Method of manufacturing fibrous sheet structure

Details Method of manufacturing fibrous sheet structure Method of manufacturing fibrous sheet structure

1979-12-14

1982-04-20

Silverman, Stanley S.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156209, 156210, B32B 3120

Patent

active

043257682

ABSTRACT:
In the manufacture of a multi-ply fibrous sheet structure, each of a pair of plies of fibrous web material is provided with a spot embossed first pattern defined by inwardly directed nested protuberances that are adhesively joined at distal surfaces thereof to confronting surfaces of the opposite ply, and the adhesively joined plies are provided with a spot embossed second pattern defined by registered, unidirectionally presented protuberances in each of the joined plies and fitted compactly one within the other.

REFERENCES:
patent: Re20034 (1936-07-01), Ives
patent: 2974716 (1961-03-01), Fourness
patent: 3556907 (1971-01-01), Nystrand
patent: 3650882 (1972-03-01), Thomas
patent: 3694300 (1972-09-01), Small
patent: 3738905 (1973-06-01), Thomas
patent: 3775231 (1973-11-01), Thomas
patent: 3935360 (1976-01-01), Brown
patent: 3940529 (1976-02-01), Hepford et al.
patent: 3953638 (1976-04-01), Kemp
patent: 4131663 (1978-12-01), Lenichi, Jr.

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