Synthetic fiber rope for an elevator

D - Textiles – Paper – 07 – B

Patent

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Details

D07B 1/02 (2006.01) B66B 7/06 (2006.01) B66B 11/08 (2006.01)

Patent

CA 2474725

A synthetic rope (1) for an elevator having improved resistance to compression and abrasion is provided and comprises a plurality of strands (7) forming layers of the rope, each strand formed from a plurality of pre-twisted strands (19) from high modulus synthetic filaments (21). 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 (35) that provides for traction with the drive sheave. An elevator system comprising the claimed rope is also provided.

L'invention concerne une corde synthétique pour un ascenseur, qui présente une résistance améliorée à la compression et à l'abrasion, et qui comprend une pluralité de brins formant des couches de ladite corde, chaque brin étant formé à partir d'une pluralité de brins pré-torsadés constitués de filaments synthétiques à haut module. Un ou plusieurs des brins ou des couches de brins peut être imprégné d'un lubrifiant, de type polytétrafluoroéthylène, afin de réduire l'abrasion entre les brins et les sous-brins, et d'augmenter la durée de vie utile de ladite corde. La partie extérieure de ladite corde peut être recouverte par une gaine pour permettre une traction avec une poulie motrice. L'invention concerne un système d'ascenseur comprenant ladite corde.

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