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. 04, 1979
Filed:
Mar. 03, 1978
Canadian Patents and Development Limited, Ottawa, CA;
Abstract
An apparatus for casting tubular polymeric membranes for reverse osmosis and ultrafiltration which includes a plurality of upwardly extending casting tubes, a manifold with branch outlets for mounting the casting tubes to extend upwardly therefrom, a casting bob assembly comprising a centering sleeve with a screw threaded bore and cylindrical extension, a casting bob screwed into the centering sleeve and having casting solution outlet ports to an annular gap between the casting bob and the casting sleeve, the annular gap being adjustable by screwing the casting bob into and out of the centering sleeve, and a transport sleeve which is pressed on to the casting bob and the cylindrical extension of the centering sleeve for transporting the assembly from one casting tube to another between casting operations and a flexible sleeve and a hose clamp for releasably securing the transport sleeve in a lower end of each casting and sealing the lower ends of each casting tube to a branch outlet.