Title:
CENTER OPENING TREATMENT TANK FOR USE WITH METAL TANK FLANGES
Document Type and Number:
WIPO Patent Application WO2001079082
Kind Code:
A3
Abstract:
A treatment tank for a water conditioning apparatus has a tank head (14) with a wall (18), a rim (20) defining a through hole (22) in the wall and a tank ring (24) fixed to the rim. The tank ring (24) is coaxial with the tank head and extends generally axially. The tank also has a generally cylindrical flange (40) defining a nipple portion (42) with a peripheral wall (44) that has a lower edge (52). The flange (40) also has a shoulder (48) extending radially from the nipple portion with a top surface (50) and an outer peripheral wall (54) extending downward from the top surface. A fastener assembly (66) is engageable on the top surface (50) of the shoulder (48) for securing the flange (40) on the tank head (14) through contact between the fastener assembly and the tank ring.
Inventors:
VAN NEWENHIZEN JOHN
Application Number:
PCT/US2001/040536
Publication Date:
March 07, 2002
Filing Date:
April 17, 2001
Export Citation:
Assignee:
UNITED STATES FILTER CORP (US)
International Classes:
B65D90/04; C02F1/42; (IPC1-7): B65D90/04; C02F1/42
Foreign References:
| US5345666A | 1994-09-13 | |||
| US5174466A | 1992-12-29 | |||
| EP0510853A2 | 1992-10-28 | |||
| US4240561A | 1980-12-23 |
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