FR2822481B1 - SAFETY HATCH WHICH CAN BE USED IN PARTICULAR FOR SEALING THE ACCESS HOLES AT THE PURIFICATION STATIONS - Google Patents

SAFETY HATCH WHICH CAN BE USED IN PARTICULAR FOR SEALING THE ACCESS HOLES AT THE PURIFICATION STATIONS

Info

Publication number
FR2822481B1
FR2822481B1 FR0103941A FR0103941A FR2822481B1 FR 2822481 B1 FR2822481 B1 FR 2822481B1 FR 0103941 A FR0103941 A FR 0103941A FR 0103941 A FR0103941 A FR 0103941A FR 2822481 B1 FR2822481 B1 FR 2822481B1
Authority
FR
France
Prior art keywords
sealing
access holes
safety hatch
purification stations
stations
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
FR0103941A
Other languages
French (fr)
Other versions
FR2822481A1 (en
Inventor
Jacques Marie Maurice Duhoo
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.)
TRANSFORMATION IND DE MATERIEL
Original Assignee
TRANSFORMATION IND DE MATERIEL
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 TRANSFORMATION IND DE MATERIEL filed Critical TRANSFORMATION IND DE MATERIEL
Priority to FR0103941A priority Critical patent/FR2822481B1/en
Priority to EP02370007A priority patent/EP1243705A1/en
Publication of FR2822481A1 publication Critical patent/FR2822481A1/en
Application granted granted Critical
Publication of FR2822481B1 publication Critical patent/FR2822481B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • 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
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E02D29/1418—Covers for manholes or the like; Frames for covers with implements to assist in lifting, e.g. counterweights, springs
    • 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
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E02D29/1454—Non-circular covers, e.g. hexagonal, elliptic
    • 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
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • E02D29/1463—Hinged connection of cover to frame
FR0103941A 2001-03-23 2001-03-23 SAFETY HATCH WHICH CAN BE USED IN PARTICULAR FOR SEALING THE ACCESS HOLES AT THE PURIFICATION STATIONS Expired - Fee Related FR2822481B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR0103941A FR2822481B1 (en) 2001-03-23 2001-03-23 SAFETY HATCH WHICH CAN BE USED IN PARTICULAR FOR SEALING THE ACCESS HOLES AT THE PURIFICATION STATIONS
EP02370007A EP1243705A1 (en) 2001-03-23 2002-03-21 Safety cover for closing openings at waste water purification plants

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0103941A FR2822481B1 (en) 2001-03-23 2001-03-23 SAFETY HATCH WHICH CAN BE USED IN PARTICULAR FOR SEALING THE ACCESS HOLES AT THE PURIFICATION STATIONS

Publications (2)

Publication Number Publication Date
FR2822481A1 FR2822481A1 (en) 2002-09-27
FR2822481B1 true FR2822481B1 (en) 2003-08-01

Family

ID=8861469

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0103941A Expired - Fee Related FR2822481B1 (en) 2001-03-23 2001-03-23 SAFETY HATCH WHICH CAN BE USED IN PARTICULAR FOR SEALING THE ACCESS HOLES AT THE PURIFICATION STATIONS

Country Status (2)

Country Link
EP (1) EP1243705A1 (en)
FR (1) FR2822481B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2851590B1 (en) * 2003-02-26 2005-05-13 Fmc Corp WATER-SEALED CLOSURE DEVICE OF AN OPENING, SUCH AS GROUNDING LOOK
DE102008012489A1 (en) * 2008-03-04 2009-09-17 Lic Langmatz Gmbh Lockable closure device
GB2574069B (en) * 2018-05-26 2020-05-20 Caswick Ltd Manhole access
US11008728B2 (en) 2018-05-26 2021-05-18 Caswick Limited Manhole device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1787984U (en) * 1958-12-08 1959-04-30 Franz Koehler ARRANGEMENT FOR CLOSING THE ENTRANCE OPENING OF AN UNDERGROUND MANHOLE.
US3974599A (en) * 1971-12-08 1976-08-17 Indian Head Inc. Underground reinforced plastic enclosure
FR2424372A1 (en) * 1978-04-24 1979-11-23 Dumortier Robert Lever latch securing circular manhole cover to frame - has lateral V=shape with apex axle top leg forming hand lever and lower leg including bolt hook
US4266380A (en) * 1979-02-09 1981-05-12 Christy Concrete Products, Inc. High strength cover for underground utility box
DE3423184C2 (en) * 1984-06-22 1994-11-03 Albert Stewing Underfloor station for cable distribution equipment in telecommunications
EP0985770A1 (en) * 1998-09-08 2000-03-15 Furnes-Hamjern SCC AS Manhole assembly for covering a well

Also Published As

Publication number Publication date
EP1243705A1 (en) 2002-09-25
FR2822481A1 (en) 2002-09-27

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Legal Events

Date Code Title Description
PLFP Fee payment

Year of fee payment: 16

PLFP Fee payment

Year of fee payment: 17

PLFP Fee payment

Year of fee payment: 18

ST Notification of lapse

Effective date: 20191106