Apparatus for casting tubular, polymeric membranes for reverse o

Details Apparatus for casting tubular, polymeric membranes for reverse o Apparatus for casting tubular, polymeric membranes for reverse o

1978-03-03

1979-12-04

Anderson, Philip

Plastic article or earthenware shaping or treating: apparatus

Shaping member for traversing the interior surface of hollow...

210500M, 264 404, 264 41, 264299, 425147, B29D 2308, B29D 2704

Patent

active

041770315

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.

REFERENCES:
patent: 3387348 (1968-06-01), Kilgallon
patent: 3446359 (1969-05-01), Loeb et al.
patent: 3524757 (1970-08-01), Havens
patent: 3544358 (1970-12-01), Manjikian
patent: 3676193 (1972-07-01), Cooper et al.
patent: 3929945 (1975-12-01), Thayer et al.
patent: 4067675 (1978-01-01), Hanson

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