Water flow control system
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United States of America Patent
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Jun 15, 2004
Grant Date -
N/A
app pub date -
Jul 11, 2002
filing date -
May 16, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A planting system for regulating the supply of water to a plant comprises a linear (28) for containing a volume of plant growing medium (30), such as soil, and drainage means adapted to drain water from the plant growing medium (30) contained within the liner (28) and convey the drained water to a desired location. A paving system (10) comprises a permeable layer (12) providing an upper surface; at least one supporting substrate layer (20) thereunder which is permeable to liquid, a containment membrane (28) of impermeable material containing said substrate layer (20) for controlled retention of water therein and duct means for allowing the passage of water from the substrate layer (20) to a plant growing medium (30).
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Cited Art Landscape
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