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:
Oct. 05, 1982
Filed:
Dec. 08, 1980
Toyo Boseki Kabushiki Kaisha, Osaka, JP;
Abstract
A hollow fiber assembly having a selective permeability including cylindrical arrangements of hollow fibers having selective permeability comprising mainly a cylindrical layer of hollow fibers formed by a crisscross arrangement of hollow fibers, a hollow portion which exists inside the above cylindrical layer of hollow fibers, a plurality of engaging members which are respectively separated from one another in said hollow portion, a resin wall (A) which is disposed at an open end of said hollow fibers and arranged to be open to the exterior without leaving any space between said fibers and with separation from said engaging means, a resin wall (B) which is disposed at the other end of said assembly for fixing the end of said assembly, an elastic supporting member for controlling the distance between the two resin walls (A) and (B), and a fluid supply conduit.