DE68913483D1 - Gerät zum Belüften eines Behälters, der durch ein Mannloch zugänglich ist. - Google Patents

Gerät zum Belüften eines Behälters, der durch ein Mannloch zugänglich ist.

Info

Publication number
DE68913483D1
DE68913483D1 DE89250132T DE68913483T DE68913483D1 DE 68913483 D1 DE68913483 D1 DE 68913483D1 DE 89250132 T DE89250132 T DE 89250132T DE 68913483 T DE68913483 T DE 68913483T DE 68913483 D1 DE68913483 D1 DE 68913483D1
Authority
DE
Germany
Prior art keywords
manhole
sections
central section
cylindrical
conduit
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
DE89250132T
Other languages
English (en)
Other versions
DE68913483T2 (de
Inventor
Russel B Gordon
Jimmy A Gordon
Marion W Smith
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.)
Air Systems Inc
Original Assignee
Air Systems Inc
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 Air Systems Inc filed Critical Air Systems Inc
Publication of DE68913483D1 publication Critical patent/DE68913483D1/de
Application granted granted Critical
Publication of DE68913483T2 publication Critical patent/DE68913483T2/de
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
    • E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/08—Ventilation of sewers

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Public Health (AREA)
  • Hydrology & Water Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Paleontology (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Sewage (AREA)
DE68913483T 1988-12-30 1989-12-29 Gerät zum Belüften eines Behälters, der durch ein Mannloch zugänglich ist. Expired - Fee Related DE68913483T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/292,428 US4982653A (en) 1987-07-10 1988-12-30 Method and apparatus for ventilating an enclosure accessed by a manhole

Publications (2)

Publication Number Publication Date
DE68913483D1 true DE68913483D1 (de) 1994-04-07
DE68913483T2 DE68913483T2 (de) 1994-06-01

Family

ID=23124635

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68913483T Expired - Fee Related DE68913483T2 (de) 1988-12-30 1989-12-29 Gerät zum Belüften eines Behälters, der durch ein Mannloch zugänglich ist.

Country Status (4)

Country Link
US (1) US4982653A (de)
EP (1) EP0376425B1 (de)
AT (1) ATE102275T1 (de)
DE (1) DE68913483T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2576744B2 (ja) * 1991-11-05 1997-01-29 日揮株式会社 液液接触塔
US6548760B1 (en) * 2000-12-11 2003-04-15 Eastern Sheet Metal, Inc. One-piece seamless reducer
US6889948B2 (en) 2001-12-06 2005-05-10 Malcom R. Melancon Flange for connecting fan to manway
FR2846585B1 (fr) * 2002-10-30 2006-02-03 Prospection Et D Inv S Tech So Tube d'alimentation en elements de fixation pour un appareil de fixation
US6843274B1 (en) * 2003-06-25 2005-01-18 Air Systems International, Inc. Electrically conductive confined space ventilator conduit formed of conductive polymer, electrical grounding circuit for ventilation system using same, and methods of using and forming same
US8607827B2 (en) 2010-11-22 2013-12-17 Euramax International, Inc. Low profile downspout extension with non-rectangular outlet
US8574045B2 (en) 2010-12-17 2013-11-05 Dina Warner Frost-free vent assembly
US10214345B1 (en) * 2011-12-12 2019-02-26 Cameron Gordon Howie Entryway protective collar

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US396773A (en) * 1889-01-29 Adjustable curved pipe-section
US1191621A (en) * 1914-08-11 1916-07-18 Charles G Schmidt Hose-nozzle.
US1900642A (en) * 1928-11-09 1933-03-07 Siemens Ag Ventilating device for subterranean spaces
US1782779A (en) * 1929-05-15 1930-11-25 Nat Electric Prod Corp Fitting for electrical-conduit systems
US2056782A (en) * 1934-08-22 1936-10-06 Carl H Crawford Conduit structure bend
US2364144A (en) * 1942-01-29 1944-12-05 Claude H Hunsaker Thermally regulated enclosure for electrical equipment
US2420123A (en) * 1943-08-21 1947-05-06 Melbourne J Cooper Heat circulating device
DE966378C (de) * 1952-12-07 1957-08-01 Siemens Ag Belueftungsgeraet fuer Ladeoeltanks bei Tankschiffen
US3093056A (en) * 1961-08-22 1963-06-11 Morton M Rosenfeld Ventilation system
DE1484889A1 (de) * 1964-08-04 1969-05-22 Johann Ritter Einlage-Geruchsverschluss
US3359883A (en) * 1965-08-26 1967-12-26 Charles F Wirth Heating duct attachment
US3467301A (en) * 1968-04-01 1969-09-16 Western Progress Inc Vehicle mounted blower assembly with hose and support bracket
US3610524A (en) * 1969-11-03 1971-10-05 Polaroid Corp Manhole ventilating and heating system
US3894302A (en) * 1972-03-08 1975-07-15 Tyler Pipe Ind Inc Self-venting fitting
US3757664A (en) * 1972-06-20 1973-09-11 D Jalbert Cloth ventilator
US4023833A (en) * 1976-04-27 1977-05-17 Texaco Trinidad, Inc. Elbow coupler
US4285269A (en) * 1978-03-13 1981-08-25 T. A. Pelsue Company Portable ventilating apparatus for purging underground installations and the like
US4463779A (en) * 1982-03-05 1984-08-07 The Gates Rubber Company Formable, shape retentive hose
US4794956A (en) * 1987-07-10 1989-01-03 Saddle Vent Inc. Air conduit for manhole

Also Published As

Publication number Publication date
EP0376425A2 (de) 1990-07-04
US4982653A (en) 1991-01-08
ATE102275T1 (de) 1994-03-15
EP0376425A3 (de) 1991-06-26
DE68913483T2 (de) 1994-06-01
EP0376425B1 (de) 1994-03-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee