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:
Feb. 13, 1990
Filed:
Apr. 05, 1989
Applicant:
Inventors:
Wilfried Schwarz, Konigswinter, DE;
Peter Stommel, Hennef, DE;
Assignee:
Reifenhauser GmbH & Co. Maschinenfabrik, Troisdorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29B / ; B01F / ;
U.S. Cl.
CPC ...
366 76 ; 366 90 ; 366 99 ; 366322 ;
Abstract
A method of mixing a pumpable additive with a thermoplastified flow utilizes a pocketed rotor and stator structure integrated in a worm or screw plastifier and to which the additive is fed by a metering pump at the upstream end of the gap between the rotor and stator surfaces.