Stock material or miscellaneous articles – Structurally defined web or sheet – Continuous and nonuniform or irregular surface on layer or...
Patent
1984-10-26
1986-07-15
Van Balen, William J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Continuous and nonuniform or irregular surface on layer or...
428159, 428286, 4283144, 4283166, B32B 326
Patent
active
046006230
ABSTRACT:
A padded material consists of a porous resilient layer which is bonded on one side to a web of foam and on the other side to a covering web, at least the foam web and the covering web consisting of a thermoplastically softenable material, and the covering web and the resilient layer being softened by heating and compressed in a pore-free manner in closely adjacent areas, and cooled to stabilize the structure.
REFERENCES:
patent: 2962406 (1960-11-01), Rosa
patent: 3582095 (1971-06-01), Bogaert
patent: 3954537 (1976-05-01), Alfter et al.
Grimm Rolf
Gurr Manfred
Horn Falk R.
Schmitt Roland
Firma Carl Freudenberg
Van Balen William J.
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