C - Chemistry – Metallurgy – 09 – J
Patent
C - Chemistry, Metallurgy
09
J
117/26, 220/30,
C09J 7/02 (2006.01) A61F 13/58 (2006.01) A61F 13/60 (2006.01) B65D 27/16 (2006.01)
Patent
CA 1330018
Abstract REFASTENABLE ADHESIVE TAPE CLOSURE A refastenable adhesive closure is provided. The clo- sure has a pressure-sensitive adhesive-bearing fastening tab and a target portion, or target strip, having a working face for contact with the adhesive-bearing fastening tab. The working face of the target strip is formed with peaks and valleys, the geight of the peaks above the valleys being substantially uniform and from about 40 to 300 µm, the spacing between adjacent peaks being from about 50 to 500 µm, the back face of the target portion being substan- tially flat, and the thickness of the adhesive layer of the tab being no more than about 90% of the height of the peaks above the valleys. The closure is resistant to contamination by dust and other fine particulate matter and is especially useful for re- fastenable disposable diaper closures and refastenable envelope closures.
593491
Crissinger Dean R.
Melbye William L.
Noreen Allen L.
Rodgers Eric G.
Sipinen Alan J.
Minnesota Mining And Manufacturing Company
Smart & Biggar
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