System for forming and treating a narrow multi-layer web

Details System for forming and treating a narrow multi-layer web System for forming and treating a narrow multi-layer web

1977-03-29

1979-02-13

Fisher, Richard V.

Paper making and fiber liberation

Processes and products

Multi-layer waterlaid webs or sheets

162133, 162194, 162205, 162269, 162286, 162304, 162305, D21F 1108

Patent

active

041394119

ABSTRACT:
A continuous web of wood or cellulose pulp leaving a dewatering apparatus such as a suction mould or vat machine and having a relatively high content of water, is slitted in two or more longitudinal webs of approximately the same width. The narrow, slitted webs are turned so as to be parallel and brought together or gathered to a multilayer web which is narrower and thicker than the original web. This multilayer web is subjected to further dewatering in one or more pressing machines having dimensions adapted to those of the multilayer web. Finally, the multilayer web is cut transversely into sheets of appropriate size for stacking and packing in bales of suitable size.

REFERENCES:
patent: 798597 (1905-09-01), Case
patent: 1049423 (1913-01-01), Wallace
patent: 1625472 (1927-04-01), Kelly

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