ATE6749T1 - MANUFACTURE OF FRAMES FOR MANHOLE COVER. - Google Patents
MANUFACTURE OF FRAMES FOR MANHOLE COVER.Info
- Publication number
- ATE6749T1 ATE6749T1 AT81304626T AT81304626T ATE6749T1 AT E6749 T1 ATE6749 T1 AT E6749T1 AT 81304626 T AT81304626 T AT 81304626T AT 81304626 T AT81304626 T AT 81304626T AT E6749 T1 ATE6749 T1 AT E6749T1
- Authority
- AT
- Austria
- Prior art keywords
- cover
- frame
- manhole cover
- frames
- manufacture
- Prior art date
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
Abstract
A manhole cover frame (F) is moulded in one piece of a hardenable material such as concrete which is poured into a jig (1) and is actually moulded against those surfaces of a manhole cover (C) with which it is to interfit in use. When the frame (F) is matched to the cover (C) used to mould it, there results a perfect fit between the two. The surfaces of the cover (C) which are to seat against the frame (F) are machined prior to use of the cover (C) in the moulding process, so that a closely mated interface is obtained between the cover (C) and the frame (F). Alternatively, the cover surfaces are not machined but are coated with a low-frictional material.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8034487A GB2085796B (en) | 1980-10-27 | 1980-10-27 | Manufacturing manhole cover frames |
EP81304626A EP0050928B1 (en) | 1980-10-27 | 1981-10-06 | Manufacturing manhole cover frames |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE6749T1 true ATE6749T1 (en) | 1984-04-15 |
Family
ID=10516898
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT81304626T ATE6749T1 (en) | 1980-10-27 | 1981-10-06 | MANUFACTURE OF FRAMES FOR MANHOLE COVER. |
Country Status (19)
Country | Link |
---|---|
EP (1) | EP0050928B1 (en) |
JP (1) | JPS57104730A (en) |
AT (1) | ATE6749T1 (en) |
AU (1) | AU530825B2 (en) |
BE (1) | BE890861A (en) |
BR (1) | BR8106921A (en) |
CA (1) | CA1169235A (en) |
CH (1) | CH647029A5 (en) |
CY (1) | CY1267A (en) |
DE (1) | DE3162819D1 (en) |
DK (1) | DK470981A (en) |
ES (1) | ES8302154A1 (en) |
FR (1) | FR2492867A1 (en) |
GB (1) | GB2085796B (en) |
IT (1) | IT1144998B (en) |
MY (1) | MY8500882A (en) |
NO (1) | NO813583L (en) |
SG (1) | SG54684G (en) |
ZA (1) | ZA816855B (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8325048D0 (en) * | 1983-09-19 | 1983-10-19 | Dover Eng Works Ltd | Covers and frames |
FR2630942B1 (en) * | 1988-05-05 | 1991-04-05 | Pont A Mousson | FOUNDRY PIECE PROVIDED WITH A BREAKABLE PELLET |
BE1008585A3 (en) * | 1994-03-22 | 1996-06-04 | Kruyfhooft Christina | Method for producing a manhole cover and manhole cover obtained in this way |
DE29618587U1 (en) * | 1996-10-25 | 1997-01-02 | Hermann Heinz Burger Gas Und W | Street cap |
GB2335220B (en) * | 1998-03-12 | 2000-06-07 | Aco Technologies Plc | Access cover and frame |
GB2368604B (en) * | 2000-11-04 | 2004-12-01 | C I S | Ground surface access assemblies |
ITPI20110048A1 (en) * | 2011-04-26 | 2012-10-27 | Ferb Figli Di Ezio Rossi Spa | PROCEDURE FOR CONTEMPORARY MERGER IN A SINGLE FORM OF MORE COMPLEMENTARY JETS |
US10011971B1 (en) * | 2015-07-14 | 2018-07-03 | David L. Neathery | Manhole inserts and manhole insert gasket fabrication methods |
CN106759505B (en) * | 2016-12-08 | 2019-04-23 | 中国一冶集团有限公司 | Cast-in-place adjustable formwork and its casting method for municipal manhole cover plate |
CN109865822A (en) * | 2017-12-05 | 2019-06-11 | 重庆英格力铸造科技有限公司 | A kind of mechanical matched mold casting machine |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE7420923U (en) * | 1974-10-31 | Guss Und Armaturwerk Kaiserslautern | Frames made of cast iron and concrete for manhole covers, street gullies and the like | |
FR1013982A (en) * | 1948-07-07 | 1952-08-06 | Neyret Beylier & Piccard Picte | Device and method for manufacturing elements, for constituting slabs for soundproof ceilings or walls |
DE1121554B (en) * | 1953-06-02 | 1962-01-04 | Dover Eng Works Ltd | Frame for manhole or manhole cover |
US2908063A (en) * | 1955-09-16 | 1959-10-13 | Herbert S Jones | Mold for forming concrete frames |
GB1445565A (en) * | 1972-08-02 | 1976-08-11 | Cement & Concrete Ass | Concrete articles |
NO134760C (en) * | 1973-04-13 | 1976-12-08 | Dempa As | |
GB1468835A (en) * | 1974-07-26 | 1977-03-30 | Stoner Saunders Ltd | Manhole covers |
DE2537257A1 (en) * | 1975-08-21 | 1977-02-24 | Passavant Werke | Load bearing composite ring for manhole cover - has upper and lower cast iron rings connected with concrete ring |
GB2066335B (en) * | 1979-12-28 | 1983-06-02 | Dover Eng Works Ltd | Manhole covers |
-
1980
- 1980-10-27 CY CY1267A patent/CY1267A/en unknown
- 1980-10-27 GB GB8034487A patent/GB2085796B/en not_active Expired
-
1981
- 1981-10-02 ZA ZA816855A patent/ZA816855B/en unknown
- 1981-10-06 AT AT81304626T patent/ATE6749T1/en not_active IP Right Cessation
- 1981-10-06 EP EP81304626A patent/EP0050928B1/en not_active Expired
- 1981-10-06 DE DE8181304626T patent/DE3162819D1/en not_active Expired
- 1981-10-08 AU AU76152/81A patent/AU530825B2/en not_active Ceased
- 1981-10-22 CH CH675881A patent/CH647029A5/en not_active IP Right Cessation
- 1981-10-23 ES ES506530A patent/ES8302154A1/en not_active Expired
- 1981-10-23 NO NO813583A patent/NO813583L/en unknown
- 1981-10-26 FR FR8120046A patent/FR2492867A1/en active Granted
- 1981-10-26 JP JP56170234A patent/JPS57104730A/en active Pending
- 1981-10-26 DK DK470981A patent/DK470981A/en not_active Application Discontinuation
- 1981-10-26 BE BE2/59434A patent/BE890861A/en not_active IP Right Cessation
- 1981-10-26 CA CA000388703A patent/CA1169235A/en not_active Expired
- 1981-10-27 BR BR8106921A patent/BR8106921A/en unknown
- 1981-10-27 IT IT68392/81A patent/IT1144998B/en active
-
1984
- 1984-08-03 SG SG546/84A patent/SG54684G/en unknown
-
1985
- 1985-12-30 MY MY882/85A patent/MY8500882A/en unknown
Also Published As
Publication number | Publication date |
---|---|
JPS57104730A (en) | 1982-06-29 |
DE3162819D1 (en) | 1984-04-26 |
ZA816855B (en) | 1982-09-29 |
CY1267A (en) | 1984-11-23 |
BR8106921A (en) | 1982-07-13 |
SG54684G (en) | 1985-03-08 |
AU530825B2 (en) | 1983-07-28 |
MY8500882A (en) | 1985-12-31 |
GB2085796B (en) | 1984-06-27 |
CA1169235A (en) | 1984-06-19 |
ES506530A0 (en) | 1983-01-01 |
GB2085796A (en) | 1982-05-06 |
DK470981A (en) | 1982-04-28 |
CH647029A5 (en) | 1984-12-28 |
FR2492867B1 (en) | 1984-05-04 |
ES8302154A1 (en) | 1983-01-01 |
IT8168392A0 (en) | 1981-10-27 |
EP0050928A1 (en) | 1982-05-05 |
BE890861A (en) | 1982-02-15 |
IT1144998B (en) | 1986-10-29 |
NO813583L (en) | 1982-04-28 |
AU7615281A (en) | 1982-05-06 |
FR2492867A1 (en) | 1982-04-30 |
EP0050928B1 (en) | 1984-03-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UEP | Publication of translation of european patent specification | ||
REN | Ceased due to non-payment of the annual fee |