FR2276767A7 - ELASTIC LOCKING DEVICE FOR PASSAGE MANUAL PAD - Google Patents

ELASTIC LOCKING DEVICE FOR PASSAGE MANUAL PAD

Info

Publication number
FR2276767A7
FR2276767A7 FR7422354A FR7422354A FR2276767A7 FR 2276767 A7 FR2276767 A7 FR 2276767A7 FR 7422354 A FR7422354 A FR 7422354A FR 7422354 A FR7422354 A FR 7422354A FR 2276767 A7 FR2276767 A7 FR 2276767A7
Authority
FR
France
Prior art keywords
locking device
elastic locking
manual pad
passage manual
passage
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
Application number
FR7422354A
Other languages
French (fr)
Inventor
Jacques Francois Marie Oger
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 FR7422354A priority Critical patent/FR2276767A7/en
Priority to GB2650675A priority patent/GB1482313A/en
Application granted granted Critical
Publication of FR2276767A7 publication Critical patent/FR2276767A7/en
Expired 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)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
FR7422354A 1974-06-25 1974-06-25 ELASTIC LOCKING DEVICE FOR PASSAGE MANUAL PAD Expired FR2276767A7 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7422354A FR2276767A7 (en) 1974-06-25 1974-06-25 ELASTIC LOCKING DEVICE FOR PASSAGE MANUAL PAD
GB2650675A GB1482313A (en) 1974-06-25 1975-06-23 Manhole covers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7422354A FR2276767A7 (en) 1974-06-25 1974-06-25 ELASTIC LOCKING DEVICE FOR PASSAGE MANUAL PAD

Publications (1)

Publication Number Publication Date
FR2276767A7 true FR2276767A7 (en) 1976-01-23

Family

ID=9140569

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7422354A Expired FR2276767A7 (en) 1974-06-25 1974-06-25 ELASTIC LOCKING DEVICE FOR PASSAGE MANUAL PAD

Country Status (2)

Country Link
FR (1) FR2276767A7 (en)
GB (1) GB1482313A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0420777A1 (en) * 1989-09-29 1991-04-03 Pont-A-Mousson S.A. Manhole cover with locked hinge
EP0506590A1 (en) * 1991-03-27 1992-09-30 Pont-A-Mousson S.A. Means for securing a cover to a manhole frame

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109056835A (en) * 2018-10-23 2018-12-21 王龙 A kind of environment protecting separate type has the well lid of alarm function

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0420777A1 (en) * 1989-09-29 1991-04-03 Pont-A-Mousson S.A. Manhole cover with locked hinge
FR2652598A1 (en) * 1989-09-29 1991-04-05 Pont A Mousson LOOKING HINGE WITH LOCKED HINGE.
EP0506590A1 (en) * 1991-03-27 1992-09-30 Pont-A-Mousson S.A. Means for securing a cover to a manhole frame
FR2674550A1 (en) * 1991-03-27 1992-10-02 Pont A Mousson MEANS FOR SECURING A COVERING PIECE TO A ROAD PIECE FRAME.

Also Published As

Publication number Publication date
GB1482313A (en) 1977-08-10

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