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. 25, 1998
Filed:
Jan. 11, 1996
Applicant:
Inventors:
Hans Geissbuehler, Zuzwil, CH;
Heinz Gasser, Wil, CH;
Assignee:
Buehler AG, Uzwil, CH;
Primary Examiner:
Int. Cl.
CPC ...
C30B / ;
U.S. Cl.
CPC ...
117200 ; 2329 / ; 117200 ; 4222451 ;
Abstract
An apparatus for the continuous crystallization of polyester material is described, which apparatus can likewise be used for the drying of granules. The apparatus operates to improve the residence behavior of the material and the process. This is achieved by a circular apparatus having a gas inlet and gas outlet and product entry and product outlet, The product entry and product outlet are arranged concentrically and parallel to the axis of the apparatus. A product outlet device is arranged so that it is axially displaceable.