OA07323A - Circular manhole cover with articulated half-buffers - Google Patents

Circular manhole cover with articulated half-buffers

Info

Publication number
OA07323A
OA07323A OA57917A OA57917A OA07323A OA 07323 A OA07323 A OA 07323A OA 57917 A OA57917 A OA 57917A OA 57917 A OA57917 A OA 57917A OA 07323 A OA07323 A OA 07323A
Authority
OA
OAPI
Prior art keywords
buffers
manhole cover
circular manhole
articulated half
articulated
Prior art date
Application number
OA57917A
Other languages
French (fr)
Inventor
Robert Domortier
Original Assignee
Dumortier Robert
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 Dumortier Robert filed Critical Dumortier Robert
Priority to OA57917A priority Critical patent/OA07323A/en
Publication of OA07323A publication Critical patent/OA07323A/en

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
    • E02D29/1463—Hinged connection of cover to frame
    • 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
    • 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
    • E02D29/1454—Non-circular covers, e.g. hexagonal, elliptic

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)
OA57917A 1983-02-16 1983-02-16 Circular manhole cover with articulated half-buffers OA07323A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
OA57917A OA07323A (en) 1983-02-16 1983-02-16 Circular manhole cover with articulated half-buffers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
OA57917A OA07323A (en) 1983-02-16 1983-02-16 Circular manhole cover with articulated half-buffers

Publications (1)

Publication Number Publication Date
OA07323A true OA07323A (en) 1984-08-31

Family

ID=19929483

Family Applications (1)

Application Number Title Priority Date Filing Date
OA57917A OA07323A (en) 1983-02-16 1983-02-16 Circular manhole cover with articulated half-buffers

Country Status (1)

Country Link
OA (1) OA07323A (en)

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