Reinforcing wrap for plastic pipe
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Oct 18, 2005
Grant Date -
May 13, 2004
app pub date -
Nov 8, 2002
filing date -
Nov 8, 2002
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The combination of a flexible pipe, e.g. plastic, and a reinforcing member mounted around the pipe to strengthen the pipe and to enhance its ability to resist deformation under load. In one embodiment the reinforcing member includes a flexible perforated plastic netting containing an aggregation of lightweight elements such as expanded polystyrene beads capable of wrapping around the pipe, preferably in helical fashion along the length of the pipe. In another embodiment, a number of members are mounted on the pipe in longitudinally extending fashion. In all embodiments, the beads provide drainage around the pipe when it is placed in a trench and obviate the need for gravel normally used in conventional systems.
First Claim
Other Claims data not available
