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. 25, 2001
Filed:
Mar. 15, 2000
Applicant:
Inventors:
Frederick G. Kudert, Niles, IL (US);
Maurice G. Latreille, Batavia, IL (US);
Robert J. McHenry, St. Charles, IL (US);
George F. Nahill, Crystal Lake, IL (US);
Henry Pfutzenreuter, III, Alta Loma, CA (US);
William A. Tennant, Schaumburg, IL (US);
Thomas T. Tung, Hoffman Estates, IL (US);
John Vella, Jr., Aurora, IL (US);
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 4/522 ;
U.S. Cl.
CPC ...
B29C 4/522 ;
Abstract
An injection nozzle device including multi-polymer injection nozzles comprising an assembly of shells, and having fixed, tapered passageways communicating with annular orifices close to a nozzle gate and to each other, and polymer flow balancing and directing means in the passageways in the form of concentric and eccentric chokes.