EP0372545A3 - Manhole cover made of pig iron and concrete - Google Patents
Manhole cover made of pig iron and concrete Download PDFInfo
- Publication number
- EP0372545A3 EP0372545A3 EP19890122548 EP89122548A EP0372545A3 EP 0372545 A3 EP0372545 A3 EP 0372545A3 EP 19890122548 EP19890122548 EP 19890122548 EP 89122548 A EP89122548 A EP 89122548A EP 0372545 A3 EP0372545 A3 EP 0372545A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- pig iron
- support ring
- manhole cover
- cover made
- shell
- 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
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
-
- 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
- E02D29/149—Annular gaskets
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)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT89122548T ATE74985T1 (en) | 1988-12-07 | 1989-12-07 | CAST IRON AND CONCRETE COVERS FOR MANHOLE COVERS. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3841213 | 1988-12-07 | ||
DE3841213A DE3841213A1 (en) | 1988-12-07 | 1988-12-07 | CAST IRON AND CONCRETE COVER FOR SHAFT COVERS |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0372545A2 EP0372545A2 (en) | 1990-06-13 |
EP0372545A3 true EP0372545A3 (en) | 1990-10-31 |
EP0372545B1 EP0372545B1 (en) | 1992-04-15 |
Family
ID=6368648
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP89122548A Expired - Lifetime EP0372545B1 (en) | 1988-12-07 | 1989-12-07 | Manhole cover made of pig iron and concrete |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0372545B1 (en) |
AT (1) | ATE74985T1 (en) |
DE (2) | DE3841213A1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4216572A1 (en) * | 1992-05-20 | 1993-11-25 | Passavant Werke | Manhole cover or street attachment |
DE4332968C2 (en) * | 1993-09-28 | 1997-06-05 | Buderus Guss Gmbh | Round manhole cover |
DE19641473C1 (en) * | 1996-10-09 | 1998-01-22 | Kai Hammerschmidt | Levelling method for recess formed by sunken shaft cover |
DE19742056C1 (en) * | 1996-10-09 | 1999-05-12 | Kai Hammerschmidt | Method of adjustment of manhole cover |
CZ375096A3 (en) * | 1996-12-19 | 1998-07-15 | Josef Ing. Starz | Apparatus for height control of inlet object cover in roads |
DE19705941C2 (en) * | 1997-02-17 | 2000-12-21 | Hartmut Fournes | Method of making a manhole cover |
KR19980082083A (en) * | 1998-08-21 | 1998-11-25 | 심규보 | Manhole with lock |
US11060754B2 (en) | 2015-06-05 | 2021-07-13 | Novinium, Inc. | Ventilation system for manhole vault |
US10962253B2 (en) | 2015-06-05 | 2021-03-30 | Novinium, Inc. | Systems for circulating air inside a manhole vault |
EP3436372B1 (en) | 2016-03-31 | 2024-01-03 | Novinium, LLC | Smart system for manhole event suppression system |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH482073A (en) * | 1967-10-27 | 1969-11-30 | Wirz Rolf | Round, drivable manhole cover |
DE8633386U1 (en) * | 1986-12-13 | 1988-01-14 | Richter, Falk, 6477 Limeshain | Manhole covers or similar coverings for manhole-like accesses to sewage systems, etc., particularly for use in pedestrian or other traffic-calmed zones |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1010464B (en) * | 1955-11-30 | 1957-06-13 | Passavant Werke | Lid for manhole covers in roadways and. like |
AT228722B (en) * | 1960-02-12 | 1963-08-12 | Buderus Eisenwerk | Cast iron manhole cover |
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 |
-
1988
- 1988-12-07 DE DE3841213A patent/DE3841213A1/en active Granted
-
1989
- 1989-12-07 EP EP89122548A patent/EP0372545B1/en not_active Expired - Lifetime
- 1989-12-07 DE DE8989122548T patent/DE58901182D1/en not_active Expired - Fee Related
- 1989-12-07 AT AT89122548T patent/ATE74985T1/en active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH482073A (en) * | 1967-10-27 | 1969-11-30 | Wirz Rolf | Round, drivable manhole cover |
DE8633386U1 (en) * | 1986-12-13 | 1988-01-14 | Richter, Falk, 6477 Limeshain | Manhole covers or similar coverings for manhole-like accesses to sewage systems, etc., particularly for use in pedestrian or other traffic-calmed zones |
Also Published As
Publication number | Publication date |
---|---|
DE3841213C2 (en) | 1990-11-29 |
EP0372545B1 (en) | 1992-04-15 |
DE58901182D1 (en) | 1992-05-21 |
DE3841213A1 (en) | 1990-06-13 |
ATE74985T1 (en) | 1992-05-15 |
EP0372545A2 (en) | 1990-06-13 |
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