[go: up one dir, main page]

WO2014002719A1 - Pneumatique et son procédé de fabrication - Google Patents

Pneumatique et son procédé de fabrication Download PDF

Info

Publication number
WO2014002719A1
WO2014002719A1 PCT/JP2013/065609 JP2013065609W WO2014002719A1 WO 2014002719 A1 WO2014002719 A1 WO 2014002719A1 JP 2013065609 W JP2013065609 W JP 2013065609W WO 2014002719 A1 WO2014002719 A1 WO 2014002719A1
Authority
WO
WIPO (PCT)
Prior art keywords
rubber
white
tire
black
black rubber
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
Application number
PCT/JP2013/065609
Other languages
English (en)
Japanese (ja)
Inventor
敬道 佐川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Rubber Industries Ltd
Original Assignee
Sumitomo Rubber Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sumitomo Rubber Industries Ltd filed Critical Sumitomo Rubber Industries Ltd
Publication of WO2014002719A1 publication Critical patent/WO2014002719A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

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)
    • B29D30/52—Unvulcanised treads, e.g. on used tyres; Retreading
    • B29D30/58—Applying bands of rubber treads, i.e. applying camel backs
    • B29D30/60—Applying bands of rubber treads, i.e. applying camel backs by winding narrow strips
    • 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
    • B29D30/3028—Applying the layers; Guiding or stretching the layers during application by feeding a continuous band and winding it helically, i.e. the band is fed while being advanced along the drum axis, to form an annular element
    • 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)
    • B29D30/72—Side-walls
    • 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
    • B60C13/001—Decorating, marking or the like
    • 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)
    • B29D30/72—Side-walls
    • B29D2030/726—Decorating or marking the sidewalls before tyre vulcanization
    • 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
    • B60C2013/045—Tyre sidewalls; Protecting, decorating, marking, or the like, thereof having annular inlays or covers, e.g. white sidewalls comprising different sidewall rubber layers

Definitions

  • the present invention relates to a pneumatic tire in which a convex pattern including black rubber and white rubber is formed. More specifically, the present invention relates to the durability of the convex pattern by suppressing cracks and breakage at the interface between the black rubber and the white rubber. The present invention relates to a pneumatic tire with improved performance and a method for manufacturing the same.
  • a pneumatic tire in which a convex pattern in which a symbol or a figure indicating a mark or a tire size is raised is formed on a sidewall portion.
  • a white rubber portion that forms a raised surface of the convex pattern is disposed outside the black rubber portion that forms the sidewall portion.
  • the white rubber part enhances the contrast of the convex pattern and improves the appearance of the sidewall part.
  • the black rubber portion and the white rubber portion are formed, for example, by spirally winding an extruded product or a ribbon-shaped rubber strip.
  • an extruded product or a ribbon-shaped rubber strip is used, many steps are generated at the interface between the black rubber and the white rubber. Air easily accumulates at such a step, and it is difficult to discharge air. For this reason, after the vulcanization molding of the tire, there is a problem that cracks and breaks occur at the interface starting from the step and the durability performance of the convex pattern deteriorates.
  • the present invention has been devised in view of the actual situation as described above, a pneumatic tire capable of suppressing damage at the interface between the black rubber portion and the white rubber portion and improving the durability performance of the convex pattern, and its The main purpose is to provide a manufacturing method.
  • a first aspect of the present invention is a pneumatic tire in which a convex pattern in which a pattern made of a symbol or a figure is raised is formed on a sidewall portion, and the convex pattern is exposed on the outer surface and is white.
  • a white rubber portion made of rubber and a black rubber portion made of black rubber and disposed on the inner side in the tire axial direction of the white rubber portion, the black rubber portion spiraling a tape-like black rubber strip in the tire circumferential direction
  • the black rubber part is wound at the spiral pitch of 0.50 to 0.80 times the width of the black rubber strip on the outermost side in the tire axial direction.
  • the white rubber portion is formed by winding a tape-like white rubber strip around the outer surface layer of the black rubber portion in a spiral direction in the tire circumferential direction.
  • the innermost layer is provided on the innermost side in the tire axial direction with an inner surface layer in which the white rubber strip is wound at a spiral pitch of 0.50 to 0.80 times the width of the white rubber strip facing the outer surface layer. It is characterized by being.
  • the black rubber portion includes a black rubber main body layer having a thickness larger than that of the outer surface layer on an inner side in the tire axial direction of the outer surface layer, and the black rubber strip includes the black rubber strip.
  • the black rubber strip is formed by being wound at a helical pitch of less than 0.50 times the width of the black rubber strip, and the black rubber main body layer is covered with the outer surface layer.
  • the black rubber main body layer has a thickness that gradually decreases on both sides in the tire radial direction and a constricted portion with a small thickness at the center in the tire radial direction.
  • the white rubber portion includes a white rubber main body layer having a thickness larger than that of the inner surface layer on the outer side in the tire axial direction of the inner surface layer, and the white rubber main layer includes the white rubber strip.
  • the white rubber strip is formed by being wound at a spiral pitch less than 0.50 times the width of the white rubber strip, and the inner side in the tire axial direction of the white rubber main body layer is covered with the inner surface layer.
  • the white rubber main body layer has a thick central portion in the tire radial direction and gradually decreases in thickness toward both sides in the tire radial direction.
  • the black rubber strip and the white rubber strip have a substantially parallelogram cross section.
  • a convex pattern in which a pattern made of a symbol or a figure is raised is formed on the sidewall portion, and the convex pattern is exposed to the outer surface and made of a white rubber portion made of white rubber.
  • a method of manufacturing a pneumatic tire including a black rubber portion made of black rubber and disposed on the inner side in the tire axial direction of the white rubber portion, from the tread portion to the bead portion through the side wall portions on both sides.
  • the black rubber part forming step includes an outer surface layer in which the black rubber strip is wound at a spiral pitch 0.50 to 0.80 times the width of the black rubber strip on the outermost side in the tire axial direction of the black rubber part.
  • the white rubber portion forming step includes the step of forming a white rubber portion, wherein the white rubber strip is wound on the outer surface layer at a helical pitch of 0.50 to 0.80 times the width of the white rubber strip. And a step of forming an inner surface layer.
  • the pneumatic tire of the present invention has a convex pattern comprising a white rubber portion exposed on the outer surface and made of white rubber, and a black rubber portion made of black rubber and arranged on the inner side in the tire axial direction of the white rubber portion. It has.
  • the black rubber portion is formed by winding a tape-like black rubber strip spirally in the tire circumferential direction.
  • An outer surface layer in which the black rubber strip is wound at a spiral pitch 0.50 to 0.80 times the width of the black rubber strip is provided on the outermost side in the tire axial direction of the black rubber portion.
  • the white rubber part is formed by winding a tape-like white rubber strip spirally around the tire on the outer side of the outer surface layer of the black rubber part.
  • An inner surface layer in which the white rubber strip is wound at a spiral pitch 0.50 to 0.80 times the width of the white rubber strip faces the outer surface layer at the innermost side in the tire axial direction of the white rubber portion.
  • the outer surface layer of the black rubber portion and the inner surface layer of the white rubber portion having the above-described spiral pitch both have less surface irregularities, and consequently less interface steps. Accordingly, in the pneumatic tire of the present invention, air remaining between the outer surface layer and the inner surface layer to be joined to each other is reduced, so that cracks and fractures at the interface between the black rubber portion and the white rubber portion after the tire molding. Is suppressed, and durability performance is improved.
  • the pneumatic tire 1 of the present embodiment includes a toroidal carcass 6 extending from a tread portion 2 through side wall portions 3 on both sides to a bead core 5 of a bead portion 4, and the carcass. 6 and a belt layer 7 disposed on the outer side in the tire radial direction and inside the tread portion 2.
  • the tire of this embodiment is for a passenger car.
  • the carcass 6 is composed of, for example, one carcass ply 6A.
  • the carcass ply 6A includes a main body portion 6a that extends from the tread portion 2 through the sidewall portion 3 to the bead core 5 of the bead portion 4, and a turn-up portion that is connected to the main body portion 6a and is turned around from the bead core 5 to the outer side in the tire axial direction. 6b.
  • an organic fiber cord is employed as the carcass cord of the carcass ply 6A.
  • the belt layer 7 includes, for example, at least one belt ply in which the belt cord is inclined with respect to the tire equator C at a small angle of, for example, 5 to 40 degrees.
  • the belt layer 7 of the present embodiment is composed of two belt plies 7A and 7B inside and outside the tire in the radial direction of the tire.
  • the belt plies 7A and 7B are overlapped in a direction in which the belt cords cross each other.
  • the belt cord for example, a steel cord, aramid, rayon, or the like is suitably employed.
  • a convex pattern 9 made of a symbol or a figure is formed on the sidewall portion 3.
  • the ridge pattern 9 protrudes from the virtual contour surface 3 v of the sidewall portion 3.
  • the symbol is a concept including characters.
  • the convex pattern 9 of the present embodiment represents, for example, the letter “L” of the alphabet.
  • the virtual contour surface 3v has a buttress surface 10 extending inward in the tire radial direction from the tread end 2a and an outer surface 4a of the bead portion 4 on the outer surface of the carcass 6. It is a virtual contour line that smoothly joins substantially along.
  • the buttress surface 10 and the outer surface 4a of the bead portion are determined by excluding, for example, a protector for reinforcing each portion.
  • the convex pattern 9 of the present embodiment has a certain height.
  • the raised height h of the convex pattern 9 from the virtual contour surface 3v is preferably 3 to 10 mm in order to ensure a good balance between the visibility of the convex pattern 9 and the durability.
  • the convex pattern 9 of the present embodiment is formed on the outer side in the tire radial direction from the tire maximum width position m.
  • the ridge pattern 9 may be formed on the tire maximum width position m or on the inner side in the tire radial direction than the tire maximum width position m.
  • the tire maximum width position m is a position in the tire radial direction in which the main body portion 6a of the carcass ply 6A projects most outward in the tire axial direction in the normal state of the tire 1.
  • the normal state is a no-load state in which a tire is rim-assembled on a normal rim and filled with a normal internal pressure.
  • the dimension of each part of a pneumatic tire is a value in a normal state.
  • the “regular rim” is a rim determined for each tire in a standard system including a standard on which a tire is based. For example, “Standard rim” for JATMA, “Design Rim” for TRA, For ETRTO, it is “Measuring” Rim.
  • the “regular internal pressure” is the air pressure determined by each standard for each tire in the standard system including the standard on which the tire is based, and is “maximum air pressure” for JATMA, and “TIRE LOAD” for TRA.
  • the normal internal pressure is 180 kPa.
  • the convex pattern 9 of the present embodiment includes a white rubber portion 11 that is exposed on the outer surface 3A of the sidewall portion 3 and made of white rubber, and a black rubber that is arranged on the inner side in the tire axial direction of the white rubber portion 11 and made of black rubber. And a black cover rubber 13 disposed on the side surfaces of the white rubber portion 11 and the black rubber portion 12. Inside the black rubber portion 12 in the tire axial direction, a sidewall rubber 3G constituting the main portion of the sidewall portion 3 is disposed.
  • FIG. 3 shows a cross-sectional view of the convex portion 9 ′ before the tire vulcanization molding of the convex pattern 9.
  • the black rubber portion 12 of the present embodiment is formed by winding a tape-like black rubber strip 14 spirally in the tire circumferential direction (black rubber portion forming step).
  • the black rubber portion 12 of the present embodiment includes an outer surface layer 16 provided on the outermost side in the tire axial direction, and a black rubber main body layer 17 provided on the inner side in the tire axial direction of the outer surface layer 16.
  • the outer surface layer 16 and the black rubber main body layer 17 are preferably formed by continuously winding a single black rubber strip 14.
  • the outer surface layer 16 of the present embodiment has a black rubber strip 14 of 0.50 to 0. 0 of the width w1 of the black rubber strip 14 (shown in FIG. 5 (a)). It is formed by winding at a spiral pitch P1 of 80 times. That is, when the helical pitch P1 is less than 0.50 times the width w1 of the black rubber strip, the unevenness on the surface of the outer surface layer 16 becomes large. On the other hand, when the helical pitch P1 exceeds 0.80 times the width w1 of the black rubber strip, the adhesion area between the adjacent black rubber strips 14 and 14 is small, and the strength inside the outer surface layer 16 is reduced. For this reason, the helical pitch P1 is preferably 0.60 to 0.70 times the width w1 of the black rubber strip 14.
  • the outer surface layer 16 of the present embodiment is formed by bringing the side surfaces of adjacent black rubber strips 14 into close contact with each other.
  • the white rubber portion 11 is formed by winding a tape-like white rubber strip 15 in the tire circumferential direction and spirally (white rubber portion forming step).
  • the white rubber portion 11 of the present embodiment includes an inner surface layer 18 provided on the innermost side in the tire axial direction and facing the outer surface layer 16, and a white rubber main body layer 19 provided on the outer side in the tire axial direction of the inner surface layer 18. It is out.
  • the inner surface layer 18 and the white rubber main body layer 19 are preferably formed by continuously winding a single white rubber strip 15.
  • the inner surface layer 18 is formed by winding the white rubber strip 15 at a spiral pitch P2 that is 0.50 to 0.80 times the width w2 (shown in FIG. 5B) of the white rubber strip. That is, when the helical pitch P2 is less than 0.50 times the width w2 of the white rubber strip, the unevenness of the surface of the inner surface layer 18 becomes large. On the other hand, when the helical pitch P2 exceeds 0.80 times the width w2 of the white rubber strip, the adhesion area between the adjacent white rubber strips 15 and 15 is small, and the internal strength of the inner surface layer 18 is reduced. For this reason, the helical pitch P2 is preferably 0.60 to 0.70 times the width w2 of the white rubber strip 15.
  • the inner surface layer 18 of the present embodiment is formed by bringing the side surfaces of adjacent white rubber strips 15 into close contact with each other.
  • the rubber strips 14 and 15 of the outer surface layer 16 and the inner surface layer 18 have the above-described spiral pitches P1 and P2, unevenness on the surfaces of the outer surface layer 16 of the black rubber portion 12 and the inner surface layer 18 of the white rubber portion 11 is small. As a result, the level difference at the joint interface between the two is reduced. Therefore, since the air remaining at the interface between the outer surface layer 16 and the inner surface layer 18 is reduced in the pneumatic tire 1 of the present embodiment, cracks and breaks at the interface are suppressed after tire vulcanization molding. Therefore, the protruding pattern 9 has high durability performance.
  • the black rubber body layer 17 of the present embodiment has the black rubber strip 14 wound with a helical pitch P3 that is less than 0.50 times the width w1 of the black rubber strip. Is formed. Thereby, the black rubber main body layer 17 can provide the convex pattern 9 having a larger thickness and a larger height than the outer surface layer 16. If the spiral pitch P3 is small, the productivity may be deteriorated. Therefore, the spiral pitch P3 is desirably 0.2 times or more the width w1 of the black rubber strip.
  • the black rubber main body layer 17 gradually decreases in thickness on both sides in the tire radial direction and has a constricted portion 20 with a small thickness at the center in the tire radial direction. Make a shape. By inserting the white rubber part 11 into the constricted part in this way, the rubber parts 11 and 12 are firmly joined. Thereby, the durability performance of the convex pattern 9 further improves.
  • the white rubber main body layer 19 is formed by winding the white rubber strip 15 with a helical pitch P4 less than 0.50 times the width w2 of the white rubber strip. It is desirable. Thereby, the white rubber main body layer 19 can provide the convex pattern 9 having a larger thickness than the inner surface layer 18 and a large height.
  • the spiral pitch P4 is desirably 0.2 times or more the width w2 of the white rubber strip.
  • the thickness of the central portion 21 in the tire radial direction of the white rubber main body layer 19 of the present embodiment is large, and the thickness gradually decreases toward both sides in the tire radial direction.
  • the central portion 21 of the white rubber main body layer 19 is provided corresponding to the constricted portion 20 of the black rubber main body layer 17. Thereby, a large contact area between the inner surface layer 18 and the outer surface layer 16 is obtained, and the black rubber portion 12 and the white rubber portion 11 are bonded more firmly.
  • the interface between the inner surface layer 18 and the outer surface layer 16 sandwiched between the black rubber main body layer 17 and the white rubber main body layer 19 extends in a smooth wave shape. Thereby, the adhesion area of an interface becomes large and both can be joined without a gap. Therefore, the durability performance of the convex pattern 9 is further improved.
  • the black rubber strip 14 and the white rubber strip 15 of the present embodiment are formed in a substantially parallelogram shape in which both end portions are tapered. This increases the surface area of each strip 14, 15 and increases the adhesion between adjacent strips. Moreover, the unevenness
  • the cross sections of the strips 14 and 15 are not limited to a substantially parallelogram shape, and may be rectangular, rhombus or trapezoidal.
  • Widths w1 and w2 and thicknesses t1 and t2 of the black rubber strip 14 and the white rubber strip 15 can be variously set according to custom.
  • the widths w1 and w2 are in the range of 5 to 50 mm.
  • the thicknesses t1 and t2 are in the range of 0.30 to 1.50 mm.
  • the widths w1 and w2 of the black rubber strip 14 and the white rubber strip 15 are defined by the maximum lengths of the rubber strips 14 and 15 in the width direction.
  • the cover rubber 13 is formed by winding a tape-shaped rubber strip 13 a spirally in the tire circumferential direction around the white rubber portion 11 (cover rubber forming step). Is formed.
  • the cover rubber 13 protects the white rubber portion 11 from heat and the like during vulcanization molding.
  • the cover rubber 13 further serves to prevent rubber discoloration due to ozone or the like. A part of the cover rubber 13 is removed by polishing after the tire vulcanization molding.
  • FIG. 6 shows a cross-sectional view of the convex pattern 9 during vulcanization.
  • the vulcanization mold M is formed with a concave portion Ma that forms a reverse pattern of the convex pattern 9 at a position corresponding to the convex portion 9 ′.
  • the white rubber part 11, the black rubber part 12, and the cover rubber 13 are integrated by heat and pressure during vulcanization. At this time, the unevenness of the surface of the inner surface layer 18 and the outer surface layer 16 is small, and as a result, the step difference at the interface is also reduced.
  • the air remaining at the interface between the outer surface layer 16 and the inner surface layer 18 joined to each other is reduced. For this reason, the crack and fracture
  • the cover rubber 13 is removed by polishing the raised surface 9t of the convex pattern 9 on the outermost side in the tire axial direction to the polishing line CL by buffing or the like. Is done. Thereby, the white rubber part 11 appears and the pneumatic tire 1 shown by FIG. 1 is manufactured.
  • a pneumatic tire of size 265 / 70R16 having the basic structure of FIGS. 1 and 3 was prototyped based on the specifications in Table 1. Then, the durability performance of each sample tire was tested. In each sample tire, the internal structure and the interface between the inner surface layer of the white rubber portion and the outer surface layer of the black rubber portion have the same shape.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)
  • Tyre Moulding (AREA)
PCT/JP2013/065609 2012-06-25 2013-06-05 Pneumatique et son procédé de fabrication Ceased WO2014002719A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012142290A JP5715597B2 (ja) 2012-06-25 2012-06-25 空気入りタイヤ及び空気入りタイヤの製造方法
JP2012-142290 2012-06-25

Publications (1)

Publication Number Publication Date
WO2014002719A1 true WO2014002719A1 (fr) 2014-01-03

Family

ID=49782885

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2013/065609 Ceased WO2014002719A1 (fr) 2012-06-25 2013-06-05 Pneumatique et son procédé de fabrication

Country Status (2)

Country Link
JP (1) JP5715597B2 (fr)
WO (1) WO2014002719A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018180683A1 (fr) * 2017-03-30 2018-10-04 株式会社ブリヂストン Pneumatique
CN114905896A (zh) * 2022-04-29 2022-08-16 山东玲珑轮胎股份有限公司 一种凸白字轮胎

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6523763B2 (ja) * 2015-04-17 2019-06-05 住友ゴム工業株式会社 空気入りタイヤの製造方法
JP7461828B2 (ja) * 2020-08-07 2024-04-04 Ｔｏｙｏ Ｔｉｒｅ株式会社 タイヤ成形方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004189156A (ja) * 2002-12-12 2004-07-08 Yokohama Rubber Co Ltd:The 空気入りタイヤ、および空気入りタイヤの製造方法
JP2006159570A (ja) * 2004-12-06 2006-06-22 Toyo Tire & Rubber Co Ltd サイドウォール部材の成形方法および空気入りタイヤ
JP2007069689A (ja) * 2005-09-06 2007-03-22 Toyo Tire & Rubber Co Ltd 空気入りタイヤ
WO2008029779A1 (fr) * 2006-09-04 2008-03-13 The Yokohama Rubber Co., Ltd. Procédé de formation d'un revêtement intérieur pour pneumatique et procédé de production d'un pneumatique
JP2011031582A (ja) * 2009-08-05 2011-02-17 Sumitomo Rubber Ind Ltd 空気入りタイヤの製造方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004189156A (ja) * 2002-12-12 2004-07-08 Yokohama Rubber Co Ltd:The 空気入りタイヤ、および空気入りタイヤの製造方法
JP2006159570A (ja) * 2004-12-06 2006-06-22 Toyo Tire & Rubber Co Ltd サイドウォール部材の成形方法および空気入りタイヤ
JP2007069689A (ja) * 2005-09-06 2007-03-22 Toyo Tire & Rubber Co Ltd 空気入りタイヤ
WO2008029779A1 (fr) * 2006-09-04 2008-03-13 The Yokohama Rubber Co., Ltd. Procédé de formation d'un revêtement intérieur pour pneumatique et procédé de production d'un pneumatique
JP2011031582A (ja) * 2009-08-05 2011-02-17 Sumitomo Rubber Ind Ltd 空気入りタイヤの製造方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018180683A1 (fr) * 2017-03-30 2018-10-04 株式会社ブリヂストン Pneumatique
JP2018167772A (ja) * 2017-03-30 2018-11-01 株式会社ブリヂストン タイヤ
CN114905896A (zh) * 2022-04-29 2022-08-16 山东玲珑轮胎股份有限公司 一种凸白字轮胎

Also Published As

Publication number Publication date
JP5715597B2 (ja) 2015-05-07
JP2014004929A (ja) 2014-01-16

Similar Documents

Publication Publication Date Title
JP4523815B2 (ja) 重荷重用空気入りタイヤ及びその製造方法
US10166817B2 (en) Pneumatic tire
JP4546812B2 (ja) 空気入りタイヤ
WO2015155992A1 (fr) Bandage pneumatique
JP5227392B2 (ja) 空気入りタイヤ及び空気入りタイヤの製造方法
WO2020158265A1 (fr) Pneu
JP6006166B2 (ja) 空気入りタイヤ
CN105189148B (zh) 充气轮胎
JP5715597B2 (ja) 空気入りタイヤ及び空気入りタイヤの製造方法
CN104080623B (zh) 充气轮胎
KR102079277B1 (ko) 런플랫 타이어
JP2004009666A (ja) 航空機用空気入りラジアルタイヤ及びその製造方法
JP2011162023A (ja) 空気入りタイヤ
JP6270224B2 (ja) 空気入りタイヤ
JP2010285106A (ja) 空気入りタイヤ及びその製造方法
JP6523763B2 (ja) 空気入りタイヤの製造方法
JP2021102407A (ja) 空気入りタイヤ
JP2017013564A (ja) 空気入りタイヤおよびその製造方法
JP4537517B2 (ja) 空気入りラジアルタイヤの製造方法
JP6052762B2 (ja) ライトトラック用空気入りタイヤ
JP6852092B2 (ja) 自動二輪車用空気入りタイヤ
EP2786881A2 (fr) Pneu de roulage à plat
JP5193278B2 (ja) 空気入りタイヤ
JP4796387B2 (ja) ランフラットタイヤ及びその製造方法
JP6758833B2 (ja) タイヤ

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 13809487

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 13809487

Country of ref document: EP

Kind code of ref document: A1