Lubricated and thermoplastic impregnated wire rope
AssigneeAMSTED Industries Incorporated
InventorPeter P. Riggs
Life of this patent
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Abstract
A wire rope including a core surrounded with a plurality of wound strands. The rope is encapsulated with a thermoplastic after the application of a lubricant blend including amorphous polypropylene.
Claims13
A wire rope comprising a core and a plurality of outer strands surrounding said core strand,
- a lubricant blend permeating the core strand and the outer strands and a thermoplastic encapsulating the core strand and the outer strands,
- wherein said lubricant blend comprises amorphous polypropylene and a lubricant capable of bonding to the thermoplastic.
A wire rope comprising a core and strands surrounding the core strand,
- a lubricant coating the core strand encapsulating the core strand,
- wherein said lubricant comprises a blend of amorphous polypropylene and a lubricant capable of bonding to the thermoplastic.
The method of manufacturing a wire rope including the steps of winding individual wires to form a core and several outer strands, coating the core strand and the outer strands with a lubricant comprising a blend of amorphous polypropylene and a lubricant, wiping the excess of said lubricant blend from the outer surfaces of said core and the outer strands,
- winding said core and said outer strands to form a wire rope,
- and injecting a thermoplastic into said wire rope, said lubricant bonding to said thermoplastic.
Dependencies are inferred from the claim text.