B - Operations – Transporting – 29 – D
Patent
B - Operations, Transporting
29
D
B29D 23/00 (2006.01) B29C 70/52 (2006.01) B29C 70/88 (2006.01)
Patent
CA 2679475
The present invention provides a tubular support (12) comprising a composite layer of resin and longitudinal arranged first fibers (66), said tubular support (12) further comprising longitudinal arranged second fibers (68) that are concentrated in discrete domains along the circumference of the tubular support, said second fibers having a Tensile modulus that is higher than the Tensile modulus of said first fibers.
La présente invention concerne un support tubulaire comprenant une couche de matériau composite de résine et des premières fibres disposées longitudinalement. Ce support tubulaire comprend également des secondes fibres concentrées en domaines séparés le long de la circonférence de ce support, ces secondes fibres ayant un module d'élasticité en traction supérieur à celui desdites premières fibres.
Boyce Gerard S.
Finney Nigel A.
Middleton Ralph T.
Weatherby Nicholas L.
3m Innovative Properties Company
Frangible Safety Posts Limited
Smart & Biggar
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