Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1975-03-20
1976-04-20
Dier, Philip
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428237, 428283, 428372, 156148, B32B 506, B32B 516, B32B 1102, D04H 146
Patent
active
039521265
ABSTRACT:
A substantially non-compacting carpet padding of controlled resiliency in flat sheet form comprising a mixture of staple fibers having lower indexes of resiliency and memory than is desired for such padding and flexible foam plastic granules having a greater index of resiliency than is desired for such padding and having a high index of memory, said fibers and granules being interengaged and interrelated whereby the fibers are acted upon by the granules to compensate for their lack of resiliency and memory and the granules are acted upon by the fibers to buffer and to compensate for their excess of resiliency.
REFERENCES:
patent: 3451885 (1969-06-01), Klein
patent: 3752721 (1973-08-01), Clark et al.
patent: 3873388 (1975-03-01), Hunter et al.
Dier Philip
Maxwell Georges A.
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