CA2526832A1 - Water treatment devices and cartridges therefor - Google Patents

Water treatment devices and cartridges therefor Download PDF

Info

Publication number
CA2526832A1
CA2526832A1 CA002526832A CA2526832A CA2526832A1 CA 2526832 A1 CA2526832 A1 CA 2526832A1 CA 002526832 A CA002526832 A CA 002526832A CA 2526832 A CA2526832 A CA 2526832A CA 2526832 A1 CA2526832 A1 CA 2526832A1
Authority
CA
Canada
Prior art keywords
tube
cartridge
water
housing
surrounds
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002526832A
Other languages
French (fr)
Other versions
CA2526832C (en
Inventor
John D. Tanner
David James Emmons
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pur Water Purification Products Inc
Original Assignee
Pur Water Purification Products, Inc.
John D. Tanner
David James Emmons
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pur Water Purification Products, Inc., John D. Tanner, David James Emmons filed Critical Pur Water Purification Products, Inc.
Publication of CA2526832A1 publication Critical patent/CA2526832A1/en
Application granted granted Critical
Publication of CA2526832C publication Critical patent/CA2526832C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F9/00—Multistage treatment of water, waste water or sewage
    • C02F9/20—Portable or detachable small-scale multistage treatment devices, e.g. point of use or laboratory water purification systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/30—Filter housing constructions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D27/00—Cartridge filters of the throw-away type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/29—Filter cartridge constructions
    • B01D2201/291—End caps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/30—Filter housing constructions
    • B01D2201/301—Details of removable closures, lids, caps, filter heads
    • B01D2201/302—Details of removable closures, lids, caps, filter heads having inlet or outlet ports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/30—Filter housing constructions
    • B01D2201/301—Details of removable closures, lids, caps, filter heads
    • B01D2201/304—Seals or gaskets
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/28—Treatment of water, waste water, or sewage by sorption
    • C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2201/00—Apparatus for treatment of water, waste water or sewage
    • C02F2201/002—Construction details of the apparatus
    • C02F2201/006—Cartridges

Abstract

A cartridge for treating water, the cartridge capable of releasably engaging a water treatment device. The cartridge includes a housing, an inlet for introducing untreated water into the cartridge, an outlet port for egress of treated water from the cartridge, and a treatment media for treating untreated water. The treatment media is in fluid communication with the inlet and the outlet port. The cartridge further includes a first tube having an inside surface, an outside surface, a proximal end, and a distal end, where the inside surface and/or the outside surface is a sealing surface. The cartridge further includes a second tube having an inside surface, an outside surface, a proximal end, and a distal end, where the inside surface and/or the outside surface is a sealing surface. The first tube extends from the housing and surrounds the outlet port. At least a portion of the first tube or the second tube surrounds the other such that a gap is formed between the first tube and the second tube. The gap is capable of holding a volume of water. The first tube extends outwardly from the housing and surrounds the outlet port, and the second tube extends outwardly from the housing and surrounds the first tube such that a gap is formed between the first and second tubes, the gap capable of holding from about 0.1 ml to about 6 ml of water when the cartridge is not sealingly engaged to the water treatment device, and such that the distal end of the second tube extends a greater distance than the distal end of the first tube from the housing, and such that at least one of the sealing surfaces of the second tube extends a greater distance than at least of one of the sealing surfaces of the first tube from the housing.
CA002526832A 2003-05-23 2004-05-24 Water treatment devices and cartridges therefor Active CA2526832C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US47327103P 2003-05-23 2003-05-23
US60/473,271 2003-05-23
US10/665,948 2003-09-18
US10/665,948 US7441664B2 (en) 2003-05-23 2003-09-18 Water treatment devices and cartridges therefor
PCT/US2004/016551 WO2004105916A1 (en) 2003-05-23 2004-05-24 Water treatment devices and cartridges therefor

Publications (2)

Publication Number Publication Date
CA2526832A1 true CA2526832A1 (en) 2004-12-09
CA2526832C CA2526832C (en) 2009-02-03

Family

ID=33457442

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002526832A Active CA2526832C (en) 2003-05-23 2004-05-24 Water treatment devices and cartridges therefor

Country Status (16)

Country Link
US (1) US7441664B2 (en)
EP (1) EP1628733A1 (en)
JP (1) JP4392021B2 (en)
KR (1) KR100757728B1 (en)
CN (1) CN100411705C (en)
AR (1) AR044769A1 (en)
AU (2) AU2004242948B2 (en)
BR (1) BRPI0410568B1 (en)
CA (1) CA2526832C (en)
CO (1) CO5640043A2 (en)
IL (1) IL171872A (en)
MA (1) MA27810A1 (en)
MX (1) MXPA05012627A (en)
RU (1) RU2340386C2 (en)
WO (1) WO2004105916A1 (en)
ZA (1) ZA200508555B (en)

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USD919042S1 (en) * 2019-06-25 2021-05-11 Tianjin Premium E-Commerce Co., Ltd. Filter for water faucet

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Also Published As

Publication number Publication date
RU2340386C2 (en) 2008-12-10
CN1784256A (en) 2006-06-07
CO5640043A2 (en) 2006-05-31
EP1628733A1 (en) 2006-03-01
JP2006525870A (en) 2006-11-16
BRPI0410568A (en) 2006-06-20
AR044769A1 (en) 2005-10-05
BRPI0410568B1 (en) 2014-01-28
AU2008249239B2 (en) 2011-03-03
US7441664B2 (en) 2008-10-28
CA2526832C (en) 2009-02-03
WO2004105916A1 (en) 2004-12-09
AU2004242948A1 (en) 2004-12-09
KR20060003109A (en) 2006-01-09
MXPA05012627A (en) 2006-02-08
AU2008249239A1 (en) 2008-12-18
AU2004242948B2 (en) 2008-09-25
JP4392021B2 (en) 2009-12-24
MA27810A1 (en) 2006-03-01
RU2005136377A (en) 2006-06-27
ZA200508555B (en) 2006-11-29
KR100757728B1 (en) 2007-09-11
US20040232065A1 (en) 2004-11-25
CN100411705C (en) 2008-08-20
IL171872A (en) 2010-04-15

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