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:
Jun. 13, 1989
Filed:
Sep. 02, 1987
Applicant:
Inventors:
Assignee:
Organon Teknika B.V., , NL;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B31C / ;
U.S. Cl.
CPC ...
156175 ; 156213 ; 156250 ; 156296 ; 242 53 ;
Abstract
Manufacture of bundles of at least 1000 semi-permeable hollow fibres for use in filters such as, e.g., blood, plasma and dialysate filters, and in artificial kidneys. One or more hollow filaments are wound onto a reel until the formed package contains the number of filaments required for bundle formation. After which the package is cut into fibre bundles of the desired length. The package is held in one place of the reel and a free end is introduced into a sleeve having a length which is a number of times that of the length of the fibre bundle in the final filter. The sleeve is cut into fibre bundles of the desired length.