Reverse osmosis membrane extractor

Details Reverse osmosis membrane extractor Reverse osmosis membrane extractor

2011-03-22

2011-03-22

Wilson, Lee D (Department: 3723)

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

C029S256000, C210S636000

Reexamination Certificate

active

07908724

ABSTRACT:
A tool for removal of a reverse osmosis membrane from a high-pressure vessel (150) includes a plunger (105) fitting within the high-pressure vessel (150); a clamp to secure the tool to the outside of the high-pressure vessel (150); a drive hub (135) secured to the clamp such that an internally threaded passageway (405) in the hub is parallel with the longitudinal axis of the high-pressure vessel (150); and a drive rod (115) threaded to advance within the drive hub (135) through the threaded passageway (405) and push the plunger (105) along the longitudinal axis of the high-pressure vessel (150). Preferred embodiments include a bearing plate (110) affixed to the plunger (105) to spread the load from the drive rod (115) and one or more extension rods (125) to extend the length of the drive rod (115).

REFERENCES:
patent: 2977995 (1961-04-01), Walpole
patent: 5379330 (1995-01-01), Lovell et al.
patent: 6418600 (2002-07-01), Benoit
patent: 6521124 (2003-02-01), Northcut et al.
patent: 6581261 (2003-06-01), Chen

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