Pipes and tubular conduits – Repairing
Reexamination Certificate
2007-09-11
2007-09-11
Brinson, Patrick F. (Department: 3754)
Pipes and tubular conduits
Repairing
C405S156000, C405S180000, C425S062000, C425S377000
Reexamination Certificate
active
09587634
ABSTRACT:
Novel thermoplastic pipes which can withstand extremely high internally generated and/or applied pressures for utilization within, primarily, high pressure underground liquid and gas transport systems are provided. Such pipes are improvements over standard metal (i.e., steel, lead, and the like) pipes due to construction costs, shipping costs, implementation costs (particularly underground), modulus strength allowances to compensate for underground movements (i.e., earthquakes and tremors), non-rusting characteristics, and ease in manufacture. Such pipes are preferably reinforced with specific fabric articles which permit a lower thickness of plastic to be utilized than is generally required to withstand high pressure situations. A one-step, potentially on-site production method, is also contemplated within this invention.
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De Meyer Willy
Gilpatrick Michael W.
Brinson Patrick F.
Milliken & Company
Moyer Terry T.
Wilson Charlotte C.
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