WO2015108081A1 - スタッダブルタイヤ - Google Patents
スタッダブルタイヤ Download PDFInfo
- Publication number
- WO2015108081A1 WO2015108081A1 PCT/JP2015/050837 JP2015050837W WO2015108081A1 WO 2015108081 A1 WO2015108081 A1 WO 2015108081A1 JP 2015050837 W JP2015050837 W JP 2015050837W WO 2015108081 A1 WO2015108081 A1 WO 2015108081A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tire
- groove
- stud
- communication
- stud hole
- Prior art date
Links
- 239000000843 powder Substances 0.000 description 25
- 238000003780 insertion Methods 0.000 description 7
- 230000037431 insertion Effects 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
Images
Classifications
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- 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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
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- 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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/14—Anti-skid inserts, e.g. vulcanised into the tread band
- B60C11/16—Anti-skid inserts, e.g. vulcanised into the tread band of plug form, e.g. made from metal, textile
- B60C11/1625—Arrangements thereof in the tread patterns, e.g. irregular
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- 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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/0302—Tread patterns directional pattern, i.e. with main rolling direction
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- 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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
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- 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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/14—Anti-skid inserts, e.g. vulcanised into the tread band
- B60C11/16—Anti-skid inserts, e.g. vulcanised into the tread band of plug form, e.g. made from metal, textile
-
- 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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
- B60C11/1204—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special shape of the sipe
- B60C2011/1209—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special shape of the sipe straight at the tread surface
Definitions
- the present invention relates to a studded tire in which a plurality of stud attachment portions for embedding spike pins in a tire tread are formed.
- a recessed portion is provided around the stud mounting portion, and the ice powder excavated by the spike pin when traveling on the road surface on ice is accumulated in the recessed portion, so that the adhesion of the ice powder to the spike pin can be suppressed.
- tires for example, JP 2011-521845 A).
- the present invention has been made in consideration of the above facts, and an object of the present invention is to obtain a studded tire capable of suppressing the adhesion of ice powder generated when traveling on an icy road surface to spike pins and ensuring high steering stability performance.
- the stackable tire according to the first aspect of the present invention is a land provided on a tread and defined by a plurality of circumferential grooves extending in the tire circumferential direction and a plurality of intersecting grooves intersecting the circumferential grooves.
- the studded tire according to the present invention has an excellent effect of suppressing the adhesion of ice powder generated when traveling on the road surface on ice to the spike pin and ensuring high steering stability performance.
- FIG. 1 shows a developed view of a tread 12 of a studded tire (hereinafter simply referred to as “tire”) 10 according to the present embodiment.
- tire a studded tire
- the arrow S in FIG. 1 indicates the tire circumferential direction
- the lower side of the figure is the stepping side at the time of normal tire rotation
- the upper side of the figure is the kicking side at the time of normal tire rotation.
- the arrow X indicates the tire width direction
- the symbol CL indicates the tire equatorial plane.
- the side close to the tire equatorial plane CL along the tire width direction is the “inner side in the tire width direction”, the tire width.
- the side far from the tire equatorial plane CL along the direction is referred to as “the outer side in the tire width direction”.
- reference sign SE in FIG. 1 indicates a grounding end of the tread 12.
- the “grounding end” here means that the tire 10 is mounted on a standard rim stipulated in JATMA YEAR BOOK (Japan Automobile Tire Association Standard, 2013 edition), and applicable size and ply rating in JATMA YEAR BOOK.
- a plurality of circumferential grooves 14 extending in the tire circumferential direction and a plurality of intersecting grooves intersecting with the circumferential grooves 14 are formed on the surface (grounding portion) of the tread 12 of the tire 10.
- a first lug groove 16 and a second lug groove 18 are formed. More specifically, in the present embodiment, as an example, the two circumferential grooves 14 are provided in a zigzag shape along the tire circumferential direction and on both sides in the tire width direction across the tire equatorial plane CL.
- a central land portion 20 as a land portion is formed between the pair of circumferential grooves 14, and a shoulder land as a land portion on the shoulder portion side of the tread 12 on the outer side in the tire width direction of the circumferential groove 14.
- a portion 22 is formed.
- the first lug grooves 16 are formed in an arc shape extending at a predetermined pitch P in the tire circumferential direction from the ground contact edge SE to the inner side in the tire width direction and toward the stepping side, and at the inner side in the tire width direction near the tire equatorial plane CL.
- the end portion 16A is terminated.
- the first lug groove 16 intersects at the inflection point of the circumferential groove 14 and the circumferential groove 14, and from the intersection of the first lug groove 16 and the circumferential groove 14 in the first lug groove 16.
- a shallow groove 16 ⁇ / b> B which is a set of three, is formed in the inner portion in the tire width direction.
- These shallow grooves 16B extend from the tire width direction outer side to the stepping side to the tire width direction inner side and to the kicking side, and are terminated near the tire equatorial plane CL.
- the second lug groove 18 has the same pitch P as the first lug groove 16 in the tire circumferential direction, and the end of the second lug groove 18 on the ground contact end SE side and the first lug groove 16 on the ground contact end SE side.
- the end portion is formed at an interval of half the pitch P (P / 2) in the tire circumferential direction.
- the second lug groove 18 is formed in an arc shape extending from the ground contact end SE to the inner side in the tire width direction and to the stepping side in the same manner as the first lug groove 16, the second lug groove 18 The configuration of the end 18A is different.
- the second lug groove 18 is bent toward the first lug groove 16 at a position on the inner side in the tire width direction with respect to the circumferential groove 14, and the end 18 ⁇ / b> A of the second lug groove 18 is the first
- the lug groove 16 communicates with the first lug groove 16 at a position separated from the end portion 16 ⁇ / b> A by a predetermined distance.
- the central land portion 20 and the shoulder land portion 22 are partitioned by the first lug groove 16 and the second lug groove 18 formed as described above. Specifically, the central land portion 20 is partitioned by the first lug groove 16 and the second lug groove 18 so that the central land portion 20 has a plurality of centers at a predetermined pitch P along the circumferential groove 14. A block 24 is formed. Further, a central rib 26 that is continuous along the tire circumferential direction is formed at the central portion in the tire width direction of the central land portion 20.
- the shoulder land portion 22 is partitioned by the first lug groove 16 and the second lug groove 18 so that a plurality of shoulder blocks 28 are formed along the tire circumferential direction.
- the second lug groove 18 has a line-symmetric shape whose phase is shifted by half of the pitch P (P / 2).
- the tread pattern of the tire 10 is set to be line-symmetric with a phase shifted by half (P / 2) of the pitch P across the tire equatorial plane CL.
- the central rib 26 and the shoulder block 28 as a region K (FIGS. 3A and 3B) formed around a stud hole 32 as a stud mounting portion described later and a communication portion described later.
- a plurality of sipes 30 are formed at predetermined intervals in the tire circumferential direction, except for portions where the communication grooves 40 and 42 (FIGS. 3A and 3B) are formed.
- the shape of the sipe 30 is set in a zigzag shape extending in the tire width direction, but in FIGS. 1, 3A, and 3B, the sipe 30 is illustrated by a straight line so that the mutual relationship of each component can be easily understood. Show.
- the stud holes 32 formed at a plurality of locations in the central land portion 20 and the shoulder land portion 22 will be described.
- the stud holes 32 are set so that the arrangement pattern thereof is line-symmetric with a phase shifted by 1.5 times the pitch P (3P / 2) across the tire equatorial plane CL. Therefore, only the arrangement pattern of the stud holes 32 on one side in the tire width direction (the portion on the left side from the tire equatorial plane CL in FIG. 1) will be described with respect to the arrangement pattern of the stud holes 32.
- the arrangement pattern of the stud holes 32 in the central land portion 20 will be described.
- One stud hole 32 formed in the central block 24 is arranged in every other central block 24 among the central blocks 24 arranged in the tire circumferential direction.
- the stud hole 32 formed in the central rib 26 includes a shallow groove 16B formed on the most kicked side of the set of three shallow grooves 16B formed in the first lug groove 16, and the shallow groove 16B. Between the adjacent shallow groove 16B.
- One stud hole 32 formed in the shoulder block 28 is arranged in every other shoulder block 28 among the shoulder blocks 28 arranged in the tire circumferential direction.
- the stud holes 32 formed in the shoulder block 28 are arranged at a predetermined pitch P.
- the stud hole 32 arranged on the most stepped side is the first, and the distance in the tire circumferential direction from the first stud hole 32 to the Nth stud hole 32 is P (N ⁇ 1). Is set.
- the stud hole 32 formed in the central block 24 has the distance in the tire circumferential direction from the first stud hole 32 to the Mth stud hole 32, with the stud hole 32 arranged closest to the stepped side being the first. It is set to be 2P (M ⁇ 1).
- M 2P
- the stud hole 32 formed in the central rib 26 has a distance in the tire circumferential direction from the first stud hole 32 to the Lth stud hole 32, with the stud hole 32 arranged closest to the stepped side being the first. It is set to be 2P (L-1).
- the distance in the tire circumferential direction between the first stud hole 32 of the central block 24 and the first stud hole 32 of the shoulder block 28 is set to be SP (where 0 ⁇ S ⁇ 3).
- the distance in the tire circumferential direction between the first stud hole 32 of the central rib 26 and the first stud hole 32 of the shoulder block 28 is set to be TP (where 0 ⁇ T ⁇ 3).
- the shoulder block 28 having the largest ground contact pressure has the most stud holes 32.
- the distribution of the stud holes 32 can be adjusted according to the contact pressure.
- the stud hole 32 can be arrange
- the spike pin 34 attached to the stud hole 32 has a disk-like flange portion 34A, a cylindrical shaft portion 34B, and a circle having a smaller diameter than the shaft portion 34B. It is configured to include a columnar protrusion 34C.
- the stud hole 32 is formed in a shape into which the spike pin 34 can be inserted, and one end portion of the insertion portion 32 ⁇ / b> A through which the shaft portion 34 ⁇ / b> B of the spike pin 34 is inserted is open to the surface of the tread 12.
- the spike pin 34 is attached to the stud hole 32 so that the protrusion 34C is grounded.
- a non-grounding portion (low pressure portion) 38 is formed around the protrusion 34 ⁇ / b> C of the spike pin 34.
- the non-grounding portion 38 has a circular shape with an upper surface having the same diameter as the diameter D1 of the insertion portion 32A of the stud hole 32, and a lower surface having a circular shape with a diameter D2 centering on the tip of the protruding portion 34C.
- a frustoconical space The shape of the non-grounding portion 38 depends on the diameter D1 of the insertion portion 32A of the stud hole 32.
- the diameter D1 is set to 5 to 7 mm.
- the diameter D2 of the lower surface of the non-grounding portion 38 is approximately 12 mm.
- the communication groove 40 is formed around the stud hole 32 provided in the central block 24 and the central rib 26, and the communication groove 42 is provided around the stud hole 32 provided in the shoulder block 28. Is formed. That is, the communication groove 40 is applied to the central block 24 and the central rib 26 having a relatively small ground pressure in the tread 12, and the communication groove 42 is applied to the shoulder block 28 having a relatively large ground pressure in the tread 12. Has been.
- an example of the communication groove 40 and the communication groove 42 which are the main parts of the present invention will be described in detail.
- FIG. 3A shows an enlarged view of the central block 24 in which the stud holes 32 are formed.
- the communication groove 40 is formed in a rectangular shape extending in the tire circumferential direction in plan view, one on each of the stepping side and the kicking side of the stud hole 32, and its center line in the width direction And the axis of the insertion portion 32A of the stud hole 32 are arranged so as to intersect.
- One end portion 40A of the communication groove 40 terminates at a position on a circular region K having a radius R centered on the center of the insertion portion 32A in a plan view, that is, at a position separated from the stud hole 32 by a distance R.
- the other end 40 ⁇ / b> B of the communication groove 40 is communicated with the first lug groove 16 or the second lug groove 18.
- the other end portion 40B of the communication groove 40 disposed on the kicking side of the stud hole 32 is communicated with the first lug groove 16
- the other end 40 ⁇ / b> B of the communication groove 40 disposed on the stepping side is in communication with the second lug groove 18.
- the communication groove 40 provided in the central rib 26 is different only in the communication destination of the communication groove 40 provided in the central block 24 and the other end 40B. Specifically, among the other end portions 40B of the communication grooves 40 provided in the central rib 26, the other end portion 40B of the communication groove 40 disposed on the kicking side of the stud hole 32 is formed in the first lug groove 16. Of the three shallow grooves 16B, the shallow grooves 16B formed on the most kicking side are communicated. On the other hand, the other end portion 40B of the communication groove 40 arranged on the stepping side of the stud hole 32 communicates with the shallow groove 16B adjacent to the shallow groove 16B formed on the most kicking side.
- FIG. 3B shows an enlarged view of the shoulder block 28 in which the stud hole 32 is formed.
- the communication groove 42 is formed on the stepping side and the kicking side of the stud hole 32, respectively, and the shape of the communication groove 42 from the stud hole 32 side in the plan view is the first lug groove 16 or the second lug. It is set to a trapezoidal shape that is widened toward the groove 18 side.
- the peripheral edge portions 42A on both sides in the tire width direction of the communication groove 42 are set so as to be inclined 19 degrees outward in the tire width direction with respect to a straight line in the tire circumferential direction passing through the center of the stud hole 32.
- One end portion 42 ⁇ / b> B of the communication groove 42 terminates at a position in the region K like the communication groove 40, that is, at a position separated from the stud hole 32 by a distance R.
- the other end portion 42 ⁇ / b> C of the communication groove 42 is communicated with the first lug groove 16 or the second lug groove 18.
- the other end portion 42C of the communication groove 42 arranged on the kicking side of the stud hole 32 is communicated with the second lug groove 18, and the stud hole 32
- the other end 42 ⁇ / b> C of the communication groove 42 disposed on the stepping side is in communication with the first lug groove 16.
- the communication groove 42 is formed in a trapezoidal shape that is slightly smaller than the communication groove 42 in plan view, and an end portion on the stud hole 32 side is chamfered in an arc shape that protrudes toward the stud hole 32 side. A portion 44 is provided. Thereby, the communication groove 42 is branched into two branch grooves 42D. In other words, two branch grooves 42 ⁇ / b> D are formed on each of the kicking side and the stepping side of the stud hole 32.
- the width W of the communication groove 40 and the branch groove 42D is set to about 1.5 to 2.0 mm
- the depth of the communication groove 40 and the branch groove 42D (communication groove 42) is It is set to about 0.4 mm.
- the radius R of the region K is set to 4 mm.
- a thickness of 0.5 to 1.5 mm is secured between the insertion portion 32A of the stud hole 32 whose diameter D1 is set to 5 to 7 mm and one end of the communication grooves 40 and 42, and
- the diameter 2R of the region K is set to be shorter than the diameter D2 of the lower surface of the non-grounding portion 38 which is approximately 12 mm.
- the central land portion 20, the central rib 26 and the shoulder land portion 22 are formed by the plurality of circumferential grooves 14, the plurality of first lug grooves 16 and the plurality of second lug grooves 18 provided in the tread 12. Is partitioned.
- a stud hole 32 is formed in the central land portion 20, the central rib 26 and the shoulder land portion 22. For this reason, driving stability performance on the icy road surface 36 can be ensured by driving the spike pin 34 into the stud hole 32 and increasing the frictional force between the icy road surface 36 and the tire 10 when traveling on the icy road surface 36. it can.
- the communication grooves 40 and 42 are provided in the central land portion 20, the central rib 26 and the shoulder land portion 22 in which the stud holes 32 are formed, and the stud holes 32 are formed by the communication grooves 40 and 42.
- the first lug groove 16 or the second lug groove 18 is communicated from a position separated by a distance R from the first lug groove 16. For this reason, even if the ice powder excavated by the spike pin 34 during driving or braking adheres to the non-grounding portion 38, the ice powder passes from the non-grounding portion 38 through the communication grooves 40, 42 to the first lug groove 16. Or it is discharged into the second lug groove 18.
- one end portion 40A of the communication groove 40 and one end portion 42B of the communication groove 42 are terminated at a position over a circular region K having a radius R (4 mm),
- the diameter D2 of the lower surface of the non-grounding portion 38 is approximately 12 mm.
- the other end portion 40 ⁇ / b> B of the communication groove 40 and the other end portion 42 ⁇ / b> C of the communication groove 42 are communicated with the first lug groove 16 or the second lug groove 18. Therefore, when the tire 10 is in contact with the road surface 36 on the ice, the non-grounding portion 38 is in communication with the first lug groove 16 or the second lug groove 18.
- the ice powder adhering to the non-grounding portion 38 is pushed out to the first lug groove 16 or the second lug groove 18.
- the communication grooves 40 and 42 are provided on both sides of the stud hole 32 in the tire circumferential direction. For this reason, when the tire 10 is driven, the ice powder adhering to the non-grounding portion 38 around the spike pin 34 can be discharged into the lug groove on the kick-out side of the stud hole 32 and at the time of braking of the tire 10 (during locking). ), The ice powder can be discharged into the lug groove on the stepping side of the stud hole 32.
- the central block 24 when the tire 10 is driven, ice powder adhered to the non-grounding portion 38 is discharged to the first lug groove 16 on the kicking side of the stud hole 32, and when the tire 10 is braked, The ice powder is discharged into the second lug groove 18 on the stepping side of the stud hole 32. Further, at the center rib 26, when the tire 10 is driven, ice powder adhering to the non-grounding portion 38 is discharged to the shallow groove 16B on the kicking side of the stud hole 32, and when the tire 10 is braked, the ice powder is discharged. It is discharged into the shallow groove 16B on the stepping side of the stud hole 32.
- the distance R from one end of the communication grooves 40 and 42 to the stud hole 32 is set to the same distance on both sides of the stud hole 32 in the tire circumferential direction.
- the same wall is formed between the stud hole 32 and the kick-out side communication grooves 40 and 42 in the stud hole 32 and between the stud hole 32 and the step-side communication grooves 40 and 42 in the stud hole 32. Thickness can be ensured.
- the rigidity of the peripheral edge portion of the stud hole 32 can be ensured uniformly, and the ability to remove the spike pin 34 from the ice can be improved. That is, in the present embodiment, the rigidity of the peripheral edge portion of the stud hole 32 is secured, and hence the ability of the spike pin 34 to be removed from ice is improved.
- the same number of communication grooves 40 and 42 are provided on both sides of the stud hole 32 in the tire circumferential direction.
- the ice powder adhering to the non-grounding portion 38 can be discharged into the first lug groove 16 and the second lug groove 18 in the same manner during forward movement and backward movement.
- the width of the communication groove 40 provided in the central block 24 and the central rib 26 provided on the inner side in the tire width direction than the shoulder block 28 is equal to the width of the communication groove 42 provided in the shoulder block 28. It is narrower than the width of.
- the shoulder block 28 is formed with two branch grooves 42D having the same width as the communication groove 40 on the stepping side and the kicking side of the stud hole 32, the total width of the communication grooves 40 Is set to half the total width of the communication groove 42. For this reason, it is possible to secure a ground contact area in the central block 24 and the central rib 26 in which the communication groove 40 is formed, that is, in a portion where the ground pressure is small. Further, the volume of the communication groove 42 can be secured in the shoulder block 28 in which the communication groove 42 is formed, that is, in a portion where the ground contact pressure is high.
- the communication groove 40 is formed in the tire circumferential direction in a plan view.
- the communication groove 40 is clockwise or counterclockwise with respect to the tire circumferential direction in a plan view. You may incline around 10 degree
- the shape of the communication groove 40 can be made to correspond to various tread patterns.
- the island portion 44 is provided in the communication groove 42, but the island portion 44 may not be provided if sufficient rigidity around the communication groove 42 is obtained. Thereby, more ice powder can be discharged by the communication groove 42.
- the same number of communication grooves 40 are provided on the kicking side of the stud hole 32 and the stepping side of the stud hole 32, but the kicking side of the stud hole 32 and the stud hole 32 are not provided.
- a different number of lines may be provided on the stepping side.
- the radius R of the region K is set to 4 mm, but the region K is within a range that fits in the non-grounding portion 38 in plan view, and the insertion portion 32A of the stud hole 32 and the communication groove 40, The radius R may be appropriately changed within a range in which a sufficient thickness can be ensured between the one end of 42.
- the studded tire according to the embodiment (FIG. 1) and the studded tire according to the comparative example, that is, the studded tire that is different from the embodiment only in that the communication grooves 40 and 42 are not provided, are prototyped, and the braking performance is evaluated. It was. The results are shown in Table 1.
- the tire size of the studable tire used for the test is 205 / 55R16, and the number of stud holes per tire is 130 each.
- Brake performance was evaluated by measuring the time (braking time) from sudden braking to stopping of a test vehicle running at a constant speed of 20 km / h on an icy road, and indexing the reciprocal of the braking time.
- the braking performance index (INDEX) in Table 1 is an index with the braking time of the comparative example as 100, and the larger the value, the shorter the braking time and the better the braking performance.
- the dynamic friction coefficient ⁇ was compared between the studded tire according to the example and the studded tire according to the comparative example.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
Description
実施例に係るスタッダブルタイヤ(図1)と比較例に係るスタッダブルタイヤすなわち連通溝40、42が設けられていない点のみ実施例と異なるスタッダブルタイヤとを試作し、制動性能に関する評価を行った。その結果を表1に示す。試験に使用したスタッダブルタイヤのタイヤサイズは205/55R16で、タイヤ1本当たりのスタッド孔の数はそれぞれ130個である。
Claims (5)
- トレッドに設けられ、タイヤ周方向に延びる複数本の周方向溝と、当該周方向溝と交差する複数本の交差溝と、により区画される陸部と、
前記陸部に形成されたスタッド取付部と、
前記陸部のうち前記スタッド取付部が形成された陸部に設けられ、一端部が前記スタッド取付部から離間した位置で終端し、他端部が前記交差溝に連通された連通部と、
を有するスタッダブルタイヤ。 - 前記連通部は、前記スタッド取付部のタイヤ周方向両側に設けられている、
請求項1記載のスタッダブルタイヤ。 - 前記連通部の一端部から前記スタッド取付部までの距離は、当該スタッド取付部のタイヤ周方向両側で同じ距離に設定されている、
請求項2記載のスタッダブルタイヤ。 - 前記連通部は、前記スタッド取付部のタイヤ周方向両側で同じ本数設けられている、
請求項2又は請求項3記載のスタッダブルタイヤ。 - 前記トレッドのショルダー部よりもタイヤ幅方向内側の前記陸部における前記連通部の幅は、当該ショルダー部の前記陸部における前記連通部の幅よりも幅狭とされている、
請求項1~請求項4のいずれか1項に記載のスタッダブルタイヤ。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201580004702.XA CN105916705B (zh) | 2014-01-16 | 2015-01-14 | 防滑钉轮胎 |
EP15736946.3A EP3095619B1 (en) | 2014-01-16 | 2015-01-14 | Studdable tire |
RU2016133128A RU2657126C2 (ru) | 2014-01-16 | 2015-01-14 | Шипованная шина |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014005942A JP6258041B2 (ja) | 2014-01-16 | 2014-01-16 | スタッダブルタイヤ |
JP2014-005942 | 2014-01-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015108081A1 true WO2015108081A1 (ja) | 2015-07-23 |
Family
ID=53542968
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2015/050837 WO2015108081A1 (ja) | 2014-01-16 | 2015-01-14 | スタッダブルタイヤ |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3095619B1 (ja) |
JP (1) | JP6258041B2 (ja) |
CN (1) | CN105916705B (ja) |
RU (1) | RU2657126C2 (ja) |
WO (1) | WO2015108081A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017071837A1 (de) * | 2015-10-29 | 2017-05-04 | Continental Reifen Deutschland Gmbh | Fahrzeugluftreifen |
JP2020044863A (ja) * | 2018-09-14 | 2020-03-26 | 横浜ゴム株式会社 | 空気入りタイヤ、及びスタッドタイヤ |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102017207316A1 (de) * | 2017-05-02 | 2018-11-08 | Continental Reifen Deutschland Gmbh | Fahrzeugluftreifen |
JP6985896B2 (ja) | 2017-11-08 | 2021-12-22 | Toyo Tire株式会社 | 空気入りタイヤ |
JP6985895B2 (ja) * | 2017-11-08 | 2021-12-22 | Toyo Tire株式会社 | 空気入りタイヤ |
US11541694B2 (en) * | 2018-01-11 | 2023-01-03 | The Yokohama Rubber Co., Ltd. | Studdable tire and pneumatic tire |
JP7066515B2 (ja) * | 2018-05-17 | 2022-05-13 | Toyo Tire株式会社 | 空気入りタイヤ |
CN112351896B (zh) * | 2018-07-13 | 2023-06-02 | 倍耐力轮胎股份公司 | 用于车辆车轮的带防滑钉的轮胎 |
DE102019216539A1 (de) * | 2019-10-28 | 2021-04-29 | Continental Reifen Deutschland Gmbh | Kombination aus einem Fahrzeugluftreifen und Spikes sowie Fahrzeugluftreifen |
JP7393632B2 (ja) * | 2019-12-10 | 2023-12-07 | 横浜ゴム株式会社 | タイヤ |
EP4043245B1 (en) * | 2021-02-12 | 2024-06-26 | Sumitomo Rubber Industries, Ltd. | Tyre |
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WO2017071837A1 (de) * | 2015-10-29 | 2017-05-04 | Continental Reifen Deutschland Gmbh | Fahrzeugluftreifen |
RU2679034C1 (ru) * | 2015-10-29 | 2019-02-05 | Континенталь Райфен Дойчланд Гмбх | Пневматические шины транспортного средства |
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JP7151304B2 (ja) | 2018-09-14 | 2022-10-12 | 横浜ゴム株式会社 | 空気入りタイヤ、及びスタッドタイヤ |
Also Published As
Publication number | Publication date |
---|---|
RU2016133128A (ru) | 2018-02-14 |
CN105916705A (zh) | 2016-08-31 |
CN105916705B (zh) | 2017-09-22 |
JP2015134529A (ja) | 2015-07-27 |
EP3095619A4 (en) | 2017-01-18 |
EP3095619B1 (en) | 2018-06-06 |
RU2657126C2 (ru) | 2018-06-08 |
EP3095619A1 (en) | 2016-11-23 |
JP6258041B2 (ja) | 2018-01-10 |
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