End seal construction for semipermeable membrane

Details End seal construction for semipermeable membrane End seal construction for semipermeable membrane

1975-10-08

1977-02-15

Spear, Jr., Frank A.

Liquid purification or separation

Casing divided by membrane into sections having inlet

Energy recovery from treated liquid

210494M, B01D 1300

Patent

active

040081575

ABSTRACT:
A coil dialyzer for use in an artificial kidney system which employs an elongated, open-ended tubularly-shaped, semipermeable membrane is disclosed herein. The ends of the membrane are sealed by forming a flap at each end thereof which defines a fold line extending between the longitudinal edges of the membrane. A wedge-and-groove construction is provided for grasping each folded end of the membrane so as to maintain the fold line and thereby assure the seal.

REFERENCES:
patent: 3397790 (1968-09-01), Newby et al.
patent: 3880760 (1975-04-01), Flandoli

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