AU2013311585A1 - Cover - Google Patents
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- Publication number
- AU2013311585A1 AU2013311585A1 AU2013311585A AU2013311585A AU2013311585A1 AU 2013311585 A1 AU2013311585 A1 AU 2013311585A1 AU 2013311585 A AU2013311585 A AU 2013311585A AU 2013311585 A AU2013311585 A AU 2013311585A AU 2013311585 A1 AU2013311585 A1 AU 2013311585A1
- Authority
- AU
- Australia
- Prior art keywords
- elevations
- cover according
- individual
- individual elevations
- cover
- 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
- E02D29/1409—Covers for manholes or the like; Frames for covers adjustable in height or inclination
-
- 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
- E02D29/1436—Covers for manholes or the like; Frames for covers with overflow or explosion control means, e.g. check or relief valves
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/06—Gully gratings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H4/00—Swimming or splash baths or pools
- E04H4/12—Devices or arrangements for circulating water, i.e. devices for removal of polluted water, cleaning baths or for water treatment
- E04H4/1209—Treatment of water for swimming pools
- E04H4/1218—Devices for removal of polluted water; Circumferential gutters
- E04H4/1227—Circumferential gutters
Abstract
Covers for structures, for example drainage channels or the like, which can be installed into a floor are known, said covers comprising a surface (11) which can be accessed and driven over and which comprises a flat structure (13) on a first lower plane and elevations (14) with top surfaces lying above the flat structure (13) on a second higher plane. The aim of the invention is to improve the non-slip properties and to achieve a self-cleaning effect. This is achieved in that the top surfaces (15) have an anti-slip surface structure which comprises a plurality of individual elevations. The ratio of the air volume below the individual elevations (16) to the volume of the individual elevations (16) is Vv/Vm=(0.01 to 0.5)/(0.001 to 0.05).
Description
Cover Description The invention relates to a cover of a structure that can be installed in the ground according to the preamble of Claim 1. Channels and shafts that are covered by covers are known structures for installation in the ground or (in particular) for the drainage of surfaces. These covers are partially driven over by motor vehicles; in particular, however, these are walked over by pedestrians. There is a risk of slipping and thus a risk of injury, in particular when it is wet or contamination has accumulated. Covers, in particular covering grates, are known in a plurality of embodiments. Thus, for example, DE 1 853 985 U, DE 20 2006 014 082 U1, DE 89 09 748 U1 or DE 1 876 986 U disclose covering grates that have been provided with a surface structure in the form of (wedge-shaped) slots or elevations having a triangular cross-section. In addition, drainage covers according to the preamble of Claim 1 are known, for example from the German design patent M 9 505 847, which have elevations that are supposed to ensure slip resistance. The known configurations provide only limited anti-slip effect however. In particular when the covers are manufactured out of a plastic material, in particular injection molding, contamination occurs easily, which contributes to an increased risk of accident. In addition, the known anti-slip structures provide sufficient anti-slip in interior areas, e.g. swimming pools, in which clean water without contamination particles wash over the covering grate. As soon as contamination particles reach the outer area of the covering grate however, the known macro-structures (e.g. these known corrugations) and micro-structures (grain) become clogged up due to the entry of a mixture of contamination 5528B-AU particles and water, and a sufficient anti-slip effect is no longer possible. The object of the invention is to provide a cover of the type mentioned above, such that an increased slip resistance is ensured at the lowest possible expense. This object is achieved by a cover according to Claim 1. This object is achieved, in particular by a cover of a structure that can be installed in the ground, in particular a shaft, a point runoff, a drainage channel or similar drainage installation, comprising a surface that can be walked over or driven over, having a planar structure in a first, lower plane, and having elevations with top surfaces of the elevations, which lie in a second, higher plane of the planar structure, in that the top surfaces of the elevations have an anti-slip surface structure, which comprise a plurality of individual elevations, wherein the ratio of the air volume below the individual elevations to the volume of the individual elevations Vv/Vm, is preferably (0.01 to 0.5)/(0.001 to 0.05), preferably (0.02 to 0.2)/(0.002 to 0.01). The anti-sip structures are thus displaced vertically and upward from the actual covering later (the lower plane) so that significantly more contamination particles are needed to fill the space between the anti-slip structures and neutralize the anti-slip effect. Thus an essential aspect of the invention is that, even when contamination particles are introduced into the anti-slip surface structure, these can be easily washed away or displaced into the regions between the elevations as a result of people walking on the surface. The individual elevations preferably have different maximum heights. This ensures that even in the case that contamination particles accumulate in the different height ranges of the anti-slip structures, these contamination particles themselves have different heights, and in this way, themselves exhibit an anti-slip effect. 5528B-AU It is possible that the lower situated planar structure in the first, lower plane has an anti-slip surface structure, which is not as rough as the anti-slip surface structure of the top surfaces of the elevations. The lower-lying planar structure may have a grain, for example, in order to achieve a specific visual effect, for example a casting effect, as well as in order to increase the roughness, and therefore may have the anti-slip characteristics of this planar structure. The maximum heights are preferably provided within a distribution within a range of Sz=1 50 pm to 1,500 pm, preferably between 230 pm to 1,000 pm. This rated value (like the rated value in the subsequent description as well as in the claims) has been obtained from DIN EN ISO 25178. Explicit reference is made to this standard, wherein the measurement methods that result in the values described below are likewise described therein. The distribution of the individual elevations or, respectively, the size thereof may be uniform. Preferably, however, a distribution will be selected in a random distribution across the surface so that higher and lower individual elevations are also provided within smaller areas. The individual elevations may be provided in different shapes (when viewed as a horizontal section). The individual elevations are preferably designed having a pyramidal shape or truncated pyramidal shape, however. The maximum depression height of the individual elevations (they are also referred to as recess heights) is Sv=50 pm to 500 pm, preferably 85 pm to 310 pm. Surprisingly, this range has proven to be especially beneficial. The roughness value of the surface structure is preferably Sa = 10 pm to 200 pm, preferably 15 pm to 90 pm. The elongated appearance ratio (pursuant to DIN EN ISO 25178, also referred to as a developed transition surface ratio) of the surface structure is preferably Sdr=20 to 300%. The surface structure preferably has an apex density of Spd = 0.5 to 20 mm 1 , preferably 1 to 10 mm-. 5528B-AU 4 Surprisingly, the above-mentioned size ranges have an effect such that on the one hand, injuries on these apexes rarely occur, and on the other hand, sufficient slip resistance and "self-cleaning effect" is achieved. The invention is described in greater detail below on the basis of the Figures. Shown are: Fig. 1 a top view of a covering grate for a drainage channel, Fig. 2 a section along the Il-Il line from Fig. 1 and Fig. 3 an enlarged detail of region Ill from Fig. 2. As can be seen in the Figures, the embodiment of the grate 10 shown here has a support structure, which has a surface 11 that lies in a first, lower plane. The surface 11 is interrupted by drainage openings 12 and forms a smooth, planar structure 13. Here, the planar structure 13 is equipped with very little surface roughness, for example, such as that achieved on a surface that is created by means of plastic injection molding. Rod-shaped elevations 14 are provided on this surface 11, the top surfaces of the elevations 15 of which have the roughness described above, which is obtained by corresponding shaping of the injection mold, in particluar in the case of injection molding. Here, the top surfaces of the elevations 15 comprise individual elevations 16, which, as indicated in Fig. 3, are created by individual pyramids having different heights and different apexes. This shaping ensures that on the one hand, contamination particles that reach the elevations 14 can be easily rinsed away, and conveyed on the smooth, planar surface 13. The contamination particles, on the other hand, are carried away from the smooth planar structure 13 into the drainage openings 12, so that a kind of "self-cleaning effect" is created by the design selected here. Even when walking thereon, the accumulation of contamination particles as is reduced through the forces exerted, 5528B-AU since these contamination particles are squeezed out over the top surfaces of the elevations 15 and conveyed on the planar structure 13 so that these may ultimately enter the drainage openings 12. Reference characters 10 cover 11 surface 12 drainage opening 13 planar structure 14 elevation 15 top surface of the elevation 16 individual elevation 5528B-AU
Claims (10)
1. A cover of a structure that can be installed in the ground, in particular a shaft, a point runoff, a drainage channel or a similar drainage installation, comprising e a surface (11) that can be walked over or driven over, having a planar structure (13) in a first, lower plane and e elevations (14) having top surfaces of the elevations (15), which lie in a second, higher plane above the planar structure (13), wherein the top surfaces of the elevations (15) have an anti-slip surface structure, which comprises a plurality of individual elevations (16) and which is rougher than the lower situated planar structure (13), c h aracte r i z ed i n t h at the ratio of the air volume below the individual elevations (16) to the volume of the individual elevations (16) is Vv/Vm = (0.01 to 0.5)/(0.001 to 0.05).
2. The cover according to Claim 1, characterized in that the ratio of the air volume below the individual elevations (16) to the volume of the individual elevations (16) is Vv/Vm= (0.02 to 0.2)/(0.002 to 0.01).
3. The cover according to one of the preceding Claims, characterized in that the individual elevations (16) have different maximum heights.
4. The cover according to one of the preceding Claims, in particular according to Claim 3, characterized in that the maximum heights are provided in a distribution within a range of Sz=1 50 pm to 1.500 pm, preferably 230 pm to 1.000 pm.
5. The cover according to one of the preceding Claims, in particular according to Claim 4, characterized in that 5528B-AU I the distribution is a random distribution.
6. The cover according to one of the preceding Claims, characterized in that the individual elevations (16) are designed having a pyramidal shape or truncated pyramidal shape.
7. The cover according to one of the preceding Claims, characterized in that the individual elevations (16) have a maximum depression height of Sv=50 pm to 500 pm, preferably 85 pm to 310 pm.
8. The cover according to one of the preceding Claims, characterized in that the roughness value of the surface structure is Sa = 10 pm to 200 pm, preferably 15 pm to 90 pm.
9. The cover according to one of the preceding Claims, characterized in that the elongated appearance ratio of the surface structure is Sdr 10 to 500%, preferably 20 to 300%.
10. The cover according to one of the preceding Claims, characterized in that the surface structure has an apex density of Spd=0.5 to 20 mm- 1 , preferably 1 to 10 mm- . 5528B-AU
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012108392.4A DE102012108392A1 (en) | 2012-09-10 | 2012-09-10 | cover |
DE102012108392.4 | 2012-09-10 | ||
PCT/EP2013/068537 WO2014037544A1 (en) | 2012-09-10 | 2013-09-09 | Cover |
Publications (2)
Publication Number | Publication Date |
---|---|
AU2013311585A1 true AU2013311585A1 (en) | 2015-04-23 |
AU2013311585B2 AU2013311585B2 (en) | 2017-07-06 |
Family
ID=49165727
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU2013311585A Active AU2013311585B2 (en) | 2012-09-10 | 2013-09-09 | Cover |
Country Status (15)
Country | Link |
---|---|
US (1) | US20150233081A1 (en) |
EP (1) | EP2904166B1 (en) |
JP (1) | JP6082465B2 (en) |
CN (1) | CN104619931B (en) |
AU (1) | AU2013311585B2 (en) |
BR (1) | BR112015005174B1 (en) |
DE (1) | DE102012108392A1 (en) |
DK (1) | DK2904166T3 (en) |
ES (1) | ES2748839T3 (en) |
LT (1) | LT2904166T (en) |
MX (1) | MX355656B (en) |
PL (1) | PL2904166T3 (en) |
RU (1) | RU2614586C2 (en) |
WO (1) | WO2014037544A1 (en) |
ZA (1) | ZA201501818B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104912182A (en) * | 2015-07-02 | 2015-09-16 | 常州德日机械有限公司 | Floor drain cover with annular protruding grating lines |
DE102022116732A1 (en) | 2022-07-05 | 2024-01-11 | Aco Ahlmann Se & Co. Kg | Longitudinal bar grating unit |
Family Cites Families (39)
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US2190211A (en) * | 1939-03-08 | 1940-02-13 | Louis J A Lavallee | Antiskid tread for stairs, floors, and the like |
USRE25778E (en) * | 1959-03-04 | 1965-05-18 | Non-slip structures | |
US3093216A (en) * | 1959-05-12 | 1963-06-11 | Aurora Equipment Co | Perforated non-skid panel |
US3156168A (en) * | 1960-04-21 | 1964-11-10 | Reliance Steel Prod Co | Grating |
US3100312A (en) * | 1962-03-23 | 1963-08-13 | William H Williams | Cleat cleaner |
DE1853985U (en) * | 1962-03-29 | 1962-06-20 | Alfred Langebach | PLASTIC MUD BUCKET FOR STREET OR YARD GRAINS. |
US3140644A (en) * | 1962-05-28 | 1964-07-14 | Royal B Lee | Non-skid grating |
DE1876986U (en) * | 1963-04-22 | 1963-08-01 | Eisenwerk Streuber & Lohmann G | PLASTIC COVER GRATING. |
US3565210A (en) * | 1968-12-03 | 1971-02-23 | Aurora Equipment Co | Grating structure |
US3765136A (en) * | 1970-08-28 | 1973-10-16 | Lionweld Ltd | Grids, gratings or like open work support surfaces or floors |
US3913291A (en) * | 1973-12-19 | 1975-10-21 | Frederick M Dulien | Flexible metal duckboard flooring |
USD258465S (en) * | 1978-03-13 | 1981-03-03 | Lyon Metal Products, Incorporated | Grating |
DE8909748U1 (en) * | 1989-08-15 | 1989-10-19 | Heinrich Fiedler Gmbh & Co. Kg, 8400 Regensburg, De | |
US4995757A (en) * | 1990-04-02 | 1991-02-26 | Alain Prescott | Manhole cover annular support for repaved street |
DE9017777U1 (en) * | 1990-11-24 | 1992-04-02 | Dallmer Gmbh & Co, 5760 Arnsberg, De | |
JP3154526B2 (en) * | 1991-09-18 | 2001-04-09 | 富士通株式会社 | Buffer access control method in concentrator |
US5395673A (en) * | 1992-04-23 | 1995-03-07 | Hunt; Gary B. | Non-slip surface |
US5787655A (en) * | 1992-09-11 | 1998-08-04 | Saylor, Jr.; Edward T. | Slip-resistant cover system and method for making same |
ES2150930T3 (en) * | 1992-12-10 | 2000-12-16 | Ahlmann Aco Severin | SURFACE DRAINAGE DEVICE. |
JP2779577B2 (en) * | 1992-12-30 | 1998-07-23 | 功 金 | Anti-slip construction steel |
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JP2758589B2 (en) * | 1995-12-28 | 1998-05-28 | 日之出水道機器株式会社 | Lid for underground structure, lid body and receiving frame |
JP3785278B2 (en) * | 1996-07-29 | 2006-06-14 | 日之出水道機器株式会社 | Cover for underground structure |
JP2878663B2 (en) * | 1996-07-29 | 1999-04-05 | 日之出水道機器株式会社 | Lid for underground structures |
US5997212A (en) * | 1996-09-30 | 1999-12-07 | Hinode, Ltd. | Cover for underground structures, body thereof and frame therefor |
JP3893689B2 (en) * | 1997-09-05 | 2007-03-14 | 日本ゼオン株式会社 | Manhole cover and manufacturing method thereof |
CN2491515Y (en) * | 2001-07-24 | 2002-05-15 | 严甘章 | Skid-proof drain cover |
JP3684188B2 (en) * | 2001-10-16 | 2005-08-17 | 新キャタピラー三菱株式会社 | Non-slip structure |
US7029744B2 (en) * | 2003-04-24 | 2006-04-18 | Ultimate Systems, Ltd. | High traction flooring laminate |
US7066685B2 (en) * | 2004-04-14 | 2006-06-27 | Aco Polymer Products, Inc. | Drainage grate |
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JP4986231B2 (en) * | 2006-07-27 | 2012-07-25 | 株式会社グラウンドデザイン研究所 | Cover for underground structure |
JP2008038388A (en) * | 2006-08-02 | 2008-02-21 | Nagashima Imono Kk | Non-slip protrusion of iron cover and the like for underground structure |
DE202006014082U1 (en) * | 2006-09-07 | 2006-11-09 | Rewatec Gmbh | Covering device e.g. for underground rain and waste water earth tank and or shaft system, has base cover which has integrated withdrawal opening with removable element |
GB0809057D0 (en) * | 2008-05-19 | 2008-06-25 | Dudley Thomas Ltd | Gripping means |
CN201377095Y (en) * | 2009-04-16 | 2010-01-06 | 北京泛亚电通工贸有限责任公司 | Non-slip well cover with massage function |
RU2459048C1 (en) * | 2011-02-10 | 2012-08-20 | Олег Романович Дутко | Slot grill for drainage channels (versions) |
DE202011101458U1 (en) * | 2011-06-04 | 2011-09-02 | ANRIN Anröchter Rinne GmbH | Covering device for a drainage channel |
-
2012
- 2012-09-10 DE DE102012108392.4A patent/DE102012108392A1/en active Pending
-
2013
- 2013-09-09 RU RU2015113018A patent/RU2614586C2/en active
- 2013-09-09 US US14/426,897 patent/US20150233081A1/en not_active Abandoned
- 2013-09-09 MX MX2015001029A patent/MX355656B/en active IP Right Grant
- 2013-09-09 ES ES13762089T patent/ES2748839T3/en active Active
- 2013-09-09 AU AU2013311585A patent/AU2013311585B2/en active Active
- 2013-09-09 LT LT13762089T patent/LT2904166T/en unknown
- 2013-09-09 DK DK13762089T patent/DK2904166T3/en active
- 2013-09-09 JP JP2015530428A patent/JP6082465B2/en not_active Expired - Fee Related
- 2013-09-09 CN CN201380046997.8A patent/CN104619931B/en active Active
- 2013-09-09 PL PL13762089T patent/PL2904166T3/en unknown
- 2013-09-09 BR BR112015005174-0A patent/BR112015005174B1/en active IP Right Grant
- 2013-09-09 WO PCT/EP2013/068537 patent/WO2014037544A1/en active Application Filing
- 2013-09-09 EP EP13762089.4A patent/EP2904166B1/en active Active
-
2015
- 2015-03-17 ZA ZA2015/01818A patent/ZA201501818B/en unknown
Also Published As
Publication number | Publication date |
---|---|
MX355656B (en) | 2018-04-26 |
ZA201501818B (en) | 2016-06-29 |
WO2014037544A1 (en) | 2014-03-13 |
CN104619931A (en) | 2015-05-13 |
JP6082465B2 (en) | 2017-02-15 |
ES2748839T3 (en) | 2020-03-18 |
LT2904166T (en) | 2019-10-25 |
DK2904166T3 (en) | 2019-11-18 |
US20150233081A1 (en) | 2015-08-20 |
RU2015113018A (en) | 2016-10-27 |
DE102012108392A1 (en) | 2014-05-28 |
RU2614586C2 (en) | 2017-03-28 |
EP2904166B1 (en) | 2019-08-28 |
AU2013311585B2 (en) | 2017-07-06 |
MX2015001029A (en) | 2015-07-23 |
JP2015532954A (en) | 2015-11-16 |
CN104619931B (en) | 2017-03-08 |
BR112015005174A2 (en) | 2017-07-04 |
BR112015005174B1 (en) | 2021-05-25 |
EP2904166A1 (en) | 2015-08-12 |
PL2904166T3 (en) | 2020-05-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FGA | Letters patent sealed or granted (standard patent) | ||
HB | Alteration of name in register |
Owner name: ACO AHLMANN SE & CO. KG Free format text: FORMER NAME(S): ACO SEVERIN AHLMANN GMBH & CO KOMMANDITGESELLSCHAFT |