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:
Jul. 10, 1990
Filed:
Feb. 15, 1989
Applicant:
Inventors:
Heinz List, deceased, late of Pratteln, CH;
Walther Schwenk, Kaiseraugust, CH;
Alfred Kunz, Witterswill, CH;
Assignee:
List AG, Pratteln, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01F / ;
U.S. Cl.
CPC ...
366 99 ; 366149 ; 366307 ; 366309 ; 366313 ;
Abstract
A multi-spindle kneading mixer with at least two intermeshing shafts, one of which is equipped with disk elements which are cleaned by a second agitator shaft,with intensive full mixing and kneading taking place at the same time, characterized in that fixed kneading counterelements are inserted in the housing for the purpose of an approximately complete cleaning of the two agitator shafts.