Drainage-line system
The present invention comprises a drainage-line system which is intended to be laid essentially horizontally to the ground around an area to be drained, characterised in that it has a line which has a multiplicity of draining holes directed towards the top and is essentially completely open towards...
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| Format: | Patent |
| Sprache: | eng ; ger |
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| Zusammenfassung: | The present invention comprises a drainage-line system which is intended to be laid essentially horizontally to the ground around an area to be drained, characterised in that it has a line which has a multiplicity of draining holes directed towards the top and is essentially completely open towards the bottom, the said line being surrounded at both its underside and its top side with material permeable to water, and a mat of material permeable to water covering the draining holes directed towards the top in order to prevent them from becoming clogged. |
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