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. 18, 2000
Filed:
Aug. 25, 1998
Werner Feistkorn, Saerbeck, DE;
Christof Herschbach, Muenster, DE;
Hans-Udo Beckmann, Ludenscheid, DE;
Richard Saatkamp, Lengerich, DE;
Windmoeller & Hoelscher, Lengerich, DE;
Abstract
A procedure for feeding plastic granulate into the intake opening of a plastic extruder with a storage tank, and with an intermediate storage tank resting on a weighing device. In the procedure, the specified quantity by weight of material processed for the particular batch is determined by the rotations of the extruder screw In order to specify a procedure in which the recipe-, or batch-, change times is considerably shortened and plastic granulate is conserved, it is provided that the intermediate storage tank is filled through opening of the storage tank discharge with a specific quantity by weight of plastic granulate, and the storage tank is filled with its constant fill quantity after re-closure of its discharge, when the sum of the weight of the fill of both storage tanks corresponds to the remaining quantity by weight to be processed by the extruder, and that the conveyance of plastic material into the storage tank is discontinued, and the storage tank discharge is opened one or more times, until she quantity stored in it has entered into the intermediate storage tank.