B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 3/24 (2006.01) B32B 7/06 (2006.01) B32B 27/30 (2006.01) B32B 33/00 (2006.01) C08J 5/18 (2006.01)
Patent
CA 2192765
A water-retardant and easy-tearing film lamina is disclosed. The lamina (referring to the printing papers like labelstock) is laminated on top with a film of biaxial oriented polypropylene (BOPP) to retard the encroachment of water; or a printable prepared layer is applied on top of the film of biaxial oriented polyproprylene (BOPP). Further, the biaxial oriented polypropylene (BOPP) can be laminated at both upper and lower sides with a layer of fastening agent respectively which is further applied on top with a releasing layer. In the film of the biaxial oriented polypoprylene (BOPP) is pre-cut with tracks or openings of different shapes such as circle or rectangle at a proper interval so that the lamina can be easily torn apart at the pre-cut tracks or openings to provide a easy-tearing as well as water-retardant film lamina.
Goudreau Gage Dubuc
Kao Cheng-Kang
LandOfFree
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