Stock material or miscellaneous articles – Structurally defined web or sheet – Including aperture
Patent
1997-04-22
2000-02-08
Watkins, III, William P.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including aperture
428131, 428138, 428166, 428178, 428174, 428156, 428 99, 4582, 4583, B32B 326
Patent
active
060226080
ABSTRACT:
A three layer, non-slip fabric has an upper fabric layer which is bonded through an intermediate flat plastic layer to a lower plastic layer having cup-shaped elements distributed therelong. Each cup has sidewalls and an outwardly concave end wall with one or two holes in the wall to allow the cups to deform.
REFERENCES:
patent: 3231454 (1996-06-01), Williams
patent: 3813279 (1974-05-01), Varner, Jr.
patent: 4628549 (1986-12-01), Lazar
patent: 5151312 (1992-09-01), Boeri
Plantex S.p.A.
Watkins III William P.
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