Twin-wire paper machine with common wire path controls

Details Twin-wire paper machine with common wire path controls Twin-wire paper machine with common wire path controls

1975-12-29

1976-12-07

Bashore, S. Leon

Paper making and fiber liberation

Apparatus

Apparatus repair, cleaning or conditioning

162301, 162369, 162370, D21F 100, D21F 140, D21F 150

Patent

active

039960986

ABSTRACT:
A twin wire paper machine having structure for controlling the common path taken by the wire. A web-carrying wire and a web-pressing wire having a common path extending upwardly from a lower forming roll to an upper couch roll with the web which is formed being compressed between these wires while they travel along this common path, the web-carrying wire continuing to transport the web beyond the common path of the two wires. The forming and couch rolls define between themselves a space situated on one side of a straight line which is tangent to both of these rolls and which contacts the common path of the wires at the regions of these rolls. A wire deflecting roll structure is situated along the common path of the wires between the forming and couch rolls and is situated at least in part in the above space between the forming and couch rolls at the above side of the line tangent to these rolls, so that the wires while traveling along their common path are deflected also to the above side of the above tangent line into the space between the above rolls, whereby the extent to which the wires lap the forming and couch rolls is increased.

REFERENCES:
patent: 2881670 (1959-04-01), Thomas
patent: 2969114 (1961-01-01), Baxter, Jr.
patent: 2998846 (1961-09-01), Hornbostel
patent: 3746613 (1973-07-01), Vauhkonen
patent: 3810818 (1974-05-01), Arledter
patent: 3876498 (1975-04-01), Justus

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