Combination-paper machine

Details Combination-paper machine Combination-paper machine

1975-02-04

1976-07-20

Lindsay, Jr., Robert L.

Paper making and fiber liberation

Apparatus

Running or indefinite length product forming and/or treating...

162318, 162336, D21F 100

Patent

active

039705145

ABSTRACT:
A combination-paper machine, especially one for the continuous manufacture of thick paper, cardboard or the like, is disclosed as having two perforated cylinders which form a combining space or slit between them, devices for feeding pulp suspension onto the perforated cylinders prior to the combining point, whereby an endless wire is guided along at least that surface of each perforated cylinders which is between the pulp suspension feeding point and the combining point, the pulp suspension feeding devices including two roof-like upper lips which cover at least part of the wire-covered surface of each perforated cylinder prior to the combining point. The roof-like upper lips are mutually separate and independent, the combining space is slightly greater than the thickness of the completed web, and after the combining point both the wires are guided to run over a certain distance along the surface of one and the same perforated cylinder.

REFERENCES:
patent: 1739038 (1929-12-01), Millspaugh
patent: 3839143 (1974-10-01), Suckow

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