Method of preparing polyurethane foam carpet underlay having a b

Details Method of preparing polyurethane foam carpet underlay having a b Method of preparing polyurethane foam carpet underlay having a b

1981-03-30

1982-06-22

Kimlin, Edward C.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156247, 156269, 226 5, 264 463, B32B 3116, B32B 3118

Patent

active

043360890

ABSTRACT:
A polyurethane carpet underlay having a barrier film attached to one side is prepared employing a continuous sheet of film material which serves both as the mold for the polyurethane-forming mixture and the barrier film.

REFERENCES:
patent: 3410744 (1968-11-01), Bold et al.
patent: 4056595 (1977-11-01), Bokelmann

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