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US 10,871,190 B2Granted
Sliding bearing and a method for preparing the same
AssigneeCob Precision Parts Inc.
InventorGuoqiang Zhang
Life of this patent
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Abstract
A sliding bearing includes a backing layer, a bonding layer with at least one fluorination-treated surface, and a sliding layer. A method for preparing the sliding bearing includes performing a fluorination treatment on a surface of the bonding layer, placing a surface of the bonding layer on a surface of the backing layer, and placing a surface of the sliding layer on a surface of the bonding layer to form a laminated assembly, heating and pressurizing the laminated assembly, and cooling the laminated assembly in a pressurized state.
Claims19
A sliding bearing comprising:
- a backing layer comprising a first surface and a second surface on the back of the first surface;
- a bonding layer covering the backing layer and comprising a first bonding surface in contact with the second surface of the backing layer and a second bonding surface on the back of the first bonding surface;
- and
- a sliding layer covering the bonding layer and comprising a first surface in contact with the second bonding surface of the bonding layer and a second surface on the back of the first surface of the sliding layer;
- wherein the bonding layer comprises a fluorine-free thermoplastic resin and a fluorination-treated layer formed by subjecting the resin to a fluorination treatment on at least the second bonding surface;
- and
- the sliding layer comprises polytetrafluoroethylene.
4 more elements
Dependencies are inferred from the claim text.