Metal rope and lubricant
AssigneeKone Corporation
InventorsEsko Aulanko, Raimo Pelto-Huikko, Sakari Korvenranta, Jarmo Myllynen, Pekka Torenius
Life of this patent
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Abstract
The object of the invention is a traction sheave elevator and a rope that contains metal as a load-bearing material, such as the suspension rope of an elevator, which rope comprises at least one or more strands laid from metal wires and which rope is lubricated with a lubricant. Another object is the use of the aforementioned lubricant for lubricating the rope. The lubricant comprises at least oil and thickener, which thickener in the lubricant comprises at least 10% or more of the mass of the lubricant.
Claims14
A rope containing metal as a load-bearing material, the rope comprising:
- at least one strand laid from metal wires;
- wherein
- the rope is lubricated with a lubricant including at least oil and thickener, the thickener being greater than 65% of the mass of the lubricant, and
- the thickener contains at least one of lithium, lithium complex, calcium, calcium complex, calcium carbonate, gypsum, talcum, calcite, fluorite or apatite, and a compound containing calcium.
A traction sheave elevator, comprising:
- at least an elevator car;
- and
- a plurality of suspension ropes configured to move the elevator car, the plurality of suspension ropes passing over a traction sheave provided with a hoisting machine, and the plurality of suspension ropes being lubricated with a lubricant including at least oil and thickener;
- wherein
- the thickener is greater than 65% of the mass of the lubricant, and
- the thickener contains at least one of lithium, lithium complex, calcium, calcium complex, calcium carbonate, gypsum, talcum, calcite, fluorite or apatite, and a compound containing calcium.
A rope containing metal as a load-bearing material, the rope comprising:
- at least one strand having metal wires, the rope being lubricated with a lubricant;
- wherein
- the lubricant includes at least oil and thickener, the thickener being greater than 65% of the mass of the lubricant, and
- the thickener contains at least one of lithium, lithium complex, calcium, calcium complex, calcium carbonate, gypsum, talcum, calcite, fluorite or apatite, and a compound containing calcium.
A rope containing metal as a load-bearing material, the rope comprising:
- at least one strand laid from metal wires;
- wherein
- the rope is lubricated with a lubricant including at least oil and thickener, the thickener being greater than 65% of the mass of the lubricant.
Dependencies are inferred from the claim text.