Plural defibering zones in a pulping apparatus
United States Patent 3380669
US Patent References:
Pulp beater and selector
- - 2424726
Disintegrator for fibrous materials
- - 2674927
Paper machinery
- - 3009656
Paper machinery
- - 3073535
Method of reclaiming cellulsoe fibers from thermoplastic coated cellulosic webs
- - 3154255
Pulp beater and selector
- - 2424726
Disintegrator for fibrous materials
- - 2674927
Paper machinery
- - 3009656
Paper machinery
- - 3073535
Method of reclaiming cellulsoe fibers from thermoplastic coated cellulosic webs
- - 3154255
Inventors:
Hatton, Derald R.
Publication Date:
04/30/1968
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Export Citation:
Assignee:
BLACK CLAWSON CO
Primary Class:
Other Classes:
241/97, 241/89.400, 241/46.017
International Classes:
D21D1/30; D21D1/00