NL8020436A - - Google Patents

Description

8020436 * —..... vo 2166 ......... V -............................. .... .......... ............. ...........

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Drain pipe.

The invention relates to a drain pipe which is provided with inlet openings for water.

It occurs with drain pipes that the inlet openings become blocked and the object of the invention is to overcome this drawback with simple means.

To this end, the openings are located in the top half of the drainage pipe, which is wholly or partly surrounded by a jacket or an outer plate.

Further details of the invention are discussed with reference to the drawing. In it shows:

Figure 1 a first embodiment of a drain pipe according to the invention, figure 2 a second embodiment of the invention, figure 3 a third embodiment of the invention, figure U a fourth embodiment of a drain pipe according to the invention, figure 5 a another embodiment of the drain pipe according to figure 6, a further embodiment of the drain pipe according to figure H, figure 7 another embodiment of the drain pipe according to figure 5, figure 8 a modification of the embodiment according to figure 3, figure 9 a perspective view view of the outer plate to be used with a pipe according to figures 6 and 7; figure 10 an outer plate according to the invention which is used in connection with the pipe according to figure 3, figure 11 a fifth embodiment of a drainage pipe according to the invention, and figure 12 shows a modification of the pipe according to figure 11. figure 1 shows a drainage pipe 2 which is corrugated and front see a series of inlet openings 3. The drain pipe is surrounded by an outer plate 1 which extends from a base level over the top of the drain pipe 8020436 2 and is then partially bent down on the other side of the pipe. Between the drain pipe and the outer plate there is a seal in the longitudinal direction at the top between the drain pipe and the plate. Thus, an inlet-5 section for water is formed and an outlet section through the interior of the tube 2. In figure 2 a drainage tube 2 is shown with a series of inlet openings 3, the tube being completely surrounded by an outer plate 5 which is at base level supports. This creates two inlet sections and one outlet section through the interior of the tube 2. In the embodiment shown in Figure 2, the tube 2 is corrugated.

Figure 3 shows an outer plate 6 with support ribs 6 ', which ribs are adapted to the shape of the tube and face it. This creates two inlet sections, i.e. between the plate 6 and the drain pipe on either side of that pipe.

In figures k and 5 an outer plate 7 is shown with outwardly extending legs 8, while in figure 5 9 indicates a flash mat on which the outer plate and the drain pipe rest.

In the embodiment of Figures 1 to 5, the illustrated drainage pipe is corrugated, while the outer plate has a smooth surface. However, the drain pipe can also have a smooth surface and the outer plate can be corrugated as shown in the embodiment according to figures 6 and 7. In figure 6 the drain pipe 11 is shown with a corrugated outer plate 10. According to figure 7, the unit according to figure 6 put on a filter mat 9. This flash mat 9 serves to filter the incoming water.

According to figure 8, the outer plate 12 is placed on the drain pipe 2 with a snap closure. The outer plate is made smooth while the tube is corrugated, but this can also be the other way round, or both elements can be corrugated, but with a different corrugation.

Figures 9 and 10 show exemplary embodiments of outer plates used in the embodiments according to Figures 6 and 7, respectively. figure 3

The openings can be larger than with conventional drain pipes. Since the water to be drained rises slowly before it reaches the openings, sand, soil, particles, etc.

8 02 0 4 3 6 3 and do not fall into the drain pipe. Another advantage of this system is that earth masses can be cast into a ditch above the drainage pipes after they have been placed with the covering plates on a common filter bed of sand, gravel, sawdust or other material.

In Figures 11 and 12, arrows indicate how drainage water moves to the inlet section and then down into the central passage of the tube.

The construction according to figures 11 and 12 consists of two parts, namely a first part consisting of an inner tube 13 with inlet openings i which are located in the top half of the tube. This pipe 13 forms the outlet section of the structure. The other part consists of a tube or jacket 1U surrounding the first part and with openings present in the bottom half of the tube or jacket. As can be seen from Figures 11 and. 12, a series of inlet openings 17 or two rows may be provided in the lower half of the jacket. One of the rows of openings can be in the form of a slot which runs in the longitudinal direction of the jacket, i.e. as shown in principle in figure 8.

As appears from Figures 11 and 12, the inner tube 13 has a smooth surface, while the outer tube or jacket 1H is corrugated, the tops of the waves being indicated by 15. Conversely, the first portion 13 may also be corrugated, while the second portion 1 may have a smooth surface.

When a jacket is used with a slot, it can be put over the inner tube 13 with a snap closure, as shown for instance in figure 8. Optionally, the first part can also be pressed in the second.

8020436

Claims (15)

1. Drains provided with inlet openings for water, characterized in that these openings (3; 16) are located in the upper half of the drainage pipe (2; 11 j 13)> while the drainage pipe is wholly or partly surrounded by a casing or an outer plate (1; 5 5; 6; 7; 10; 12; 1U). Drain pipe according to claim 1, characterized in that the bottom edge or bottom edges of the jacket or outer plate (1; 5; 6; J; 10; 12) is or are placed at the same level as the bottom edge part of the drain pipe . Drain pipe according to claims 1-2, characterized in that the jacket is loose over the drain pipe. lies. k. Drain pipe according to claim 1 or 2, characterized in that the jacket is attached to the drain pipe by welding, gluing or the like. Drain pipe according to claims 1 - 2, characterized in that the jacket is fastened to the drain pipe with a snap closure. Drain pipe according to claims 1 - 2, characterized in that the drain pipe is corrugated and the jacket has a smooth surface. Drain pipe according to claims 1-2, characterized in that it has a smooth surface while the jacket is corrugated. Drain pipe according to claims 1-2, characterized in that both the drain pipe and the jacket are corrugated, but with a different corrugation. Drain pipe according to claim 3, characterized in that the jacket (6) is provided with spaced support ribs (6T) 9 which are adapted to the shape of the pipe and face it. Drainage pipe according to claim 3 or U, characterized in that the jacket has the shape of an inverted U or 30 V. Drain pipe according to claims 1 - 2 with an outer plate partially surrounding the pipe, characterized in that a gasket (M is located between the drain pipe and the outer plate in the upper part of the drain pipe. Drain pipe according to Claims 1 to 2, characterized in that the pipe and the outer plate rest on a filter mat (9). Drain pipe according to claims 1-2, characterized in that the openings in the drain pipe are larger than those in the hitherto known drain pipes. 1H. Drain pipe according to claim 1, characterized in that the jacket (14) is tubular and encloses the drain pipe (13), which jacket has inlet openings (17) in the bottom half. Drainage pipe according to claim tU, characterized in that the inner part has a smooth and the outer part a corrugated surface. Drainage pipe according to claim 11, characterized in that the inner part has a corrugated surface in a known manner, while the outer part also has a smooth surface in a known manner. Drainage pipe according to claim 1, characterized in that the jacket has inlet openings in the form of a slit which extends in the longitudinal direction of the jacket. 8020436