CN109774385A - Pneumatic tire - Google Patents
Pneumatic tire Download PDFInfo
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- CN109774385A CN109774385A CN201811206400.2A CN201811206400A CN109774385A CN 109774385 A CN109774385 A CN 109774385A CN 201811206400 A CN201811206400 A CN 201811206400A CN 109774385 A CN109774385 A CN 109774385A
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- tire
- aperture
- width direction
- land portion
- pneumatic tire
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Abstract
A kind of pneumatic tire (10), it has in fetus face (16): the multiple tap drains (36) circumferentially extended along tire, and the multiple land portions (38 marked off by tap drain (36), 40, 42), wherein, tap drain (36) has: being set to the shoulder main groove (36B) of Wo on the outside of tire width direction, land portion (38, 40, 42) have: being formed in the tire-shoulder land portion (42) of Wo on the outside of the tire width direction of shoulder main groove (36B), tire-shoulder land portion (42) has: being set to multiple apertures (50) of Wi on the inside of the tire width direction of ground terminal E at spaced intervals along tire circumferential direction, aperture (50) has: relative to depth direction towards the curved bending section Wi (53) on the inside of tire width direction.
Description
Technical field
The present invention relates to pneumatic tires.
Background technique
Pneumatic tire has following tendency: in general, when driving, near the ground terminal in the tire-shoulder land portion of fetus face, connecing
Ground pressure is higher.As a result, the mill near the ground terminal in tire-shoulder land portion occurs sometimes compared with other land portions of fetus face
Damage amount becomes larger such partial wear.As the method for inhibiting this partial wear, as Japanese Unexamined Patent Publication 8-258513 and Japan are special
As disclosed in opening flat No. 5-294112, it is provided near the ground terminal in tire-shoulder land portion sometimes and is in tread surface
Multiple apertures of opening.According to this method, the rigidity near the ground terminal in tire-shoulder land portion can be made to reduce, to be grounded
The homogenization of pressure.
Summary of the invention
The ground pressure in tire-shoulder land portion has the tendency gradually decreased on the outside of tire width direction towards inside sometimes.
But the tire according to disclosed in above-mentioned document, rigid reduction can be made foraminate position is arranged, but in other positions
Rigidity, accordingly, it is difficult to which ground pressure is made to become to homogenize, inhibits connecing in tire-shoulder land portion almost without reduction with being unable to fully
The partial wear that ground terminal nearby occurs.
Therefore, the object of the present invention is to provide a kind of inflations of partial wear for being able to suppress and occurring in tire-shoulder land portion
Tire.
According to the present embodiment, the scheme of following [1]~[9] is provided.
[1] a kind of pneumatic tire has in fetus face: along multiple tap drains of tire circumferentially extending and by the master
Multiple land portions that ditch marks off, wherein the tap drain has: the shoulder main groove being set on the outside of tire width direction, described
Land portion has: being formed in the tire-shoulder land portion on the outside of the tire width direction of the shoulder main groove, the tire-shoulder land portion tool
It is standby: to be set to multiple apertures on the inside of the tire width direction of ground terminal along tire circumferentially spaced interval, the aperture tool
It is standby: relative to depth direction towards curved bending section on the inside of tire width direction.
[2] according to the pneumatic tire recorded in above-mentioned [1], wherein the tire-shoulder land portion has: in the aperture and institute
State the rill circumferentially extended between ground terminal along tire.
[3] according to the pneumatic tire recorded in above-mentioned [2], wherein rill described in the small boring ratio is also deep.
[4] according to the pneumatic tire recorded in above-mentioned [2] or [3], wherein the section of the aperture is rounded, from described
Distance until the opening edge of aperture to the opening edge of the rill are as follows: 1~1.5 times of the diameter of the aperture.
[5] according to the pneumatic tire recorded in any one in above-mentioned [1]~[4], wherein tire described in the small boring ratio
Shoulder tap drain is also deep.
[6] according to the pneumatic tire recorded in any one in above-mentioned [1]~[5], wherein the aperture has: from
The first straight portion that the tread surface is radially extended towards tire, the bending section are configured to: with first straight portion
Inboard it is continuous.
[7] according to the pneumatic tire recorded in above-mentioned [6], wherein the aperture has: the radially extended along tire
Two straight portions, and second straight portion is configured to: it is continuous with the inboard of the bending section.
[8] according to the pneumatic tire recorded in above-mentioned [7], wherein the aperture has expansion section, which is set
At: it is continuous with the inboard of second straight portion,
The expansion section is made of also longer than second straight portion cavity on tire width direction.
[9] according to the pneumatic tire recorded in above-mentioned [8], wherein the expansion section is not directed towards more straight than described second
Portion is closer to tire width direction outer expandable and is directed towards on the inside of tire width direction and extends.
According to the present invention, the multiple apertures for being set to tire-shoulder land portion have: wide towards tire relative to depth direction
Curved bending section on the inside of direction is spent, the aperture is widely distributed along tire width direction, also, levels off to tire
Also the deeper position in tire-shoulder land portion is just configured on the inside of width direction.Therefore, connecing for tire-shoulder land portion can be made
Rigid reduction amount near ground terminal is slowly reduced on the outside of tire width direction towards inside, does not have bending section with being provided with
The situation of aperture compare, ground pressure becomes uniformly effectively inhibit the partial wear occurred in tire-shoulder land portion.
Detailed description of the invention
Fig. 1 is the half section figure of pneumatic tire involved in first embodiment of the invention.
Fig. 2 is the top view of the fetus face of the pneumatic tire of Fig. 1.
Fig. 3 is the perspective view in the tire-shoulder land portion of the pneumatic tire of Fig. 1.
Fig. 4 is the top view of the fetus face of pneumatic tire involved in second embodiment of the present invention.
Fig. 5 is the perspective view in the tire-shoulder land portion of pneumatic tire involved in second embodiment of the present invention.
Symbol description:
10 ... pneumatic tires, 12 ... bead parts, 14 ... sidewalls, 16 ... fetus faces, 18 ... supporting parts, 20 ... carcass
Cloth, 22 ... bead cores, 24 ... liners, 26 ... bandings, 28 ... tread rubbers, 36 ... tap drains, the center 36A ... tap drain, 36B ... tire shoulder master
Ditch, 38 ... central land portions, 40 ... intermediate land portions, 42 ... tire-shoulder land portions, 50 ... apertures, 51 ... opening edges, 52 ... first
Straight portion, 53 ... bending sections, 54 ... second straight portions, 55 ... expansion sections, 60 ... rills, 61 ... opening edges.
Specific embodiment
Based on attached drawing, embodiment is illustrated.In addition, the following embodiments and the accompanying drawings is example, the scope of the present invention is not
It is defined in this.
In the present specification, so-called ground terminal refers to: pneumatic tire being assembled in regular wheel rim, and to be filled in regular
The state of pressure and be vertically disposed on flat road surface, contacted under the regular loaded-up condition for being applied with regular load with road surface
Ground plane tire width direction end.Regular wheel rim are as follows: in the schematism including specification based on tire,
According to the specification, the determined wheel rim for each tire；For example, be then " standard rim " if it is JATMA, if it is
TRA is then " design wheel rim ", is then " measurement wheel rim " if it is ETRTO.Regular internal pressure are as follows: including being advised based on tire
In schematism including lattice, according to each specification, for each tire, determined air pressure is then highest if it is JATMA
Air pressure is then documented maximum value in table " the loading of tire limit under various cold inflation pressures " if it is TRA, if it is
ETRTO is then " the blowing pressure ", and but, in the case where tire is used for passenger car, regular air pressure is 180kPa.In addition, regular
Load are as follows: in the schematism including specification based on tire, according to each specification, be determined for each tire
Load if it is JATMA be then maximum loadability, be then documented maximum value in above-mentioned table, such as if it is TRA
Fruit is ETRTO, then is " load-bearing capacity ", but, in the case where tire is used for passenger car, then to be equivalent to the load
88% load.
In addition, closing above-mentioned each size in this manual, other than specifically mentioned situation, above-mentioned each size are as follows:
Pneumatic tire is assemblied in regular wheel rim and is filled with each size of regular internal pressure uncharged under normal state.
(first embodiment)
Hereinafter, being illustrated referring to attached drawing to first embodiment of the invention.
Fig. 1 is to cut off pneumatic tire 10 involved in embodiment comprising the meridional cross sectional including tire axis
Obtained from right side half section figure.Herein, due to tire bilateral symmetry, so the diagram of left-half is omitted.
The pneumatic tire 10 of Fig. 1 has: the bead part 12 of pair of right and left；The sidewall 14 of pair of right and left, they are from tyre bead
Portion 12 extends towards radial direction outside；Fetus face 16 constitutes tread surface；And the supporting part 18 of pair of right and left, they
It is configured at the tire radial direction inner side of fetus face 16.Herein, supporting part 18 are as follows: the frontier district between fetus face 16 and sidewall 14
Domain is configured to: will be linked up between fetus face 16 and sidewall 14.
Pneumatic tire 10 has: the carcass ply 20 being annularly set up between a pair of bead part 12.In a pair
Bead part 12 is embedded with respectively: cricoid bead core 22.
Carcass ply 20 is from fetus face 16 via supporting part 18 and sidewall 14 and in bead part 12 by bead core 22
Locking, carcass ply 20 reinforce each part mentioned above 12,14,16,18.In this embodiment, the both ends of carcass ply 20 are
It turns back around bead core 22 from tire width direction Inside To Outside, to be locked.Match in the inside of carcass ply 20
It is equipped with: for keeping the liner 24 of air pressure.
Carcass ply 20 is by making organic fiber cord with defined angle (such as 70 °~90 °) relative to tire circumferential direction
And obliquely arrange and be coated obtained at least one cord using upper rubber and constitute, it is by 1 curtain in this embodiment
What cloth was constituted.As constitute carcass ply 20 cord, for example, it is preferable to using polyester fiber, rayon fiber, aramid fiber,
The organic fiber cords such as nylon fiber.
Sidewall rubber 32 is provided in sidewall 14, and in the outside of carcass ply 20 (i.e., outer surface of tire side).In addition,
Be configured in bead part 12, and in the peripheral side of bead core 22: towards it is extending on the outside of tire radius direction in tapered and by
The bead filler rubber 34 that hard rubber material is constituted.
The peripheral side of carcass ply 20 in fetus face 16, is equipped with banding 26.That is, in fetus face 16,26 quilt of banding
It is set between carcass ply 20 and tread rubber 28.Banding 26 be by make belt cord with defined angle (such as 10 °~
35 °) constituted relative to the multi-disc cross belt cord that tire is circumferential and obliquely arranges.As belt cord, use
All-steel cord or organic fiber cord with high tensions.
On the surface of fetus face 16, it is provided with 4 tap drains 36 circumferentially extended along tire.Specifically, 36 structure of tap drain
As including: a pair of center tap drain 36A, they clip equatorial plane CL and are configured at two sides；And a pair of tire shoulder master
Ditch 36B, they are set to Wo on the outside of the tire width direction of a pair of center tap drain 36A.Wo on the outside of so-called tire width direction
Refer to: leaving the side of equatorial plane CL on tire width direction W.
Using 4 above-mentioned tap drains 36, it is formed in fetus face 16, and between 2 center tap drain 36A: central land
Portion 38 is formed between center tap drain 36A and shoulder main groove 36B: intermediate land portion 40, in the tire of 2 shoulder main groove 36B
Wo is formed on the outside of width direction: tire-shoulder land portion 42.The tire width direction outboard end of the tread surface in tire-shoulder land portion 42
Tyre surface ground terminal E is constituted, and is connected with: extending and constitute the supporting part 18 on tire side top towards tire radial direction inner side.
Also, multiple apertures 50 in tread surface 42a in opening are provided in tire-shoulder land portion 42.
Multiple apertures 50 are as follows: the recess portion for the section circle being recessed towards tire radial direction inner side Ri, and have: relative to depth
Direction (tire radial direction inner side Ri) is towards the curved bending section 53 Wi on the inside of tire width direction.Specifically, aperture 50 has:
Since the first cylindric straight portion 52, prolong being formed in the opening edge 51 of tread surface 42a with tire radial direction R in parallel
It stretches；Bending section 53 is configured to continuous with the inboard of the first straight portion 52；Second straight portion 54, is configured to and is bent
The inboard in portion 53 is continuous；And expansion section 55, it is configured to continuous with the inboard of the second straight portion 54.
Bending section 53 is arranged to: for the first straight portion 52 extended along tire radial direction R, towards tyre width
Wi bending on the inside of direction.The the second inboard straight portion 54 for being set to bending section 53 as a result, is configured in: the first straight portion 52 of ratio
It is closer to the position of Wi on the inside of tire width direction.
Second straight portion 54 is in: the cylindrical shape extended parallel to since the inboard of bending section 53 with tire radial direction R.?
The bottom of second straight portion 54 is provided with the cavity also wider than the width of the first straight portion 52 and the second straight portion 54 by width
The expansion section 55 that (the longer cavity on tire width direction) is constituted.Expansion section 55 is constituted are as follows: chamber portion is not directed towards ratio
Second straight portion 54 is closer to Wo on the outside of tire width direction and extends and be directed towards Wi on the inside of tire width direction and extend.Expansion section
55 tire radial direction inner side Ri constitutes the bottom of aperture 50.Such a multiple apertures 50 are circumferential along tire and interval
Ground is arranged at Wi on the inside of the tire width direction of ground terminal E.
Herein, referring to Fig. 2 and Fig. 3, an example of the size of aperture 50 has been enumerated, the trench depth f of shoulder main groove 36B is directed to
For 10~15mm, tyre surface ground width (interval of the ground terminal E of left and right) L is 200~245mm, then can be by the hole of aperture 50
Depth a is set as 10.5~18mm, the diameter c of aperture 50 is set as 1.5~3.0mm, by aperture 50 in tire circumferential direction
Interval e is set as 1.5~9mm, by until be formed in the opening edge 51 to ground terminal E of aperture 50 of tread surface 42a away from
It is set as 2~4.5mm from g.
In the present embodiment, the multiple of the tire width direction inside Wi of the ground terminal E in tire-shoulder land portion 42 are set to
Aperture 50 has: relative to depth direction towards the curved bending section 53 Wi on the inside of tire width direction.It therefore, can will be small
Hole 50 is configured at the wider range on tire width direction W, rather than increases the bore of aperture 50, also, level off to
Wi is also more configured in the deeper position in tire-shoulder land portion on the inside of tire width direction.Thereby, it is possible to make tire-shoulder land portion
Rigid reduction amount near the 42 ground terminal E Wo on the outside of tire width direction is slowly reduced towards inside Wi, therefore, tire shoulder
Ground pressure near the ground terminal E in land portion 42 becomes uniformly, to effectively inhibit in the inclined of the generation of tire-shoulder land portion 42
Abrasion.
In addition, in the present embodiment, the aperture 50 for being set to tire-shoulder land portion 42 has bending section 53, therefore, even if
Stone enters in aperture 50, also can prevent stone from traveling further into the side Kong Gou by bending section 53.
In addition, in the present embodiment, aperture 50 has in the side tread surface 42a of bending section 53: opening from opening edge 51
The first straight portion 52 at first extended parallel to tire radial direction R therefore, can when demoulding the tire after sulfidization molding
It is easy to extract out from aperture 50: for the protrusion of molded aperture 50, be generated around aperture 50 when so as to inhibit demoulding
Defect.
In addition, in the present embodiment, when the section of aperture 50 is round, stress is not concentrated in around aperture 50
Prescribed direction, but be distributed to aperture 50 it is entire around, therefore, be able to suppress the generation of cracking.
In addition, in the present embodiment, preferably making 1.5~3.0mm of diameter c of aperture 50.If the diameter c of aperture 50
For 1.5mm or more, then the rigidity that can be effectively reduced near the ground terminal E in tire-shoulder land portion 42, if the diameter c of aperture 50
For 3.0mm hereinafter, being then able to suppress: the side for entering into side and leaving among side of aperture 50 produces than another party by a larger margin
The heel-and-toe wear of abrasion.
In addition, in the present embodiment, the hole depth a of aperture 50 be preferably set to the trench depth f of shoulder main groove 36B with
On.Thereby, it is possible to homogenize the ground pressure near the ground terminal E in tire-shoulder land portion 42, until tire wear latter stage.
(second embodiment)
Next, being based on Fig. 4 and Fig. 5, second embodiment of the present invention is illustrated.In addition, implementing to first
The identical part of mode omits the description, and is illustrated to different parts.
In the present embodiment, the Wi on the inside of the tire width direction of the ground terminal E in tire-shoulder land portion 42, in addition to aperture 50
In addition, it is additionally provided with rill 60.
Specifically, rill 60 is between the ground terminal E and multiple apertures 50 in tire-shoulder land portion 42 along tire circumferential direction
Extend.The rill 60 divides tire-shoulder land portion 42 are as follows: the main body land portion 421 of Wi and tire on the inside of tire width direction
The sacrifice land portion 422 of Wo on the outside of width direction.In main body land portion 421, and the Wo on the outside of the tire width direction of rill 60
(near rill 60) is provided with multiple apertures 50.
In addition, rill 60 can since being formed in the opening edge 61 of tread surface 42a in tire-shoulder land portion 42 and with wheel
Tire radial direction R is recessed in parallel, enables to parallel with the first straight portion 52 of aperture 50 and the second straight portion 54.
Herein, referring to Fig. 4 and Fig. 5, an example of the size of aperture 50 has been enumerated, the trench depth f of shoulder main groove 36B is directed to
For 10~15mm, tyre surface ground width L is 200~245mm, then the hole depth a ' of aperture 50 can be set as to 10.5~
18mm, is set as 10~15mm for the trench depth b ' of rill 60, the diameter c ' of aperture 50 is set as 1.5~3.0mm, by rill
60 width m ' is set as 1.5~3.0mm, by the interval between rill 60 and aperture 50 (from being formed in the thin of tread surface 42a
Distance until the opening edge 61 to the opening edge 51 of aperture 50 of ditch 60) d ' is set as 2~4.5mm, by aperture 50 in tire week
Upward interval e ' is set as 1.5~9mm, will be from the opening edge 51 for the aperture 50 for being formed in tread surface 42a to ground terminal E
Distance g ' only is set as 5.5~12mm.
In present embodiment, Wi is provided with along wheel on the inside of the tire width direction of the ground terminal E in tire-shoulder land portion 42
The rill 60 of tire circumferentially extending, also, Wi is provided with circumferential along tire and separates on the inside of the tire width direction of rill 60
The multiple apertures 50 of compartment of terrain side by side.Thereby, it is possible on the outside of the tire width direction in tire-shoulder land portion 42 Wo formed out: sacrifice
Land portion 422, so as to reduce: substantially to the partial wear in the help biggish main body land portion 421 of tyre performance.Except this
Except, since Wo is provided with multiple apertures 50 on the outside of the tire width direction in main body land portion 421, it is thus possible to it is enough so that
The ground pressure in main body land portion 421 homogenizes on tire width direction, so as to effectively inhibit partial wear.
Also, aperture 50 has: small relative to depth direction towards curved bending section 53 on the inside of tire width direction
The bottom in hole 50 is configured to: being left rill 60 compared with open end side (side tread surface 42a), therefore, can be mitigated aperture 50
Bottom and rill 60 bottom between stress concentrate, so as to inhibit cracking generation.
In addition, in the present embodiment, preferably, the hole depth a ' of aperture 50 to be set greater than to the trench depth of rill 60
B ' (that is, a ' > b '), for example, 1 times of the hole depth a ' of aperture 50 greater than the trench depth b ' of rill 60 can be made and be 1.2 times
(b ' < a '≤1.2b ') below.Hole depth a ' and trench depth b ' is set in this way, can utilize 50 realization body land of aperture
The homogenization of the ground pressure in ground portion 421 inhibits partial wear until tire wear latter stage.In addition to this, the depth of aperture 50
Degree is different with the depth of rill 60, and therefore, the stress that can be mitigated between the bottom of aperture 50 and the bottom of rill 60 is concentrated, from
And it is able to suppress the generation of cracking.
In addition, the interval d ' between rill 60 and aperture 50 is preferred are as follows: 1 times of the diameter c of aperture 50 in present embodiment
~1.5 times (c '≤d '≤1.5c).If the interval d ' between rill 60 and aperture 50 is the diameter c ' or more of aperture 50, can
Enough ensure rill 60 at a distance from aperture 50, be able to suppress main body land portion 421 and generate defect, if rill 60 and aperture 50 it
Between interval d ' be 1.5 times of diameter c ' of aperture 50 hereinafter, the then Wo energy on the outside of the tire width direction in main body land portion 421
It is enough grounded the homogenization of pressure, to effectively inhibit partial wear.
(modification)
Above-mentioned embodiment proposes as an example, it is not intended to limit the scope of the invention.The new embodiment party
Formula can be implemented in a manner of various other, can carry out various omissions without departing from the spirit and scope of the invention, set
It changes, change.
For example, aperture 50 can have: multiple curved curved towards tire width direction inside relative to depth direction
Pars convoluta 53, in this case, other than above-mentioned effect, additionally it is possible to will be rigid from wheel near the ground terminal in tire-shoulder land portion
Wo is in reduce multistagely towards inside Wi on the outside of tire width direction, so as to further inhibit partial wear.
In addition, for example, aperture 50 can not be in the second straight portion 54 of inboard setting of bending section 53, but in bending section 53
Terminal is formed, alternatively, expansion section 55 can also be arranged in the inboard of bending section 53 and form terminal.In this case, also can
Obtain above-mentioned effect.
Claims (9)
1. a kind of pneumatic tire has in fetus face: being divided along multiple tap drains of tire circumferentially extending and by the tap drain
Multiple land portions out,
The pneumatic tire is characterized in that,
The tap drain has: the shoulder main groove being set on the outside of tire width direction,
The land portion has: it is formed in the tire-shoulder land portion on the outside of the tire width direction of the shoulder main groove,
The tire-shoulder land portion has: is circumferentially set on the inside of the tire width direction of ground terminal at spaced intervals along tire
Multiple apertures,
The aperture has: relative to depth direction towards curved bending section on the inside of tire width direction.
2. pneumatic tire according to claim 1, which is characterized in that
The tire-shoulder land portion has: the rill circumferentially extended between the aperture and the ground terminal along tire.
3. pneumatic tire according to claim 2, which is characterized in that
Rill described in the small boring ratio is also deep.
4. pneumatic tire according to claim 2 or 3, which is characterized in that
The section of the aperture is rounded, the distance until from the opening edge of the aperture to the opening edge of the rill are as follows: institute
1~1.5 times for stating the diameter of aperture.
5. pneumatic tire according to any one of claims 1 to 3, which is characterized in that
Shoulder main groove described in the small boring ratio is also deep.
6. pneumatic tire according to any one of claims 1 to 3, which is characterized in that
The aperture has: the first straight portion radially extended from the tread surface towards tire,
The bending section is configured to: continuous with the inboard of first straight portion.
7. pneumatic tire according to claim 6, which is characterized in that
The aperture has: the second straight portion radially extended along tire, and second straight portion is configured to: with it is described curved
The inboard of pars convoluta is continuous.
8. pneumatic tire according to claim 7, which is characterized in that
The aperture has expansion section, which is configured to: it is continuous with the inboard of second straight portion,
The expansion section is made of also longer than second straight portion cavity on tire width direction.
9. pneumatic tire according to claim 8, which is characterized in that
The expansion section, which is not directed towards, to be closer to tire width direction outer expandable than second straight portion and is directed towards tire
Extension on the inside of width direction.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017-218609 | 2017-11-13 | ||
| JP2017218609A JP2019089412A (en) | 2017-11-13 | 2017-11-13 | Pneumatic tire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109774385A true CN109774385A (en) | 2019-05-21 |
| CN109774385B CN109774385B (en) | 2021-08-03 |
Family
ID=66496333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811206400.2A Active CN109774385B (en) | 2017-11-13 | 2018-10-17 | Pneumatic tire |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2019089412A (en) |
| CN (1) | CN109774385B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113561708A (en) * | 2020-04-28 | 2021-10-29 | 通伊欧轮胎株式会社 | Pneumatic tire |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08258513A (en) * | 1995-03-22 | 1996-10-08 | Ohtsu Tire & Rubber Co Ltd :The | Pneumatic tire |
| JP2002079809A (en) * | 2000-09-07 | 2002-03-19 | Bridgestone Corp | Pneumatic tire |
| CN101631684A (en) * | 2007-03-13 | 2010-01-20 | 株式会社普利司通 | Pneumatic tire |
| CN101734111A (en) * | 2008-11-20 | 2010-06-16 | 横滨橡胶株式会社 | Heavy load pneumatic tire |
| CN204123898U (en) * | 2013-09-26 | 2015-01-28 | 东洋橡胶工业株式会社 | Air-inflation tyre |
-
2017
- 2017-11-13 JP JP2017218609A patent/JP2019089412A/en active Pending
-
2018
- 2018-10-17 CN CN201811206400.2A patent/CN109774385B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08258513A (en) * | 1995-03-22 | 1996-10-08 | Ohtsu Tire & Rubber Co Ltd :The | Pneumatic tire |
| JP2002079809A (en) * | 2000-09-07 | 2002-03-19 | Bridgestone Corp | Pneumatic tire |
| CN101631684A (en) * | 2007-03-13 | 2010-01-20 | 株式会社普利司通 | Pneumatic tire |
| CN101734111A (en) * | 2008-11-20 | 2010-06-16 | 横滨橡胶株式会社 | Heavy load pneumatic tire |
| CN204123898U (en) * | 2013-09-26 | 2015-01-28 | 东洋橡胶工业株式会社 | Air-inflation tyre |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113561708A (en) * | 2020-04-28 | 2021-10-29 | 通伊欧轮胎株式会社 | Pneumatic tire |
| CN113561708B (en) * | 2020-04-28 | 2023-08-22 | 通伊欧轮胎株式会社 | pneumatic tire |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2019089412A (en) | 2019-06-13 |
| CN109774385B (en) | 2021-08-03 |
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