Extra-wide nonwoven sheets

Details Extra-wide nonwoven sheets Extra-wide nonwoven sheets

1974-07-11

1976-03-30

Powell, William A.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156 622, 156181, 156306, D04H 303, D04H 308

Patent

active

039473104

ABSTRACT:
Extra-wide, heat-sealed nonwoven sheets of thermoplastic synthetic polymer monofilaments are prepared by folding said sheets in layers with heat-insulating fabric between said layers before contact with heating and pressing means to effect heat sealing, followed by removal of the insulating fabric and heat sealing of the fold areas.

REFERENCES:
patent: 2736676 (1956-02-01), Frickert, Jr.
patent: 3065121 (1962-11-01), Andrews
patent: 3660867 (1972-05-01), Watson
patent: 3692618 (1972-09-01), Dorschner et al.
patent: 3765971 (1973-10-01), Fleissner
patent: 3853651 (1974-12-01), Porte

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