Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Including a second component containing structurally defined...
Patent
1997-09-19
2000-07-04
Kopec, Mark
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Including a second component containing structurally defined...
428343, 428355RA, 428 401, 428906, 428914, 428355AC, A61F 1358, A61F 1360, B32B 516
Patent
active
060836164
ABSTRACT:
An adhesive coating or layer has a differential height barrier structure deposited on the surface of one or both sides. Consequently, a highly aggressive adhesive formulation can be temporarily neutralized so as not to resist sliding of an item being positioned on the surface, until pressure is deliberately applied. Conversely, the adhesive system can be carried by decorative sheet material for easy application of the sheet material to cover a wall or floor, whereby the sheet can be slid into exact position without "sticking", before permanent adhesion. The present invention may be implemented by forming an array of discrete surface barrier structures which cover 10-30% of the active surface area of the adhesive. The barrier is preferably formed by an array of minute units of hard material or other discrete structures distributed on the adhesive surface and projecting therefrom by about 0.00025-0.0005 inch.
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patent: 3146799 (1964-09-01), Fekete
patent: 3301741 (1967-01-01), Henrickson et al.
patent: 3331729 (1967-07-01), Danielson et al.
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patent: 4054697 (1977-10-01), Reed et al.
patent: 4150187 (1979-04-01), Brown
patent: 4556595 (1985-12-01), Ochi
patent: 5141790 (1992-08-01), Calhoun et al.
"Positionable Mounting Adhesive No. 568" leaflet (Instructions for use with 3M Plastic Squeegee) 3M Commercial Office Supply Division--2 pages. No Date Given.
PCT International Search Report. 3pp.
Kopec Mark
Mruk Brian P.
Seal Products, Inc.
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