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:
Aug. 19, 2008
Filed:
Sep. 29, 2005
Stefan Dahlheimer, Kleinostheim, DE;
Stefan Dahlheimer, Kleinostheim, DE;
Rieter Automatik GmbH, Grossostheim, DE;
Abstract
A process for the continuous drying of water-surrounded granulate transported by a screen-type belt conveyor. In a first conveying region in the form of a chute, water is withdrawn under gravity from the plastic granulate at a temperature of > than 100° C., wherein, in a following second region on a belt conveyor, any remaining water is substantially removed by air extraction through the belt conveyor, the air extraction taking place at an air speed of > than 20 m per second and with a dwell time in the second region of < than 2 seconds, there being a following third region, as an evaporation zone, with a dwell time of more than two seconds.