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:
Mar. 22, 2011
Filed:
Jul. 18, 2008
Applicants:
Heini Grutter, Muttenz, CH;
Hans-ulrich Seigenthaler, Suhr, CH;
Inventors:
Heini Grutter, Muttenz, CH;
Hans-Ulrich Seigenthaler, Suhr, CH;
Assignee:
Buss AG, , CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 47/44 (2006.01);
U.S. Cl.
CPC ...
Abstract
A mixing and kneading machine () for continual compounding comprises a screw shaft () rotating in a casingand simultaneously moving axially translationally. To sustainably enhance the efficiency of the machine as regards its material thruput per unit of time a screw shaft is proposed having the following geometric ratios: