CN1172030A - 装有内胎的轮胎 - Google Patents
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Abstract
提供一种装有内胎的轮胎,填充密封剂时不会损伤内胎且密封剂不会使内胎的空气阀堵塞。通过将具有相同尺寸的圆形横截面的第1内胎半体及第2内胎半体在生橡胶状态胶合后进行硫化,以无接缝的状态形成一体化的内胎,在第1内胎半体的内部形成空气室3,在第2内胎半体的内部形成充填了密封剂的密封剂室。当内胎被刺伤时,密封剂就修补刺伤防止泄气。另外,因空气室与密封剂室相隔离,故不会因密封剂而堵塞空气室的空气阀。
Description
本发明涉及由装载于轮圈的外周的轮胎和收纳于由轮圈及轮胎构成的空间内的内胎组成的装有内胎的轮胎。
一般的装有内胎的轮胎,在内胎被钉子等刺伤的情况下,内胎内的空气容易因刺伤而通过轮胎及内胎间的微小间隙,从轮圈的螺纹接头孔漏出到外部,成为所谓的泄气状态。
因此,人们发明了在内胎受到刺伤时,为自动地应急修补此刺伤而将液体密封剂预先适量注入到内胎内的方法(参照特开昭58-74342号公报)。
然而,上述的现有的东西,在内胎成形时,在该内胎的内部放入充填了密封剂的胶囊,成形后要破坏前述胶囊使密封剂充填内胎内,在施加破坏胶囊所须的外力时,不仅容易损伤内胎,而且有密封剂堵塞内胎的空气阀、测定内胎内的气压时使压力计堵塞之类的情况。
本发明借鉴前述的事情,以提供充填密封剂时不损伤内胎且密封剂不会堵塞内胎的空气阀的装有内胎的轮胎为目的。
为达到上述的目的,本发明方案的特征是,在由装载于轮圈的外周的轮胎和收纳于由轮圈及轮胎构成的空间内的内胎构成的装有内胎的轮胎中,前述内胎是,将在生橡胶的圆形截面的第1内胎半体及第2内胎半体在各自外表面的大致半周长部分相互接合后硫化而成;在位于轮胎的半径方向内侧的第1内胎半体的内部形成充填空气的空气室,同时,在位于轮胎的半径方向外侧的第2内胎半体的内部形成充填密封剂的密封剂室。
另外,本发明方案2中的发明的特征是,在方案1的基础上,处于自由状态的第1内胎半体及第2内胎半体具有相同的直径。
图1装配了装有内胎的轮胎的车轮的横截面图。
图2内胎制造工艺的示意图。
图3显示两内胎半体材料的外周面的胶合状态的图。
图4显示两内胎半体材料的端面的胶合状态的图。
图5图4中5-5线的截面图。
图6压上障碍物时的作用说明图。
下面,基于附图所示的本发明的实施例说明本发明的实施形态。
图1~图6表示本发明的一个实施例。图1为装配了装有内胎的轮胎的车轮的横截面图、图2为内胎制造工艺的示意图。图3为两内胎材料的外表面的胶合状态的示意图。图4为两内胎半体材料的端面的胶合状态的示意图、图5为图4中5-5线的截面图、图6为压上障碍物时的作用说明图。
如图1所示,机动二轮车用车轮的轮圈R通过钢辐条S连结于轮毂(图中未示)。在此轮圈R上装配着由轮胎1和收纳于其内部的内胎2构成的装有内胎的轮胎T。内胎2的构成是,将位于轮胎1的半径方向内侧的、截面大致为圆形的第1内胎半体4i、和位于轮胎1的半径方向外侧的、截面大致为圆弧状(自由状态时截面为圆形)的第2内胎半体4o在其外表面的大致半周长处相互胶合而成。
在第1内胎半体4i的内部构成的空气室3中充填空气、在第2内胎半体4o的内部划成的密封剂室7中充填众所周知的液体密封剂8。另,在第1内胎半体4i的半径方向的内侧部分。设有向空气室3填充空气用的空气阀6。
轮圈R具有沿装有内胎的轮胎T的圆周方向延展的环状轮圈主体部分11、和由轮圈主体部11的轴方向两端向半径方向外侧延伸的保持住轮胎1的内周的一对凸缘部12…12。向空气室3充填空气所需的位于内胎2上的空气阀6,贯通在主体部11的圆周方向某一处形成的空气阀装配部13、由螺母14、15固定。
而且,内胎2的密封剂室7由于通过空气室3的气压而保持着沿轮胎1的内面的形状,故即使由车轮转动而产生的离心力作用于充填于密封剂室7中的密封剂8上,也能防止密封剂8偏置于内胎2的外周侧面。于是,即使内胎2被钉等刺破,密封剂8可直接填充修补其被刺伤部、延迟空气从空气室3的漏出。另外,密封剂8保持于密封剂室7中,不会流到空气室3的侧面,所以不会堵塞空气阀6及与其相贴的压力计。
另外,如图6所示,当装有内胎的轮胎T压上路面的障碍物20受到冲击的负荷作用时,通过其负荷,轮胎1及内胎2的一部分被压缩向半径方向。此时,轮胎1及内胎2被夹于沿半径方向的外方向突出的轮圈R的凸缘部12、12和前述障碍物20之间,内胎2的内壁面彼此相互连接。然而,被轮胎1挟压的内胎2,由于变成2层的第1内胎半径4i和变成2层的第2内胎半体4o增加了厚度提高了强度,故能够有效地防止由轮圈冲击造成的内胎2的损伤。
并且,因在密封剂室7中填充有密封剂8,通过在轮胎1的接地部附近密封剂室7被压缩,而密封剂8向内胎2的上方移动时的冲击吸收效果,能够更有效地防止轮圈冲击对内胎2的损伤。另外,即使轮圈冲击损伤了内胎2,因为前述损伤被充填于密封剂室7的密封剂8修补,故能够防止从空气室3的空气漏出。
下面,就前述内胎2的制造方法加以说明。
如图2所示,内胎2的制造工艺,由材料混匀工序、内胎材料挤压成形工序、切断工序、开孔工序、空气阀装配工序、接合工序、第1硫化工序、密封剂充填工序、生橡胶片粘贴工序,第2硫化工序及检查工序构成。
首先,将在材料混匀工序混匀后的材料,通过在内胎材料挤压成形工序的挤压成形,挤压形成由生橡胶构成的圆形截面的内胎材料4m。然后在切断工序,通过按一定长度切断内胎材料4m,形成同一尺寸的第1内胎半体材料4i及第2内胎半体材料4o。然后在开孔工序,在第1内胎半体材料4i’上形成空气阀装配孔4,同时在第2内胎半体材料4o上形成密封剂填充孔42,在接下来的空气阀装配工序,于前述空气阀装配孔41上装配空气阀6。
在后续的接合工序,如图3所示,将第1内胎半体材料4i’及第2内胎半体材料4o’在重迭状态压接,并如图4及图5所示,在接合器16的夹紧爪161,162处将第1,第2内胎半体材料4i,4o’的两端部夹紧压接。因为第1内胎半体材料4i’及第2内胎半体材料4o’为相同直径、相同长度,故其制造和胶合作业容易。另外,在此胶合工序,虽然叙述的是将第1内胎半体材料4i’及第2内胎半体材料4o’的两端部同时接合的情况,但各自分别接合也可以。
在后续的第1硫化工序,将接合后的第1内胎半体材料4i’及第2内胎半体材料4o***到加热型模具中,通过从空气阀6向第1内胎半体材料4i内部的空气室3中供给加热了的空气或高温的水蒸气,使第1内胎半体材料4i’的半周及第2内胎半体材料4o’的半周部分与加热模具紧密接触,同时使两内胎半体材料4i’、4o’的剩余的半周与前述第2内胎半体材料4o’的半周紧密接触,在此状态下加热加热模具来进行硫化。于是,因为在第2内胎半体材料4o’上在开孔工序开设了密封剂填充孔42,故因供给加热了的空气或高温水蒸气使第1内胎半体材料4i’膨胀时,空气通过前述密封剂填充孔42从被第1内胎半体材料4i’押紧的第2内胎半体材料4o’的内部排出,因而,如前所述两内胎半体材料4i’、4o’紧密接触而被硫化。
如此,通过将第1内胎半体材料4i’及第2内胎半体材料4o’在生橡胶状态胶合硫化,能够提高将两内胎半体材料4i’、4o’完全一体化而形成的内胎2的强度。
在后续的密封剂填充工序,从密封剂填充孔42向第2内胎半体材料4o’的内部的密封剂室7填充密封剂8。此时,通过在填充密封剂8之前从空气阀6供给空气使空气室3膨胀,将密封剂室7内的空气完全排出,由此状态开始密封剂8的填充。如此,通过由将密封室7的空气完全排出后的状态开始填充密封剂8,有效地防止相对密封剂8的空气混入,能够只填充密封剂8。另外,因利用空气阀6向空气室3供给空气,故不必开设向第1内胎半体材料4i’填充空气用的孔。
在接下来的生橡胶片粘贴工序,为覆盖密封剂充填孔42而粘贴了生橡胶片19后,通过在第2硫化工序将生橡胶片19附近的局部进行硫化来闭塞密封剂填充孔42,从而完成内胎2。因使用和内胎2相同材料的生橡胶片19来闭塞密封剂填充孔42,能够提高闭塞部的强度、有效地防止密封剂8的泄漏。然后,将做好的内胎2在检查工序检查后结束制造工序。
于是,通过使第1内胎半体材料4i’及第2内胎半体材料4o’为相同尺寸,能够环绕完成了的内胎2的横截面大致半周形成密封剂室7,即使轮胎1的齿部的任何部位受到刺伤,也能够防止泄气状态。假设使第2内胎半体材料4o’比第1内胎半体材料4i’的直径小的话,则密封剂室7变小,在从轮胎1的侧面方向受到剌伤就不能防止泄气;另外,假设使第2内胎半体材料4o’比第1内胎半体材料4i’的直径大,密封剂室7的两则部分则人空气室3突出,使内胎2的整体的横截面形状成为非圆形的了。
以上,详述了本发明的实施例,本发明在不脱离其宗旨的范围内,可以进行多种设计改变。
如上所述,由方案1中所记载的发明,因在空气室的半径方向的外侧设置了填充了密封剂的密封室,即使内胎受到钉子等的刺伤,也能够以密封剂直接修补刺伤,防止空气从空气室漏出。且因为没有在内胎的内部破坏胶囊的必要,故不存在破坏胶囊的对内胎的损伤。特别地,在半径方向的负荷作用于轮胎时,该轮胎挟压于轮圈上的内胎变成了4重,故可以提高内胎的强度,防止轮圈冲击部的损伤。进一步,因将第1内胎半体及第2内胎半体在生橡胶状态胶合后进行硫化,故能够使2个内胎半体在无接缝的状态完全一体化。而且因为仅仅是将截面为单纯的圆形的第1内胎半体及第2内胎半体接合、向第2内胎半体内的密封剂室填充密封剂的简单的构造,故不会导致重量的增加或制造成本的增加。
另外如方案2所记载的发明,因为处于自由状态的第1内胎半体及第2内胎半体具有相同的直径,故两内胎半体的制造及胶合很容易,且能够使完成后的内胎的密封剂室延伸到轮胎的侧壁。
Claims (2)
1.一种装有内胎的轮胎,包括装载于轮圈(R)的外周的轮胎(1),和收纳于由轮圈(R)及轮胎(1)构成的空间内的内胎(2),其特征是:前述内胎(2)是,将生橡胶状态的圆形截面的第1内胎半体(4i)及第2内胎半体(4o)在各自外表面的略半周长部分相互接合后硫化而成;在位于轮胎(1)的半径方向内侧的第1内胎半体(4i)的内部构成充填空气的空气室(3),同时,在位于轮胎(1)的半径方向外侧的第2内胎半体(4o)的内部形成充填密封剂(8)的密封剂室(7)。
2.如权利要求1所记载的装有内胎的轮胎,其特征是处于自由状态的第1内胎半体(4i)及第2内胎半体(4o)具有相同的直径。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP168009/1996 | 1996-06-27 | ||
JP16800996A JP3526697B2 (ja) | 1996-06-27 | 1996-06-27 | チューブの製造方法 |
JP168009/96 | 1996-06-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1172030A true CN1172030A (zh) | 1998-02-04 |
CN1072135C CN1072135C (zh) | 2001-10-03 |
Family
ID=15860122
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN97114021A Expired - Fee Related CN1072135C (zh) | 1996-06-27 | 1997-06-26 | 装有内胎的轮胎 |
Country Status (12)
Country | Link |
---|---|
US (1) | US6334918B1 (zh) |
EP (1) | EP0816133B1 (zh) |
JP (1) | JP3526697B2 (zh) |
KR (1) | KR100279934B1 (zh) |
CN (1) | CN1072135C (zh) |
AR (1) | AR007790A1 (zh) |
BR (1) | BR9703749A (zh) |
CO (1) | CO4650060A1 (zh) |
DE (1) | DE69704810T2 (zh) |
ID (1) | ID17304A (zh) |
MY (1) | MY123662A (zh) |
TW (1) | TW349061B (zh) |
Cited By (2)
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CN104943475A (zh) * | 2014-03-25 | 2015-09-30 | 住友橡胶工业株式会社 | 充气轮胎 |
CN110143106A (zh) * | 2019-06-03 | 2019-08-20 | 周春长 | 一种横截面ω形孔面注pet形成的防爆膜上膜封补胎液的隔层卡环封闭式防爆轮胎 |
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JP4167340B2 (ja) * | 1999-03-08 | 2008-10-15 | 住友ゴム工業株式会社 | 空気入りタイヤおよび空気入りタイヤの製造方法 |
CN1307041C (zh) * | 1999-11-24 | 2007-03-28 | 本田技研工业株式会社 | 装入密封剂的轮胎的密封剂充填方法 |
JP4511753B2 (ja) * | 2001-03-09 | 2010-07-28 | 本田技研工業株式会社 | シール剤入りタイヤチューブのシール剤封入装置 |
JP4511754B2 (ja) * | 2001-03-09 | 2010-07-28 | 本田技研工業株式会社 | シール剤入りタイヤチューブのシール剤封入装置 |
JP4720780B2 (ja) * | 2007-05-01 | 2011-07-13 | 横浜ゴム株式会社 | 空気入りタイヤ及びその製造方法 |
KR100871989B1 (ko) * | 2007-09-07 | 2008-12-09 | 금호타이어 주식회사 | 타이어 펑크를 방지하는 공기입 타이어 |
US8617333B2 (en) * | 2007-09-20 | 2013-12-31 | The Goodyear Tire & Rubber Company | Pneumatic tire having built-in sealant layer and preparation thereof |
US20090084482A1 (en) * | 2007-09-28 | 2009-04-02 | Ramendra Nath Majumdar | Pneumatic tire having built-In sealant layer and preparation thereof |
US8316903B2 (en) * | 2007-10-01 | 2012-11-27 | The Goodyear Tire & Rubber Company | Pneumatic tire having built-in sealant layer and preparation thereof |
CN114013221A (zh) * | 2021-08-28 | 2022-02-08 | 胡学贵 | 新型防漏防爆辅助轮胎 |
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-
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- 1996-06-27 JP JP16800996A patent/JP3526697B2/ja not_active Expired - Fee Related
-
1997
- 1997-06-17 AR ARP970102625A patent/AR007790A1/es unknown
- 1997-06-19 CO CO97034039A patent/CO4650060A1/es unknown
- 1997-06-25 TW TW086108998A patent/TW349061B/zh active
- 1997-06-25 MY MYPI97002865A patent/MY123662A/en unknown
- 1997-06-26 CN CN97114021A patent/CN1072135C/zh not_active Expired - Fee Related
- 1997-06-27 ID IDP972246A patent/ID17304A/id unknown
- 1997-06-27 KR KR1019970028341A patent/KR100279934B1/ko not_active IP Right Cessation
- 1997-06-27 DE DE69704810T patent/DE69704810T2/de not_active Expired - Fee Related
- 1997-06-27 BR BR9703749A patent/BR9703749A/pt not_active IP Right Cessation
- 1997-06-27 US US08/884,639 patent/US6334918B1/en not_active Expired - Fee Related
- 1997-06-27 EP EP97110580A patent/EP0816133B1/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104943475A (zh) * | 2014-03-25 | 2015-09-30 | 住友橡胶工业株式会社 | 充气轮胎 |
CN110143106A (zh) * | 2019-06-03 | 2019-08-20 | 周春长 | 一种横截面ω形孔面注pet形成的防爆膜上膜封补胎液的隔层卡环封闭式防爆轮胎 |
CN110143106B (zh) * | 2019-06-03 | 2021-07-23 | 周春长 | 一种横截面ω形孔面注pet形成的防爆膜上膜封补胎液的隔层卡环封闭式防爆轮胎 |
Also Published As
Publication number | Publication date |
---|---|
BR9703749A (pt) | 1998-10-27 |
JPH1016522A (ja) | 1998-01-20 |
DE69704810T2 (de) | 2001-08-30 |
CO4650060A1 (es) | 1998-09-03 |
CN1072135C (zh) | 2001-10-03 |
DE69704810D1 (de) | 2001-06-21 |
ID17304A (id) | 1997-12-17 |
KR980001009A (ko) | 1998-03-30 |
AR007790A1 (es) | 1999-11-24 |
MY123662A (en) | 2006-05-31 |
KR100279934B1 (ko) | 2001-02-01 |
EP0816133B1 (en) | 2001-05-16 |
TW349061B (en) | 1999-01-01 |
EP0816133A1 (en) | 1998-01-07 |
JP3526697B2 (ja) | 2004-05-17 |
US6334918B1 (en) | 2002-01-01 |
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