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US 9,309,620 B2Granted
Compacted hybrid elevator rope
AssigneeNV Bekaert SA
InventorsXavier Amils, Lasley Trindade De Avila
Life of this patent
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Abstract
A rope (20) comprising a core element (22) surrounded by a plurality of helically twisted and compacted steel strands (24) comprising steel wires (25, 26, 27) having a nominal tensile strength of at least 1960 N/mm2. The core element (22) comprises natural fibers having a linear density of at least 50 g/m.
Claims16
A rope comprising a core element surrounded by a single layer comprising a plurality of helically twisted and compacted steel strands, said steel strands comprising steel wires having a nominal tensile strength of at least 1850 N/mm2, wherein
- a diameter of said rope ranges from 8.0 mm to 13 mm, and
- said core element comprises natural fibres.
Dependencies are inferred from the claim text.