Multi-ply fibrous web structure and its manufacture

Details Multi-ply fibrous web structure and its manufacture Multi-ply fibrous web structure and its manufacture

1981-10-05

1983-03-15

Wityshyn, Michael G.

Adhesive bonding and miscellaneous chemical manufacture

Surface bonding means and/or assembly means therefor

With work feeding or handling means

156551, 156553, 156555, 156582, 162362, B32B 3106, B32B 3108, D21H 506

Patent

active

043766714

ABSTRACT:
In the manufacture of a multi-ply fibrous web structure, each of a pair of plies of fibrous web material is provided with a pattern of relatively deep, primary, spot embossments each adherent to the opposite ply and surrounded by a pattern of relatively shallow, secondary, non-adherent spot embossments.

REFERENCES:
patent: 3708366 (1973-01-01), Connelly
patent: 3867225 (1975-02-01), Nystrand
patent: 3868205 (1975-02-01), Thomas
patent: 4284465 (1981-08-01), Walbrun
patent: 4325773 (1982-04-01), Schulz

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