FR2484498B1 - - Google Patents

Info

Publication number
FR2484498B1
FR2484498B1 FR8013362A FR8013362A FR2484498B1 FR 2484498 B1 FR2484498 B1 FR 2484498B1 FR 8013362 A FR8013362 A FR 8013362A FR 8013362 A FR8013362 A FR 8013362A FR 2484498 B1 FR2484498 B1 FR 2484498B1
Authority
FR
France
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
Application number
FR8013362A
Other languages
French (fr)
Other versions
FR2484498A1 (en
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.)
Pont a Mousson SA
Original Assignee
Pont a Mousson SA
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 Pont a Mousson SA filed Critical Pont a Mousson SA
Priority to FR8013362A priority Critical patent/FR2484498A1/en
Publication of FR2484498A1 publication Critical patent/FR2484498A1/en
Application granted granted Critical
Publication of FR2484498B1 publication Critical patent/FR2484498B1/fr
Granted 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
    • E02D29/1427—Locking devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Component Parts Of Construction Machinery (AREA)
FR8013362A 1980-06-11 1980-06-11 Automatic centring and locking inspection manhole cover - has rounded spigot ends on closure engaging ramps on cover to prevent rocking Granted FR2484498A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8013362A FR2484498A1 (en) 1980-06-11 1980-06-11 Automatic centring and locking inspection manhole cover - has rounded spigot ends on closure engaging ramps on cover to prevent rocking

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8013362A FR2484498A1 (en) 1980-06-11 1980-06-11 Automatic centring and locking inspection manhole cover - has rounded spigot ends on closure engaging ramps on cover to prevent rocking

Publications (2)

Publication Number Publication Date
FR2484498A1 FR2484498A1 (en) 1981-12-18
FR2484498B1 true FR2484498B1 (en) 1983-09-23

Family

ID=9243154

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8013362A Granted FR2484498A1 (en) 1980-06-11 1980-06-11 Automatic centring and locking inspection manhole cover - has rounded spigot ends on closure engaging ramps on cover to prevent rocking

Country Status (1)

Country Link
FR (1) FR2484498A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT380044B (en) * 1983-06-06 1986-03-25 Koessler Johann CONCLUSION FOR SHAFTS, e.g. ON ROADS AND KEYS HIEFUER

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2502209A2 (en) * 1981-03-18 1982-09-24 Pont A Mousson LOOK OF PUTTING
FR2682407B1 (en) * 1991-10-15 1994-01-07 A3C Metal LOOK FOR PAVEMENT OR THE LIKE.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1898871A (en) * 1930-04-07 1933-02-21 Wm C Ellis & Sons Iron Works Manhole cover
US1892830A (en) * 1930-12-30 1933-01-03 Owen T Dougherty Manhole and cover
FR2339023A2 (en) * 1976-01-20 1977-08-19 Sambre & Meuse Usines Round manhole cover which locks in frame - has rotary gravity drop with ramped radial lugs engaging frame notches and obtaining elastic interlock

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT380044B (en) * 1983-06-06 1986-03-25 Koessler Johann CONCLUSION FOR SHAFTS, e.g. ON ROADS AND KEYS HIEFUER

Also Published As

Publication number Publication date
FR2484498A1 (en) 1981-12-18

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse