Membrane element sealing material holding member and...

Details Membrane element sealing material holding member and... Membrane element sealing material holding member and...

2011-01-11

2011-01-11

Menon, Krishnan S (Department: 1797)

Liquid purification or separation

Casing divided by membrane into sections having inlet

Planar membrane

C210S321760

Reexamination Certificate

active

07867394

ABSTRACT:
A membrane element sealing material holding member comprising a central opening for insertion of a center tube of spiral membrane element, peripheral orifice for flowing of a raw liquid into a membrane end portion of membrane element and outer circumferential part for holding of circular sealing material, wherein the central opening has inner circumferential surface of cylindrical form with a diameter larger than the outer diameter of the inserted center tube, and wherein at three or more positions on the inner circumferential surface, there is provided projection that has sloping face on its side of center tube insertion and is deformable at the time of insertion of center tube with an outer diameter larger than that of incircle.

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