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:
Oct. 16, 1979
Filed:
Dec. 29, 1977
Applicant:
Inventor:
Herbert K Rahlfs, Troisdorf-Sieglar, DE;
Assignee:
Reifenhauser KG, Troisdorf, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29D / ;
U.S. Cl.
CPC ...
425 71 ; 264 407 ; 425140 ; 425144 ; 425145 ; 425325 ; 4253 / ; 425377 ; 425404 ; 425466 ; 4258 / ;
Abstract
A metering pump whose speed is controlled in accordance with product data is provided between an extrusion press and the extrusion die. The speed of the worm is controlled by a pressure/speed regulator and the temperature at the outlet side of the press is maintained constant within .+-.10.degree. C.