CN104118279B - Inflation tire - Google Patents
Inflation tire Download PDFInfo
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- CN104118279B CN104118279B CN201410038104.1A CN201410038104A CN104118279B CN 104118279 B CN104118279 B CN 104118279B CN 201410038104 A CN201410038104 A CN 201410038104A CN 104118279 B CN104118279 B CN 104118279B
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- band ditch
- tire
- rib
- siping
- ditch
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Abstract
The invention provides an inflation tire keeping steering performance on a wet road and simultaneously preventing uneven wearing of rib edges connected with transverse grooves; the inflation tire (1) is provided with at least one rib (5) on a tire surface (2); the rib is provided with a plurality of first transverse grooves (8) extending from a tire shaft of the rib to a rib edge (5a) side, a plurality of second transverse grooves (9) extending from the tire shaft of the rib to the other rib edge (5b) side, and a plurality of sipings (10) unconnected with the first and second transverse grooves; the first and second transverse grooves lean in a same direction relative to a tire periphery, and are arranged on opposite positions of the tire shaft; the siping comprises a first siping (11) leaning to the other direction opposite to that of the first and second transverse grooves, and the first siping (11) is arranged between the first and second transverse grooves opposite to each other on the tire shaft.
Description
Technical field
The present invention relates to a kind of pneumatic tire, in fetus face with least one rib along the circumferentially continuous extension of tire.
Background technology
In the past, proposed there is the pneumatic tire that following tread contour is employed in fetus face, the tread contour is included along tire
The a plurality of tap drain of circumferentially continuous extension and the multiple ribs along the circumferentially continuous extension of tire divided by each tap drain（For example,
With reference to following patent documentation 1）.For this tire, its drainage is excellent, also, the rigidity of its fetus face is high, its
Turn performance on wet road road surface is especially excellent.
A plurality of band ditch is formed with for example in the rib of the tire of following patent documentations 1, wherein, the band ditch is relative to wheel
Tire peripheral, oblique and the rib edge extension from the side of the rib, and also terminal is formed with the rib.Pass through
Such band ditch and improve the hauling ability on wet road road surface.Also, it is in the rib and adjacent in tire circumference
Multiple siping are provided between the band ditch.The rigidity of the rib is reduced by such siping, so as to
Inhibit the uneven wear of rib edge.
Patent documentation 1：Japanese Unexamined Patent Publication 8-91023 publication
However, for conventional pneumatic tire, the multiple siping between band ditch cause the rigidity of rib overall
Reduce.Accordingly, there exist the worry that the turn performance on wet road road surface is reduced.
The content of the invention
The present invention be in view of above this practical situation and complete, its main purpose is to provide a kind of pneumatic tire,
The turn performance on wet road road surface, and the uneven wear at the rib edge that can suppress to be connected with band ditch can be maintained.
The present invention is a kind of pneumatic tire, and the pneumatic tire is in fetus face with least along the circumferentially continuous extension of tire
Individual rib, this is airtyred to be characterised by, is provided with least one rib：A plurality of first band ditch, this plurality of first
Band ditch extends from the rib edge of the tire axial side of the rib, and be formed with terminal in the rib；A plurality of
Two band ditches, a plurality of second band ditch extends from the rib edge of the tire axial opposite side of the rib, and in the rib
Terminal is formed with bar；And multiple siping, the plurality of siping not with these the first band ditches and the second band
Ditch is connected, and the first band ditch and the second band ditch are circumferentially inclined in the same direction relative to tire, also,
The first band ditch is configured at position opposite each other, the siping bag on tire axial with the second band ditch
The first siping is included, first siping court is contrary with the direction of the first band ditch and the second band ditch
Opposite side inclines, and between the first band ditch opposite each other on tire axial and the second band ditch.
Preferably, described airtyred described first siping involved in the present invention is configured in tire axial
On the straight line that the upper first band ditch opposite each other is linked with the second band ditch.
Preferably, described airtyred described first siping involved in the present invention is configured in tire axial
The straight line that the upper terminal of the first band ditch opposite each other is linked with the terminal of the second band ditch
On.
Preferably, the described airtyred siping involved in the present invention includes the second siping, and this
Two siping are configured between adjacent first siping in tire circumference, and have towards and first cutter groove
Decorative pattern towards the inclined first composition in identical direction.
Preferably, described airtyred described second siping involved in the present invention has：Described the first one-tenth
Along the circumferentially extending circumferential composition of tire on the inside of the tire axial for dividing；And towards wheel on the outside of the tire axial of the first composition
The axially external axially extending composition of tire.
Preferably, the described airtyred fetus face involved in the present invention is included along the circumferentially continuous extension of tire
At least 3 tap drains, the rib are to divide form, and be configured at side or the opposite side of tire equator between the tap drain
Intermediate rib.
Preferably, described airtyred described first band ditch involved in the present invention and the second band ditch phase
Inclined with 45 °～70 ° of angle for tire is circumferential.
Preferably, length L1 on the long side direction of described airtyred described first band ditch involved in the present invention
With the ratio of the width W1 on the tire axial of the rib（L1/W1）, and the long side direction of the second band ditch on length
The ratio of the degree L2 and width W1 of the rib（L2/W1）In 0.3～0.5 scope.
Preferably, described airtyred described first band ditch involved in the present invention and the second band ditch
Ditch depth is gradually reduced towards the end side.
Preferably, described airtyred described first band ditch involved in the present invention and the second band ditch
The ratio of depth D2 of the end side and depth D1 of the rib edge side（D2/D1）In 0.4～0.6 scope.
Preferably, the described airtyred terminal from the first band ditch involved in the present invention or from described
The terminal of the second band ditch is in the scope of 1.0mm～5.0mm to beeline L3 of first siping.
Preferably, the described airtyred rib involved in the present invention includes chamfered section, by by described
The acute angle portion that one band ditch or the second band ditch are constituted with each rib edge carries out chamfering and forms the chamfered section.
The pneumatic tire of the present invention is provided with least one rib：A plurality of first band ditch, a plurality of first band
Ditch extends from the rib edge of the tire axial side of the rib, and be formed with terminal in the rib；A plurality of second is horizontal
Groove, a plurality of second band ditch extends from the rib edge of the tire axial opposite side of the rib, and in the rib
It is formed with terminal；And multiple siping, the plurality of siping do not connected with these the first band ditches and the second band ditch
It is logical.The first band ditch and the second band ditch are circumferentially inclined in the same direction relative to tire, also, described
First band ditch is configured at position opposite each other on tire axial with the second band ditch.The siping includes
One siping, first siping is towards contrary with the direction of the first band ditch and the second band ditch another
Roll tiltedly, and between the first band ditch opposite each other on tire axial and the second band ditch.
For the present invention pneumatic tire for, by the first band ditch and the second band Gou Ershi road road surface from
The side of rib and opposite side carry out draining, so as to improve drainage.Therefore, on wet road road surface, tyre surface can be increased
The ground plane that portion is contacted with road surface, so as to improve the hauling ability on wet road road surface.
For the pneumatic tire of the present invention, cause because of the first siping rib rigidly on tire axial that
The vicinity of this first opposed band ditch and the second band ditch reduces.Therefore so that with the first band ditch and the second band
The deformation at the rib edge that ditch is connected becomes to be more prone to such that it is able to suppress the uneven wear at the rib edge.Additionally,
First siping is not connected with the first band ditch and the second band ditch.Suppressed by such first siping
The overall rigid reduction of the rib, therefore, it is possible to maintaining the higher turn performance on wet road road surface.
Description of the drawings
Fig. 1 is the expanded view of the airtyred fetus face of an embodiment of the invention.
Fig. 2 is the partial enlarged drawing near the tire equator of Fig. 1.
Fig. 3 is the A-A sectional views of Fig. 2.
Description of reference numerals：
1：Pneumatic tire；2：Fetus face；3：Tap drain；4：Rib；5：Intermediate rib；8：First band ditch；9：Second band
Ditch；10：Siping；11：First siping；C：Tire equator.
Specific embodiment
Hereinafter, an embodiment of the invention is illustrated based on accompanying drawing.
Figure 1 illustrates pneumatic tire（Hereinafter, brief note makees " tire " sometimes）The expanded view of 1 fetus face 2.In this reality
Apply in mode, although the tire of car is shown as tire 1, but also include certainly such as tyre for heavy load, rub
Various types of tires such as support tire for vehicles.
As shown in figure 1, tire 1 has at least 3 tap drains 3 for example along the circumferentially continuous extension of tire in fetus face 2, at this
There are in embodiment 3 tap drains 3.Tap drain 3 be for example included in extend in tire equator C in central authorities central main groove 3C and
Shoulder main groove 3S of its both sides.
Tire 1, has with least one rib 4 along the circumferentially continuous extension of tire in the present embodiment in fetus face 2
There are 4 ribs 4.The rib 4 of present embodiment is included in the intermediate rib marked off between central main groove 3C and shoulder main groove 3S
5th, and between shoulder main groove 3S and tyre surface end Te the tire shoulder rib 6 for marking off.The intermediate rib 5 of present embodiment is set respectively
In the both sides of tire equator C.
" tyre surface end " is referred to and loads on the tire 1 of normal state and make the tire 1 with 0 ° of flare regular load
The tire axial outermost end of tread surface when angle is contacted with plane ground.
" normal state " refers to that tire 1 is assembled in regular wheel rim by wheel rim（Omit diagram）, filled with regular intrinsic pressure
And non-loaded state.
In addition, " the regular wheel rim " is referred in the schematism including the specification of 1 foundation of tire for each wheel
Tire and specify the wheel rim of the specification, for example, if JATMA then represents " standard rim ", if TRA then represents " Design
Rim ", if ETRTO then represents " Measuring Rim ".
" regular intrinsic pressure " refers to and advises for each tire in the schematism including the specification of 1 foundation of tire
The air pressure of fixed each specification, for example, if JATMA then represents " highest air pressure ", if TRA then represents table " TIRE LOAD
Described maximum in LIMITS AT VARIOUS COLD INFLATION PRESSURES ", if ETRTO is then represented
“INFLATION PRESSURES”。
" the regular load " is referred to and is advised for each tire in the schematism including the specification of 1 foundation of tire
The load of fixed each specification, for example, if JATMA then represents " maximum load capability ", if TRA then represents table " TIRE LOAD
Described maximum in LIMITS AT VARIOUS COLD INFLATION PRESSURES ", if ETRTO is then represented
“LOAD CAPACITY”。
Figure 2 illustrates the partial enlarged drawing after being exaggerated near tire equator C of Fig. 1.Show Fig. 2's in Fig. 3
A-A sectional views.In this manual, in the case of no special declaration, the size of each several part of tire 1 is set to into regular shape
Value under state.
As shown in Figure 2 or Figure 3, in the present embodiment, furrow width W4 not to tap drain 3, ditch depth D4 carry out particular determination,
The scope for setting by convention can be for example suitably used.From from the viewpoint of the rigidity or drainage of fetus face 2, tap drain
3 furrow width W4 is for example preferably in the tread width TW between tyre surface end Te, Te（Shown in Fig. 1）3.0%～8.0% scope.
From from the viewpoint of identical with when considering the setting of furrow width W4, the ditch depth D4 of tap drain 3 be for example preferably in 6.0mm～
The scope of 9.0mm.From from the viewpoint of drainage and straight trip stability, in the present embodiment, tap drain 3 is arranged to straight line
Shape, but for example it can also be provided that zigzag.
As shown in Fig. 2 be provided with a plurality of first band ditch 8, a plurality of second band ditch 9 in each intermediate rib 5, and not with
One band ditch 8 and multiple siping 10 of the connection of the second band ditch 9.
First band ditch 8 extends from the tire axial side of intermediate rib 5, is then from tire equator in the present embodiment
The rib edge 5a of C sides extends.Second band ditch 9 extends from the tire axial opposite side of intermediate rib 5, and in present embodiment
In be then that rib edge 5b from the outside of tire axial extends.First band ditch 8 and the second band ditch 9 are respectively in intermediate rib
Terminal 8e, 9e is formed with 5.
First band ditch 8 and the second band ditch 9 are circumferentially inclined in the same direction relative to tire.Therefore, by side
Edge effect and hauling ability when improve straight trip.Also, on wet road road surface, can effectively by road surface and fetus face 2 it
Between moisture film discharge from the rib edge 5a sides or rib edge 5b sides of intermediate rib 5 towards tap drain 3, it is wet so as to further increase
Hauling ability on the road surface of road.
First band ditch 8 and the second band ditch 9 are configured at position opposite each other on the tire axial of intermediate rib 5.
More specifically, as long as example the first band ditch 8 and the second band ditch 9 are configured in the arbitrary straight line along tire axial
Upper intersection.By such first band ditch 8 and the second band ditch 9 intermediate rib 5 the first band ditch 8 and
Second band ditch, 9 vicinity reduces rigidity.In order that the rigidity of intermediate rib 5 is further partly reduced, preferably first is horizontal
The part of more than 80% in the tire circumference composition of groove 8 is opposite each other with the second band ditch 9.
Siping 10 is included relative to tire equator C towards the direction contrary with the first band ditch 8 and the second band ditch 9
Inclined first siping 11.First siping 11 is located at the first band ditch 8 opposite each other on tire axial and
Between two band ditches 9.
The first band for causing the rigidity of intermediate rib 5 opposite each other on tire axial by the first siping 11
Ditch 8 is further reduced with the vicinity of the second band ditch 9.Therefore, the centre being connected with the first band ditch 8 and the second band ditch 9
The deformation of the rib edge 5c of rib 5 becomes easy, so as to inhibit the uneven wear at rib edge 5c.Additionally, first
Siping 11 is not connected with the first band ditch 8 and the second band ditch 9.Such first siping 11 can suppress middle
The rigid reduction of 5 entirety of rib, so as to maintain higher turn performance of the tire 1 on wet road road surface.
The preferred form of the first siping 11 is linear to extend into.First siping 11 be for example configured at by
On the straight line that the first band ditch 8 opposite each other and the second band ditch 9 link on tire axial.Spent by such first cutter groove
Stricture of vagina 11 and significantly reduce the rigidity of intermediate rib 5 in the vicinity of the first band ditch 8 and the second band ditch 9.Particularly preferably
First siping 11 is configured at terminal 8e and the second band ditch 9 of the first band ditch 8 opposite each other on tire axial
Terminal 9e link straight line on.
In the present embodiment, particular determination is not carried out to the furrow width and ditch depth of siping 10, for example can be appropriate
Ground is using the scope of setting by convention.
Siping 10 for example includes the second knife being configured between adjacent the first siping 11 in tire circumference
Groove decorative pattern 12.Second siping 12 contributes to being adjusted the rigidity of intermediate rib 5.
Second siping 12 for example has court inclined the first one-tenth towards identical direction with the first siping 11
Point 12a, on the inside of the tire axial of first composition 12a along the circumferentially extending circumferential composition 12b of tire and in first composition
On the outside of the tire axial of 12a towards on the outside of tire axial axially extending composition 12c.Centre can be adjusted by circumferential composition 12b
The axial stiffness of rib 5, and edge effect can be relied on and turn performance is improved.Can then be adjusted by axial composition 12c
The rigid circumference of intermediate rib 5, and edge effect can be relied on and hauling ability is improved.
Preferably, the first band ditch 8 and the second band ditch 9 are circumferential for example with 45 °～70 ° of angle [alpha] relative to tire
Incline.In the case where the angle [alpha] is less than 45 °, it is difficult to play the edge effect of the first band ditch 8 and the second band ditch 9,
So as to be difficult to fully improve hauling ability.Conversely, in the angle [alpha] more than in the case of 70 °, it is difficult to 4 draining of tap drain, so as to
It is difficult to play sufficient drainage.
Preferably, the width W1 on the tire axial of length L1 on the long side direction of the first band ditch 8 and intermediate rib 5
Ratio（L1/W1）For instance in 0.3～0.5 scope.In the ratio（L1/W1）Value less than 0.3 in the case of, be not only difficult to
Drainage is improved, and it is also possible to cannot fully reduce the rigidity of intermediate rib 5.Conversely, in the ratio（L1/W1）Value it is big
In the case of 0.5, there is the worry that the rigidity of intermediate rib 5 extremely declines.
From with consider the ratio（L1/W1）Setting when it is identical from the viewpoint of, the preferred long side direction of the second band ditch 9
On length L2 and the width W1 of intermediate rib 5 ratio（L2/W1）For instance in 0.3～0.5 scope.
As shown in figure 3, the ditch depth of the first band ditch 8 and the second band ditch 9 for example towards respective terminal 8e, 9e side by
It is decrescence little.Can be by their moisture films and road surface between along inclination by such first band ditch 8 and the second band ditch 9
Bottom of trench and discharge towards tap drain 4 such that it is able to further improve drainage.
Preferably, depth D1 and terminal 8e, 9e of rib edge 5a, 5b side of the first band ditch 8 and the second band ditch 9
The ratio of depth D2 of side（D2/D1）In 0.4～0.6 scope.In the ratio（D2/D1）Value less than 0.4 in the case of,
The gradient of the respective bottom of trench of one band ditch 8 and the second band ditch 9 reduces, so as to there is the load that cannot improve drainage
Melancholy.On the other hand, in the ratio（D2/D1）Value more than in the case of 0.6, the first band ditch 8 and the second band ditch 9 it is each
From bottom of trench gradient increase, depth D2 of terminal 8e, the 9e side reduces.Accordingly, it is difficult to by the first band ditch 8 and
Moisture film between two band ditches 9 and road surface from terminal 8e, the 9e side towards the first band ditch 8 or the second band ditch 9 in import, from
And there is the worry that cannot improve drainage.
As shown in Figure 2, it is preferable that terminal 9e from terminal 8e or the second band ditch 9 of the first band ditch 8 is to the first cutter groove
Scope of beeline L3 of decorative pattern 11 for instance in 1.0mm～5.0mm.Beeline L3 less than 1.0mm situation
Under, the rigidity near the first band ditch 8 and the second band ditch 9 of intermediate rib 5 declines to a great extent, so as to cause easily in the portion
Divide and produce uneven wear.Conversely, in the case where beeline L3 is more than 5.0mm, existing cannot fully reduce centre
Rigid worry near the first band ditch 8 and the second band ditch 9 of rib 5, so as to easily produce at rib edge 5c
Uneven wear.
Preferably, the intermediate rib 5 of present embodiment for example include chamfered section 5d, by with inclined-plane to the first band ditch 8
Or second band ditch 9 carry out chamfering with acute angle portion formed by each rib edge 5a, 5b and form chamfered section 5d.Chamfered section 5d
Contribute to the crackle for suppressing to occur in the acute angle portion.
As shown in figure 1, the tire 1 of present embodiment includes the counterfort region continued on the outside of from tyre surface end Te towards tire axial
20.Counterfort region 20 be for example provided with along the circumferentially extending counterfort longitudinal furrow 21 of tire, and from counterfort longitudinal furrow 21 towards tire axial in
The counterfort band ditch 22 that side extends.
Counterfort band ditch 22 is arranged to for example from counterfort longitudinal furrow 21 the linear or circular arc extended on the inside of towards tire axial
Shape.Counterfort band ditch 22 is included in the first counterfort band ditch 22A and the second counterfort band ditch be alternately arranged in tire circumference
22B.First counterfort band ditch 22A has terminal in the position than tyre surface end Te roller tire axially inner side.First counterfort band ditch
22A contributes to further improving hauling ability by edge effect.
Second counterfort band ditch 22B has terminal in the position more axially external than tyre surface end Te roller tire.Second counterfort is horizontal
Groove 22B forms terminal in counterfort region 20, and when tire is grounded, the furrow width of the second counterfort band ditch 22B is towards the side for expanding
To deformation.Therefore, the ground pressure of the ground connection side of tire shoulder rib 6 is weakened, so as to inhibit the heating of tire shoulder rib 6.
Although having carried out detailed narration to the particularly preferred embodiment of the present invention above, the present invention is not limited to
The embodiment, can be deformed into various forms and be carried out.
[embodiment]
Manufacture experimently with the motif shown in Fig. 1 and the tire based on the specification of table 1, and these tires have been entered
Test is gone.The main common-use size of tire is as follows.
Tire size：195/65R15
Wheel rim：6.00JJ
Tread width TW：140mm
Each method of testing is as follows.
The wet road braking ability ＞ of ＜
Supply to try all wheels that tire is installed on vehicle by each, it is intrinsic pressure in front-wheel（230kPa）, and trailing wheel is intrinsic pressure
（220kPa）Under conditions of, the vehicle is formed with road surface on the wet road road surface of moisture film and travel.Also, when travel speed reaches
During to 100km/h, abs braking device is made to work, to entering from the position for making the work of abs braking device to the distance of the stop position of vehicle
Gone measurement, and test result has been have rated so that the result of comparative example 1 to be set to 100 index.Numerical value Yue great Shi roads braking
Can be more excellent, so as to the hauling ability on wet road road surface is more excellent.
Wet road turn performances ＞ of ＜
Supply to try all wheels that tire is installed on vehicle by each, it is intrinsic pressure in front-wheel（230kPa）, and trailing wheel is intrinsic pressure
（220kPa）Under conditions of, the vehicle is formed with road surface on the wet road road surface of moisture film and travel.Also, based on driver's
Sensory experience is evaluating turn performance during traveling, and test knot is have rated so that the result of comparative example 1 to be set to 100 index
Really.Turn performance on the road surface of numerical value Yue great Shi roads is more excellent.
＜ resistance to uneven wear performance ＞
With intrinsic pressure（180kPa）Condition and all wheels of vehicle are installed on for trying tire by each, and make the vehicle in city
20,000 km are travelled on the road of face.Also, by estimate in the way of to traveling after tire shoulder wear, H＆T abrasion commented
It is fixed, test result is evaluated based on evaluation result and so that the result of comparative example 1 to be set to 100 index.Numerical value is got over
Show that greatly uneven wear phenomenon is fewer, so as to resistance to uneven wear performance is more excellent.
[table 1]
As shown in table 1, it is able to confirm that：The tire of embodiment can maintain the turn performance on wet road road surface, and can improve
Abrasion resistance, can additionally improve the hauling ability on wet road road surface.
Claims (13)
1. a kind of pneumatic tire, the pneumatic tire in fetus face with least one rib along the circumferentially continuous extension of tire,
It is described it is airtyred be characterised by,
It is provided with least one rib：A plurality of first band ditch, tire axle of a plurality of first band ditch from the rib
Extend to the rib edge of side, and be formed with terminal in the rib；A plurality of second band ditch, a plurality of second band ditch
Extend from the rib edge of the tire axial opposite side of the rib, and terminal is formed with the rib；And multiple knives
Groove decorative pattern, the plurality of siping are not connected with these the first band ditches and the second band ditch,
The first band ditch and the second band ditch are circumferentially inclined in the same direction relative to tire,
Also, the first band ditch is configured at position opposite each other on tire axial with the second band ditch, described
The part of more than 80% in the tire circumference composition of the first band ditch is opposed on tire axial with the second band ditch,
The siping includes the first siping, first siping towards and the first band ditch and described second
The contrary opposite side of the direction of band ditch inclines, and located at the first band ditch opposite each other on tire axial with it is described
Between second band ditch.
2. pneumatic tire according to claim 1, it is characterised in that
First siping is configured at will be the first band ditch opposite each other on tire axial horizontal with described second
On the straight line that groove links.
3. pneumatic tire according to claim 1, it is characterised in that
First siping be configured at by the terminal of the first band ditch opposite each other on tire axial with
On the straight line that the terminal of the second band ditch links.
4. pneumatic tire according to claim 2, it is characterised in that
First siping be configured at by the terminal of the first band ditch opposite each other on tire axial with
On the straight line that the terminal of the second band ditch links.
5. pneumatic tire according to any one of claim 1 to 4, it is characterised in that
The siping includes the second siping, and second siping is configured at adjacent described in tire circumference
Between one siping, and with court with first siping towards the inclined first composition in identical direction.
6. pneumatic tire according to claim 5, it is characterised in that
Second siping has：On the inside of the tire axial of the first composition along tire it is circumferentially extending it is circumferential into
Point；And on the outside of the tire axial of the first composition towards on the outside of tire axial axially extending composition.
7. pneumatic tire according to any one of claim 1 to 4, it is characterised in that
The fetus face with least 3 tap drains along the circumferentially continuous extension of tire,
The rib is to divide form, and be configured at the side of tire equator or the intermediate rib of opposite side between the tap drain
Bar.
8. pneumatic tire according to any one of claim 1 to 4, it is characterised in that
The first band ditch and the second band ditch are inclined with 45 °～70 ° of angle relative to tire is circumferential.
9. pneumatic tire according to any one of claim 1 to 4, it is characterised in that
Ratio (the L1/ of the width W1 on length L1 on the long side direction of the first band ditch and the tire axial of the rib
W1 length L2), and on the long side direction of the second band ditch is in the ratio (L2/W1) of the width W1 of the rib
0.3～0.5 scope.
10. pneumatic tire according to any one of claim 1 to 4, it is characterised in that
The ditch depth of the first band ditch and the second band ditch is gradually reduced towards the end side.
11. pneumatic tires according to claim 10, it is characterised in that
The depth of depth D2 of the end side of the first band ditch and the second band ditch and the rib edge side
Degree D1 ratio (D2/D1) in 0.4～0.6 scope.
12. pneumatic tires according to any one of claim 1 to 4, it is characterised in that
The terminal from the first band ditch or the terminal from the second band ditch are to first siping
Beeline L3 in 1.0mm～5.0mm scope.
13. pneumatic tires according to any one of claim 1 to 4, it is characterised in that
The rib has chamfered section, by by the first band ditch or the second band ditch and each rib edge
The acute angle portion of composition carries out chamfering and forms the chamfered section.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013090642A JP5841558B2 (en) | 2013-04-23 | 2013-04-23 | Pneumatic tire |
| JP2013-090642 | 2013-04-23 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104118279A CN104118279A (en) | 2014-10-29 |
| CN104118279B true CN104118279B (en) | 2017-04-26 |
Family
ID=51764013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410038104.1A Active CN104118279B (en) | 2013-04-23 | 2014-01-26 | Inflation tire |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5841558B2 (en) |
| CN (1) | CN104118279B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6154687B2 (en) * | 2013-07-18 | 2017-06-28 | 住友ゴム工業株式会社 | Pneumatic tire |
| WO2017141912A1 (en) * | 2016-02-15 | 2017-08-24 | 横浜ゴム株式会社 | Pneumatic tire |
| JP2019026180A (en) * | 2017-08-02 | 2019-02-21 | 東洋ゴム工業株式会社 | Pneumatic tire |
| JP6949654B2 (en) * | 2017-10-13 | 2021-10-13 | Ｔｏｙｏ Ｔｉｒｅ株式会社 | Pneumatic tires |
| WO2019123279A1 (en) * | 2017-12-22 | 2019-06-27 | Bridgestone Europe Nv/Sa | Tread component |
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| GB2253816A (en) * | 1991-03-20 | 1992-09-23 | Goodyear Tire & Rubber | Pneumatic tire tread having high density siping zones in the shoulder regions |
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| JP2006297980A (en) * | 2005-04-15 | 2006-11-02 | Bridgestone Corp | Pneumatic radial tire |
| CN201346962Y (en) * | 2009-01-20 | 2009-11-18 | 厦门正新橡胶工业有限公司 | Tire tread structure of pneumatic tire |
| JP2010064514A (en) * | 2008-09-08 | 2010-03-25 | Yokohama Rubber Co Ltd:The | Pneumatic tire |
| CN102745022A (en) * | 2011-04-20 | 2012-10-24 | 住友橡胶工业株式会社 | Pneumatic tire |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5361814A (en) * | 1989-11-15 | 1994-11-08 | The Goodyear Tire & Rubber Company | Asymmetric tire |
| US20100236681A1 (en) * | 2009-03-17 | 2010-09-23 | Daniel Ray Beha | Tire having tread blocks with blended walls |
| JP5921073B2 (en) * | 2011-03-14 | 2016-05-24 | 株式会社ブリヂストン | Pneumatic tire |
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2013
- 2013-04-23 JP JP2013090642A patent/JP5841558B2/en active Active
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2014
- 2014-01-26 CN CN201410038104.1A patent/CN104118279B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2253816A (en) * | 1991-03-20 | 1992-09-23 | Goodyear Tire & Rubber | Pneumatic tire tread having high density siping zones in the shoulder regions |
| JPH10181314A (en) * | 1996-12-06 | 1998-07-07 | Continental Ag | Vehicle tire having notch in tread band |
| JP2006297980A (en) * | 2005-04-15 | 2006-11-02 | Bridgestone Corp | Pneumatic radial tire |
| JP2010064514A (en) * | 2008-09-08 | 2010-03-25 | Yokohama Rubber Co Ltd:The | Pneumatic tire |
| CN201346962Y (en) * | 2009-01-20 | 2009-11-18 | 厦门正新橡胶工业有限公司 | Tire tread structure of pneumatic tire |
| CN102745022A (en) * | 2011-04-20 | 2012-10-24 | 住友橡胶工业株式会社 | Pneumatic tire |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104118279A (en) | 2014-10-29 |
| JP5841558B2 (en) | 2016-01-13 |
| JP2014213646A (en) | 2014-11-17 |
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