Title:
Discs for apparatuses for refining paper pulp
United States Patent 3260469


Inventors:
Georges, Perdreau Gustave Marie
Application Number:
US32287363A
Publication Date:
07/12/1966
Filing Date:
11/12/1963
Assignee:
Georges, Perdreau Gustave Marie
Primary Class:
Other Classes:
236/92A, 241/46.017, 241/296
International Classes:
B02C7/13; D21B1/12; D21D1/22
View Patent Images:
US Patent References:
2950872Grinding disc for grinding mills1960-08-30
2936128Apparatus for the treatment of paper stock1960-05-10
2519198Coffee grinding machine1950-08-15
0208716N/A1878-10-08
Foreign References:
DE946612C1956-08-02