DE69700054T2 - Flame extinguisher for free-level sewage pipes - Google Patents

Flame extinguisher for free-level sewage pipes

Info

Publication number
DE69700054T2
DE69700054T2 DE1997600054 DE69700054T DE69700054T2 DE 69700054 T2 DE69700054 T2 DE 69700054T2 DE 1997600054 DE1997600054 DE 1997600054 DE 69700054 T DE69700054 T DE 69700054T DE 69700054 T2 DE69700054 T2 DE 69700054T2
Authority
DE
Germany
Prior art keywords
free
sewage pipes
level sewage
flame extinguisher
extinguisher
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
DE1997600054
Other languages
German (de)
Other versions
DE69700054D1 (en
Inventor
Johannes Gerardus Vliegen
Wilhelmus Johannes Pet Janssen
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.)
DSM IP Assets BV
Original Assignee
DSM NV
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 DSM NV filed Critical DSM NV
Application granted granted Critical
Publication of DE69700054D1 publication Critical patent/DE69700054D1/en
Publication of DE69700054T2 publication Critical patent/DE69700054T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/24—Installations for neutralising explosions in sewers
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/20—Siphon pipes or inverted siphons

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Fire-Extinguishing Compositions (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
DE1997600054 1996-06-17 1997-06-16 Flame extinguisher for free-level sewage pipes Expired - Fee Related DE69700054T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1003359A NL1003359C2 (en) 1996-06-17 1996-06-17 Flame arrester for a free-fall sewer.

Publications (2)

Publication Number Publication Date
DE69700054D1 DE69700054D1 (en) 1999-01-07
DE69700054T2 true DE69700054T2 (en) 1999-07-15

Family

ID=19763026

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1997600054 Expired - Fee Related DE69700054T2 (en) 1996-06-17 1997-06-16 Flame extinguisher for free-level sewage pipes

Country Status (3)

Country Link
EP (1) EP0814211B1 (en)
DE (1) DE69700054T2 (en)
NL (1) NL1003359C2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SG10201400510QA (en) * 2014-03-10 2015-10-29 Boon Pen Chua A method of priming a drainage apparatus for siphoning liquid, and a drainage apparatus
CN105369885B (en) * 2015-12-10 2017-04-12 上海化工研究院 Inverted siphon type anti-deflagration safety dredging and blocking device for sewage pipeline
CN112112243B (en) * 2020-09-29 2021-07-27 宁波大学 Structure for reducing pressure of blowout of urban drainage shaft

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR752552A (en) * 1933-03-17 1933-09-26 Siphoid box for sewer connection of building connections
DE1209514B (en) * 1957-10-23 1966-01-20 Beteiligungs & Patentverw Gmbh Multipart Dueker or tunnel tubes
DE2710478A1 (en) * 1977-03-10 1978-09-14 Rolf Stahn Subterranean water-course sediment anti-accumulation system - has mechanical agitator to create spiral flow combined with existing flow

Also Published As

Publication number Publication date
EP0814211B1 (en) 1998-11-25
DE69700054D1 (en) 1999-01-07
EP0814211A1 (en) 1997-12-29
NL1003359C2 (en) 1997-12-19

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: DSM IP ASSETS B.V., HEERLEN, NL

8339 Ceased/non-payment of the annual fee