Pneumatic tire and method of manufacturing same
AssigneeThe Yokohama Rubber Co., Ltd.
InventorsTakashi Hoshiba, Masahiro Naruse
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Abstract
A pneumatic tire is vulcanized using a bladder provided with a coating layer formed of a release agent, and includes a sealant layer disposed on an inner surface of a tread portion in a tire circumferential direction, the release agent having a thickness of from 0.1 μm to 100 μm in at least a placement region of the sealant layer, detected using an electron microscope.
Claims20
A pneumatic tire vulcanized using a bladder provided with a coating layer formed of a release agent, the pneumatic tire comprising:
- a sealant layer disposed on an inner surface of a tread portion in a tire circumferential direction;
- and
- the release agent, the release agent having a thickness of from 0.1 μm to 100 μm in at least a placement region of the sealant layer, detected using an electron microscope.
A method of manufacturing a pneumatic tire for vulcanizing a green tire using a bladder provided with a coating layer formed of a release agent, the method comprising:
- disposing a sealant layer on an inner surface of a tread portion of a vulcanized pneumatic tire, the sealant layer being disposed in a placement region in a tire circumferential direction,
- the release agent having a thickness of from 0.1 μm to 100 μm in at least the placement region of the sealant layer, detected using an electron microscope.
Dependencies are inferred from the claim text.