FR774918A - Couvercle de regard - Google Patents

Couvercle de regard

Info

Publication number
FR774918A
FR774918A FR774918DA FR774918A FR 774918 A FR774918 A FR 774918A FR 774918D A FR774918D A FR 774918DA FR 774918 A FR774918 A FR 774918A
Authority
FR
France
Prior art keywords
manhole cover
manhole
cover
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
Other languages
English (en)
Inventor
Hagi
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
Application granted granted Critical
Publication of FR774918A publication Critical patent/FR774918A/fr
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

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)
FR774918D 1934-06-25 1934-06-25 Couvercle de regard Expired FR774918A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR774918T 1934-06-25

Publications (1)

Publication Number Publication Date
FR774918A true FR774918A (fr) 1934-12-17

Family

ID=9200135

Family Applications (1)

Application Number Title Priority Date Filing Date
FR774918D Expired FR774918A (fr) 1934-06-25 1934-06-25 Couvercle de regard

Country Status (1)

Country Link
FR (1) FR774918A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2521188A2 (fr) * 1981-10-19 1983-08-12 Pont A Mousson Perfectionnement a un regard a tampon auto-fermeur a centrage et verrouillage automatiques
CN114150706A (zh) * 2021-11-29 2022-03-08 安徽省飞龙新型材料有限公司 一种可变形的两用型井盖及其使用方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2521188A2 (fr) * 1981-10-19 1983-08-12 Pont A Mousson Perfectionnement a un regard a tampon auto-fermeur a centrage et verrouillage automatiques
CN114150706A (zh) * 2021-11-29 2022-03-08 安徽省飞龙新型材料有限公司 一种可变形的两用型井盖及其使用方法

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