Sifting drum paper machine wherein the diluent water is controll

Details Sifting drum paper machine wherein the diluent water is controll Sifting drum paper machine wherein the diluent water is controll

1974-09-18

1977-03-29

Bashore, S. Leon

Paper making and fiber liberation

Apparatus

Automatic control

162252, 162259, 162263, 162297, 162317, D21F 106, D21F 108

Patent

active

040147380

ABSTRACT:
Sifting drum paper machine having a sifting drum with a pulp material inlet located at the outside thereof and suction chambers disposed in the interior thereof, includes a measurement of pressure in the vicinity of a paper web-forming part on the surface of the drum, the pressure measurements being used to control the quantity of diluent water to the supply of pulp material to the pulp material inlet in response to an adjustment value fed thereto and corresponding to the measured pressure.

REFERENCES:
patent: 3455780 (1969-07-01), Hazard, Jr. et al.
patent: 3631982 (1974-01-01), Lejeune
patent: 3741865 (1973-06-01), Lejeune
Armstrong; "New Cylinder Former Designs-Necessary for Survival"; Paper Trade Journal; 3-15-65, pp. 43-47, 162-317.

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