DE29823105U1 - Trapezoidal stone - Google Patents

Description

Technical description -Page 1- 23.12.98

Lattice stone "Trapez" for installation in the ground as a verge reinforcement

State of the art

Experience has shown that the shoulders along the roads, especially in the bends, i.e. the transition from the solid road surface to the ground, are worn down by car and truck traffic. This sometimes results in significant steps that have to be filled in again and again by the responsible authorities (e.g. road maintenance departments). This is done, for example, with asphalt, tar, chippings, but also with grid stones with and without a tongue and groove system made of concrete and plastic.

problem

When filling the worn-out shoulders with loose bulk materials or with asphalt and tar, the shoulders have to be renewed several times a year in many places, as these materials are destroyed relatively quickly by car tires. Experience has shown that wear is particularly severe in the bends. Complex and costly maintenance of the shoulders is therefore necessary.

State of the art

Using grass pavers as verge fixing has been a proven method for creating a long-lasting fixing for several years. Pavement pavers are available in various sizes. There are square ones with 4 equal sides and there are rectangular ones with 2 equal sides each. To improve stability and the connection to one another, the pavers preferably have a tongue and groove system.
problem

These grid stones can only be used to a limited extent in curves. In order to be able to design the radius of the curve to a reasonable extent, the sides of these grid stones, which otherwise lie next to each other along their entire length, only meet at one corner. From this corner, these two sides then split in a V shape. This creates a V-shaped gap, so that the tongue and groove system gapes apart.

Solution

The "trapezoid grid stone" described in the protection claims is rectangular with 2 long sides of different lengths - i.e. a trapezoid-shaped grid stone. The shorter connecting sides are equipped with a tongue and groove system.

If the connecting sides are now aligned with the longer long sides in the same way or lined up next to each other, a curve is created. The grid stones lie next to each other along the full length of the connecting sides. The tongue and groove system therefore grips the entire length and the grid stones are firmly held.

If the connecting sides are aligned or laid side by side alternately with the shorter and longer long sides, a slightly serpentine line is created, which is used as a laying form for straight sections.

Here, too, the grid stones lie against each other along the entire length of the connecting sides. The tongue and groove system also grips the entire length, and the grid stones are firmly held in place.

problem

Another task is to show the driver where the road surface ends on the side of the road and where the shoulder begins.

Technical description -Page 2- 23.12.98

Lattice stone "Trapez" for installation in the ground as a verge reinforcement

Solution

Acoustic signal

The trapezoid lattice stone has studs and depressions arranged alternately in a row on both sides.

When the car tire drives over the knobs, it produces a signaling sound.

The studs also have an anti-slip effect.

The recesses have the function that the knobs and recesses interlock when the stones are placed on top of each other and thus the grid stones cannot slip, for example during transport.

Optical signal

During production, the grid blocks can be provided with reflective inserts or also with adapters into which reflectors or drive-over signal flags can be inserted if required.

In addition, the grid stones can be provided with striking colors or the plastics can also be provided with appropriate color pigments.

Claims (7)

1. <3itterstein trapezoid for installation in the ground as ground fixing
characterized, that 2 opposite sides are of equal length and the other two opposite
sides have a shorter and a longer side, so the stone is trapezoidal. 2. Lattice stone TrapezJiach protection claim characterized by that the 2 equally long sides are equipped with a tongue and groove system and therefore have a better fit, meaning that individual stones do not sink, neither in curves nor on straight stretches. 3. Lattice stone trapezoid according to claim 1-2, characterized in that the grid stone is equipped with knobs and thus a signal tone is generated when driving over it. 4. Lattice stone trapezoid according to claim 1-3, characterized in that the grid stone can be equipped with reflectors or with adapters for reflectors and flags in order to visually mark the edge of the road. Managing Director: HRB No.: 419-Bra Hermann Hagemann Heilbronn District Court Bank: Volksbank Gügtagen VAT ID No.: Bank code: 62091400/ Account no.: 6000.002 DE 161337860 Plastic recycling & trade in environmentally friendly products Tel: 07046-930333 Fax: 07046-930344 Utility model lattice stone "Trapezium" 23.12.98 Protection claims -Page 2- 5. Lattice stone trapezoid according to claims 1-4, characterized in that the grid stone can be visually identified by color 6. Lattice stone trapezoid according to claims 1-5, characterized in that the grid stone is equipped with knobs and recesses. Knobs and recesses fit together when stacked on top of each other and the stones cannot slip during transport, for example. 7. Lattice stone trapezoid according to claims 1-6, characterized in that the grid stone is preferably made of recycled plastics: Managing Director: HRB No.: 419-Bra Bank: Volksbank Güglingen VAT ID No.: Hermann Hagemann District Court of Heilbronn Bank code: 62091400/ Account no.: 6000.002 DE 161337860