NL1032438C2 - Cobblestone, has bottom side with relief structure for improving stability on top of sand bed - Google Patents

Abstract

The bottom side (15) of the stone (10), intended for contact with the sand bed, includes a relief structure (16-18) for engaging with this bed. The relief extends over the entire bottom side and comprises a repeat pattern with one or more recesses with a depth, height and/or vertical distance measuring several mm or more, preferably parallel grooves and/or channels, especially V-shaped grooves, provided in a corrugated or pleated profile.

Description

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Street vowel

BACKGROUND OF THE INVENTION

The invention relates to a street vowel for the construction of a street.

5 When constructing a cobblestone street, a sand bed of river sand is laid as the foundation. The sand bed is compacted, after which the vowels with the flat underside are placed on the sand bed. The vowels settle fairly stable in the sand. For sands 10 with a grain structure other than river sand, the vowels do not always settle sufficiently, so that the vowels can start to slide and tilt in the upper package.

An object of the invention is to provide a street vowel with improved setting properties.

An object of the invention is to provide a street vowel with increased stability after setting.

It is an object of the invention to provide a paving stone that can settle stably on several types of sand substrates.

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SUMMARY OF THE INVENTION

The invention provides, from one aspect, a 1032438 1 '2 street vowel comprising a view or street side intended for lying above, and an opposite placement side for placement on or in a sand bed or the like, the placement side being provided of a relief or profile for engagement with the sand bed. Due to the relief, the placement side can ensure a good engagement with the sand bed, so that the clinker can position itself stably on the sand bed.

Tilting of the vowel by pressure forces exerted along one side 10 can be prevented if the relief extends substantially over the entire placement side.

In a simple embodiment, the relief comprises a repeating pattern.

The embossed placement side preferably comprises one or more storeys, with a depth in a height direction and / or vertical placement direction of the clinker that is a number of millimeters or more.

The street vowel can receive a fraction of the sand to ensure proper engagement with the sand bed if the embossed placement side comprises one or more storeys, with a volume equal to 2-10 percent of the largest defined size. volume of the street vowel. The largest volume described is determined by the greatest length, greatest width and greatest height of the street vowel.

A portion of the sand on the upper side of the sand bed can be forced into the sideways direction during setting to provide support at places where it is necessary if the embossed placement side is inclined to an elevation direction and / or vertical placement direction of the sand bed. vowel-oriented contact surfaces.

In a first development thereof, the oblique contact surfaces are at an angle of 65-70 degrees with respect to the height direction and / or vertical placement direction of the street vowel.

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In an alternative development thereof, the oblique contact surfaces are at an angle of 40-50 degrees with respect to the height direction and / or vertical placement direction of the street clinker.

In a further alternative development, the oblique contact surfaces with respect to the height direction and / or vertical placement direction of the street vowel are at an angle of 15-25 degrees.

The sand can thereby be compacted by bringing it together if a number of, preferably consecutive, contact surfaces face each other.

Shifting of sand during setting can be limited to the oblique contact surfaces if the embossed placement side between the oblique contact surfaces comprises intermediate contact surfaces, wherein the intermediate contact surfaces extend transversely to the height direction and / or vertical placement direction of the street vowel.

Preferably, at least a number of the intermediate contact surfaces define high contact surfaces of the embossed placement side in the height direction and / or vertical placement direction.

Alternatively, at least a number of the intermediate contact surfaces in the height direction and / or vertical placement direction determine low-lying contact surfaces of the embossed placement side.

In a combined embodiment thereof, the high-lying contact surfaces and low-lying contact surfaces are arranged alternately.

The sand on the upper side of the sand bed can be forced into a sideways direction when setting over a large area to provide support at places where it is necessary if the embossed placement side has several grooves extending parallel to each other and / or or channels.

The embossed location side preferably comprises a plurality of V-grooves extending parallel to each other.

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In a further development, the embossed placement side comprises a waveform or wave contour.

The waveform or the wave contour can be formed by extrusion if the waveform or wave contour is determined by a projection of a wavy line directed transversely to the placement direction.

For the sake of a beautiful finish, the street vowel can comprise a substantially smooth, preferably compacted view or street side.

The street vowel can be transported in simple stacks if the street vowel has a substantially six-square block shape, with four circumferential sides being substantially flat, and the opposite fifth and sixth sides determining the view or street side and the placement side respectively.

The street clinker can be handled and installed with existing machines if the street clinker has an elongated shape with main dimensions according to the mesh size.

Alternatively, the street clinker comprises for this purpose an elongated shape with main dimensions according to the waal format or the amstel format.

The street vowel preferably comprises substantially baked clay and / or is a clay-baked street vowel. The street vowel is then substantially or entirely made of clay.

The invention furthermore relates to a street provided with a street vowel according to the invention, wherein the view or street side is above and the placement side is placed on a sand bed located below the street.

The invention further provides, according to a further aspect, a method for constructing a street with vowels, wherein the vowels are provided with a view or street side intended for lying above, and an opposite placement side for placement in or on a sand bed or something similar, where the placement

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5 side is provided with a relief for engagement with the sand bed, the method comprising applying a sand bed or the like, and placing the vowels on the sand bed, with the vowels facing upwards and with the be placed downwards on the sand bed to allow the placement side to engage. As a result of the engagement of the embossed placement side on the sand bed, the paving stones can be positioned stably, so that, for example, local subsidence within the paving stone package can be prevented.

The aspects and measures described in this description and claims of the application and / or shown in the drawings of this application can, where possible, also be applied separately from each other. These individual aspects can be the subject of split-off patent applications that are aimed at this. This applies in particular to the measures and aspects that are described per se in the subclaims.

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BRIEF DESCRIPTION OF THE DRAWINGS

The invention will be elucidated with reference to a number of exemplary embodiments shown in the accompanying drawings. Shown is:

1A is an isometric view of a first embodiment of a street vowel according to the invention; Figure 1B is a side view of several street vowels according to Figure 1A, which are placed on a sand bed;

Figure 2A is an isometric view of a second embodiment of a street vowel according to the invention;

Figure 2B is a side view of several street vowels according to Figure 2A, which are placed on a sand bed;

Figure 3A is an isometric view of a third embodiment of a street vowel according to the invention; Figure 3B is a side view of several street vowels according to Figure 3A, which are placed on a sand bed;

Figure 4A is an isometric view of a fourth embodiment of a street vowel according to the invention; and

Figure 4B is a side view of several street vowels according to Figure 4A, which are placed on a sand bed.

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DETAILED DESCRIPTION OF THE DRAWINGS

Figures 1A and 1B show a first embodiment of a street vowel 10 according to the invention. The street 20 clinker 10 comprises a substantially flat top, view or street side 11, two parallel longitudinal sides 12, two transversely directed, parallel end faces 13, and a embossed bottom or placement side 15 for placement in a sand bed 30 .

The embossed placement side 15 comprises a repeating pattern of a first contact surface 16 obliquely directed downwardly, a second contact surface 17 directed transversely to the placement direction, and a third third obliquely opposed to the first contact surface 16 contact surface 18. The second contact surfaces 17 define the lowest level of the relief of the street clinker 10, which extends parallel to the top side 11.

The first and third contact surfaces 16, 18 are at an angle of 67.5 degrees on the vertical height direction of the street clinker 10, so that these contact surfaces 16, 18 are at an angle α of 22.5 degrees with respect to 7 of the horizontal upper side 11 and / or the second contact surfaces 17. The first and third contact surfaces 16, 18 define recesses extending in the transverse direction of the street vowel 10 in the form of V-grooves. The volume of 5 floors is 4% of the volume of the street vowel 10.

Figures 2A and 2B show a second embodiment of a street vowel 50 according to the invention. The street clinker 50 comprises a substantially flat top, view or street side 51, two parallel longitudinal sides 52, two transversely parallel, parallel end faces 53, and a embossed bottom or placement side 55 for placement in the sand bed 30.

The embossed placement side 55 comprises a repeating pattern of a first contact surface 56 inclined to the downward placement direction, a second contact surface 57 directed transversely to the placement direction, and a third third contact surface obliquely opposed to the first contact surface 56 58. The second contact planes 57 define the lowest level of the relief of the street vowel 50, which extends parallel to the top side 51.

The first and third contact surfaces 56, 58 are at an angle of 45 degrees on the vertical height direction 25 of the street clinker 50, so that these contact surfaces 16, 18 are at an angle β of 45 degrees with respect to the horizontal top side 51 and / or the second contact surfaces 57. The first and third contact surfaces 56, 58 define V-grooves extending in the transverse direction of the street clinker 50. The volume of the floors is 4% of the volume of the street vowel 50.

Figures 3A and 3B show a third embodiment of a street vowel 100 according to the invention. The street vowel 100 comprises a substantially flat top, view or street side 101, two parallel longitudinal sides 102, two transversely parallel, parallel end faces 103, and a

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8 embossed bottom or placement side 105 for placement in the sand bed 30.

The embossed placement side 105 comprises a repeating pattern of a first contact surface 106, obliquely directed downwardly, a second contact surface 107 directed transversely to the direction of placement, and a third third contact surface obliquely opposite the first contact surface 106 108. The second contact surfaces 107 define the lowest-lying surface of the relief of the street clinker 100, which extends parallel to the top side 151.

The first and third contact surfaces 106, 108 are at an angle of 20 degrees on the vertical height direction of the street clinker 100, so that these contact surfaces 106, 108 are at an angle γ of 45 degrees relative to the horizontal top side 101 and / or the second contact surfaces 107. The first and third contact surfaces 106, 108 define recesses extending in the transverse direction of the street clinker 100 in the form of V-grooves. The volume of 2 floors is 2.3% of the volume of the street vowel 100.

Figures 4A and 4B show a fourth embodiment of a street vowel 150 according to the invention. The street clinker 150 comprises a substantially flat top, sight or street side 151, two parallel longitudinal sides 152, two transversely directed, parallel top sides 153, and a embossed bottom or placement side 155 for placement in the sand bed 30.

The embossed placement side 155 comprises a repeating pattern of a first contact surface 156, obliquely directed downwardly, a second contact surface 157 directed transversely to the direction of placement, a third third contact surface obliquely opposite the first contact surface 156 158, and a fourth contact surface 159, parallel to the second contact surface 157. The second and fourth contact surfaces 157, 158 define the lowest and highest surfaces of the

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9 relief of the street vowel 150, which extend parallel to the upper side 151.

The first and third contact surfaces 156, 158 are at an angle of 45 degrees on the vertical height direction 5 of the street clinker 150, so that these contact surfaces 156, 158 are at an angle φ of 45 degrees with respect to the horizontal top side 151 and / or the second and / or the fourth contact surfaces 157. The first and third contact surfaces 156, 158 define trapezoidal contour extending transversely of the street clinker 150. The volume of the floors is 5% of the volume of the street vowel 150.

In this example, the vowels 10, 50, 10, 150 according to the first, second, third and fourth embodiments, respectively, have a length, width and, between the top side and the embossed bottom side, a greatest height, which has a largest defined volume of determine the vowels, of 204x100x50 mm, corresponding to a size according to the size of the wall. The vowels 10, 50, 10, 150 are made from baked clay.

After placing the clinker package next to each other and against each other on the sand bed 30, the clinkers 10, 50, 10, 150 rest with the second contact surfaces 17, 57, 107, 157 on the sand, after which they settle in the sand. sand works deeper into the sand. A part of the sand is hereby compressed transversely of the vertical placement direction along the first contact surfaces 16, 56, 106, 156 and third contact surfaces 18, 58, 108, 158 and thereby compressed to some extent.

Due to the settlement over substantially the entire length of the placement side 15, 55, 105, 155, tilting of the vowels 10, 50, 10, 150 can be prevented by a downward load F of, for example, a wheel 21 of a passing vehicle, especially when the load F is exerted near the adjacent end faces 13, 53, 103, 153 of the vowels 10, 50, 10, 150.

The aforementioned embodiments of the 4 to 10 vowels comprise a bottom or placement side that is defined by grooves extending transversely to the placement direction. Alternatively, the placement side may have a wave shape wherein the waves extend parallel to each other.

The vowels according to the invention can be manufactured by preforming clay in a rectangular container that is open at the top. A series of inserts is then placed along one long inner side of the trough which determine the contour of the placement side. After the clay has been poured into the container, it is leveled flat on the top. The tray is then turned to place the preformed clay on a baking tray so that the clay can be baked.

Alternatively, the clay can be formed by extrusion or pressing through a mold into a continuous strip of clay, the placement side being formed by the shape of the mold. The strip can then be cut into portions transversely to the outflow direction and then baked off.

The above description is included to illustrate the operation of preferred embodiments of the invention, and not to limit the scope of the invention. Starting from the above explanation, many variations will be evident to those skilled in the art that fall within the spirit and scope of the present invention.

1032438

Claims (27)

A street clinker comprising a view or street side intended for lying above, and an opposite placement side for placement on or in a sand bed or the like, wherein the placement side is provided with a relief for engaging the sand bed. A street vowel according to claim 1, wherein the relief extends over substantially the entire placement side. A street vowel according to claim 1 or 2, wherein the relief comprises a repeating pattern. 4. Street vowel according to any one of the preceding claims, wherein the embossed placement side comprises one or more storeys, with a depth in a height direction and / or vertical placement direction of the vowel that is a number of millimeters or more. 5. Street vowel according to any one of the preceding claims, wherein the embossed placement side comprises one or more storeys, with a volume that is equal to 2-10 percent of the largest described volume volume of the street vowel. A street clinker according to any one of the preceding claims, wherein the embossed placement side comprises contact surfaces directed obliquely to a height direction and / or vertical placement direction of the clinker. The street clinker according to claim 6, wherein the oblique contact surfaces are at an angle of 65-70 degrees with respect to the height direction and / or vertical placement direction of the street vowel. 8. Street vowel according to claim 6, wherein the oblique contact surfaces with respect to the height direction and / or vertical placement direction of the street vowel 1039438 are at an angle of 40-50 degrees. The street clinker according to claim 6, wherein the oblique contact surfaces with respect to the height direction and / or vertical placement direction of the street vowel 5 are at an angle of 15-25 degrees. A street vowel according to any one of claims 6-9, wherein a number of, preferably consecutive, oblique contact surfaces face each other. A street clinker according to any one of claims 10, wherein the embossed placement side between the oblique contact surfaces comprises intermediate contact surfaces, the intermediate contact surfaces extending transversely to the height direction and / or vertical placement direction of the street vowel. A street clinker according to claim 11, wherein at least a number of the intermediate contact surfaces define high contact surfaces of the embossed placement side in the height direction and / or vertical placement direction. A street clinker according to claim 11 or 12, wherein at least a number of the intermediate contact surfaces define low-lying contact surfaces of the embossed placement side in the height direction and / or vertical placement direction. A street vowel according to claims 12 and 13, wherein the high-lying contact surfaces and low-lying contact surfaces are arranged alternately. A street clinker according to any one of the preceding claims, wherein the embossed placement side 30 comprises a plurality of grooves and / or channels extending parallel to each other. A street clinker according to claim 15, wherein the embossed placement side comprises a plurality of V-grooves extending parallel to each other. A street clinker according to any one of the preceding claims, wherein the embossed placement side comprises a waveform or wave contour. , I A street clinker according to claim 17, wherein the waveform or wave contour is determined by a projection of a corrugated line directed transversely to the placement direction. A street vowel according to any one of the preceding claims, wherein the street vowel comprises a substantially smooth, preferably compacted view or street side. 20. Street vowel as claimed in any of the foregoing claims, wherein the street vowel has substantially a hexagonal block shape, wherein four peripheral sides are substantially even, and the opposite fifth and sixth sides determine the view or street side and the placement side respectively. 21. Street vowel according to any one of the preceding claims, comprising an elongated shape with main dimensions according to the mesh size. A street vowel as claimed in any one of claims 1 to 18, comprising an elongated shape with main dimensions according to the wale size or the amstel size. A street vowel according to any one of the preceding claims, wherein the street vowel comprises substantially baked clay and / or is a clay-baked street vowel. 24. Street provided with a street vowel according to any one of the preceding claims, wherein the view or street side is above and the placement side is placed on a sand bed located below the street. 25. Method for constructing a street with vowels, wherein the vowels are provided with a view or street side intended for lying above, and an opposite placement side for placement in or on a sand bed or the like, near the placement side is provided with a relief for engagement on the sand bed, the method comprising applying a sand bed or the like, and placing the vowels on the sand bed, the vowels facing upwards and the placement side downwards be placed on the sand bed to allow the placement side to engage with it. 26. A method according to claim 25, wherein after placement the vowels are pushed or vibrated from above to locally transfer the relief from the placement side to the sand bed. 27. Street clinker provided with one or more of the characterizing measures described in the attached description and / or shown in the attached drawings. -o-o-o-o-o-o-o-o- 1 0 32 A38