Assembly and process for creating an extruded pipe for use in a geothermal heat recovery operation
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United States of America Patent
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Oct 20, 2015
Grant Date -
Jul 18, 2013
app pub date -
Dec 26, 2012
filing date -
Jan 13, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention discloses an assembly and process for creating a co-extruded pipe which includes the steps of extruding a first elongated component exhibiting an open interior. Additional process steps include co-extruding at least one, and typically a pair, of additional elongated components each having an arcuate or lobe cross sectional shape or profile. The additional components are bonded to exterior locations of the first component to establish a pair of additional open interiors between the components and prior to cooling and hardening.
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