GB2391186B - Controlled dosing device for toilet flush water or other applications - Google Patents

Controlled dosing device for toilet flush water or other applications

Info

Publication number
GB2391186B
GB2391186B GB0312207A GB0312207A GB2391186B GB 2391186 B GB2391186 B GB 2391186B GB 0312207 A GB0312207 A GB 0312207A GB 0312207 A GB0312207 A GB 0312207A GB 2391186 B GB2391186 B GB 2391186B
Authority
GB
United Kingdom
Prior art keywords
applications
dosing device
flush water
toilet flush
controlled dosing
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.)
Expired - Lifetime
Application number
GB0312207A
Other versions
GB0312207D0 (en
GB2391186A (en
Inventor
John Baker
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB0312207D0 publication Critical patent/GB0312207D0/en
Publication of GB2391186A publication Critical patent/GB2391186A/en
Application granted granted Critical
Publication of GB2391186B publication Critical patent/GB2391186B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
    • C02F1/685—Devices for dosing the additives
    • C02F1/686—Devices for dosing liquid additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J4/00—Feed or outlet devices; Feed or outlet control devices
    • B01J4/04—Feed or outlet devices; Feed or outlet control devices using osmotic pressure using membranes, porous plates
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
    • E03D9/02—Devices adding a disinfecting, deodorising, or cleaning agent to the water while flushing
    • E03D9/03—Devices adding a disinfecting, deodorising, or cleaning agent to the water while flushing consisting of a separate container with an outlet through which the agent is introduced into the flushing water, e.g. by suction ; Devices for agents in direct contact with flushing water
    • 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
    • C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • 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
    • C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
    • C02F1/505—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment by oligodynamic treatment
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F5/00—Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Environmental & Geological Engineering (AREA)
  • Epidemiology (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
GB0312207A 2002-05-28 2003-05-28 Controlled dosing device for toilet flush water or other applications Expired - Lifetime GB2391186B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0212305A GB0212305D0 (en) 2002-05-28 2002-05-28 Controlled dosing device

Publications (3)

Publication Number Publication Date
GB0312207D0 GB0312207D0 (en) 2003-07-02
GB2391186A GB2391186A (en) 2004-02-04
GB2391186B true GB2391186B (en) 2004-11-03

Family

ID=9937590

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0212305A Ceased GB0212305D0 (en) 2002-05-28 2002-05-28 Controlled dosing device
GB0312207A Expired - Lifetime GB2391186B (en) 2002-05-28 2003-05-28 Controlled dosing device for toilet flush water or other applications

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0212305A Ceased GB0212305D0 (en) 2002-05-28 2002-05-28 Controlled dosing device

Country Status (1)

Country Link
GB (2) GB0212305D0 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8702995B2 (en) 2008-05-27 2014-04-22 Dober Chemical Corp. Controlled release of microbiocides

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITRE20040084A1 (en) 2004-07-14 2004-10-14 Re Le Vi Spa DISPENSER FOR WC WITH PERFUME ROOM
US20070163968A1 (en) * 2006-01-17 2007-07-19 Johnsondiversey, Inc. Method and apparatus for providing treatment chemicals to process water systems
US8591747B2 (en) 2008-05-27 2013-11-26 Dober Chemical Corp. Devices and methods for controlled release of additive compositions
CN102635153B (en) * 2012-02-20 2015-04-22 浙江工业大学 Membrane controlled toilet cleaner
CN103819007A (en) * 2014-02-21 2014-05-28 上海万森水处理有限公司 Hydrogel driven medicine constant-release apparatus
CN106145409A (en) * 2015-04-03 2016-11-23 佛山市顺德区美的饮水机制造有限公司 Defecator and purifying drinking appliance

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3732865A (en) * 1971-01-13 1973-05-15 Alza Corp Osmotic dispenser
US3760805A (en) * 1971-01-13 1973-09-25 Alza Corp Osmotic dispenser with collapsible supply container
US4034756A (en) * 1971-01-13 1977-07-12 Alza Corporation Osmotically driven fluid dispenser
GB2048710A (en) * 1979-05-07 1980-12-17 Alza Corp Osmotically Driven Fluid Dispenser
EP0040457A2 (en) * 1980-04-28 1981-11-25 Alza Corporation Agent dispenser with microporous releasing diffusor
EP0089548A1 (en) * 1982-03-18 1983-09-28 Merck & Co. Inc. Osmotic drug delivery system
GB2167972A (en) * 1984-12-06 1986-06-11 Alza Corp Dispensing device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3732865A (en) * 1971-01-13 1973-05-15 Alza Corp Osmotic dispenser
US3760805A (en) * 1971-01-13 1973-09-25 Alza Corp Osmotic dispenser with collapsible supply container
US4034756A (en) * 1971-01-13 1977-07-12 Alza Corporation Osmotically driven fluid dispenser
GB2048710A (en) * 1979-05-07 1980-12-17 Alza Corp Osmotically Driven Fluid Dispenser
EP0040457A2 (en) * 1980-04-28 1981-11-25 Alza Corporation Agent dispenser with microporous releasing diffusor
EP0089548A1 (en) * 1982-03-18 1983-09-28 Merck & Co. Inc. Osmotic drug delivery system
GB2167972A (en) * 1984-12-06 1986-06-11 Alza Corp Dispensing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8702995B2 (en) 2008-05-27 2014-04-22 Dober Chemical Corp. Controlled release of microbiocides

Also Published As

Publication number Publication date
GB0312207D0 (en) 2003-07-02
GB0212305D0 (en) 2002-07-10
GB2391186A (en) 2004-02-04

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20130321 AND 20130327

PE20 Patent expired after termination of 20 years

Expiry date: 20230527