Slip control sheeting and articles covered with same
AssigneeMinnesota Mining and Manufacturing Company
InventorsMark E. Reeves, Margaret A. Hartfel, Forrest J. Rouser, Kenneth L. Smith
Life of this patent
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Abstract
A slip control sheeting comprising a backing having first and second major surfaces with an array of protrusions on the first major surface and at least one of (1) a layer of adhesive on the second major surface and (2) a reinforcing web at least partially embedded in the backing. The protrusions are pyramids with triangular bases having a height between about 3 and 21 mils and the array is defined in part by a pattern of three intersecting sets of parallel grooves formed in the first major surface, the grooves defining three major axes of the sheeting.
Claims14
A slip control sheeting comprising a backing having a first and a second major surface and an array of protrusions on said first major surface of said backing, said protrusion being pyramids with triangular bases, the height of said protrusions being between about 3 mils and about 21 mils, said array being defined in part by a pattern of three intersecting sets of parallel grooves formed in said first major surface, which grooves define three major axes of said sheeting, said sheeting further comprising at least one of (1) a layer of adhesive on said second major surface and (2) a reinforcing web at least partially embedded in said backing.
Dependencies are inferred from the claim text.