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:
Jun. 17, 2014
Filed:
Dec. 13, 2010
Applicants:
Jörg Kirchhoff, Antwerp, BE;
Thomas König, Leverkusen, DE;
Michael Bierdel, Leverkusen, DE;
Ulrich Liesenfelder, Bergisch Gladbach, DE;
Inventors:
Jörg Kirchhoff, Antwerp, BE;
Thomas König, Leverkusen, DE;
Michael Bierdel, Leverkusen, DE;
Ulrich Liesenfelder, Bergisch Gladbach, DE;
Assignee:
Bayer Intellectual Property GmbH, Monheim, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29B 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to novel screw feed elements for multi-shaft screw feed machines having screw feed profiles rotating in the same direction in pairs and precisely abrading in pairs, to the use of the screw elements in multi-shaft screw feeding machines and to a method for extrusion of viscoelastic masses.