Stock material or miscellaneous articles – Structurally defined web or sheet – Edge feature
Patent
1996-10-30
2000-09-12
Weisberger, Richard
Stock material or miscellaneous articles
Structurally defined web or sheet
Edge feature
428 401, 428409, B32B 2302
Patent
active
061175269
ABSTRACT:
Conformable strips are constructed from a resilient dimensionally stable material that has a high friction textured top surface. The bottom surface of each strip is coated with a pressure-sensitive adhesive that is used to attach the strip to the exterior surface of the portable computer thereby providing a secure gripping surface to the portable computer. The adhesive permits easy application of the strips to the smooth surface of the computer. The strips are constructed of flexible resilient material so that they can conform to curved flat surfaces when applied thereto. Additional antislip characteristics are obtained by applying successive strips side by side and spaced apart. The openings between the strips provide a multi-edge tread like surface to bind with the hand. Furthermore, the material used to form the strips has sufficient thickness and edge definition to provide a mechanical stop to bind with the flesh of a grasping hand. Additional edges are incorporated into wider strips by making cut outs of sufficient size to permit the flesh to conform to the cavities and to grab the edges of the cavities. Alternatively, effective gripping surfaces are also created by affixing a pattern of a series of smaller spots or other geometric shapes that are made of the antislip material. The pattern of the spots is formed so that they are separated by sufficient distance to provide multiple edges and textured surfaces thereby allowing the flesh to conform over multiple edges and surfaces to provide antislip characteristics beyond that of a single strip.
REFERENCES:
patent: 3836420 (1974-09-01), Freese
patent: 4328274 (1982-05-01), Tarbutton et al.
patent: 4625344 (1986-12-01), Howard
patent: 4911734 (1990-03-01), Short
patent: 4931330 (1990-06-01), Stier et al.
Article from Newsweek Magazine, "Get a Grip on Technology", Oct. 17, 1994.
Article from EDN Magazine, "Hot Technologies at Comdex Fall '95 (editorial opinion)", Dec. 22, 1994.
"3M Technical Data" Safety-Walk.TM. Antislip Material, Home and Commercial Care Division, 3M Center, Building 223-3N-05, St. Paul, MN 55144-1000.
"3M Traction Systems" Sales Brochure, Home and Commercial Care Division, 3M Center, Building 223-3N-05, St. Paul, MN 55144-1000.
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