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:
Jul. 07, 1992
Filed:
Aug. 22, 1991
Applicant:
Inventor:
Richard Saatkamp, Lengerich/Westfalen, DE;
Assignee:
Windmoller & Holscher, Lengerich/Westfalen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G05D / ; G05D / ; B29C / ; B29C / ;
U.S. Cl.
CPC ...
141-9 ; 141 83 ; 141 95 ; 141105 ; 222 56 ; 222132 ; 222145 ; 366152 ; 366153 ; 366156 ;
Abstract
A method of regulation of the charging of the feed hopper of an extruder with plastic granules, where it is necessary to supply the material in an amount such that the average level in the container or hopper remains constant with the least possible fluctuation despite the continual, and as a rule, uninterrupted removal of material from the container in the case of which, despite uninterrupted removal of material, the average level in the hopper or other container is maintained and is subject to the least possible fluctuation.