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:
Dec. 08, 2015
Filed:
May. 27, 2009
Ludwig Eckart, Traunstein, DE;
Werner Bamberger, Traunstein, DE;
Michael Baumeister, Traunstein, DE;
Günter Oedl, Salzburg, AT;
Ludwig Eckart, Traunstein, DE;
Werner Bamberger, Traunstein, DE;
Michael Baumeister, Traunstein, DE;
Günter Oedl, Salzburg, AT;
BRÜCKNER MASCHINENBAU GMBH & CO. KG, Siegsdorf, DE;
Abstract
An improved multiple-screw extruder, in particular a twin-screw extruder comprises a housing. Several housing bores are located in at least one section within the housing. The housing bores overlap at least along a partial axial length of the housing. One extruder screw is arranged in each of the several housing bores. At least two motors are provided for the at least two extruder screws. A synchronizing and torsion transmitting device, by means of which both cooperating extruder screws can be synchronized, is provided on both the inlet side and the discharge side.