Pulp refining disk

Details Pulp refining disk Pulp refining disk

1977-03-16

1978-07-25

Lake, Roy

Solid material comminution or disintegration

Apparatus

Comminuting elements

241298, B02C 712

Patent

active

041025059

ABSTRACT:
An improved pulp refining disk comprises an annular plate having openings formed in it. Arrays of closely spaced parallel upstanding fins which function as refining surfaces are secured to the plate in the openings so that the grooves between the fins are unobstructed following which the openings are filled with resin. Upstanding pins are positioned in the grooves at the periphery of the disk to constrict the pulp fibers. A set of tabs project radially inward from the plate contain bolt passages for securing the disk to the refiner. Provision is made for securing a second similar disk to the opposite face of the plate, the securement being by means of bolts extending through holes in the first plate and turned down into threaded holes in the second plate. Alternatively, the two plates can be bevelled at their adjacent peripheral edges to form a groove and joined by solder or brazing in the groove.

REFERENCES:
patent: 2970783 (1961-02-01), Cheyette
patent: 3128055 (1964-04-01), Michel
patent: 3193206 (1965-07-01), Bidwell
patent: 3326480 (1967-06-01), Jones

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