Secondary headbox for cylinder machine

Details Secondary headbox for cylinder machine Secondary headbox for cylinder machine

1982-12-22

1984-10-02

Bashore, S. Leon

Paper making and fiber liberation

Apparatus

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

162125, 162216, 162299, 162326, 162327, D21F 100, D21F 104

Patent

active

044746458

ABSTRACT:
A conventional Oliver board forming machine is provided with a second trough which places a second slurry of fibrous material on the Oliver roll to form a board structure of two separate distinct layers.
The second trough has an inclined chute forming the side of the trough adjacent the Oliver roll. The chute is pivoted at one end to the second trough and its opposite end rests against the top surface of the fiber deposition on the circumference of the Oliver roll.

REFERENCES:
patent: 1360684 (1920-11-01), Roberts
patent: 1996343 (1935-04-01), Miss
patent: 1997136 (1935-04-01), Devereux
patent: 2390977 (1945-12-01), Williams
patent: 3979254 (1976-07-01), McIntyre
patent: 4153503 (1979-05-01), Booth et al.

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