Resilient composite open-cell foam structure and method of makin

Details Resilient composite open-cell foam structure and method of makin Resilient composite open-cell foam structure and method of makin

1990-08-17

1992-05-19

Van Balen, William J.

Stock material or miscellaneous articles

Pile or nap type surface or component

Particular backing structure or composition

427244, 4283044, 4283171, 4283202, 4283227, 521 54, 521170, B32B 326

Patent

active

051147734

ABSTRACT:
A carpet underlay cushion structure is provided having a carrier layer of open-cell resilient foam material having an initial thickness, said resilient foam material being substantially completely and uniformly impregnated with an impregnant composition containing a polymer which is cured after said impregnation, wherein the open cells of said carpet underlay cushion structure partially comprise said foam material of said carrier layer, and wherein said cured polymer impregnant retains said carpet underlay cushion structure comprising said carrier layer and said cured polymer impregnant at a finished thickness less than said initial thickness of said carrier layer, and wherein the carpet underlay cushion structure possesses substantially the mechanical and physical properties of the polymer impregnant and wherein said carpet underlay cushion structure retains an open cell configuration at said finished thickness.

REFERENCES:
patent: 3061460 (1962-10-01), Schickedanz
patent: 3325338 (1967-06-01), Geen
patent: 3489594 (1970-01-01), Turkewitsch
patent: 3503822 (1970-03-01), Turkewitsch
patent: 3622435 (1971-11-01), Cacella
patent: 3661674 (1972-05-01), Higgs et al.

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