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. 30, 1976
Filed:
Mar. 06, 1974
Applicant:
Inventor:
Warner Jan de Putter, Hardenberg, NL;
Assignee:
Wavin B.V., Zwolle, NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29B / ;
U.S. Cl.
CPC ...
259192 ; 259191 ;
Abstract
An extruder for synthetic material with at least two mixing and conveying worms, comprising an extruder housing, an extruder inlet, a driving member for driving one of the worms and a gearing for driving the second worm, said gearing comprising two gear wheels with inclined toothings. These gear wheels are mounted on either side of the mixing and conveying worm and cooperate therewith.