The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 04, 1989
Filed:
Jul. 25, 1986
Applicant:
Inventor:
Pierre Lamort, Vitry Le Francois, FR;
Assignee:
E et M Lamort, , FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21B / ; D21C / ;
U.S. Cl.
CPC ...
162-4 ; 162 55 ; 162 57 ; 241 4617 ;
Abstract
Method and device for preparation and primary separation of paper pulp in which the initial disintegration is produced in a primary pulper 1 of known type, the contents of the pulper, after this separation is discharged directly and discontinuously into a large-sized vat where it is stirred by an agitator with longitudinal shaft equipped with spiral arms, and from there poured discontinuously into a separator.