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US 2023/0416049 A1Published application
Fire-resistant synthetic tension members
AssigneeOtis Elevator Company
InventorChen Qian Zhao
Life of this patent
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Abstract
A load-bearing assembly according to an example of the present disclosure includes at least one tension member. The tension member has a resin, reinforcement fibers, and at least one additive that provides a fire-resistance to the tension member. A jacket material covers the at least one tension member. An alternate load-bearing assembly and a method of making a load-bearing assembly are also disclosed.
Claims20
A load-bearing assembly, comprising:
- at least one tension member, the at least one tension member comprising a resin, reinforcement fibers, and at least one additive that provides a fire-resistance to the tension member;
- and
- a jacket material covering the at least one tension member.
A load-bearing assembly, comprising:
- at least one tension member, the at least one tension member comprising a self-fire-resistant resin and reinforcement fibers;
- and
- a jacket material covering the at least one tension member.
A method of making a load-bearing assembly, the method comprising:
- providing reinforcement fibers to a die;
- providing a resin precursor to the die;
- curing the resin precursor and fibers to form at least one synthetic tension member comprising a resin having a fire-resistance;
- and
- covering the at least one synthetic tension member in a jacket material.
2 more elements
Dependencies are inferred from the claim text.