CA2155526C - Plate-shaped paving stone, in particular made of concrete - Google Patents
Plate-shaped paving stone, in particular made of concrete Download PDFInfo
- Publication number
- CA2155526C CA2155526C CA002155526A CA2155526A CA2155526C CA 2155526 C CA2155526 C CA 2155526C CA 002155526 A CA002155526 A CA 002155526A CA 2155526 A CA2155526 A CA 2155526A CA 2155526 C CA2155526 C CA 2155526C
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- CA
- Canada
- Prior art keywords
- paving stone
- recesses
- concrete
- paving
- concrete paving
- 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 - Fee Related
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Abstract
In order to produce a stable, highly water-permeable flooring with a plate-shaped paving stone, in particular made of concrete, recesses (3) with a substantially trapezoidal cross-section are provided in two opposite lateral surfaces (2) of the paving stone (1). The delimiting surfaces of the trapezoidal recesses (3) located next to each other have in their central area a further recess (5). Recesses (7) are provided in the centre of the lateral surfaces that extend transversely to the lateral surfaces (2) of the paving stone. Chamfers (8) are arranged at the corners of adjacent lateral surfaces (2) of the paving stone (1).
Description
PLATE-SHAPED PAVING STONE, IN PARTICULAR MADE OF CONCRETE
The invention relates to a plate-shaped paving stone, in particular made of concrete, with lateral surfaces with respect to the vertical.
Plate-shaped paving stones provided with ridges on the lateral surfaces are known (Gm 87 17 484). The ridges have the purpose to form joints between neighboring concrete stones during the laying of the concrete stones to permit precipitation water to drain off into the subsoil. However, it has been shown that the ridges permit tipping of the concrete stones under heavy loads, such as vehicles driving over them, for example, resulting in an instable pavement, the extent of the instability depending on the horizontal length of the ridges.
It is the purpose of the invention to provide a concrete stone forming a stable pavement with high permeability.
In accordance with the invention that object is achieved with a concrete paving stone formed from a block having four vertical side surfaces and a top surtace, comprising:
two opposed side surfaces, each side surface having a trapezoidal recess formed therein bordered by a bordering surface, each bordering surface having an additional recess formed therein;
two opposed end surfaces extending transversely between said two opposed side surfaces, each end surface having a further recess formed therein; and four corner surfaces, each corner surface located adjacent to a side surface and being oriented obliquely (hereto.
The problem mentioned above is solved according to the invention in that recesses with essentially trapezoid cross sections are formed in two opposite lateral surfaces of the paving stone, that the bordering surfaces facing each other of the trapezoid recesses have another recess in the central areas, that recesses are formed in the center of the lateral~surfaces extending transversely to the lateral surfaces of the paving stone, and -1 a-that slants are arranged in the corner areas of neighboring 2155~2~
lateral surfaces of the paving stone. The concrete stone so formed allows in the paving pattern direct and tipping-free support on neighboring concrete stones of the same type and the formation of bordered openings for unhindered drainage of water.
Depending on the paving pattern, i.e. running bond or cross bond, openings of different size may be formed allowing for an adaptation of the desired permeability. It is understood that especially when laying in cross bond, the large diameters for the openings formed in the paving stone may be used as lawn-type pavement when the openings are filled with soil., The design of the paving stone provides for trapezoid recesses having preferably cross sections of the same size.
Furthermore, it is provided that the recesses in the bordering surfaces of the trapezoid recesses and the recesses arranged in the center of the lateral surfaces have an essentially triangular cross section. It is understood that changes are possible with respect to the shape and size of the cross sections. For example, it is possible to provide the openings formed in the trapezoid recesses and in the lateral surfaces with a square or rectangular cross section. The use of semicircular recesses for the openings is also conceivable.
If only small distances are desired between the neighboring paving stones, especially the lateral surfaces in diagonal sections and the bordering surfaces of the trapezoid recesses may have vertical spacer strips on both sides next to the recesses.
The invention relates to a plate-shaped paving stone, in particular made of concrete, with lateral surfaces with respect to the vertical.
Plate-shaped paving stones provided with ridges on the lateral surfaces are known (Gm 87 17 484). The ridges have the purpose to form joints between neighboring concrete stones during the laying of the concrete stones to permit precipitation water to drain off into the subsoil. However, it has been shown that the ridges permit tipping of the concrete stones under heavy loads, such as vehicles driving over them, for example, resulting in an instable pavement, the extent of the instability depending on the horizontal length of the ridges.
It is the purpose of the invention to provide a concrete stone forming a stable pavement with high permeability.
In accordance with the invention that object is achieved with a concrete paving stone formed from a block having four vertical side surfaces and a top surtace, comprising:
two opposed side surfaces, each side surface having a trapezoidal recess formed therein bordered by a bordering surface, each bordering surface having an additional recess formed therein;
two opposed end surfaces extending transversely between said two opposed side surfaces, each end surface having a further recess formed therein; and four corner surfaces, each corner surface located adjacent to a side surface and being oriented obliquely (hereto.
The problem mentioned above is solved according to the invention in that recesses with essentially trapezoid cross sections are formed in two opposite lateral surfaces of the paving stone, that the bordering surfaces facing each other of the trapezoid recesses have another recess in the central areas, that recesses are formed in the center of the lateral~surfaces extending transversely to the lateral surfaces of the paving stone, and -1 a-that slants are arranged in the corner areas of neighboring 2155~2~
lateral surfaces of the paving stone. The concrete stone so formed allows in the paving pattern direct and tipping-free support on neighboring concrete stones of the same type and the formation of bordered openings for unhindered drainage of water.
Depending on the paving pattern, i.e. running bond or cross bond, openings of different size may be formed allowing for an adaptation of the desired permeability. It is understood that especially when laying in cross bond, the large diameters for the openings formed in the paving stone may be used as lawn-type pavement when the openings are filled with soil., The design of the paving stone provides for trapezoid recesses having preferably cross sections of the same size.
Furthermore, it is provided that the recesses in the bordering surfaces of the trapezoid recesses and the recesses arranged in the center of the lateral surfaces have an essentially triangular cross section. It is understood that changes are possible with respect to the shape and size of the cross sections. For example, it is possible to provide the openings formed in the trapezoid recesses and in the lateral surfaces with a square or rectangular cross section. The use of semicircular recesses for the openings is also conceivable.
If only small distances are desired between the neighboring paving stones, especially the lateral surfaces in diagonal sections and the bordering surfaces of the trapezoid recesses may have vertical spacer strips on both sides next to the recesses.
It is understood that the horizontal length of the spacer strips is appropriately small.
Finally, the paving stone is provided on its top side, inclined from the top and continuously along the lateral sides, with small-sized chamfers (phases).
An example of an embodiment of the invention is illustrated in the drawing, wherein:
FIG. 1 shows a paving stone in top view:
FIG. 2 shows paving stones in cross bond;
FIG. 3 shows paving stones in running bond; and FIG. 4 shows a section along the line IV-IV of FIG. 1.
The basic shape of paving stone 1 is essentially rectangular. Recesses 3 with an essentially trapezoid cross section are formed in the two opposite longitudinal sides 2 of paving stone 1. Recesses 3 form hump-like sections 4 and extend substantially in the central part over part of the length of the longitudinal sides. Further recesses 5 follow the trapezoid recesses 3 in the area of the bordering surfaces facing each other. In the example, said recesses have a triangular cross section. Further recesses 7, again with triangular cross sections, essentially of the same size cross sections as recesses 5, are formed in the center of the transverse sides 6. In addition, paving stone 1 is provided in the corners with slants 8 and spacer strips 9. Spacer strips 9 are arranged in the areas bordering the trapezoid recesses 3 facing each other next to recesses 5 or in the diagonal areas of the transversal sides 6.
Spacer strips 9 have little horizontal length so that only narrow joints are formed when the paving stones of the proposed type are joined together. Finally, the top side of paving stone 1 is provided with low-height chamfers 10 running continuously around paving stone 1 inclined from the top to the lateral surfaces.
Chamfers 10 form phases in the paving bond of paving stone 1 which prevent interfering projections at the top side.
FIG. 2 shows paving stone 1 in cross bonding. Fox this type of bond, the paving stones are positioned to permit direct contact of the hump-like sections of adjacent stones. Trapezoid recesses 3 form openings 11 which are relatively large for cross bonding, while recesses 7 in transversal sides 6 or slants 8 form further openings 12 having smaller diameters. Cross bonding generally has the advantage of forming relatively large openings 11, 12, permitting water or the like to drain fast and easily into the subsoil. Furthermore, openings 11, 12 permit filling with soil so that paving stone 1 may be used as a lawn-type pavement having great water permeability and being a safe support.
Finally, the paving stone is provided on its top side, inclined from the top and continuously along the lateral sides, with small-sized chamfers (phases).
An example of an embodiment of the invention is illustrated in the drawing, wherein:
FIG. 1 shows a paving stone in top view:
FIG. 2 shows paving stones in cross bond;
FIG. 3 shows paving stones in running bond; and FIG. 4 shows a section along the line IV-IV of FIG. 1.
The basic shape of paving stone 1 is essentially rectangular. Recesses 3 with an essentially trapezoid cross section are formed in the two opposite longitudinal sides 2 of paving stone 1. Recesses 3 form hump-like sections 4 and extend substantially in the central part over part of the length of the longitudinal sides. Further recesses 5 follow the trapezoid recesses 3 in the area of the bordering surfaces facing each other. In the example, said recesses have a triangular cross section. Further recesses 7, again with triangular cross sections, essentially of the same size cross sections as recesses 5, are formed in the center of the transverse sides 6. In addition, paving stone 1 is provided in the corners with slants 8 and spacer strips 9. Spacer strips 9 are arranged in the areas bordering the trapezoid recesses 3 facing each other next to recesses 5 or in the diagonal areas of the transversal sides 6.
Spacer strips 9 have little horizontal length so that only narrow joints are formed when the paving stones of the proposed type are joined together. Finally, the top side of paving stone 1 is provided with low-height chamfers 10 running continuously around paving stone 1 inclined from the top to the lateral surfaces.
Chamfers 10 form phases in the paving bond of paving stone 1 which prevent interfering projections at the top side.
FIG. 2 shows paving stone 1 in cross bonding. Fox this type of bond, the paving stones are positioned to permit direct contact of the hump-like sections of adjacent stones. Trapezoid recesses 3 form openings 11 which are relatively large for cross bonding, while recesses 7 in transversal sides 6 or slants 8 form further openings 12 having smaller diameters. Cross bonding generally has the advantage of forming relatively large openings 11, 12, permitting water or the like to drain fast and easily into the subsoil. Furthermore, openings 11, 12 permit filling with soil so that paving stone 1 may be used as a lawn-type pavement having great water permeability and being a safe support.
.. 2~ ~~52 ~
i FIG. 3 shows paving stones in running bond. At this type of paving, hump-like sections 4 reach into trapezoid recesses 3, thus closely interlocking neighboring paving stones 1. This bonding type is especially suitable to support heavy loads. In addition, recesses 7 formed in the transversal sides 6 of neighboring paving stones form openings 12 with each other and recesses 3 with slants 8 form other openings 12, together ensuring safe drainage of water or the like.
i FIG. 3 shows paving stones in running bond. At this type of paving, hump-like sections 4 reach into trapezoid recesses 3, thus closely interlocking neighboring paving stones 1. This bonding type is especially suitable to support heavy loads. In addition, recesses 7 formed in the transversal sides 6 of neighboring paving stones form openings 12 with each other and recesses 3 with slants 8 form other openings 12, together ensuring safe drainage of water or the like.
Claims (5)
1. A concrete paving stone formed from a block having four vertical side surfaces and a top surface, comprising:
two opposed side surfaces, each side surface having a trapezoidal recess formed therein bordered by a bordering surface, each bordering surface having an additional recess formed therein;
two opposed end surfaces extending transversely between said two opposed side surfaces, each end surface having a further recess formed therein; and four corner surfaces, each corner surface located adjacent to a side surface and being oriented obliquely thereto.
two opposed side surfaces, each side surface having a trapezoidal recess formed therein bordered by a bordering surface, each bordering surface having an additional recess formed therein;
two opposed end surfaces extending transversely between said two opposed side surfaces, each end surface having a further recess formed therein; and four corner surfaces, each corner surface located adjacent to a side surface and being oriented obliquely thereto.
2. The concrete paving stone of claim 1, wherein the trapezoid recesses are of the same size.
3. The concrete paving stone of claim 1, wherein the additional recesses and the further recesses are of triangular shape and the same size.
4. The concrete paving stone of claim 1, further comprising a plurality of vertically-extending spacer strips, one spacer strip is located on each side of the additional recess.
5. The concrete paving stone of claim 1, further comprising a continuous chamfer extending completely around the top surface and inclined downwardly toward said side surfaces.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP93119745.3 | 1993-12-08 | ||
| EP93119745A EP0657583B1 (en) | 1993-12-08 | 1993-12-08 | Plate-like paving stone particularly of concrete |
| PCT/EP1994/004028 WO1995016076A1 (en) | 1993-12-08 | 1994-12-03 | Plate-shaped paving stone, in particular made of concrete |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2155526A1 CA2155526A1 (en) | 1995-06-15 |
| CA2155526C true CA2155526C (en) | 2006-02-14 |
Family
ID=35892259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002155526A Expired - Fee Related CA2155526C (en) | 1993-12-08 | 1994-12-03 | Plate-shaped paving stone, in particular made of concrete |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2155526C (en) |
-
1994
- 1994-12-03 CA CA002155526A patent/CA2155526C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2155526A1 (en) | 1995-06-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |