AU4387772A - Improvements in trap door or manhole covers - Google Patents

Improvements in trap door or manhole covers

Info

Publication number
AU4387772A
AU4387772A AU43877/72A AU4387772A AU4387772A AU 4387772 A AU4387772 A AU 4387772A AU 43877/72 A AU43877/72 A AU 43877/72A AU 4387772 A AU4387772 A AU 4387772A AU 4387772 A AU4387772 A AU 4387772A
Authority
AU
Australia
Prior art keywords
trap door
manhole covers
manhole
covers
trap
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
AU43877/72A
Other languages
English (en)
Inventor
Andre Chapa Monsieur
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FOND CHAPA S P R L
Original Assignee
FOND CHAPA S P R L
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 FOND CHAPA S P R L filed Critical FOND CHAPA S P R L
Publication of AU4387772A publication Critical patent/AU4387772A/en
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)
  • Revetment (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
AU43877/72A 1971-06-25 1972-06-26 Improvements in trap door or manhole covers Expired AU4387772A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE6043338 1971-06-25
BEBE43338 1971-06-25

Publications (1)

Publication Number Publication Date
AU4387772A true AU4387772A (en) 1974-01-03

Family

ID=3874359

Family Applications (1)

Application Number Title Priority Date Filing Date
AU43877/72A Expired AU4387772A (en) 1971-06-25 1972-06-26 Improvements in trap door or manhole covers

Country Status (4)

Country Link
AU (1) AU4387772A (fr)
CH (1) CH553889A (fr)
DE (1) DE2229704A1 (fr)
IT (1) IT960080B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2713255B1 (fr) * 1993-11-29 1996-02-16 Rouere De Richard Tampons de sol réalisés en fonderie destinés à être juxtaposés et à coopérer avec des ergots de retenue pour la fermeture de sécurité d'ouvrages souterrains.
FR2713256B1 (fr) * 1993-11-29 1996-02-16 Rouere De Richard Ensemble articulé en fonte du type de sécurité à relevage assisté destiné à la fermeture d'ouvrages au sol à occultation par tampon unique.
FR2721636B1 (fr) * 1994-06-27 1996-09-20 Frameto Sa Tampon d'obturation d'une cavité de service ménagée dans une chaussée et procédé de réalisation de ce tampon.
ES2331551B1 (es) * 2008-01-04 2010-10-13 Suministros Cem, S.L. Tapa de registro.
GB0802304D0 (en) * 2008-02-07 2008-03-12 Savage Peter Ltd An access cover and frame assembly

Also Published As

Publication number Publication date
DE2229704A1 (de) 1973-01-11
CH553889A (fr) 1974-09-13
IT960080B (it) 1973-11-20

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