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US 10,329,121 B2Granted
Fire-retardant belt
AssigneeOtis Elevator Company
InventorsMark F. Orelup, Brad Guilani, Kathryn Rauss Sherrick, Amir Lotfi, Hong Yang
Life of this patent
Estimating the term…
Abstract
A belt and a method for manufacturing a belt is provided. The belt includes a plurality of lengthwise-extending tension members and a jacket. The jacket substantially retains the plurality of tension members. The jacket has a first side region, a second side region, and a center region between the first and second side regions. The first and second side regions of the jacket are more fire retardant than the center region of the jacket.
Claims15
A belt, comprising:
- a plurality of lengthwise-extending tension members;
- and
- a thermoplastic jacket substantially retaining the plurality of tension members, the thermoplastic jacket having a first side region, a second side region, and a center region between the first and second side regions;
- wherein the first and second side regions of the thermoplastic jacket are more fire retardant than the center region of the thermoplastic jacket, the first side region and the center region are separated by a first boundary, and the second side region and the center rejoin are separated by a second boundary.
1 more element
Dependencies are inferred from the claim text.