Invention Grant
- Patent Title: Three-dimensional tire sipe
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Application No.: US16320578Application Date: 2017-07-27
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Publication No.: US11712928B2Publication Date: 2023-08-01
- Inventor: Jean Y. Chen , Justin M. Gehres , Domenic Giampaolo , Neel K. Mani
- Applicant: Bridgestone Americas Tire Operations, LLC
- Applicant Address: US TN Nashville
- Assignee: Bridgestone Americas Tire Operations, LLC
- Current Assignee: Bridgestone Americas Tire Operations, LLC
- Current Assignee Address: US TN Nashville
- Agent Shaun J. Fox; Thomas Y. Kendrick
- International Application: PCT/US2017/044074 2017.07.27
- International Announcement: WO2018/022827A 2018.02.01
- Date entered country: 2019-01-25
- Main IPC: B60C11/18
- IPC: B60C11/18 ; B60C11/12 ; B60C11/11

Abstract:
Various embodiments of a tire having a three-dimensional tire sipe are disclosed. In one embodiment, a tire sipe used in a tire is provided, the tire sipe comprising: a radially inner sipe taper portion having a radially inner sipe width W3 and a radially inner sipe transition width W4, wherein the radially inner sipe width W3 is greater than the radially inner sipe transition width W4; a radially outer sipe taper portion having a radially outer sipe width W1 and a radially outer sipe transition width W2, wherein the radially outer sipe width W1 is greater than the radially outer sipe transition width W2; and a sipe radially central portion having a plurality of individual sipe radially angled portions oriented in a zig-zag pattern, wherein the sipe radially central portion is oriented radially between the radially inner sipe taper portion and the radially outer sipe taper portion.
Public/Granted literature
- US20190160881A1 THREE-DIMENSIONAL TIRE SIPE Public/Granted day:2019-05-30
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