Pipes and tubular conduits – With pressure compensators – Freeze protecting
Patent
1998-09-14
2000-09-19
Brinson, Patrick
Pipes and tubular conduits
With pressure compensators
Freeze protecting
138 28, 138 32, E03B 710
Patent
active
061197297
ABSTRACT:
The present invention provides a fluid handling apparatus for use in cold temperature conditions. In this respect, the apparatus of the present invention comprises a freeze protected conduit having a length comprising an elongated conduit for conveying or containing an aqueous liquid and an elongated compressible elastomeric material disposed within the conduit along its length. Alternatively, the conduit may comprise, at least in part, a substantially liquid impermeable membrane which is disposed in substantially adjacent relationship with a compressible elastomeric material. When exposed to freezing temperatures, aqueous liquid in conduits will freeze and expand. The compressible elastomeric material accommodates this expansion, thereby protecting the conduit from failure.
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Elzinga David
MacLellan Ian
Mather David W.
Oberholzer Johannes-Ulrich
Arise Technologies Corporation
Brinson Patrick
Fors Arne I.
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