Doctoring device for papermaking machine

Details Doctoring device for papermaking machine Doctoring device for papermaking machine

1989-11-08

1991-07-16

Simmons, David A.

Paper making and fiber liberation

Apparatus

Web creping or crinkling type

152565, 1525651, D21F 700

Patent

active

050322290

ABSTRACT:
In a pulp or papermaking machine a doctor blade assembly including two doctor blades used in association with a machine roll for scraping material from the same wherein one blade is supported by a standard support member and the other blade is supported by gussets coupled to the support member with the second blade being a spaced distance from the first blade.

REFERENCES:
patent: 1744286 (1930-01-01), Theile
patent: 3016826 (1962-01-01), Sage
patent: 3065486 (1962-11-01), Scott
patent: 3292201 (1966-12-01), Bedard
patent: 3687730 (1972-08-01), Murphy et al.
patent: 4165965 (1979-08-01), Bernardelli et al.
patent: 4616924 (1986-10-01), Kimura et al.
patent: 4768645 (1988-09-01), Farris

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