IT1032892B - Dispositivo di bloccaggio per coperchi di chiusini stradali - Google Patents

Dispositivo di bloccaggio per coperchi di chiusini stradali

Info

Publication number
IT1032892B
IT1032892B IT68247/75A IT6824775A IT1032892B IT 1032892 B IT1032892 B IT 1032892B IT 68247/75 A IT68247/75 A IT 68247/75A IT 6824775 A IT6824775 A IT 6824775A IT 1032892 B IT1032892 B IT 1032892B
Authority
IT
Italy
Prior art keywords
locking device
manhole covers
road manhole
road
covers
Prior art date
Application number
IT68247/75A
Other languages
English (en)
Italian (it)
Inventor
M Oger
J Francois
Original Assignee
Pont A Mousson
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 filed Critical Pont A Mousson
Application granted granted Critical
Publication of IT1032892B publication Critical patent/IT1032892B/it

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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/20—Clamps
    • Y10T292/221—Screw and nut

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)
IT68247/75A 1974-05-22 1975-05-15 Dispositivo di bloccaggio per coperchi di chiusini stradali IT1032892B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7417871A FR2272230B1 (US06265458-20010724-C00056.png) 1974-05-22 1974-05-22

Publications (1)

Publication Number Publication Date
IT1032892B true IT1032892B (it) 1979-06-20

Family

ID=9139170

Family Applications (1)

Application Number Title Priority Date Filing Date
IT68247/75A IT1032892B (it) 1974-05-22 1975-05-15 Dispositivo di bloccaggio per coperchi di chiusini stradali

Country Status (8)

Country Link
US (1) US3994520A (US06265458-20010724-C00056.png)
BE (1) BE829324A (US06265458-20010724-C00056.png)
BR (1) BR7503189A (US06265458-20010724-C00056.png)
DE (1) DE2501434C3 (US06265458-20010724-C00056.png)
FR (1) FR2272230B1 (US06265458-20010724-C00056.png)
GB (1) GB1490776A (US06265458-20010724-C00056.png)
IT (1) IT1032892B (US06265458-20010724-C00056.png)
NL (1) NL177616C (US06265458-20010724-C00056.png)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2481337A1 (fr) * 1980-04-25 1981-10-30 Dumortier Robert Moyens de blocage pour dispositif de verrouillage de tampon de regard de chaussee
EP0039301B1 (fr) * 1980-04-25 1983-07-06 Robert Dumortier Moyens de blocage pour dispositif de verrouillage de tampon de regard de chaussée
FR2685715B1 (fr) * 1991-12-31 1996-08-23 Norinco Dispositif perfectionne de verrouillage d'un tampon sur un cadre, pour regard de chaussee ou analogue.
FR2780996B1 (fr) * 1998-07-10 2000-08-11 Norinco Dispositif de verrouillage et deverrouillage avec cle d'un tampon sur un cadre
FR2908140B1 (fr) * 2006-11-06 2009-02-06 Norinco Soc Par Actions Simpli Dispositif de fermeture pour regard de chaussee a cadre de support d'un panneau monte articule sur le cadre par des moyens d'articulation indemontables
US9184573B1 (en) * 2012-02-28 2015-11-10 Mesquite Fabrication, Inc. Enclosure locking system
CN103205985A (zh) * 2012-12-24 2013-07-17 沈阳嘉润市政工程有限公司 机械加工静音井盖

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1384712A (en) * 1921-07-12 Ma whole
US2663268A (en) * 1952-12-30 1953-12-22 Gen Electric Hatchway closure
US2915330A (en) * 1955-12-27 1959-12-01 Pryor Machine Company Inc Barrel band
US3394836A (en) * 1966-01-28 1968-07-30 George L Fowler Fill tube cap
US3508363A (en) * 1968-06-19 1970-04-28 Mc Graw Edison Co Tamper-proof locking assembly for underground electrical vaults

Also Published As

Publication number Publication date
US3994520A (en) 1976-11-30
DE2501434C3 (de) 1979-03-15
BR7503189A (pt) 1976-04-20
GB1490776A (en) 1977-11-02
FR2272230A1 (US06265458-20010724-C00056.png) 1975-12-19
DE2501434B2 (de) 1978-07-13
DE2501434A1 (de) 1975-11-27
NL177616B (nl) 1985-05-17
NL177616C (nl) 1985-10-16
NL7502289A (nl) 1975-11-25
FR2272230B1 (US06265458-20010724-C00056.png) 1978-08-04
BE829324A (fr) 1975-11-21

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