Stock material or miscellaneous articles – Structurally defined web or sheet – Including variation in thickness
Patent
1992-08-13
1996-02-13
Loney, Donald J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including variation in thickness
428 76, 428120, 428141, 428172, 428212, 428245, 428284, 428286, 428346, 428354, 4285428, 745519, 81489, 16DIG12, 273 75, 273 81B, 273 81R, B32B 328, A63B 4908, B25G 101, B62K 2126
Patent
active
054910153
ABSTRACT:
A slip control sheeting can comprise a backing having a first and a second major surface and an array of protrusions on the first major surface. The protrusions can be pyramids with polygonal bases or pyramidal frustums with polygonal bases. Alternatively, the protrusions can comprise posts having non-planar sides and bases on the first major surface wherein the posts taper radially inwardly from their bases to their tops, e.g., cones or conical frustums with circular bases. The sheeting can further comprise at least one of a layer of adhesive on the second major surface, a reinforcing web, or a mechanical fastening component for fastening the backing to a substrate. The sheeting can be made so that it retroreflects less than about 10 percent of a beam of electromagnetic radiation which is incident at any angle to the second major surface, the electromagnetic radiation having any wavelength from about 0.39 microns to about 1,000 microns.
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Benson, Jr. Olester
Hartfel Margaret A.
Reeves Mark E.
Rouser Forrest J.
Smith Kenneth L.
Griswold Gary L.
Kirn Walter N.
Loney Donald J.
Minnesota Mining and Manufacturing Company
Peters Carolyn V.
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