Papermaking refiner plates and method of manufacture

Details Papermaking refiner plates and method of manufacture Papermaking refiner plates and method of manufacture

2005-08-30

2005-08-30

Ostrager, Allen (Department: 3725)

Solid material comminution or disintegration

Apparatus

Comminuting elements

C241S261300

Reexamination Certificate

active

06935589

ABSTRACT:
Replaceable refiner fillings (10) used for refining of lignocellulosic and other natural and synthetic fibrous materials in the manufacture of paper, paperboard, and other fiberboard products. The refiner fillings (10) include a pattern of blades (14) and spacers (16) defined by a bar cluster (24), with the bar cluster being the basis of formation of the filling (10). A method of manufacture provides bar cluster patterns based on factors including pumping angle, plurality of segments in a refiner filling (10), and the number of clusters in a segment. A bar set cluster is established for uniform fabrication of bar clusters (24) for the refiner fillings (10).

REFERENCES:
patent: 3614826 (1971-10-01), Pilao
patent: 3910511 (1975-10-01), Leider et al.
patent: 5179339 (1993-01-01), Volk, Jr.
patent: 5740972 (1998-04-01), Matthew
patent: 5921486 (1999-07-01), Matthew
patent: 5954283 (1999-09-01), Matthew

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