Title:
Pulp refining apparatus
United States Patent 2778282


Inventors:
Sutherland, Lionel M.
Application Number:
US49337555A
Publication Date:
01/22/1957
Filing Date:
03/10/1955
Assignee:
SUTHERLAND REFINER CORP
Primary Class:
Other Classes:
241/250, 241/260, 241/261.3, 241/296
International Classes:
D21D1/22
View Patent Images:
US Patent References:
2654295Refiner apparatus1953-10-06
2651976Grinding disk1953-09-15
2035994Fiber refining and refiner1936-03-31