B - Operations – Transporting – 41 – M
Patent
B - Operations, Transporting
41
M
42/6
B41M 5/26 (2006.01) B41M 5/42 (2006.01) B41M 5/40 (2006.01)
Patent
CA 1122005
914,247 ABSTRACT A composite material for forming graphics such as letters or numbers. The composite material includes a layer of latent adhesive material, a mono-layer of granules lightly adhered to a donor web, and a thin layer of bonding material between and in face-to-face contact with the layers of granules and adhesive. The layer of bonding material maintains the adhesive and granular layers in close proximity and excludes air from there- between. When the composite material is selectively heated in graphic patterns, corresponding portions of the bonding layer melt; and corresponding portions of the ad- hesive material and granular layer soften, absorb the melted portions of the bonding layer and adhere together. Upon subsequent separation of the layer of adhesive and the donor web the remaining portions of the layer of bonding material separate, whereas granules transfer to the accepting tape in the heated areas to provide the graphics.
314110
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
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