Elevator tension member
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United States of America Patent
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Jan 24, 2017
Grant Date -
Mar 20, 2014
app pub date -
Jun 10, 2011
filing date -
Jun 10, 2011
priority date (Note) -
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Abstract
Elevator tension members are disclosed. The disclosed tension member longitudinally extends along a longitudinal axis and includes a plurality of fibers formed into one or more primary strands or cords extending parallel to the longitudinal axis and a plurality of fibers formed into one or more secondary strands or cords extending parallel to the longitudinal axis and through less than the full length of the belt, and a jacket retaining the primary and secondary strands or cords. The secondary strands or cords have a tensile modulus greater than a tensile modulus of the jacket and less than a tensile modulus of the primary strands or cords. Methods of making the tension member are also disclosed.
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