Thickener apparatus including a shaftless cylinder mold

Details Thickener apparatus including a shaftless cylinder mold Thickener apparatus including a shaftless cylinder mold

1977-05-11

1978-08-15

Fisher, Richard V.

Paper making and fiber liberation

Apparatus

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

162335, 162357, 210402, D21F 104, D21F 160

Patent

active

041069803

ABSTRACT:
A thickener apparatus includes a shaftless cylinder mold having a perforated cylindrical shell supported by two end members one of which is an open frame structure having radially extending support beams interconnecting a short rotational shaft aligned with the axial center of rotation of the cylinder, and a peripheral ring member which supports the shell of the cylinder mold. The shell is sufficiently rigid to be self supporting and has a backing cloth overly covering the perforated portion of the cylinder, and a face cloth covering the backing cloth, both of which act as a screen to permit the white water to collect in the central hollow portion of the cylinder mold to be subsequently discharged therefrom.

REFERENCES:
patent: 2510254 (1950-06-01), Richter
patent: 3091563 (1963-05-01), Meyer
patent: 3577315 (1971-05-01), Franklin
patent: 3773614 (1973-11-01), Pennington
patent: 3781957 (1974-01-01), Luthi

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