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. 17, 2002
Filed:
May. 04, 2001
Applicant:
Inventors:
Lefteris Valsamis, Stratford, CT (US);
Frank Borzenski, Branford, CT (US);
Robert Wagner, Fairfield, CT (US);
Walter Rapetski, Orange, CT (US);
Hans Baurmeister, Londonderry, VT (US);
Assignee:
Farrel Corporation, Ansonia, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29B 7/18 ;
U.S. Cl.
CPC ...
B29B 7/18 ;
Abstract
Four wing rotors for used in an internal batch mixer. The rotor has two long wings, and these two long wings have different approach angles and helix angles. The rotor has two short wings and these short wings also preferably have different helix angles and approach angles. The rotors provide improved distributive and dispersive mixing allowing for greater productivity in processing materials and producing more homogeneously mixed materials at lower discharge temperatures.