Road structure – process – or apparatus – Drain or gutter
Patent
1995-01-30
1996-05-21
Britts, Ramon S.
Road structure, process, or apparatus
Drain or gutter
404 3, 404 5, E01C 1122
Patent
active
055183360
DESCRIPTION:
BRIEF SUMMARY
DESCRIPTION
The invention relates to a drainage gutter and a method of installing such a gutter according to the precharacterizing clause of claims 1, 15 and 19.
A drainage gutter according to the present invention is characterized in that it can be installed in such a way as to be completely leakproof with respect to the surrounding ground under the most diverse weather conditions.
German patent DE-OS 23 47 869 discloses a drainage gutter that can be sealed off from another gutter at its ends with a fitting sealing-element insert. During installation the sealing element must be pushed over a thickened part into a correspondingly shaped cavity, with the risk of damage to the sealing element and subsequent leakage. Furthermore, although a sealing element of this kind seals off the interior of the gutter from its outer surface, it does not prevent overflow into the surrounding ground. That is, liquid that is supposed to be drained away can enter the ground between the ground surface and the edge of the gutter.
DE 91 02 219 U1 discloses a drainage gutter of the kind mentioned at the outset. In this known drainage gutter, in addition to a seal at the ends of the gutter there is provided a seal between the longitudinal edge of the gutter and the ground; however, it has been found that liquid to be drained away can still enter the surrounding ground.
DE 90 00 569.4 U1 discloses a drainage gutter with seals or seal profiles inserted at each end of the gutter body, such that when installed the sealing surfaces are pressed together by a tongue-and-groove joint at the opposed end faces of adjacent gutter bodies. Even here, however, problems arise with respect to sealing off the longitudinal edge of the gutter and the transition region between the upper part of the end face and the longitudinal edge.
It is a general problem with the gutters described above, which are fixedly installed in the ground (concrete cast in situ), that eventually leakage sites develop. What is required of such gutters is that they are not only watertight shortly after installation but remain so for a long time, while on the other hand it must be possible to install and repair such gutters or gutter systems with no great effort and under the most diverse weather conditions.
It is therefore the object of the invention to develop a drainage gutter of the kind cited at the outset in such a way as to provide a tight, long-term seal with respect to the surrounding ground by simple means, and to propose a corresponding, simple method of installation.
This object is achieved by the characteristics given in claims 1, 15 and 19, and the subordinate claims comprise useful embodiments and further developments of the invention.
An essential basic concept of the invention is first that the masses of sealant along the gutters are firmly connected to or continuous with the sealant at the ends of the gutters, in the region where gutters abut against one another. This measure provides a system, consisting of the surrounding ground surface and the gutters, that is absolutely watertight over a long period of time.
The channels connecting the longitudinal and end-face sealants preferably comprise a channel floor that opens into the first or longitudinal grooves substantially at the level of a lower boundary of these grooves. This arrangement ensures that when the grooves are filled with sealant, on the one hand only the minimal amount that suffices for sealing is required, while on the other hand no disadvantageous pockets of air are formed.
The second grooves are preferably provided in only one end face of the gutter body, which simplifies the manufacture of the gutter bodies. These second grooves are preferably disposed at the outflow end of each gutter. As a result, connecting elements such as inflow boxes, side branches or the like can be constructed more simply, namely without such a groove.
The second grooves can be open toward the inside of the gutter. This arrangement makes the gutters easier to maintain after installation, because defective spots can b
Arm Wolfgang
Messerschmidt Heino
ACO Severin Ahlmann GmbH & Co. KG
Britts Ramon S.
O'Connor Pamela A.
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