Process for manufacturing a helical reverse osmosis segment

Details Process for manufacturing a helical reverse osmosis segment Process for manufacturing a helical reverse osmosis segment

1971-07-13

1976-09-28

Spear, Jr., Frank A.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

210321R, 2104971, 264321, 264339, B01D 3100, B01D 1300

Patent

active

039831949

ABSTRACT:
This invention relates to a filtration unit for use in reverse osmosis purification, separation, or concentration plants or systems, and in particular to a unique method of winding a length of reinforced cast membrane tubing into a helical form while subjected to high pressure and elevated temperature.

REFERENCES:
patent: 2864506 (1958-12-01), Hiskey
patent: 3547272 (1970-12-01), Shaines
patent: 3579400 (1971-05-01), Kahyok et al.

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