Stock material or miscellaneous articles – Structurally defined web or sheet – Including variation in thickness
Patent
1991-08-28
1993-08-10
Loney, Donald J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including variation in thickness
428 76, 428172, 428120, 428141, 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
052347400
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.
REFERENCES:
patent: 3684348 (1972-08-01), Rowland
patent: 3689346 (1972-09-01), Rowland
patent: 4576850 (1986-03-01), Martens
patent: 4959265 (1990-08-01), Wood
patent: 5055340 (1991-10-01), Matsumura
Hartfel Margaret A.
Reeves Mark E.
Rouser Forrest J.
Smith Kenneth L.
Griswold Gary L.
Jordan Robert H.
Kirn Walter N.
Loney Donald J.
Minnesota Mining and Manufacturing Company
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