Wire rope having an independent wire rope core

Details Wire rope having an independent wire rope core Wire rope having an independent wire rope core

1997-07-28

1999-09-07

Stryjewski, William

Textiles: spinning, twisting, and twining

Strand structure

Covered or wrapped

57210, 57212, 57213, 57214, 57218, 57219, 57220, 57231, D02G 336

Patent

active

059468980

ABSTRACT:
A wire rope including a core rope having a number of strands each made of a number of wires, and a number of outer strands closed on the core rope. Each strand of the core rope has a contact section where two or more wires of the strand of the core rope come into contact with the closed outer strand. A total of contact section rates Tz is 20 percent or more of a circumference of a circumscribed circle of the core rope: Tz (%)=Ti/C.times.100, wherein Tl denotes a length of a circumferential component of the contact section, "C" denotes a length of the circumference of the circumscribed circle of the core rope. A non-contact section rate Gz is below 20 percent of the circumference of the circumscribed circle of the core rope: Gz (%)={100-(n.times.Tz)}
, wherein "n" denotes the number of strands.

REFERENCES:
patent: 2128547 (1938-08-01), Wells
patent: 2181341 (1939-11-01), Reardon
patent: 3729921 (1973-05-01), Stroh
patent: 4244172 (1981-01-01), Glushko et al.
patent: 4311001 (1982-01-01), Glushko et al.
patent: 4454708 (1984-06-01), Verreet

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