Method of forming a multi-ply web from paper stock

Details Method of forming a multi-ply web from paper stock Method of forming a multi-ply web from paper stock

1982-02-03

1983-03-08

Chin, Peter

Paper making and fiber liberation

Processes and products

Multi-layer waterlaid webs or sheets

162212, 162216, D21F 1100

Patent

active

043760120

ABSTRACT:
A method of forming a multi-ply web by providing upper and lower outer surface plies of low consistency stock on an intermediate high consistency stock layer joined and delivered from a slice chamber for producing a smooth finished web. A stream of high consistency stock is subjected to highly efficient fiber distributing agitation and stabilization in a tortuous path, and then joins the high consistency stock as an intermediate ply layer between the low consistency stock ply layers. The flow of the intermediate ply layer to juncture with the outer ply layers is modulated and smoothed so that the outer ply layers on the intermediate ply layer will present substantially smooth outer surfaces for the multi-ply paper web.

REFERENCES:
patent: 2156445 (1939-05-01), Baxter
patent: 2329799 (1943-09-01), Thorsen
patent: 3839143 (1974-10-01), Suckow
patent: 3923593 (1975-12-01), Verseput
patent: 4021296 (1977-05-01), Reiner
patent: 4086130 (1978-04-01), Justus
patent: 4125429 (1978-11-01), Hergert et al.
patent: 4141788 (1979-02-01), Justus

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