G - Physics – 09 – F
Patent
G - Physics
09
F
26/111, 40/23
G09F 3/04 (2006.01) B31D 1/02 (2006.01)
Patent
CA 1274979
Abstract of the Disclosure A clean release label or the like is produced by lamination of a plurality of sheets, including a face sheet and a backer sheet, the laminating process is performed by use of a selected fugitive adhesive which attaches the sheets together. Then one or more of the laminated sheets is die cut and a portion thereof is removed as a matrix. A remaining portion of the sheet constitutes a removable label or the like which is carried by the backer sheet. The label is removable from the backer sheet as cohesive failure occurs in the fugitive adhesive. Therefore, the label and the portion of the backer sheet from which the label is removed are non-tacky and non-waxy. A three ply embodiment of this invention comprises a clean release product comprising a face sheet attached to a backer sheet by fugitive adhesive. The backer sheet is attached to a silicone release surface of a carrier sheet by a pressure sensitive adhesive applied to the back of the backer sheet. Labels are formed as the face sheet and backer sheet are die cut followed by removal of the matrix. The face sheet and backer sheet as a unit are either manually or mechanically separated from the carrier sheet and attached by the pressure sensitive adhesive to a business form or other suitable surface. The face sheet may be printed upon before or after attachment of the two ply unit to the business form. Then the face sheet is separated from the backer sheet. The face sheet thus serves as a label, identification card, or the like, having a clean back surface and leaving a clean exposed surface of the backer sheet, which remains attached to the business form by the pressure sensitive adhesive.
427391
Gowling Lafleur Henderson Llp
Standard Register Company (the)
LandOfFree
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