FR1364022A - Improvements to the manhole covers - Google Patents

Improvements to the manhole covers

Info

Publication number
FR1364022A
FR1364022A FR933726A FR933726A FR1364022A FR 1364022 A FR1364022 A FR 1364022A FR 933726 A FR933726 A FR 933726A FR 933726 A FR933726 A FR 933726A FR 1364022 A FR1364022 A FR 1364022A
Authority
FR
France
Prior art keywords
manhole covers
manhole
covers
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
FR933726A
Other languages
French (fr)
Inventor
Jean-Louis Guillamon
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 filed Critical
Priority to FR933726A priority Critical patent/FR1364022A/en
Application granted granted Critical
Publication of FR1364022A publication Critical patent/FR1364022A/en
Expired legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/12Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14Covers for manholes or the like; Frames for covers

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)
FR933726A 1963-05-06 1963-05-06 Improvements to the manhole covers Expired FR1364022A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR933726A FR1364022A (en) 1963-05-06 1963-05-06 Improvements to the manhole covers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR933726A FR1364022A (en) 1963-05-06 1963-05-06 Improvements to the manhole covers

Publications (1)

Publication Number Publication Date
FR1364022A true FR1364022A (en) 1964-06-19

Family

ID=8803098

Family Applications (1)

Application Number Title Priority Date Filing Date
FR933726A Expired FR1364022A (en) 1963-05-06 1963-05-06 Improvements to the manhole covers

Country Status (1)

Country Link
FR (1) FR1364022A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3343003A1 (en) * 1982-11-27 1984-05-30 Selflevel Covers AG, Basel Duct cover
EP0427911A1 (en) * 1989-11-06 1991-05-22 Passavant-Werke Ag Cast iron and concrete circular manhole cover with ventilation slots

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3343003A1 (en) * 1982-11-27 1984-05-30 Selflevel Covers AG, Basel Duct cover
EP0427911A1 (en) * 1989-11-06 1991-05-22 Passavant-Werke Ag Cast iron and concrete circular manhole cover with ventilation slots

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