FR2313509A1 - Removable drain inspection plate - has load bearing steel plate upper with additional reinforced concrete ballast cast to underside of plate - Google Patents

Removable drain inspection plate - has load bearing steel plate upper with additional reinforced concrete ballast cast to underside of plate

Info

Publication number
FR2313509A1
FR2313509A1 FR7616922A FR7616922A FR2313509A1 FR 2313509 A1 FR2313509 A1 FR 2313509A1 FR 7616922 A FR7616922 A FR 7616922A FR 7616922 A FR7616922 A FR 7616922A FR 2313509 A1 FR2313509 A1 FR 2313509A1
Authority
FR
France
Prior art keywords
plate
load bearing
underside
cast
reinforced concrete
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.)
Granted
Application number
FR7616922A
Other languages
French (fr)
Other versions
FR2313509B3 (en
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.)
Aqseptence Group GmbH
Original Assignee
Passavant Werke AG and Co KG
Passavant Werke Michelbacher Hutte
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
Priority claimed from DE19752550619 external-priority patent/DE2550619C3/en
Application filed by Passavant Werke AG and Co KG, Passavant Werke Michelbacher Hutte filed Critical Passavant Werke AG and Co KG
Publication of FR2313509A1 publication Critical patent/FR2313509A1/en
Application granted granted Critical
Publication of FR2313509B3 publication Critical patent/FR2313509B3/fr
Granted 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)
  • Road Paving Structures (AREA)

Abstract

The removable inspection cover for drains (1) has a load bearing upper steel plate (3) whose surface is patterned to prevents skidding of road vehicles. The edge of the plate rests on a steel abutment (2) which is set into the road surface. A concrete slab (4) of smaller lengthways dimensions than the plate is cast onto its underside and is reinforced by steel bars (7). The slab provides no load bearing but only additional weight to the cover to prevent it form moving when driven over. Holes in the plate between the edge of the abutment and the edge of the slab give ventilation to the drain.
FR7616922A 1975-06-07 1976-06-04 Removable drain inspection plate - has load bearing steel plate upper with additional reinforced concrete ballast cast to underside of plate Granted FR2313509A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE7518274 1975-06-07
DE19752550619 DE2550619C3 (en) 1975-11-11 1975-11-11 Lid for manhole covers

Publications (2)

Publication Number Publication Date
FR2313509A1 true FR2313509A1 (en) 1976-12-31
FR2313509B3 FR2313509B3 (en) 1979-02-23

Family

ID=25769601

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7616922A Granted FR2313509A1 (en) 1975-06-07 1976-06-04 Removable drain inspection plate - has load bearing steel plate upper with additional reinforced concrete ballast cast to underside of plate

Country Status (1)

Country Link
FR (1) FR2313509A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2450912A1 (en) * 1979-03-06 1980-10-03 Pont A Mousson Composite circular heavy duty inspection cover for carriageways - has cast iron framework comprising basin shaped bottom, filled with concrete, and cover
FR2850404A1 (en) * 2003-01-24 2004-07-30 Roger Communeau Manhole for drain access has prefabricated concrete shaft with metal ring having crown embedded into end face of shaft

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2450912A1 (en) * 1979-03-06 1980-10-03 Pont A Mousson Composite circular heavy duty inspection cover for carriageways - has cast iron framework comprising basin shaped bottom, filled with concrete, and cover
FR2850404A1 (en) * 2003-01-24 2004-07-30 Roger Communeau Manhole for drain access has prefabricated concrete shaft with metal ring having crown embedded into end face of shaft

Also Published As

Publication number Publication date
FR2313509B3 (en) 1979-02-23

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Legal Events

Date Code Title Description
ST Notification of lapse