Multi-ply fibrous sheet structure

Details Multi-ply fibrous sheet structure Multi-ply fibrous sheet structure

1980-08-04

1981-12-22

Thibodeau, Paul J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

156209, 156252, 428137, 428154, 428166, 428178, 428211, B32B 310, B32B 300, B32B 700

Patent

active

043071414

ABSTRACT:
An absorbent, puffy sheet structure comprising a pair of plies of web material adhered in continuous linear regions interspersed with pocket portions. Portions of the plies forming the pocket portions include inwardly presented perforate bosses that enhance softness and water absorbency. The structure is achieved utilizing apparatus comprising a pair of matched-pattern, synchronously rotatable steel rolls each provided with small, sharp, ply-perforating members in the recesses between land areas, in combination with synchronous rotatable rubber embossing rolls urged against the rotatable steel rolls and intervening plies to form the perforate bosses.

REFERENCES:
patent: 2281945 (1942-05-01), Milliken
patent: 2847086 (1958-08-01), Muller
patent: 3323983 (1967-06-01), Palmer et al.
patent: 3546056 (1970-12-01), Thomas
patent: 3738905 (1973-06-01), Thomas

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