| US 7,487,803 B2 | ||
| Flat high-tensile wire as hose reinforcement | ||
| Erwin Lokere, Kortrijk (Belgium); and Stijn Vanneste, Ingelmunster (Belgium) | ||
| Assigned to NV Bekaert SA, Zwevegem (Belgium) | ||
| Appl. No. 11/596,042 PCT Filed Apr. 26, 2005, PCT No. PCT/EP2005/051858 § 371(c)(1), (2), (4) Date Nov. 09, 2006, PCT Pub. No. WO2005/108846, PCT Pub. Date Nov. 17, 2005. |
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| Claims priority of application No. 04102060 (EP), filed on May 12, 2004. | ||
| Prior Publication US 2008/0047626 A1, Feb. 28, 2008 | ||
| Int. Cl. F16L 11/00 (2006.01) | ||
| U.S. Cl. 138—134 [138/133; 138/127; 428/36.91] | 6 Claims |
| 1. A flexible hose or pipe reinforced by means of at least one flattened steel wire with natural edges,
said steel wire having
a thickness-to-width ratio t/w below 0.95,
a tensile strength Rm exceeding 3500−2000×d, where d is the diameter of a circle having the same cross-sectional surface and where Rm is expressed in MPa,
a permanent elongation at maximum load Ag of at least 0.70%.
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