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:
Aug. 14, 1984
Filed:
Mar. 29, 1983
Applicant:
Inventors:
Francis R Duerr, Louisville, KY (US);
Leonard W Pokallus, Louisville, KY (US);
Assignee:
Corning Glass Works, Corning, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29F / ;
U.S. Cl.
CPC ...
425461 ; 2641 / ; 2642091 ; 2642098 ; 425462 ; 425463 ; 425464 ;
Abstract
In an extrusion die, restricted flow of material from large to small feed holes is relieved by the formation of a transition zone within the die. The transition zone is formed by extending either or both of the large and small feed holes so that they axially overlap.