WO2005007392A1 - 空気入りタイヤの製造方法及びそれに使用されるタイヤ成形ドラム装置 - Google Patents
空気入りタイヤの製造方法及びそれに使用されるタイヤ成形ドラム装置 Download PDFInfo
- Publication number
- WO2005007392A1 WO2005007392A1 PCT/JP2004/010098 JP2004010098W WO2005007392A1 WO 2005007392 A1 WO2005007392 A1 WO 2005007392A1 JP 2004010098 W JP2004010098 W JP 2004010098W WO 2005007392 A1 WO2005007392 A1 WO 2005007392A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tire
- building drum
- tire building
- inner liner
- layer
- 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.)
- Ceased
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
- B29D30/0005—Pretreatment of tyres or parts thereof, e.g. preheating, irradiation, precuring
-
- 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)
- B29D30/0681—Parts of pneumatic tyres; accessories, auxiliary operations
- B29D2030/0682—Inner liners
Definitions
- the present invention relates to a method for manufacturing a pneumatic tire and a tire building drum device used for the method.
- the present invention relates to a method for manufacturing a pneumatic tire and a tire forming drum device used for the method, and more particularly, to suppress peeling of an inner liner layer made of a thermoplastic elastomer at the time of forming a green tire, and
- the present invention relates to a method of manufacturing a pneumatic tire that improves the handling of an inner liner, and a tire building drum device used for the method.
- a pneumatic tire is provided with a single layer of inner liner made of rubber, such as a little rubber, on the inside of the tire in order to prevent permeation of air filled in a hollow portion.
- inner liner made of rubber, such as a little rubber
- thermoplastic elastomer instead of rubber for the inner liner layer in order to reduce the weight of the tire.
- One layer of the inner liner made of a thermoplastic elastomer can be made into a thinner film than that of a rubber, which contributes to the light weight of the tire.
- One layer of the film-shaped inner liner made of the above-mentioned thermoplastic elastomer is coated with an adhesive on the outer peripheral surface thereof in order to ensure adhesion to a tire component such as a carcass layer arranged on the outer peripheral side. I have to.
- a tire component such as a carcass layer arranged on the outer peripheral side.
- Patent Document 1 Japanese Patent Application Laid-Open No. 10-25375
- Patent Document 2 Japanese Patent Application Laid-Open No. 11-199713
- a method for manufacturing a pneumatic tire according to the present invention that achieves the above object is a method for manufacturing a pneumatic tire having an inner liner layer made of a thermoplastic elastomer, in which the surface of a tire forming drum is heated in advance. And a step of arranging one layer of a cylindrical inner liner having an adhesive applied on the outer peripheral surface thereof on the surface of the heated tire forming drum, and arranging an unvulcanized tire component on the outer peripheral side of the one inner liner layer. And a step of vulcanizing the green tire.
- the tire building drum device of the present invention is a tire building drum device provided with a scalable tire building drum, characterized in that it has a heating means capable of heating the surface of the tire building drum.
- the adhesive applied to the outer peripheral surface of one inner liner has high cohesive strength and low tackiness at room temperature. It is possible to use a material having high tackiness when heated.
- FIG. 1 is a partial cross-sectional view showing one example of a pneumatic tire formed by a method of manufacturing a pneumatic tire according to the present invention.
- FIG. 2 is a front view showing a first embodiment of a tire building drum device used in the pneumatic tire manufacturing method of the present invention.
- FIG. 3 is an enlarged cross-sectional view taken along the line ⁇ - ⁇ of FIG. 2.
- FIG. 4 shows a second example of the tire building drum device used in the pneumatic tire manufacturing method of the present invention. It is an expanded sectional view showing an embodiment.
- FIG. 5 is an enlarged sectional view showing a third embodiment of a tire building drum device used in the method of manufacturing a pneumatic tire according to the present invention.
- FIG. 6 is an enlarged sectional view showing a fourth embodiment of a tire building drum device used in the method of manufacturing a pneumatic tire according to the present invention.
- FIG. 7a is a front view illustrating a step of attaching an inner liner having an adhesive applied to an outer peripheral surface thereof to a heated tire building drum.
- FIG. 7b is a half cross-sectional view showing a state in which a single inner liner is attached to the outer peripheral surface of the tire building drum whose diameter has been increased.
- FIG. 7c is a schematic view illustrating a step of forming the carcass assembly.
- FIG. 7d is a schematic diagram illustrating a process of inflating the carcass assembly and crimping the carcass assembly to the belt'tread assembly.
- FIG. 1 shows an example of a pneumatic tire manufactured by the method for manufacturing a pneumatic tire of the present invention, wherein 1 is a pneumatic tire, 2 is a tread portion, 3 is a sidewall portion, and 4 is a bead portion. It is.
- a carcass layer 5 is provided in which a reinforcing cord extending between the left and right bead portions 4 and extending in the tire radial direction in the rubber layer is arranged at predetermined intervals in the tire circumferential direction.
- a plurality of belt layers 6 in which reinforcing cords extending in the rubber circumferential direction and inclined and extending in the tire circumferential direction are arranged at predetermined intervals in the tire circumferential direction are arranged.
- a tread rubber layer 7 is provided on the outer peripheral side of the belt layer 6.
- a bead core 8 is provided on each of the left and right bead portions 2, and both end portions 5 a of the carcass layer 5 are folded around the bead core 8 from the inside of the tire to the outside.
- a film-like inner liner layer 9 made of a thermoplastic elastomer is provided inside the carcass layer 5.
- a side rubber layer 10 is provided outside the carcass layer 5 of the sidewall portion 2.
- Reference numeral 11 denotes a bead filler arranged on the outer peripheral side of the bead core 8.
- FIGS. 2 and 3 show a first embodiment of a tire building drum device used in the method for manufacturing a pneumatic tire of the present invention, and reference numeral 20 denotes a tire building drum device.
- the tire building drum device 20 includes a support portion 21, a horizontally extending rotating shaft 22 supported by the supporting portion 21, and a tire building drum 23 attached to the rotating shaft 22. I have.
- Driving means (not shown) installed in the support portion 21 is connected to the rotating shaft 22.
- the tire forming drum 23 rotatably supported by the support portion 21 via the rotating shaft 22 is rotated by the operation of the driving means.
- the tire forming drum 23 is formed in a cylindrical shape from a plurality of metal drum segments 23X.
- the drum segment 23X is attached to the rotating shaft 22 via a conventionally known expansion / reduction mechanism 24, which is schematically indicated by a two-dot chain line, so as to be able to expand and contract in the radial direction of the drum.
- a heating means 25 capable of heating the surface (outer peripheral surface) 23a of the tire building drum 23 is provided.
- the heating means 25 includes a plurality of ring-shaped electric heaters 26.
- the plurality of electric heaters 26 are arranged at predetermined intervals in the drum width direction, and are supported by a support member 27 protruding from the rotating shaft 22, and are rotatable together with the rotating shaft 22.
- the inside 22a of the rotating shaft 22 is formed in a hollow shape, and two wires 28 connected to the electric heater 26 are arranged in the hollow inside 22a.
- a temperature sensor composed of a thermocouple or the like is attached to one drum segment 23X, and the intensity of the current flowing through the electric heater 26 is adjusted based on the temperature detected by the temperature sensor.
- the temperature of the surface 23a of the tire forming drum 23 can be adjusted.
- FIG. 4 shows a second embodiment of the tire building drum device used in the pneumatic tire manufacturing method of the present invention.
- the electric heater 26 of the heating means 25 has a rod shape instead of the ring shape described above. Bar-shaped electric heaters 26 extending in the drum width direction are arranged at predetermined intervals in the drum circumferential direction.
- FIG. 5 shows a third embodiment of a tire building drum device used in the method of manufacturing a pneumatic tire according to the present invention.
- the above-mentioned heating means 25 is constituted by an infrared irradiating device 30 provided with a plurality of light sources 29 such as infrared lamps for irradiating infrared rays to the surface 23a of the tire molding drum 23.
- Light sources 29 are attached to a pair of arc-shaped support members 31 at predetermined intervals.
- the pair of arc-shaped support members 31 can move between an irradiation position near the surface 23a shown in the drawing and a standby position where the surface 23a is separated.
- Each light source 29 is electrically connected to a power supply (not shown).
- the light source 29 is turned on at an irradiation position to irradiate the surface 23a of the tire building drum 23 with infrared rays so that the surface 23a can be heated.
- the surface 23a of the tire building drum 23 be black in order to efficiently heat the surface 23a of the tire building drum 23 by infrared rays.
- the entire surface 23a may be blackened, or only the region where the inner liner layer 9 is to be attached may be blackened.
- a black paint is applied to the surface 23a.
- FIG. 6 shows a fourth embodiment of a tire building drum device used in the pneumatic tire manufacturing method of the present invention.
- the heating means 25 is constituted by a medium heating device 33 in which a circulation path 32 for circulating a heating medium for heating the surface 23a of the tire building drum 23 is provided inside the tire building drum 23. .
- a plurality of first pipes 34 extending in the drum width direction are arranged at predetermined intervals in the drum circumferential direction.
- a second pipe 35 for supplying a heating medium from a heating medium supply source (not shown) to the first pipe 34, and a heating medium from the first pipe 34 for supplying a heating medium to the hollow interior 22a of the rotating shaft 22.
- a third pipe 36 for returning to.
- a connection pipe 38 having a plurality of branch pipe sections 37 is connected to the second pipe 35, and each branch pipe section 37 is connected to one end of the first pipe 34.
- a connection pipe 40 having a plurality of branch pipe sections 39 is also connected to the third pipe 36, and each branch pipe section 39 is connected to the other end of the first pipe 34.
- the heating medium supplied from the heating medium supply source returns to the heating medium supply source via the second pipe 36, the connection pipe 38, the first pipe 34, the connection pipe 40, and the second pipe 36.
- a circulation path 32 for circulating a heating medium for heating the surface 23a of the tire building drum 23 is formed inside the second pipe 36, the connecting pipe 38, the first pipe 34, the connecting pipe 40, and the second pipe 36.
- the circulation path 32 is preferably configured to circulate near the surface 23a of the tire building drum 23 as described above, in order to quickly heat the surface 23a. Inside the hollow The circulation path 32 may be formed only in the portion 22a.
- any heating medium may be used as long as the surface 23a of the tire building drum 23 can be heated.
- hot water or heated oil can be preferably used.
- FIGS. 7A to 7D a method for manufacturing a pneumatic tire according to the present invention will be described with reference to FIGS. 7A to 7D.
- the heating means 25 is turned on, and the surface 23a of the tire building drum 23 is heated in advance.
- the heating temperature of the surface 23a should be in the range of 40 to 60 ° C when using an adhesive having low tackiness at room temperature, which will be described later.
- the heating by the heating means 25 is performed at least until the uncured curl layer 5 ′ described later is wound.
- a tubular film-shaped inner liner layer 9 made of a thermoplastic elastomer and having an adhesive applied to the outer peripheral surface 9 a is inserted into the outer peripheral side of the tire forming drum 23.
- the adhesive used here has a glass transition point in the range of ⁇ 20 to 30 ° C.
- An adhesive having a glass transition point in this range has a high cohesive strength and a low tackiness at room temperature, so that it is easy to handle the inner liner layer 9 coated with the adhesive.
- the adhesive since the adhesive exhibits sufficient tackiness when heated to a temperature in the range of 40 to 60 ° C., the unvulcanized carcass layer 5 ′ is easily attached.
- the glass transition point is lower than 120 ° C, the adhesive at room temperature becomes too sticky and the handleability deteriorates. Conversely, if the glass transition point is higher than 30 ° C, it is necessary to heat to a temperature exceeding 60 ° C in order to obtain sufficient tackiness, which increases the heating time, which is not preferable in terms of productivity.
- reference numeral 30 denotes an adhesive layer applied to the outer peripheral surface 9a of the inner liner layer 9.
- each unvulcanized tire component is attached to form a Darline tire in the same manner as in the prior art. That is, an uncured sheet-like carcass layer 5 ′ is attached to the outer peripheral side of the inner liner layer 9 having the adhesive layer 30, and both ends in the circumferential direction are overlapped and joined. To do. Next, the bead core 8 to which the unvulcanized bead filler 11 'is attached in advance is arranged on the outer peripheral side of the unvulcanized carcass layer 5'.
- the diameter of the tire building drum 23 is reduced, and the cylindrical carcass assembly 40 is removed from the tire building drum 23.
- the temperature of the heated adhesive layer 30 decreases and cools down naturally, but the cooling power increases the cohesive force of the adhesive layer 30 again.
- the inner liner layer 9 does not easily peel off from the uncured carcass layer 5 '. Since the heated adhesive layer 30 is naturally cooled to room temperature in the green tire molding process, there is no need to provide a cooling step.However, in order to shorten the molding time, a forced cooling step is performed. May be provided.
- the carcass assembly 40 removed from the tire building drum 23 is blown in a toroidal shape as shown in FIG. 7d, and a preformed unvulcanized belt layer 6 ′ and an unvulcanized tread rubber
- the inner peripheral side of the cylindrical belt 'tread assembly 50 composed of the layer 7' is crimped.
- the belt tread assembly 50 is pressed by a pressure roller (not shown) and pressed against the carcass assembly 40 to form a green tire. By heating and vulcanizing this green tire, the pneumatic tire 1 shown in FIG. 1 is obtained.
- the adhesive applied to the outer peripheral surface 9a of the inner liner layer 9 has a high cohesive force at room temperature and sticks. Those having low tackiness and having high tackiness when heated can be used.
- the film-shaped inner liner layer 9 made of a thermoplastic elastomer is attached to the tire building drum 23, even if the portions of the outer peripheral surface 9a to which the adhesive of the inner liner layer 9 is applied are stuck together, they can be easily peeled off. Therefore, handling of the inner liner layer 9 can be facilitated.
- the adhesive layer 30 can be bonded to the inner liner layer 9 and the uncured carcass layer 5 ′ while the adhesive layer 30 is in a highly tacky state, while the heated adhesive 30 is naturally formed during green tire molding. After cooling, the cohesive strength increases again. Therefore, in the molded green tire, the inner liner layer 9 is composed of the uncured carcass layer. Peeling from 5 'can be suppressed.
- the thickness of the inner liner layer 9 is preferably in the range of 80 ⁇ -300 / im.
- the thickness is less than 80 / m, the function as an air permeation prevention layer becomes insufficient.
- the thickness is more than 300 ⁇ , it takes time to heat the adhesive, and the productivity is reduced.
- thermoplastic elastomer constituting the inner liner layer 9 a known thermoplastic elastomer conventionally used for the inner liner layer 9 can be used.
- a thermoplastic elastomer obtained by dispersing a rubber component in a thermoplastic resin component is used.
- thermoplastic elastomer composition disclosed in JP-A-11-199713 is a thermoplastic elastomer composition disclosed in JP-A-11-199713.
- a conventionally known adhesive can be used, and for example, a styrene-based thermoplastic elastomer-based adhesive or the like can be preferably exemplified.
- the cylindrical inner liner layer 9 having an adhesive applied to the outer peripheral surface is disposed.
- the inner liner layer 9 coated with an adhesive on the outer peripheral surface is attached to the tire building drum 23, and then the surface 23a of the tire building drum 23 is heated by the heating means 25.
- the adhesive may be heated.
- Test films 115 were prepared by applying adhesives A-E each having a blending ratio and a glass transition point shown in Table 1 to the outer surface of a film of one layer of an inner liner made of a thermoplastic elastomer. The handleability of the film was evaluated on a scale of ⁇ , ⁇ , ⁇ , and X.
- ⁇ means that even if the portions of the outer surface of the test film to which the adhesive was applied were pressed against each other, it would hardly arrive.
- ⁇ means that the test film's adhesive-applied outer surfaces are easily peeled off when pressed against each other.
- the symbol “ ⁇ ” means that the test film is peeled off when the adhesive is applied to the parts of the outer surface where the adhesive has been applied, but peels off when it is quickly peeled off.
- X means that the test film was stretched without peeling when the adhesive was applied to the parts of the outer surface of the test film where the adhesive was applied.
- ⁇ , ⁇ , ⁇ are acceptable ranges. Table 2 shows the results. Using the adhesives A to E, test green tires 115 having the configuration shown in FIG. 1 were formed by the method of the present invention described above. The surface temperature of the tire building drum is about 50 ° C. Each test green tire was examined for peel resistance of the inner liner layer by the following method, and the results shown in Table 3 were obtained.
- ⁇ indicates no peeling
- ⁇ indicates a slight peel that does not cause any problem at the joint of the unvulcanized carcass layer
- ⁇ ⁇ indicates a region other than the joint of the unvulcanized carcass layer.
- X means that peeling occurs over the entire circumference and repair is impossible.
- ⁇ and ⁇ are acceptable ranges.
- SBS is an abbreviation for styrene-butadiene-styrene block copolymer.
- ESBS stands for epoxidized styrene-butadiene-styrene block copolymer.
- Table 13 shows that it is better to set the glass transition point of the adhesive to 130 ° C.
- the present invention having the above-described excellent effects can be very effectively used for manufacturing a pneumatic tire to be mounted on a vehicle.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tyre Moulding (AREA)
- Tires In General (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200480020058.7A CN1822947B (zh) | 2003-07-16 | 2004-07-15 | 充气轮胎的制造方法以及使用于它的轮胎成形滚筒装置 |
| EP04747564.5A EP1645404B1 (en) | 2003-07-16 | 2004-07-15 | Pneumatic tire producing method and tire forming drum |
| US10/560,838 US7704343B2 (en) | 2003-07-16 | 2004-07-15 | Method of manufacturing pneumatic tire and tire building machine used therefor |
| JP2005511839A JP3799363B2 (ja) | 2003-07-16 | 2004-07-15 | 空気入りタイヤの製造方法及びそれに使用されるタイヤ成形ドラム装置 |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003-275293 | 2003-07-16 | ||
| JP2003-275296 | 2003-07-16 | ||
| JP2003275293 | 2003-07-16 | ||
| JP2003275296 | 2003-07-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005007392A1 true WO2005007392A1 (ja) | 2005-01-27 |
Family
ID=34082354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2004/010098 Ceased WO2005007392A1 (ja) | 2003-07-16 | 2004-07-15 | 空気入りタイヤの製造方法及びそれに使用されるタイヤ成形ドラム装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7704343B2 (ja) |
| EP (1) | EP1645404B1 (ja) |
| JP (1) | JP3799363B2 (ja) |
| CN (1) | CN1822947B (ja) |
| WO (1) | WO2005007392A1 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008168553A (ja) * | 2007-01-12 | 2008-07-24 | Yokohama Rubber Co Ltd:The | 空気入りタイヤの製造方法 |
| WO2010082544A1 (ja) * | 2009-01-13 | 2010-07-22 | 横浜ゴム株式会社 | 未加硫タイヤの製造方法 |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2517822C (en) * | 2004-09-06 | 2009-10-27 | Honda Motor Co., Ltd. | Seat mount structure for saddle ride vehicle |
| JP4747950B2 (ja) * | 2006-05-26 | 2011-08-17 | 横浜ゴム株式会社 | 空気入りタイヤの製造方法 |
| WO2008129363A1 (en) | 2007-04-23 | 2008-10-30 | Pirelli Tyre S.P.A. | Process and apparatus for manufacturing pneumatic tyres |
| JP4297290B2 (ja) * | 2007-12-21 | 2009-07-15 | 横浜ゴム株式会社 | 空気入りタイヤの製造方法 |
| JP4410820B2 (ja) * | 2007-12-27 | 2010-02-03 | 住友ゴム工業株式会社 | 空気入りタイヤの製造方法及び生タイヤ成形装置 |
| FR2927567A1 (fr) * | 2008-08-01 | 2009-08-21 | Michelin Soc Tech | Procede de fabrication d'une couche de revetement interne d'etancheite a l'air pour pneumatique. |
| US8776851B2 (en) | 2008-08-29 | 2014-07-15 | The Goodyear Tire & Rubber Company | Film to keep tire surface clean and simultaneously prime for better adhesion of balance pad |
| JP2010137820A (ja) * | 2008-12-15 | 2010-06-24 | Yokohama Rubber Co Ltd:The | 空気入りタイヤ及びその製造方法 |
| US8454778B2 (en) | 2010-11-15 | 2013-06-04 | Ramendra Nath Majumdar | Pneumatic tire with barrier layer and method of making the same |
| JP5068875B1 (ja) * | 2011-05-13 | 2012-11-07 | 住友ゴム工業株式会社 | 空気入りタイヤの製造方法 |
| JP5299539B1 (ja) * | 2012-04-09 | 2013-09-25 | 横浜ゴム株式会社 | 空気入りタイヤ |
| WO2014164054A1 (en) | 2013-03-13 | 2014-10-09 | Basf Se | Inner liner for a pneumatic tire assembly |
| JP7355636B2 (ja) * | 2019-12-13 | 2023-10-03 | Toyo Tire株式会社 | グリーンタイヤの成型装置 |
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| 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 (en) * | 1995-05-02 | 1996-11-07 | The Yokohama Rubber Co., Ltd. | Method for producing pneumatic tires |
| JP2002028987A (ja) * | 2000-07-18 | 2002-01-29 | Yokohama Rubber Co Ltd:The | ホットエアまたはホットガスによるインフレーション成形方法 |
| JP2004106398A (ja) * | 2002-09-19 | 2004-04-08 | Sumitomo Rubber Ind Ltd | タイヤ製造方法 |
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| US2983954A (en) * | 1955-02-08 | 1961-05-16 | Goodyear Tire & Rubber | Method and apparatus for making diaphragms |
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| JPS57208233A (en) * | 1981-06-18 | 1982-12-21 | Mitsubishi Heavy Ind Ltd | Method and apparatus for manufacturing radial tire |
| JPH06234172A (ja) * | 1993-02-10 | 1994-08-23 | Bridgestone Corp | グリーンタイヤの形成方法及び空気入りタイヤの製造方法 |
| JPH1025375A (ja) | 1996-07-12 | 1998-01-27 | Yokohama Rubber Co Ltd:The | 熱可塑性エラストマー組成物及びこれを使用した空気入りタイヤ、ホース |
| DE19630452C1 (de) * | 1996-07-27 | 1997-07-03 | Continental Ag | Verfahren zur Herstellung einer Karkasse eines Reifens und Vorrichtung zur Verwendung in dem Verfahren |
| JP3236257B2 (ja) | 1998-01-13 | 2001-12-10 | 横浜ゴム株式会社 | 熱可塑性エラストマー組成物およびそれを使用した空気入りタイヤ |
| JPH11320567A (ja) * | 1998-05-11 | 1999-11-24 | Bridgestone Corp | タイヤ加硫装置および加硫方法 |
| US6332999B1 (en) * | 1998-07-31 | 2001-12-25 | Pirelli Pneumatici S.P.A. | Method and apparatus for moulding and curing tires for vehicle wheels |
| US6409959B1 (en) * | 1998-07-31 | 2002-06-25 | Pirelli Pneumatici S.P.A. | Process for manufacturing, moulding and curing tires for vehicle wheels |
| EP1371478B1 (fr) * | 1999-08-10 | 2010-04-14 | Manufacture Française des Pneumatiques Michelin | Noyau rigide en deux parties, pour la fabrication de pneumatiques |
| US6863106B2 (en) * | 2001-09-21 | 2005-03-08 | The Goodyear Tire & Rubber Company | Expandable tire building drum with alternating fixed and expandable segments, and contours for sidewall inserts |
| US8114335B2 (en) * | 2002-12-30 | 2012-02-14 | The Goodyear Tire & Rubber Company | Partial depth-wise cure of a tire inner liner |
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2004
- 2004-07-15 EP EP04747564.5A patent/EP1645404B1/en not_active Expired - Lifetime
- 2004-07-15 JP JP2005511839A patent/JP3799363B2/ja not_active Expired - Fee Related
- 2004-07-15 CN CN200480020058.7A patent/CN1822947B/zh not_active Expired - Fee Related
- 2004-07-15 WO PCT/JP2004/010098 patent/WO2005007392A1/ja not_active Ceased
- 2004-07-15 US US10/560,838 patent/US7704343B2/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 (en) * | 1995-05-02 | 1996-11-07 | The Yokohama Rubber Co., Ltd. | Method for producing pneumatic tires |
| JP2002028987A (ja) * | 2000-07-18 | 2002-01-29 | Yokohama Rubber Co Ltd:The | ホットエアまたはホットガスによるインフレーション成形方法 |
| JP2004106398A (ja) * | 2002-09-19 | 2004-04-08 | Sumitomo Rubber Ind Ltd | タイヤ製造方法 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008168553A (ja) * | 2007-01-12 | 2008-07-24 | Yokohama Rubber Co Ltd:The | 空気入りタイヤの製造方法 |
| WO2010082544A1 (ja) * | 2009-01-13 | 2010-07-22 | 横浜ゴム株式会社 | 未加硫タイヤの製造方法 |
| JP2010162703A (ja) * | 2009-01-13 | 2010-07-29 | Yokohama Rubber Co Ltd:The | 未加硫タイヤの製造方法 |
| US8313599B2 (en) | 2009-01-13 | 2012-11-20 | The Yokohama Rubber Co., Ltd. | Method of manufacturing unvulcanized tire |
Also Published As
| Publication number | Publication date |
|---|---|
| US20070095458A1 (en) | 2007-05-03 |
| EP1645404A4 (en) | 2007-10-03 |
| CN1822947A (zh) | 2006-08-23 |
| JP3799363B2 (ja) | 2006-07-19 |
| EP1645404A1 (en) | 2006-04-12 |
| EP1645404B1 (en) | 2013-08-21 |
| US7704343B2 (en) | 2010-04-27 |
| CN1822947B (zh) | 2010-12-22 |
| JPWO2005007392A1 (ja) | 2006-08-31 |
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