposed sheets to one another through said image-forming substance at the periphery of said composite, said bonding being to a strength requiring for the separation of said sheets at said periphery a peel force substantially greater than that required to separate said sheets in the expansive thermally imageable region confined by said periphery. A method for preparing individual units of an imageable composite, including the steps of establishing a band-like heated zone in a supply web of laminate, the one corresponding to the boundaries of a unit to be cut thereform, and cutting a unit from within said band-like zone is described.
Polaroid Corporation
Smart & Biggar
LandOfFree
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