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:
Dec. 02, 1980
Filed:
Mar. 19, 1979
Masahiro Yamazaki, Kamakura, JP;
Yoshihiro Makuta, Kawasaki, JP;
Yasushi Joh, Yokohama, JP;
Noriaki Kaneko, Yokohama, JP;
Nippon Zeon Co., Ltd., Tokyo, JP;
Abstract
A hollow-fiber permeability apparatus includes a housing having a permeating region, a bundle of permeable-wall hollow fibers in the permeating region, means for supplying a first fluid flowing between the exteriors of the fibers, another means for passing a second fluid through the interiors of fibers such that materials selectively permeate through the walls of the fibers, and an enlarged cross-section portion to define at least one compartment between the bundle and a wall of the housing and having an inlet opening for introducing the first fluid into the housing, the permeating region having a flattened cross-section in the direction substantially perpendicular to the lengthwise direction of the fibers, and the enlarged cross-section portion being formed at least along substantially the whole lengths of the longer side of the cross section of the permeating region.