CH352635A - Manhole cover - Google Patents

Manhole cover

Info

Publication number
CH352635A
CH352635A CH352635DA CH352635A CH 352635 A CH352635 A CH 352635A CH 352635D A CH352635D A CH 352635DA CH 352635 A CH352635 A CH 352635A
Authority
CH
Switzerland
Prior art keywords
manhole cover
manhole
cover
Prior art date
Application number
Other languages
German (de)
Inventor
Schudel Wilhelm
Original Assignee
Ciba Geigy
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 Ciba Geigy filed Critical Ciba Geigy
Publication of CH352635A publication Critical patent/CH352635A/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

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)
CH352635D 1957-04-26 1957-04-26 Manhole cover CH352635A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH352635T 1957-04-26

Publications (1)

Publication Number Publication Date
CH352635A true CH352635A (en) 1961-02-28

Family

ID=4509842

Family Applications (1)

Application Number Title Priority Date Filing Date
CH352635D CH352635A (en) 1957-04-26 1957-04-26 Manhole cover

Country Status (1)

Country Link
CH (1) CH352635A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2398233A1 (en) * 1977-07-18 1979-02-16 Clark Francis Pressed metal manhole cover - is pressed in single operation with cup shaped recesses receiving cross-bars to form lifting handles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2398233A1 (en) * 1977-07-18 1979-02-16 Clark Francis Pressed metal manhole cover - is pressed in single operation with cup shaped recesses receiving cross-bars to form lifting handles

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