JP2010115964A - 空気入りタイヤ - Google Patents
空気入りタイヤ Download PDFInfo
- Publication number
- JP2010115964A JP2010115964A JP2008289002A JP2008289002A JP2010115964A JP 2010115964 A JP2010115964 A JP 2010115964A JP 2008289002 A JP2008289002 A JP 2008289002A JP 2008289002 A JP2008289002 A JP 2008289002A JP 2010115964 A JP2010115964 A JP 2010115964A
- Authority
- JP
- Japan
- Prior art keywords
- rubber
- bead
- bead filler
- white
- pneumatic tire
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C13/00—Tyre sidewalls; Protecting, decorating, marking, or the like, thereof
- B60C13/04—Tyre sidewalls; Protecting, decorating, marking, or the like, thereof having annular inlays or covers, e.g. white sidewalls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/06—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead
- B60C15/0603—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead characterised by features of the bead filler or apex
- B60C15/0607—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead characterised by features of the bead filler or apex comprising several parts, e.g. made of different rubbers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C15/00—Tyre beads, e.g. ply turn-up or overlap
- B60C15/06—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead
- B60C2015/0614—Flipper strips, fillers, or chafing strips and reinforcing layers for the construction of the bead characterised by features of the chafer or clinch portion, i.e. the part of the bead contacting the rim
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T152/00—Resilient tires and wheels
- Y10T152/10—Tires, resilient
- Y10T152/10495—Pneumatic tire or inner tube
- Y10T152/10504—Asymmetric tire
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T152/00—Resilient tires and wheels
- Y10T152/10—Tires, resilient
- Y10T152/10495—Pneumatic tire or inner tube
- Y10T152/10819—Characterized by the structure of the bead portion of the tire
- Y10T152/10837—Bead characterized by the radial extent of apex, flipper or chafer into tire sidewall
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T152/00—Resilient tires and wheels
- Y10T152/10—Tires, resilient
- Y10T152/10495—Pneumatic tire or inner tube
- Y10T152/10819—Characterized by the structure of the bead portion of the tire
- Y10T152/10846—Bead characterized by the chemical composition and or physical properties of elastomers or the like
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
【解決手段】ビード部1に設けられた環状のビードコア1aと、ビードコア1aのタイヤ径方向外側に設けられたビードフィラー1bと、ビードコア1a及びビードフィラー1bを挟み込むように巻き上げられたカーカスプライ4と、サイドウォール部2のカーカスプライ4の外側に配設され、ビードフィラー1bの外側に内周端11aが位置するホワイトゴム11とを備える空気入りタイヤにおいて、ビードフィラー1bが、先端からビードコア1aに至る本体ゴム部21と、ビードフィラー1bの外側面の一部を構成して、ホワイトゴム11の内周端11aの内側に位置する軟質ゴム部22とを有し、軟質ゴム部22はホワイトゴム11よりも硬く本体ゴム部21よりも軟らかい。
【選択図】図2
Description
JISD4230に規定する方法に準拠して耐久性能試験を行った。試験段階3を終えてもセパレーション等の故障が確認されない場合は、継続してタイヤに負荷を与えることとし、故障が確認されるまでの走行距離を計測した。
JISD4230に規定する方法に準拠して高速性能試験Aを行った。試験段階6を終えてもセパレーション等の故障が確認されない場合は、継続してタイヤに速度(10分間毎)を与えることとし、故障が確認されるまでの速度と時間を計測した。
実車による官能評価を行い、良好な順に○、△、×の三段階評価とした。
1a ビードコア
1b ビードフィラー
2 サイドウォール部
4 カーカスプライ
9 リムプロテクター
10 サイドウォールゴム
11 ホワイトゴム
11a ホワイトゴムの内周端
21 本体ゴム部
22 軟質ゴム部
Claims (3)
- ビード部に設けられた環状のビードコアと、前記ビードコアのタイヤ径方向外側に設けられたビードフィラーと、前記ビードコア及び前記ビードフィラーを挟み込むように巻き上げられたカーカスプライと、前記サイドウォール部の前記カーカスプライの外側に配設され、前記ビードフィラーの外側に内周端が位置するホワイトゴムとを備える空気入りタイヤにおいて、
前記ビードフィラーが、先端から前記ビードコアに至る本体ゴム部と、前記ビードフィラーの外側面の一部を構成して、前記ホワイトゴムの内周端の内側に位置する軟質ゴム部とを有し、前記軟質ゴム部は前記ホワイトゴムよりも硬く前記本体ゴム部よりも軟らかいことを特徴とする空気入りタイヤ。 - 前記ビードフィラーに対する前記軟質ゴム部の断面高さの割合が30〜50%である請求項1記載の空気入りタイヤ。
- 前記ビードフィラーに対する前記軟質ゴム部の断面積の割合が30%未満である請求項1又は2記載の空気入りタイヤ。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008289002A JP5124421B2 (ja) | 2008-11-11 | 2008-11-11 | 空気入りタイヤ |
US12/555,937 US8424579B2 (en) | 2008-11-11 | 2009-09-09 | Pneumatic tire with side wall white rubber and bead filler soft rubber portion |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008289002A JP5124421B2 (ja) | 2008-11-11 | 2008-11-11 | 空気入りタイヤ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010115964A true JP2010115964A (ja) | 2010-05-27 |
JP5124421B2 JP5124421B2 (ja) | 2013-01-23 |
Family
ID=42164098
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008289002A Expired - Fee Related JP5124421B2 (ja) | 2008-11-11 | 2008-11-11 | 空気入りタイヤ |
Country Status (2)
Country | Link |
---|---|
US (1) | US8424579B2 (ja) |
JP (1) | JP5124421B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018235499A1 (ja) * | 2017-06-19 | 2018-12-27 | 株式会社ブリヂストン | ビード部材、空気入りタイヤ及び組立体 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5809909B2 (ja) * | 2011-09-29 | 2015-11-11 | 東洋ゴム工業株式会社 | 空気入りタイヤ |
JP5873329B2 (ja) * | 2011-12-27 | 2016-03-01 | 株式会社ブリヂストン | ゴム装飾物及びタイヤ |
WO2016109094A1 (en) * | 2014-12-31 | 2016-07-07 | Bridgestone Americas Tire Operations, Llc | Metallic bead structure |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3128815A (en) * | 1964-04-14 | Sidewall and pneumatic tire combination | ||
US2700997A (en) * | 1951-06-30 | 1955-02-01 | Goodrich Co B F | Tire construction |
US2977151A (en) * | 1956-06-06 | 1961-03-28 | Jr Frank W Ford | Wheel flange protectors |
US2963326A (en) * | 1958-06-11 | 1960-12-06 | Charles B Aske Jr | Tire trim |
US3114650A (en) * | 1960-06-10 | 1963-12-17 | Spraylat Corp | Tire coated with removable coating comprising modified polyvinyl alcohol and method of coating |
US3164192A (en) * | 1962-09-28 | 1965-01-05 | Kasio Jose | Attachable side wall covering for tires |
US3382120A (en) * | 1964-12-18 | 1968-05-07 | Goodyear Tire & Rubber | Varicolored sidewall tire |
US3449201A (en) * | 1965-11-05 | 1969-06-10 | Minnesota Mining & Mfg | Tire sidewall facings |
FR1558385A (ja) * | 1967-11-27 | 1969-02-28 | ||
US4842033A (en) * | 1987-11-16 | 1989-06-27 | The Goodyear Tire & Rubber Company | Pneumatic tire having gum strips encasing a carcass turnup |
JPH03248903A (ja) * | 1990-02-26 | 1991-11-06 | Sumitomo Rubber Ind Ltd | 空気入りタイヤ |
JP3045743B2 (ja) * | 1990-03-20 | 2000-05-29 | 株式会社ブリヂストン | 軟カバーを有するビードフィラー構造 |
JPH04274910A (ja) * | 1991-02-28 | 1992-09-30 | Bridgestone Corp | 空気入りラジアルタイヤ |
JP3059249B2 (ja) | 1991-07-15 | 2000-07-04 | 株式会社ブリヂストン | 空気入りタイヤのビード部構造 |
JP3850049B2 (ja) | 1994-12-27 | 2006-11-29 | 株式会社ブリヂストン | 空気入りタイヤ |
JPH09111041A (ja) | 1995-10-20 | 1997-04-28 | Yokohama Rubber Co Ltd:The | 空気入りラジアルタイヤ |
US6651715B2 (en) * | 1995-11-29 | 2003-11-25 | Bridgestone Corporation | Pneumatic radial tires for truck and bus mounted on 15° drop center rim |
JPH1029413A (ja) | 1996-07-17 | 1998-02-03 | Yokohama Rubber Co Ltd:The | 空気入りラジアルタイヤ |
WO1998056604A1 (en) * | 1997-06-13 | 1998-12-17 | Michelin Recherche Et Technique S.A. | Tire bead core and filler construction |
JPH11170823A (ja) * | 1997-12-16 | 1999-06-29 | Bridgestone Corp | 重荷重用空気入りラジアルタイヤ |
US6223797B1 (en) * | 1998-01-29 | 2001-05-01 | The Yokohama Rubber Co. | Pneumatic tire with specified rubber properties |
FR2776238B1 (fr) * | 1998-03-20 | 2000-05-05 | Michelin & Cie | Bourrelet renforce de pneumatique radial |
US7819155B2 (en) * | 2004-03-25 | 2010-10-26 | Sumitomo Rubber Industries, Ltd. | Rubber composition for tire and pneumatic tire using the same |
JP3892854B2 (ja) * | 2004-03-30 | 2007-03-14 | 住友ゴム工業株式会社 | 空気入りタイヤ |
JP4523823B2 (ja) * | 2004-09-29 | 2010-08-11 | 住友ゴム工業株式会社 | 空気入りタイヤ |
EP1820630B1 (en) * | 2004-11-04 | 2013-05-22 | Bridgestone Corporation | Tire production method |
JP2008001742A (ja) | 2006-06-20 | 2008-01-10 | Bridgestone Corp | 空気入りタイヤ |
JP4976788B2 (ja) * | 2006-09-04 | 2012-07-18 | 住友ゴム工業株式会社 | 重荷重用タイヤ |
-
2008
- 2008-11-11 JP JP2008289002A patent/JP5124421B2/ja not_active Expired - Fee Related
-
2009
- 2009-09-09 US US12/555,937 patent/US8424579B2/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018235499A1 (ja) * | 2017-06-19 | 2018-12-27 | 株式会社ブリヂストン | ビード部材、空気入りタイヤ及び組立体 |
Also Published As
Publication number | Publication date |
---|---|
US20100116401A1 (en) | 2010-05-13 |
US8424579B2 (en) | 2013-04-23 |
JP5124421B2 (ja) | 2013-01-23 |
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