A - Human Necessities – 63 – C
Patent
A - Human Necessities
63
C
A63C 19/10 (2006.01) E01C 13/10 (2006.01) F16L 9/128 (2006.01) F25C 3/02 (2006.01) F28F 1/10 (2006.01) F28F 1/36 (2006.01) F28F 1/40 (2006.01) F28F 1/42 (2006.01) F28F 13/18 (2006.01) F28F 21/06 (2006.01)
Patent
CA 2285798
An ice rink installation having polymer plastic heat transfer piping imbedded in a substrate, such as concrete. The polymer plastic heat transfer piping extends throughout an ice rink and includes a tubular body having an exterior surface and an interior surface. the tubular body has a wall thickness of less than 8.5% of its inner diameter. In order for the tubular body to remain sufficiently robust with such thin walls, a plurality of vanes are positioned on either the exterior surface, the interior surface or on both surfaces.
Goddard Bradley John Spencer
Goddard Ralph Spencer
Ullrich William Robert
Goddard Bradley John Spencer
Goddard Ralph Spencer
Thompson Douglas B.
Ullrich William Robert
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