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. 06, 1993
Filed:
Mar. 11, 1991
Applicant:
Inventors:
Douglas J Horton, Big Spring, TX (US);
Richard L Abner, Jr, Big Spring, TX (US);
Assignee:
Permian Research Corporation, Big Spring, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C / ;
U.S. Cl.
CPC ...
425188 ; 366 99 ; 4251 / ; 425203 ; 4253812 ;
Abstract
A rotary extruder having an integral auger feed assembly operatively connected to the extruder barrel, the auger feed assembly being adapted to introduce feed material directly into the annular space between the rotor and barrel of the rotor extruder. The apparatus is particularly useful for feeding low bulk density feed materials to a rotary extruder.