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:
Nov. 03, 1992
Filed:
Mar. 05, 1991
Applicant:
Inventors:
Rudi Wollbeck, Erlenbach, DE;
Thomas Zang, Goldbach, DE;
Assignee:
Akzo N.V., Arnhem, NL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D / ; B01D / ; D01D / ; D01F / ;
U.S. Cl.
CPC ...
264 451 ; 425472 ;
Abstract
A hollow fiber module with at least one bundle of hollow fibers made in a U shape, in which each hollow fiber bundle comprises at least two part bundles of different average lengths, the hollow fibers arranged essentially in the form of layers at least in the region of the bend of the U shape, the layers extending substantially parallel to the longitudinal axis of the module, the longitudinal axes of the layers and the longitudinal axis of the module approximately coinciding and the layers forming an angle between them when viewed longitudinally. An apparatus and process for making the hollow fiber module are also disclosed.