WO2006075550A1 - 空気入りタイヤの製造方法 - Google Patents
空気入りタイヤの製造方法 Download PDFInfo
- Publication number
- WO2006075550A1 WO2006075550A1 PCT/JP2006/300056 JP2006300056W WO2006075550A1 WO 2006075550 A1 WO2006075550 A1 WO 2006075550A1 JP 2006300056 W JP2006300056 W JP 2006300056W WO 2006075550 A1 WO2006075550 A1 WO 2006075550A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sheet
- pneumatic tire
- inner liner
- producing
- rubber
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D30/00—Producing pneumatic or solid tyres or parts thereof
- B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
- B29D30/08—Building tyres
- B29D30/20—Building tyres by the flat-tyre method, i.e. building on cylindrical drums
- B29D30/30—Applying the layers; Guiding or stretching the layers during application
-
- 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
- B60C5/00—Inflatable pneumatic tyres or inner tubes
- B60C5/12—Inflatable pneumatic tyres or inner tubes without separate inflatable inserts, e.g. tubeless tyres with transverse section open to the rim
- B60C5/14—Inflatable pneumatic tyres or inner tubes without separate inflatable inserts, e.g. tubeless tyres with transverse section open to the rim with impervious liner or coating on the inner wall of the tyre
Definitions
- the present invention relates to a method for manufacturing a pneumatic tire.
- the present invention relates to a novel method for manufacturing a pneumatic tire that makes it possible to manufacture a pneumatic tire that exhibits excellent performance in terms of the above.
- the method for producing a pneumatic tire of the present invention is bonded to the inner liner, for example, when a sheet-like member made of the composition containing the resin component is used for the inner liner. It is possible to prevent an air reservoir from being generated near the splice portion of the rubber sheet material, thereby realizing the production of the high performance pneumatic tire as described above.
- the present invention will be described by taking as an example a case where a pneumatic tire is manufactured using a sheet-like member made of a composition containing a resin component, particularly in an inner liner.
- the present invention is not limited to this example.
- a non-breathable inner liner is attached to the inner wall surface of the tire, and the filled air pressure is maintained by the inner liner. It is something that can be beaten.
- the inner liner is generally formed of a rubber material from the viewpoint of good adhesion to adjacent layers.
- the layer adjacent to the inner liner is usually formed of a rubber material, and since the adhesion between the rubber and the rubber is relatively good, the structure of the inner liner is The material was also made of rubber.
- butyl rubber has been proposed and used as a material for forming an inner liner because butyl rubber is excellent in air permeability.
- this butyl rubber has a large specific gravity! / And is therefore inconvenient for reducing the tire weight.
- the presence of the resin component may reduce the adhesion with other rubber members.
- the inner liner is a layer adjacent to the inner liner. In some cases, the adhesion to the rubber sheet material was not good.
- the air pool generated at the time of pasting further expands the air pool due to thermal expansion when an unvulcanized tire is vulcanized in a subsequent tire manufacturing process.
- the inner liner may break at the location of the enlarged air reservoir, and there is a problem that the durability of the tire decreases.
- a pneumatic tire having an air pocket is not a product tire as a product tire.
- Patent Document 1 Japanese Patent Laid-Open No. 2002-80644
- An object of the present invention is to provide a sheet-like member (B) to be bonded to the inner liner even when the sheet-like material (A) made of a composition containing a resin component is used as an inner liner.
- Another object of the present invention is to provide a method for manufacturing a pneumatic tire.
- a method for manufacturing a pneumatic tire of the present invention has the following configuration (1) in order to achieve the above-described problem.
- a sheet-like member (A) made of a composition containing a resin component and a sheet-like member (B) made of a rubber composition in which both circumferential ends are spliced together are molded into a molding drum.
- the sheet-like member (B) has a cutting linear force at both ends in the circumferential direction of the sheet-like member (B).
- B) Uses one having a vertex at the intermediate portion in the width direction, and being displaced in the counter-rotating direction of the forming drum as it is directed from the vertex toward the left and right edge portions in the width direction.
- the following (2) to (8) have a configuration described in any one of the following.
- composition containing the resin component is a thermoplastic resin composition containing a rubber component.
- FIG. 1 shows, as an embodiment of the method for producing a pneumatic tire of the present invention, a sheet-like member (A) as an inner liner, and a sheet-like member.
- FIG. 5 is a process explanatory diagram for explaining the bonding steps in the order of the steps when the method of the present invention is adopted in those bonding steps when (B) is used as a tie rubber.
- FIG. 2 is a view showing the pneumatic tire manufacturing method according to the embodiment of the present invention described in FIG. 1, after the sheet-like member (B) is wound around the forming drum and overlapped. It is a schematic model front view showing the state of the vicinity of the splice on the forming drum.
- FIG. 3 is a cross-sectional view taken along the line XX in the schematic model front view showing the state near the splice on the forming drum shown in FIG. 2.
- FIG. 4 shows a case where a sheet-like member (A) is used as an inner liner and a sheet-like member (B) is used as a tie rubber as an embodiment of the method for producing a pneumatic tire of the present invention.
- FIG. 9 is a schematic model front view showing a state in the vicinity of the splice portion on the forming drum corresponding to FIG. 2, showing another embodiment.
- FIG. 5 shows a case where a sheet-like member (A) is used as an inner liner and a sheet-like member (B) is used as a tie rubber as an embodiment of the method for producing a pneumatic tire of the present invention.
- FIG. 7 is a schematic model front view showing a state in the vicinity of a splice portion on a forming drum corresponding to FIG. 2, showing still another embodiment.
- Sheet member (B) (Tie rubber)
- the cutting lines at both ends in the circumferential direction of the sheet-like member (B) are directed from the apex at the intermediate portion in the width direction of the sheet-like member (B) to the left and right edge portions, respectively. Accordingly, since it is formed so as to be displaced in the counter-rotating direction of the forming drum, a sheet-like member (A) such as an inner liner made of a composition containing a resin component and the sheet-like member such as tie rubber ( B) on the forming drum, for example, by using a stitch roller or the like, the stitch roller pressing point against the splice portion of the sheet-like member (B) starts from the top of the cutting line.
- a sheet-like member (A) such as an inner liner made of a composition containing a resin component and the sheet-like member such as tie rubber ( B) on the forming drum, for example, by using a stitch roller or the like, the stitch roller pressing point against the splice portion of the sheet-like member (B) starts from the
- FIGS. 1A to 1D show a sheet-like member (B) using a sheet-like member (A) as an inner liner as an embodiment of the method for producing a pneumatic tire of the present invention.
- the bonding step is a process explanatory diagram for explaining the bonding step in order of steps. This process is usually performed on the primary molding drum of uncured tires.
- 1 is an inner liner that serves as a non-breathable layer on the inner wall of a pneumatic tire as an example of a sheet-like member (A) made of a composition containing a resin component, and a rubber component It is shape
- [0023] 2 is a tie rubber inserted as an example of the sheet-like member (B) between the inner liner 11 and the carcass material.
- a molding roller 3 and a stitch roller 4 having a surface layer made of elastic rubber are provided as a molding device.
- the bonding process between the inner liner 1 and the sheet-like member 2 described above is performed using the forming drum 3 and the stitch roller 4 as follows.
- the inner liner 1 is inserted into the outer side of the forming drum 3 as shown by the arrow, and as shown in FIG. Make sure that liner 1 is covered.
- Both end portions in the circumferential direction of the sheet-like member (tie rubber) 2 cut to a certain length have vertices 2c and 2c 'at the intermediate portions in the width direction of the sheet-like member, respectively.
- 2c ′ so that the cutting lines 2a, 2b; 2a ⁇ , 21 / extend from the left and right edge portions 2e, 2e.
- These cutting lines 2a, 2b; 2a ', 2b' are formed so that the vertices 2c, 2c 'are displaced in the counter-rotating direction of the forming drum 3 as the forces of the vertices 2c, 2c' move toward the left and right edges respectively. It is a thing.
- the cutting lines 2a and 2b on the front end side in the winding direction have a convex shape
- the cutting lines 2 and 21 / on the rear end side in the winding direction have a concave shape
- FIG. 2 is a front view of the forming drum in which the sheet-like member 2 is overlapped and spliced in this way to form the splice portion S.
- the splice portion S forms a step as shown in FIG. Air pool A is formed at the step.
- the splice portion S is first pressed at the apexes 2c and 2c 'by the stitch roller 4 and then cut as indicated by the broken line arrows. It is pressed along the lines 2a, 2b; 2a ', 21 / so as to proceed to the left and right edge portions 2e, 2e. Therefore, the air reservoir A at the step of the splice S While being crushed, it moves along the cutting lines 2a, 2b; 2a ', 2b' to the edge portions 2e, 2e and is finally discharged to the outside, so that no air pool remains in the vicinity of the splice portion S. It can be done.
- the sheet-like member (B) to be bonded to the inner liner which is a sheet-like member (A) made of a composition containing a resin component
- the inner liner which is a sheet-like member (A) made of a composition containing a resin component
- tie rubber Any other material can be used as long as it is laminated adjacent to the sheet-like member (A).
- the carcass material of rubberized when the carcass layer is directly bonded to the inner liner is applicable.
- a sheet-like member made of butyl rubber in the case where a conventional butyl rubber sheet-like member is bonded to the inner liner made of a thermoplastic resin composition and used together. There may be.
- the position of the vertex in the cutting line of the sheet-like member (B) does not have to be located at the center in the width direction of the sheet-like member, and left and right from the center in the width direction. ! /, Can be displaced to either side.
- the cutting line need not be linear, and the apex force may be a curved line as long as it takes a locus of displacement in the counter-rotating direction of the forming drum toward the edge portion. May be a bend line. Further, as illustrated in FIG. 4 and FIG. 5, it may be a cutting line in which at least two of straight lines, curved lines, and bent lines are combined. In either case, when the forming drum is rotated and pressed by the stitch roller, the air can be exhausted to the outside of the edge portion.
- the angle formed by the cutting line at the circumferential end of the sheet-like member (B) with respect to the circumferential direction E of the forming drum is two cutting lines extending from the apex to the edge portions on both sides.
- the left and right average angles ⁇ and ⁇ ′ may be the same or different from each other.
- the average angle 0, ⁇ ' is preferably in the range of 20 ° to 80 °, more preferably in the range of 30 ° to 75 °.
- the average angle is 80 If it is larger than °, it will be close to the conventional cutting angle of 90 °, so the air bleeding effect may be reduced.
- the average angle 0, 0 ′ of the cutting line means that the vertex 2c (2) and the cutting line are both edge portions 2e.
- 2e is defined as the angle formed between the intersecting points B and C intersecting with the circumferential direction E of the forming drum.
- the cutting line at both ends in the circumferential direction of the sheet-like member (B) may be merely displaced toward the other edge portion of one edge portion force in the width direction of the sheet-like member (B). Since the pressure point on the splice part of the stitch mouth moves to one edge part force to the other edge part, the air in the step part is directed to one edge part force to the other edge part. Can be driven out. However, in this case, as in the present invention, the apex force at the intermediate portion in the width direction of the sheet-like member (B) The air passage is about twice or more compared to the case where the air passage is divided into two paths to move the air. Therefore, it is preferable because the flow resistance increases and the air bleeding effect decreases accordingly.
- the above-described inner liner used as the sheet-like member (A) is formed in a tube shape with no splice portion formed in the circumferential direction as illustrated in FIG. It is most effective to use the above-mentioned one in that the above-mentioned effects of the present invention can be satisfactorily exhibited.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tyre Moulding (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/794,691 US8696846B2 (en) | 2005-01-11 | 2006-01-06 | Method of manufacturing a pneumatic tire |
EP06711455A EP1842658B1 (en) | 2005-01-11 | 2006-01-06 | Process for producing pneumatic tire |
JP2006552893A JP3995707B2 (ja) | 2005-01-11 | 2006-01-06 | 空気入りタイヤの製造方法 |
CN2006800020969A CN101102883B (zh) | 2005-01-11 | 2006-01-06 | 充气轮胎的制造方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005003770 | 2005-01-11 | ||
JP2005-003770 | 2005-01-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006075550A1 true WO2006075550A1 (ja) | 2006-07-20 |
Family
ID=36677575
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2006/300056 WO2006075550A1 (ja) | 2005-01-11 | 2006-01-06 | 空気入りタイヤの製造方法 |
Country Status (5)
Country | Link |
---|---|
US (1) | US8696846B2 (ja) |
EP (1) | EP1842658B1 (ja) |
JP (1) | JP3995707B2 (ja) |
CN (1) | CN101102883B (ja) |
WO (1) | WO2006075550A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7947141B2 (en) * | 2007-09-12 | 2011-05-24 | The Yokohama Rubber Co., Ltd. | Method for manufacturing pneumatic tire |
JP2013010391A (ja) * | 2011-06-28 | 2013-01-17 | Yokohama Rubber Co Ltd:The | 空気入りタイヤ |
WO2013168472A1 (ja) * | 2012-05-08 | 2013-11-14 | 横浜ゴム株式会社 | 空気入りタイヤ |
WO2014021036A1 (ja) * | 2012-07-31 | 2014-02-06 | 横浜ゴム株式会社 | 空気入りタイヤの製造方法 |
JP2016210092A (ja) * | 2015-05-08 | 2016-12-15 | 住友ゴム工業株式会社 | タイヤ用のゴムストリップ、ゴムストリップの切断装置、及び、このゴムストリップを用いた空気入りタイヤの製造方法 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4419971B2 (ja) * | 2006-02-27 | 2010-02-24 | 横浜ゴム株式会社 | 空気入りタイヤの製造方法 |
US8454778B2 (en) | 2010-11-15 | 2013-06-04 | Ramendra Nath Majumdar | Pneumatic tire with barrier layer and method of making the same |
JP4944239B1 (ja) | 2010-11-17 | 2012-05-30 | 住友ゴム工業株式会社 | 空気入りタイヤの製造方法 |
CN102267271A (zh) * | 2011-06-28 | 2011-12-07 | 江苏通用科技股份有限公司 | 轮胎内衬层复合用橡塑复合辊 |
CN105209548B (zh) | 2013-03-13 | 2018-04-24 | 巴斯夫欧洲公司 | 用于充气轮胎组装件的内衬层 |
FR3102097A1 (fr) * | 2019-10-16 | 2021-04-23 | Compagnie Generale Des Etablissements Michelin | Pneumatique a emission de bruit reduit et son procede de fabrication |
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JPS58134731A (ja) * | 1982-02-05 | 1983-08-11 | Toyo Tire & Rubber Co Ltd | タイヤ成形機のステイツチ装置 |
JPS59216704A (ja) * | 1983-05-24 | 1984-12-06 | Yokohama Rubber Co Ltd:The | 空気入りラジアルタイヤ |
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JPH0592498A (ja) * | 1991-10-03 | 1993-04-16 | Sumitomo Rubber Ind Ltd | 空気入りタイヤ |
JPH08258506A (ja) * | 1995-03-24 | 1996-10-08 | Yokohama Rubber Co Ltd:The | 空気入りタイヤ及びその製造方法 |
WO1996034736A1 (fr) * | 1995-05-02 | 1996-11-07 | The Yokohama Rubber Co., Ltd. | Procede de production de pneumatiques |
JP2000501352A (ja) * | 1995-11-10 | 2000-02-08 | ミシュラン ルシェルシュ エ テクニーク ソシエテ アノニム | 斜めの重ね溶接を施したカーカスプライ付きラジアルタイヤ |
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US4052246A (en) * | 1976-03-30 | 1977-10-04 | The Goodyear Tire & Rubber Company | Stitcher for tire building |
DE2916445A1 (de) * | 1979-04-24 | 1980-11-06 | Continental Gummi Werke Ag | Luftreifen, insbesondere guertelreifen |
DE4220490A1 (de) * | 1992-06-23 | 1994-01-05 | Krupp Maschinentechnik | Reifenaufbaumaschine |
US5618374A (en) * | 1994-02-10 | 1997-04-08 | Wyko, Inc. | Belt and tread drum for vehicle tire making machine |
DE69518481T2 (de) * | 1994-09-13 | 2001-04-19 | Gunze Ltd., Ayabe | Gasundurchlässiger Schichtstoff aus Gummi und Kunststoff |
EP0761477B1 (en) | 1995-03-24 | 2002-08-07 | The Yokohama Rubber Co., Ltd. | Pneumatic tire |
US5851323A (en) * | 1995-03-24 | 1998-12-22 | The Yokohama Rubber Co., Ltd. | Pneumatic tire with air permeation preventive layer |
CN1153686C (zh) * | 1997-06-09 | 2004-06-16 | 英麦特股份股份有限公司 | 水性阻隔涂料混合物、有阻隔涂层的制品和轮胎以及制造涂覆制品的方法 |
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JP4588177B2 (ja) | 2000-06-30 | 2010-11-24 | 株式会社ブリヂストン | 空気入りタイヤおよびその製造方法 |
CN100491140C (zh) * | 2002-10-08 | 2009-05-27 | 住友橡胶工业株式会社 | 无内胎轮胎 |
JP4182120B2 (ja) | 2005-06-20 | 2008-11-19 | キヤノン株式会社 | シート整合装置およびそれを備えた画像形成装置 |
JP5092498B2 (ja) | 2007-03-30 | 2012-12-05 | Jfeスチール株式会社 | 低降伏比高強度高靱性鋼板及びその製造方法 |
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2006
- 2006-01-06 US US11/794,691 patent/US8696846B2/en not_active Expired - Fee Related
- 2006-01-06 CN CN2006800020969A patent/CN101102883B/zh not_active Expired - Fee Related
- 2006-01-06 EP EP06711455A patent/EP1842658B1/en not_active Expired - Fee Related
- 2006-01-06 JP JP2006552893A patent/JP3995707B2/ja not_active Expired - Fee Related
- 2006-01-06 WO PCT/JP2006/300056 patent/WO2006075550A1/ja active Application Filing
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JPS58134731A (ja) * | 1982-02-05 | 1983-08-11 | Toyo Tire & Rubber Co Ltd | タイヤ成形機のステイツチ装置 |
JPS59216704A (ja) * | 1983-05-24 | 1984-12-06 | Yokohama Rubber Co Ltd:The | 空気入りラジアルタイヤ |
JPH04182120A (ja) * | 1990-11-16 | 1992-06-29 | Yokohama Rubber Co Ltd:The | 空気入りタイヤ |
JPH0592498A (ja) * | 1991-10-03 | 1993-04-16 | Sumitomo Rubber Ind Ltd | 空気入りタイヤ |
JPH08258506A (ja) * | 1995-03-24 | 1996-10-08 | Yokohama Rubber Co Ltd:The | 空気入りタイヤ及びその製造方法 |
WO1996034736A1 (fr) * | 1995-05-02 | 1996-11-07 | The Yokohama Rubber Co., Ltd. | Procede de production de pneumatiques |
JP2000501352A (ja) * | 1995-11-10 | 2000-02-08 | ミシュラン ルシェルシュ エ テクニーク ソシエテ アノニム | 斜めの重ね溶接を施したカーカスプライ付きラジアルタイヤ |
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7947141B2 (en) * | 2007-09-12 | 2011-05-24 | The Yokohama Rubber Co., Ltd. | Method for manufacturing pneumatic tire |
JP2013010391A (ja) * | 2011-06-28 | 2013-01-17 | Yokohama Rubber Co Ltd:The | 空気入りタイヤ |
WO2013168472A1 (ja) * | 2012-05-08 | 2013-11-14 | 横浜ゴム株式会社 | 空気入りタイヤ |
JP2013233850A (ja) * | 2012-05-08 | 2013-11-21 | Yokohama Rubber Co Ltd:The | 空気入りタイヤ |
CN104284784A (zh) * | 2012-05-08 | 2015-01-14 | 横滨橡胶株式会社 | 充气轮胎 |
WO2014021036A1 (ja) * | 2012-07-31 | 2014-02-06 | 横浜ゴム株式会社 | 空気入りタイヤの製造方法 |
JP2014028443A (ja) * | 2012-07-31 | 2014-02-13 | Yokohama Rubber Co Ltd:The | 空気入りタイヤの製造方法 |
JP2016210092A (ja) * | 2015-05-08 | 2016-12-15 | 住友ゴム工業株式会社 | タイヤ用のゴムストリップ、ゴムストリップの切断装置、及び、このゴムストリップを用いた空気入りタイヤの製造方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1842658A4 (en) | 2009-01-28 |
EP1842658A1 (en) | 2007-10-10 |
US20090205770A1 (en) | 2009-08-20 |
JPWO2006075550A1 (ja) | 2008-06-12 |
EP1842658B1 (en) | 2012-05-16 |
CN101102883A (zh) | 2008-01-09 |
US8696846B2 (en) | 2014-04-15 |
JP3995707B2 (ja) | 2007-10-24 |
CN101102883B (zh) | 2011-11-23 |
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