D - Textiles – Paper – 03 – D
Patent
D - Textiles, Paper
03
D
D03D 11/00 (2006.01) B29C 70/20 (2006.01) B29C 70/22 (2006.01) B29C 70/54 (2006.01) D07B 1/22 (2006.01) F16L 11/08 (2006.01) F16L 57/00 (2006.01)
Patent
CA 2233968
A flat strip (1) including at least one layer (2) of longitudinal filamentary rovings (3), and means for assembling said filamentary rovings. The assembly means comprise a bonding material (5) and retaining means (4) surrounding and clamping said layer (2). The longitudinal filamentary rovings (3) are agglomerated into a relatively flat strand with a substantially rectangular cross-section, and each filamentary roving (3) has a predetermined average compactness of at least 60 %. The retaining means (4) consist of a flat tubular sheath including elements (7) extending transversely to the longitudinal direction of said filamentary rovings (3). Said strip is particularly useful for reinforcing ducts used in the oil industry.
Le ruban plat (1) est du type comprenant: au moins une couche (2) de mèches filamentaires longitudinales (3), des moyens d'assemblage desdites mèches filamentaires, lesdits moyens d'assemblage comportant une matière de liage (5) et des moyens de contention (4) entourant et serrant ladite couche (2). Les mèches filamentaires longitudinales (3) sont agglomérées les unes avec les autres sous forme d'un faisceau relativement plat, dans une section sensiblement rectangulaire, chaque mèche filamentaire (3) présentant une compacité moyenne déterminée au moins égale à 60 %. Les moyens de contention (4) sont constitués par une gaine tubulaire plate comprenant des éléments transverses (7) à la direction longitudinale desdites mèches filamentaires (3). Application notamment au renfort des conduites dans l'industrie pétrolière.
Do Anh Tuan
Le Nouveau Joel
Coflexip
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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