GB2276640B - Improvements in or relating to cisterns - Google Patents

Improvements in or relating to cisterns

Info

Publication number
GB2276640B
GB2276640B GB9306571A GB9306571A GB2276640B GB 2276640 B GB2276640 B GB 2276640B GB 9306571 A GB9306571 A GB 9306571A GB 9306571 A GB9306571 A GB 9306571A GB 2276640 B GB2276640 B GB 2276640B
Authority
GB
United Kingdom
Prior art keywords
cisterns
relating
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 - Fee Related
Application number
GB9306571A
Other versions
GB9306571D0 (en
GB2276640A (en
Inventor
Alan David Somerfield
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.)
BTG International Ltd
Original Assignee
British Technology Group Ltd
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 British Technology Group Ltd filed Critical British Technology Group Ltd
Priority to GB9306571A priority Critical patent/GB2276640B/en
Publication of GB9306571D0 publication Critical patent/GB9306571D0/en
Priority to PCT/GB1994/000567 priority patent/WO1994023141A1/en
Publication of GB2276640A publication Critical patent/GB2276640A/en
Application granted granted Critical
Publication of GB2276640B publication Critical patent/GB2276640B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
    • E03D1/02—High-level flushing systems
    • E03D1/06—Cisterns with tube siphons
    • E03D1/08—Siphon action initiated by air or water pressure
    • E03D1/082—Siphon action initiated by air or water pressure in tube siphons
    • E03D1/085—Siphon action initiated by air or water pressure in tube siphons by injection of air or water in the short leg of the siphon
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
    • E03D1/02—High-level flushing systems
    • E03D1/14—Cisterns discharging variable quantities of water also cisterns with bell siphons in combination with flushing valves
    • E03D1/141—Cisterns discharging variable quantities of water also cisterns with bell siphons in combination with flushing valves in cisterns with tube siphons and with tube siphons in combination with flushing valves
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D5/00—Special constructions of flushing devices, e.g. closed flushing system
    • E03D5/02—Special constructions of flushing devices, e.g. closed flushing system operated mechanically or hydraulically (or pneumatically) also details such as push buttons, levers and pull-card therefor
    • E03D5/024—Operated hydraulically or pneumatically

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
GB9306571A 1993-03-30 1993-03-30 Improvements in or relating to cisterns Expired - Fee Related GB2276640B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9306571A GB2276640B (en) 1993-03-30 1993-03-30 Improvements in or relating to cisterns
PCT/GB1994/000567 WO1994023141A1 (en) 1993-03-30 1994-03-21 Improvements in or relating to cisterns

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9306571A GB2276640B (en) 1993-03-30 1993-03-30 Improvements in or relating to cisterns

Publications (3)

Publication Number Publication Date
GB9306571D0 GB9306571D0 (en) 1993-05-26
GB2276640A GB2276640A (en) 1994-10-05
GB2276640B true GB2276640B (en) 1996-07-31

Family

ID=10732972

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9306571A Expired - Fee Related GB2276640B (en) 1993-03-30 1993-03-30 Improvements in or relating to cisterns

Country Status (2)

Country Link
GB (1) GB2276640B (en)
WO (1) WO1994023141A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996006990A1 (en) * 1994-09-01 1996-03-07 Epido Developments Limited A siphon flush device
GB2325942B (en) * 1997-06-03 2001-06-13 David Roy Hathaway Water saving devices
ATE242371T1 (en) * 1997-12-15 2003-06-15 Geberit Technik Ag DEVICE FOR THE PNEUMATIC ACTUATION OF A CIstern
EP2765247B1 (en) * 2013-02-06 2021-10-06 Geberit International AG A siphonic flushing device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2091773A (en) * 1981-01-14 1982-08-04 Edwards Ronald Dorien Dual flush apparatus e.g. for toilet cisterns
GB2205595A (en) * 1987-06-10 1988-12-14 Nat Research & Dev Corp The W.C. cistern

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB211350A (en) * 1923-03-06 1924-02-21 Nicholas Simpson Improvements in flushing cisterns
GB250305A (en) * 1925-01-02 1926-04-06 Thomas Crane Twin or multiple flushing cistern
DE636677C (en) * 1935-10-08 1936-10-12 Felicien Reboul Lifting cistern
DE3729569A1 (en) * 1987-09-04 1989-03-16 Schwab Sanitaer Plastic Gmbh Flushing cistern

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2091773A (en) * 1981-01-14 1982-08-04 Edwards Ronald Dorien Dual flush apparatus e.g. for toilet cisterns
GB2205595A (en) * 1987-06-10 1988-12-14 Nat Research & Dev Corp The W.C. cistern

Also Published As

Publication number Publication date
WO1994023141A1 (en) 1994-10-13
GB9306571D0 (en) 1993-05-26
GB2276640A (en) 1994-10-05

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Legal Events

Date Code Title Description
730A Proceeding under section 30 patents act 1977
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20010330