Textiles: spinning – twisting – and twining – Strand structure – Plied
Reexamination Certificate
2006-04-25
2006-04-25
Hurley, Shaun R. (Department: 3765)
Textiles: spinning, twisting, and twining
Strand structure
Plied
Reexamination Certificate
active
07032371
ABSTRACT:
A synthetic rope for an elevator having improved resistance to compression and abrasion is provided and comprises a plurality of strands forming layers of the rope, each strand formed from a plurality of pre-twisted strands made from high modulus synthetic filaments. One or more of the strands or layers of strands may be impregnated with a lubricant, such as polytetrafluoroethylene, to reduce the abrasion among the strands and substrands, and increase the service life of the rope. The exterior of the rope may be covered by a jacket that provides for traction with the drive sheave. An elevator system comprising the claimed rope is also provided.
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Fite, Jr. John L.
Gibson Philip T.
Huntley Mark G.
Koralek Alan Sanford
Simpkins Harry
Frost Brown Todd LLC
Hurley Shaun R.
Thyssen Elevator Capital Corp.
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