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:
Feb. 14, 1978
Filed:
Jun. 07, 1976
Applicant:
Inventor:
Paul Havalda, Arlesheim, CH;
Assignee:
Ciba-Geigy Corporation, Ardsley, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F26B / ;
U.S. Cl.
CPC ...
34 71 ; 34 15 ; 159-8 ;
Abstract
A method and apparatus for reducing the liquid content of a layer of material formed on a belt filter where a differential gas pressure is produced across the layer of material with a maximum pressure at the exposed surface thereof and a minimum pressure at the filter belt and the layer of material is mechanically compressed against the filter by a gas permeable pressure surface.