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:
Jan. 05, 1982
Filed:
Feb. 11, 1980
Applicant:
Inventors:
Reuben Klein, Edison, NJ (US);
Imrich Klein, Highland Park, NJ (US);
Assignee:
Scientific Process & Research, Inc., Somerset, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29F / ;
U.S. Cl.
CPC ...
366 79 ; 264 404 ; 264 406 ; 264 407 ; 2641 / ; 264349 ; 366142 ; 366145 ; 366149 ;
Abstract
Apparatus and method in which the temperature of the barrel inner surface and the temperature of the screw conveyor outer surface of a plasticating extruder are varied, alternately, in repeated steps, independent of one another along at least a portion of the solids conveying zone of the extruder, while a production effectiveness parameter simultaneously is monitored, until the monitored production effectiveness parameter is optimized and the production effectiveness of the extruder is at a desired maximum.