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US 11,802,022 B2Granted
Self healing elevator load bearing member
AssigneeOtis Elevator Company
InventorBrad Guilani
Life of this patent
Estimating the term…
Abstract
An elevator load bearing member includes a plurality of load bearing cords and a jacket at least partially surrounding the cords. The jacket includes a layer received against the cords, and a self-healing component. A method of making an elevator load bearing member is also disclosed.
Claims19
An elevator load bearing member, comprising:
- a plurality of load bearing cords;
- and
- a jacket at least partially surrounding the cords, the jacket including a layer received against the cords, and a self-healing component, wherein the self-healing component includes microcapsules, the microcapsules including a breakable shell with a reactive resin encapsulated in the shell of polymer resins, and wherein a chemical that is reactive with respect to the reactive resin is incorporated into a surface of the breakable shell.
A method of making an elevator load bearing member, the method comprising:
- forming a jacket on a plurality of load bearing members, the jacket including a self-healing component, wherein the self-healing component includes microcapsules, the microcapsules including a breakable shell with a reactive resin encapsulated in the shell of polymer resins, and wherein a chemical that is reactive with respect to the reactive resin is incorporated into a surface of the breakable shell.
Dependencies are inferred from the claim text.