Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1977-10-25
1979-01-30
Herbert, Jr., Thomas J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
2483461, 428178, 428314, 428511, 428537, B32B 300, B32B 2900
Patent
active
041373561
ABSTRACT:
A place mat, coaster or the like possessing exceptional anti-skid characteristics comprises a planar base member, such as paper or plastic sheet, provided on the top and bottom surfaces thereof with a plurality of arrayed, discrete, spaced-apart projections of a high friction material. Such place mats, coasters and the like are produced by imprinting the aforementioned high friction material in the desired pattern or array on the top and bottom surfaces of the base member.
REFERENCES:
patent: 262452 (1882-08-01), McLean
patent: 1167603 (1916-01-01), Swift
patent: 2809145 (1957-10-01), McDermott
patent: 3553068 (1971-01-01), Coale
patent: 3741411 (1973-06-01), Peacock
Engler Joseph P.
Shoemaker Charles T.
Herbert, Jr. Thomas J.
The Hoffmaster Company, Inc.
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