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:
Apr. 24, 1979
Filed:
Oct. 27, 1977
Applicant:
Inventor:
Leonard F Sansone, Andover, NJ (US);
Assignee:
Sussex Plastics Engineering Inc., Andover, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29F / ; B29F / ; B29F / ;
U.S. Cl.
CPC ...
2641 / ; 264209 ; 264349 ; 366 81 ;
Abstract
An annular extrusion die having a rotating shear ring which provides a pumping and shearing action on the plastic as it passes through the die annulus, and a method of forming annular extrusions.