Patent ID: 9498753
Filing Date: 2016-11-22
CPC Classification: B01D,Y10T

Claim Text:
1. A method for sealing a free end of a hollow fiber membrane for use in a single-header filtration module, comprising: inserting an unsecured first end of said membrane in a low-viscosity light-curable adhesive having a viscosity less than 5000 cps; removing said unsecured first end from said adhesive whereby a coating of said adhesive is formed on an exterior of said unsecured first end; after removing said unsecured first end from said adhesive, exposing said unsecured first end to a light source to cure said adhesive; wherein said coating on the exterior of said unsecured first end after said exposing step has a thickness between 0.05 mm and 0.8 mm; securing a second unsealed end of said membrane in a header and wherein said method does not comprise a step of inserting said sealed end of said membrane in a header; and wherein a plurality of said membranes is secured in said header such that a density of unsecured sealed first ends of greater than 70 membranes per square inch is achieved.