Invention Grant
- Patent Title: Pneumatic tire with rectangle-sheet-shaped carcass ply pieces
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Application No.: US14377206Application Date: 2012-11-22
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Publication No.: US09889706B2Publication Date: 2018-02-13
- Inventor: Naoki Sugiyama
- Applicant: SUMITOMO RUBBER INDUSTRIES LTD.
- Applicant Address: JP Kobe-shi, Hyogo
- Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
- Current Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
- Current Assignee Address: JP Kobe-shi, Hyogo
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2012-036647 20120222
- International Application: PCT/JP2012/080379 WO 20121122
- International Announcement: WO2013/125117 WO 20130829
- Main IPC: B60C9/04
- IPC: B60C9/04 ; B60C9/02 ; B60C5/00 ; B29D30/42 ; B29D30/38

Abstract:
A pneumatic tire is provided with a carcass configured from at least one carcass ply. The carcass ply is formed by arranging, in the tire circumferential direction, rectangular sheet-shaped ply pieces, each having a radial direction length larger than a tire circumferential direction length. In each of the ply pieces, carcass cords are arranged parallel to each other in the longitudinal direction, and adjacent ply pieces at least partially overlap with each other in the tire circumferential direction, and in each of the ply pieces, the distance (Pe) between the carcass cords in at least one side edge portion in the circumferential direction of the ply piece, is larger than the distance (Pc) between the carcass cords in a central portion of the ply piece.
Public/Granted literature
- US20150328929A1 PNEUMATIC TIRE Public/Granted day:2015-11-19
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