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1. WO2014156283 - PNEUMATIC TIRE

Publication Number WO/2014/156283
Publication Date 02.10.2014
International Application No. PCT/JP2014/051960
International Filing Date 29.01.2014
IPC
B60C 15/06 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
15Tyre beads, e.g. ply turn-up or overlap
06Flipper strips, fillers, or chafing strips
B60C 17/00 2006.1
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
17Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
CPC
B60C 15/0036
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES TYRE INFLATION; TYRE CHANGING OR REPAIRING; REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
15Tyre beads, e.g. ply turn-up or overlap
0009features of the carcass terminal portion
0036with high ply turn-up, i.e. folded around the bead core and terminating radially above the point of maximum section width
B60C 15/0603
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES TYRE INFLATION; TYRE CHANGING OR REPAIRING; REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
15Tyre beads, e.g. ply turn-up or overlap
06Flipper strips, fillers, or chafing strips ; and reinforcing layers for the construction of the bead
0603characterised by features of the bead filler or apex
B60C 15/0628
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES TYRE INFLATION; TYRE CHANGING OR REPAIRING; REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
15Tyre beads, e.g. ply turn-up or overlap
06Flipper strips, fillers, or chafing strips ; and reinforcing layers for the construction of the bead
0628comprising a bead reinforcing layer
B60C 17/0009
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES TYRE INFLATION; TYRE CHANGING OR REPAIRING; REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
17Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
0009comprising sidewall rubber inserts, e.g. crescent shaped inserts
B60C 2015/0621
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES TYRE INFLATION; TYRE CHANGING OR REPAIRING; REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
15Tyre beads, e.g. ply turn-up or overlap
06Flipper strips, fillers, or chafing strips ; and reinforcing layers for the construction of the bead
0617comprising a cushion rubber other than the chafer or clinch rubber
0621adjacent to the carcass turnup portion
B60C 2015/065
BPERFORMING OPERATIONS; TRANSPORTING
60VEHICLES IN GENERAL
CVEHICLE TYRES TYRE INFLATION; TYRE CHANGING OR REPAIRING; REPAIRING, OR CONNECTING VALVES TO, INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
15Tyre beads, e.g. ply turn-up or overlap
06Flipper strips, fillers, or chafing strips ; and reinforcing layers for the construction of the bead
0628comprising a bead reinforcing layer
065at the axially outer side of the carcass turn-up portion not wrapped around the bead core
Applicants
  • 住友ゴム工業株式会社 SUMITOMO RUBBER INDUSTRIES, LTD. [JP]/[JP]
Inventors
  • 佐川 敬道 SAGAWA Takamichi
Agents
  • 住友 慎太郎 SUMITOMO Shintaro
Priority Data
2013-06467326.03.2013JP
Publication Language Japanese (ja)
Filing Language Japanese (JA)
Designated States
Title
(EN) PNEUMATIC TIRE
(FR) PNEUMATIQUE
(JA) 空気入りタイヤ
Abstract
(EN) A pneumatic tire (1) is provided with a toroidal carcass (6) which extends from the tread (2) through the sidewalls (3) to the bead cores (5) of the beads (4). The beads (4) are provided with bead-reinforcing rubber layers (10) which extend along the outer surfaces, in the axial direction of the tire, of the carcass (6). The bead-reinforcing rubber layers (10) are formed from band-like rubber strips (15) which are helically wound in the circumferential direction of the tire. In a cross-section of the tire taken along the meridian on the tire so as to include the rotation axis of the tire, each of the inner surface (Si) and outer surface (So), in the axial direction of the tire, of each of the bead-reinforcing rubber layers (10) has interfaces (16) between portions of a rubber strip (15) which are adjacent to each other, and the number of the interfaces (16) of the inner surface (Si) is less than the number of the interfaces (16) of the outer surface (So).
(FR) L'invention porte sur un pneumatique (1) comportant une carcasse toroïdale (6) qui s'étend de la bande de roulement (2) aux tringles (5) des talons (4) en passant par les flancs (3). Les talons (4) sont munis de couches de caoutchouc de renforcement de talon (10) qui s'étendent le long des surfaces extérieures, dans la direction axiale du pneumatique, de la carcasse (6). Les couches de caoutchouc de renforcement de talon (10) sont formées de bandes de caoutchouc en forme de ruban (15) qui sont enroulées hélicoïdalement dans la direction circonférentielle du pneumatique. Dans une coupe du pneumatique prise selon le méridien du pneumatique de manière à contenir l'axe de rotation du pneumatique, chacune de la surface intérieure (Si) et la surface extérieure (So), dans la direction axiale du pneumatique, de chacune des couches de caoutchouc de renforcement de talon (10) présente des interfaces (16) entre des parties d'une bande de caoutchouc (15), qui sont adjacentes l'une à l'autre, et le nombre des interfaces (16) de la surface intérieure (Si) est inférieur au nombre des interfaces (16) de la surface extérieure (So).
(JA)  トレッド部2からサイドウォール部3を経てビード部4のビードコア5に至るトロイド状のカーカス6を具えた空気入りタイヤ1であって、ビード部4には、カーカス6のタイヤ軸方向外側面に沿ったビード補強ゴム層10が設けられている。ビード補強ゴム層10は、タイヤ周方向へ螺旋状に巻き付けられた帯状のゴムストリップ15から形成されている。タイヤ回転軸を含むタイヤ子午線断面において、ビード補強ゴム層10のタイヤ軸方向の内面Si及び外面Soそれぞれには、隣接するゴムストリップ15の界面16があり、内面Siの界面16の数が、外面Soの界面16の数より少ない。
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