Horizontal twin wire machine

Details Horizontal twin wire machine Horizontal twin wire machine

1987-04-17

1988-02-09

Bashore, S. Leon

Paper making and fiber liberation

Apparatus

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

162301, 162352, 162DIG7, D21F 136, D21F 100

Patent

active

047240474

ABSTRACT:
All of the essential operating parts for converting an existing Fourdrinier paper machine into a top former are carried by a supplemental frame assembly which can be mounted on the main Fourdrinier frame with no modification of the latter except the addition of a pair of pivotal mountings and a pair of adjusting jacks for the supplemental frame assembly. The primary operating parts of the top wire assembly are a hollow foraminous roll and a top deflector which cooperate to collect and deliver liquid extruded through the top wire into a receptacle which is carried by the supplemental frame assembly. Provision is also made for operating the resulting top former in roll formation mode, blade formation mode, or a combination roll and blade formation mode.

REFERENCES:
patent: 3994774 (1976-11-01), Halme et al.
patent: 4146424 (1979-03-01), Justis
patent: 4447295 (1984-05-01), Bubik et al.
patent: 4557802 (1985-12-01), Waris
patent: 4623429 (1986-11-01), Tissari
Davies, Rebuilding Existing Paper Machines to Gain Quality and Quantity, Pulp & Paper Canada 1985 pp. 55-57.

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