WO2011069924A1 - Bande de roulement de pneumatique renforcee par de courtes fibres orientees et croisees entre elles - Google Patents
Bande de roulement de pneumatique renforcee par de courtes fibres orientees et croisees entre elles Download PDFInfo
- Publication number
- WO2011069924A1 WO2011069924A1 PCT/EP2010/068881 EP2010068881W WO2011069924A1 WO 2011069924 A1 WO2011069924 A1 WO 2011069924A1 EP 2010068881 W EP2010068881 W EP 2010068881W WO 2011069924 A1 WO2011069924 A1 WO 2011069924A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- tread
- fibers
- layer
- reinforcing fibers
- short reinforcing
- Prior art date
Links
- 239000000835 fiber Substances 0.000 title claims abstract description 40
- 239000012783 reinforcing fiber Substances 0.000 claims abstract description 29
- 229920001971 elastomer Polymers 0.000 claims abstract description 20
- 239000005060 rubber Substances 0.000 claims abstract description 18
- 239000002131 composite material Substances 0.000 claims abstract description 6
- 239000004760 aramid Substances 0.000 claims description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 claims description 5
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 5
- 230000002787 reinforcement Effects 0.000 claims description 5
- 229920003207 poly(ethylene-2,6-naphthalate) Polymers 0.000 claims description 4
- -1 polyethylene terephthalate Polymers 0.000 claims description 4
- 229920006231 aramid fiber Polymers 0.000 claims description 3
- 229920003235 aromatic polyamide Polymers 0.000 claims description 3
- 239000004953 Aliphatic polyamide Substances 0.000 claims description 2
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 2
- 229920000742 Cotton Polymers 0.000 claims description 2
- 229920003189 Nylon 4,6 Polymers 0.000 claims description 2
- 229920002302 Nylon 6,6 Polymers 0.000 claims description 2
- 239000004642 Polyimide Substances 0.000 claims description 2
- 229920000297 Rayon Polymers 0.000 claims description 2
- 229920003231 aliphatic polyamide Polymers 0.000 claims description 2
- 239000004917 carbon fiber Substances 0.000 claims description 2
- 239000003365 glass fiber Substances 0.000 claims description 2
- 229920000728 polyester Polymers 0.000 claims description 2
- 229920001721 polyimide Polymers 0.000 claims description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 2
- 235000019422 polyvinyl alcohol Nutrition 0.000 claims description 2
- 239000002964 rayon Substances 0.000 claims description 2
- 229920002678 cellulose Polymers 0.000 claims 1
- 239000001913 cellulose Substances 0.000 claims 1
- 235000013311 vegetables Nutrition 0.000 claims 1
- 239000000463 material Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000004753 textile Substances 0.000 description 2
- 238000012384 transportation and delivery Methods 0.000 description 2
- 206010001488 Aggression Diseases 0.000 description 1
- 229920003043 Cellulose fiber Polymers 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 229920000271 Kevlar® Polymers 0.000 description 1
- 229920001410 Microfiber Polymers 0.000 description 1
- 230000016571 aggressive behavior Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003490 calendering Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000012784 inorganic fiber Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003658 microfiber Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
- B60C11/0306—Patterns comprising block rows or discontinuous ribs
-
- 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
- B60C2011/145—Discontinuous fibres
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24058—Structurally defined web or sheet [e.g., overall dimension, etc.] including grain, strips, or filamentary elements in respective layers or components in angular relation
- Y10T428/24124—Fibers
Definitions
- the present invention relates to an improvement of treads for tires intended to equip heavy goods vehicles; it relates in particular to the sculpture of these treads.
- This invention is particularly, but not exclusively, intended to be implemented for radial carcass tires and intended for steering axles of heavy vehicles. However, it can also be used for non-steering axles of heavy goods vehicles as well as for off-road vehicles such as agricultural machinery (forestry) or for civil engineering machinery.
- Such tires generally comprise a carcass reinforcement radially outwardly surmounted by a crown belt, itself covered with a tread.
- This tread is provided with a tread formed essentially of ribs of generally circumferential orientation delimited by grooves of the same orientation or blocks delimited by circumferential grooves and transverse grooves or a combination of blocks and ribs. Axially a tread is delimited by edge ribs.
- the present invention proposes to solve the technical problem exposed by allowing to avoid or at least to delay and strongly limit the eraser tear edge ribs, or even the bottom of the groove injury of a guide groove general circumferential load, which may result from severe stress such as climbing or lowering a sidewalk or impacting a sidewalk or other obstacles on the road surface or running surface without changing the geometry of the tread .
- the invention proposes to increase the shear modulus of the elastomeric material which constitutes the tread of the tire by at least a factor of three. reinforcing the gum by short fibers oriented substantially +/- 45 ° to a radial direction of the tire casing and thereby transforming it into a laminated composite material.
- US Patent 1746948 discloses a cross-ply tire tread comprising an elastomeric web comprising long textile fibers wound around a rubber core, these long fibers being inclined with respect to the surface of the tread and are flush with said running surface to form points of attachment to the roadway and thus prevent or delay the slippage of the tire on wet or slippery pavement.
- US Pat. No. 3,057,389 describes a tread of a passenger tire or a cross-ply tire having grooves of longitudinal general orientation and continuous relief in the circumferential direction, the rubber constituting the entire tread. being constituted by a stack of rubber plies reinforced with short textile fibers parallel to each other to increase the resistance of the tire to centrifugal forces tending to cause its destruction at high speed.
- the short fibers oriented parallel to each other may be arranged in the circumferential direction in a plane parallel to a plane tangential to the running surface and in the direction OX (OX being the direction circumferential) or be crossed with each other in a plane parallel to a plane tangential to the running surface and in the direction OY (OY being the direction of the axis of rotation) or the short fibers oriented parallel to each other and arranged in the direction circumferential in a plane parallel to a plane tangential to the running surface and in the direction OX may be between two sheets of short fibers crossed together in a plane parallel to a plane tangential to the running surface and in the direction OY respectively disposed above and below the web comprising the short circumferentially oriented fibers.
- Patent Application WO 2008/027045-A1 discloses a tread for a passenger tire and for a heavy-weight tire having grooves of longitudinal general orientation and a continuous relief in the circumferential direction and teaches that the use for the gum constituting the continuous circumferential ribs of plies or thin layers of rubber reinforced with short glass microfibers parallel to each other and being oriented circumferentially in the direction OX, or oriented in a plane YOZ (that is to say in a perpendicular plane) to the running surface of the tread containing a direction parallel to the direction of the axis of rotation and a direction perpendicular to the axis of rotation oriented according to the thickness of the relief in the direction OZ), are transversely oriented in a direction OY, are oriented substantially at + 45 ° or - 45 ° in a plane XOZ, or oriented at 45 ° in a plane X OY, provides a good compromise of properties, namely increased stiffness without penalizing, or even improving,
- the invention relates to a tire tread provided with a running surface intended to be in contact with a road surface, this tread comprising a tread formed by relief elements separated from one another by grooves, this tread being formed by a rubber consisting of thin layers of rubber stacked against each other, each thin layer comprising short reinforcing fibers parallel to each other in the layer and oriented unidirectionally in the plane of the layer according to the same angle.
- the tread is characterized in that the thin layers are stacked against each other so that the short fibers are crossed between them from one layer to the next.
- the short reinforcing fibers are thus alternately oriented symmetrically from one layer to the adjacent layer in the circumferential direction at an angle ranging in absolute value from 10 ° to 80 ° with respect to a radial direction in the plane of the layer.
- the short fibers are oriented at an angle ranging in absolute value from 30 ° to 60 ° with respect to a radial direction in the plane of the layer.
- the orientation of the short reinforcing fibers may vary in the plane of intersection and not be symmetrical. Similarly a variation of the crossing angle can also be made in the circumferential direction (in a direction tangent to the circumferential direction).
- the short reinforcing fibers are alternately oriented from one layer to the adjacent layer circumferentially at an angle of substantially + 45 ° and -45 ° over the entire width of the tread.
- substantially equal to an angular value, it is necessary to understand an angle that may be different from this angular value of at most 3 ° in absolute value.
- each thin layer reinforced with short fibers is inclined relative to a radial direction (direction perpendicular to the running surface) of an angle at most equal to 45 °.
- the natural or synthetic organic or inorganic fibers known to those skilled in the art and commercially available such as, for example, cotton, rayon, cellulose fibers
- aromatic polyamide fibers such as aramid fibers, for example Kevlar® fibers sold by the company Dupont de Nemours, of aliphatic polyamides such as nylon 46 and nylon 66, made of polyester, polyethylene terephthalate (PET), polyethylene naphthalates (PEN), polyimides, polyvinyl alcohols, carbon fibers, glass fibers.
- the short reinforcing fibers are aramid. May also be suitable for short length wires.
- the reinforcing fibers may have a length equal to or less than 10 mm, advantageously ranging from 5 ⁇ m to 10 mm and preferably ranging from 3 mm to 8 mm, a mean diameter ranging from 0.2 ⁇ m to 0.1 mm, their section may to be circular or not, they may or may not be hollow.
- the fiber content in the gum constituting each layer of oriented fibers can range from 0.1% to 45% by weight of the rubber and preferably from 0.5% to 10% by weight of the rubber.
- any range of values designated by the expression “between a and b” represents the range of values greater than the value a and lower than the value b (ie, limits a and b excluded). while any range of values designated by the expression “from a to b” represents the range of values from the value a to the value b and including the terminals a and b.
- the tires comprising a tread according to the invention are preferably radial carcass reinforcement and particularly intended to equip the steering axles of heavy goods vehicles intended for use related to a regional market for the delivery of goods. They may also be used for non-steering axles of heavy goods vehicles (tractors and trailers), for off-road vehicles such as agricultural (forestry) machinery or for civil engineering equipment operating very often on lots of obstacles or foreign bodies to be crossed and subjecting the tires has large shear forces or other transport or handling vehicles.
- the invention also relates to a tire envelope comprising a tire tread having the characteristics defined above.
- An advantageous embodiment of a tire casing comprising a tread according to the invention consists, thanks to a calendering using a cylindrical tool, to produce unvulcanized elastomer plates containing the short reinforcement fibers, then to cut these plates and to extradite them by means of a micro nozzle to make strips of elastomer in which the short reinforcing fibers are oriented in the direction of the extrasion.
- the tread is then obtained by superposition on a rotary forming drum of several layers, preferably four, strips juxtaposed and alternately arranged at + (plus) or - (minus) 45 °; this stack is then cut in the circumferential direction to produce a number of semifinished product profiles corresponding to the number (n) of rib (s) of reinforced circumferential general orientation (s) chosen for the element (s) in relief of the tread, which sections are contiguously arranged on the raw tire itself arranged on the tire building drum.
- FIG. 1 shows two thin layers each layer comprising fibers oriented either with an angle or with the opposite angle (this stack is noted in the following manner layer + and layer -);
- Figure 2 shows a partial view of a sculpture of a tire tread according to the invention for which the entire strip is formed by a plurality of thin layers + and -;
- Figure 3 shows a plan view of a tread according to the invention that only the edge portions are reinforced with thin layers
- Figure 4 shows an alternative tread according to the invention, the blocks are formed of thin layers.
- FIG. 1 shows two successive layers C1, C2 of rubber material reinforced by short fibers oriented in each layer at a positive angle A, called the layer (+) or at a negative angle B, called the layer. (-).
- FIG. 2 shows an alternative embodiment of a tire according to the invention.
- This tire for a heavy vehicle comprises a tread 1 having a running surface formed by the surfaces radially outwardly of the various elements in relief of which said band is provided.
- the tread is provided with two circumferential grooves 21, these grooves 21 delimiting an intermediate rib 32 and two edge ribs 31, these ribs being circumferentially continuous.
- the tread is formed of a composite material comprising a very large number of layers C1, C2 stacked against each other, each layer being either a layer having short reinforcing fibers oriented at an angle A (layer +) or a layer having short fibers oriented at an angle B (- layer).
- the layers are stacked against each other so that the short reinforcing fibers of each layer are crossed with each other and the stack of layers is made in the circumferential direction (indicated by the arrow T in the figure ).
- Each layer comprises a rubber material in which a plurality of PET short fibers of length equal to 3 mm and of diameter equal to 12 ⁇ m are embedded. the fiber density of each layer is 2% by weight.
- the aramid fiber has also been tested. In the present case, all the short fibers are of the same nature and of the same orientation in absolute value in each layer C1, C2.
- the grooves of this tires have newer depths greater than the average length of the short reinforcing fibers (as a rule, the depths of the truck tire grooves are at least 10 mm).
- Figure 3 shows a variant of the invention according to which, a tread comprises three circumferential grooves delimiting intermediate ribs 32 and edge ribs 31. The latter are located axially at the edge of the tread and they are formed in a composite material as defined by the invention.
- the layers (+) and the layers (-) are arranged so as to make on the rolling surface an angle C with a direction tangent to the circumferential direction (represented by the arrow T in FIG. 2).
- this angle C is, with the sign, the same on both edges and equal to 30 °.
- the tread acquires a kind of directionality by the arrangement of the layers of materials reinforced by short fibers.
- the two intermediate rows between the edge rows are formed in homogeneous materials not reinforced by short fibers.
- FIG. 4 shows another variant of tire according to the invention for which its tread comprises a plurality of blocks 4 delimited by circumferential and transverse grooves 22.
- Each block 4 is formed of a composite material resulting from the stacking in the transverse direction of layers C1, C2 reinforced with short reinforcing fibers, these layers being stacked against each other, so as to alternate the layers having short fibers oriented at a positive angle (+) and the layers having short fibers oriented at a negative angle (-).
- some blocks may be formed by a stack of the same direction as that shown in Figure 3 and the others according to a steering stack as shown in Figure 4.
- the examples described here show thin layers diposées against each other in a radial direction, that is to say not inclined relative to a direction perpendicular to the axis of rotation of the tire.
- the invention covers the variants according to which these thin layers may have a small inclination other than zero with a radial direction to generate, for example, a directional effect.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
- Reinforced Plastic Materials (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201080055843.1A CN102753366B (zh) | 2009-12-08 | 2010-12-03 | 利用短的定向并交叉的纤维增强的轮胎胎面 |
EA201290472A EA021640B1 (ru) | 2009-12-08 | 2010-12-03 | Протектор шины, армированный короткими и ориентированными перекрещивающимися волокнами |
IN4970DEN2012 IN2012DN04970A (fr) | 2009-12-08 | 2010-12-03 | |
US13/514,555 US20120312439A1 (en) | 2009-12-08 | 2010-12-03 | Tire tread reinforced with short oriented and crossed fibers |
EP10784819.4A EP2509805B1 (fr) | 2009-12-08 | 2010-12-03 | Bande de roulement de pneumatique renforcee par de courtes fibres orientees et croisees entre elles |
BR112012013567A BR112012013567A8 (pt) | 2009-12-08 | 2010-12-03 | Banda de rodagem de pneumático reforçada por curtas fibras orientadas e cruzadas entre si |
JP2012542476A JP5859453B2 (ja) | 2009-12-08 | 2010-12-03 | 短い配向且つクロス掛け繊維で補強されたタイヤトレッド |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0958729A FR2953456B1 (fr) | 2009-12-08 | 2009-12-08 | Bande de roulement de pneumatique renforcee par de courtes fibres orientees et croisees entre elles |
FR09/58729 | 2009-12-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011069924A1 true WO2011069924A1 (fr) | 2011-06-16 |
Family
ID=42272097
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2010/068881 WO2011069924A1 (fr) | 2009-12-08 | 2010-12-03 | Bande de roulement de pneumatique renforcee par de courtes fibres orientees et croisees entre elles |
Country Status (9)
Country | Link |
---|---|
US (1) | US20120312439A1 (fr) |
EP (1) | EP2509805B1 (fr) |
JP (1) | JP5859453B2 (fr) |
CN (1) | CN102753366B (fr) |
BR (1) | BR112012013567A8 (fr) |
EA (1) | EA021640B1 (fr) |
FR (1) | FR2953456B1 (fr) |
IN (1) | IN2012DN04970A (fr) |
WO (1) | WO2011069924A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016104815A1 (fr) | 2014-12-26 | 2016-06-30 | Compagnie Generale Des Etablissements Michelin | Pneumatique ayant une bande de roulement comprenant une composition de caoutchouc comprenant des fibres courtes |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2408629A1 (fr) * | 2009-03-20 | 2012-01-25 | E. I. du Pont de Nemours and Company | Composition du pavé d'une bande de roulement de pneumatique |
KR101481460B1 (ko) * | 2013-04-23 | 2015-01-12 | 한국타이어 주식회사 | 타이어 트레드용 고무 조성물 및 이를 이용하여 제조한 타이어 |
KR101492444B1 (ko) * | 2013-04-23 | 2015-02-11 | 한국타이어 주식회사 | 타이어 트레드용 고무 조성물 및 이를 이용하여 제조한 타이어 |
FR3015350B1 (fr) | 2013-12-23 | 2016-08-05 | Michelin & Cie | Procede de rechapage d'une enveloppe de pneumatique au moyen d'un rouleau |
EP3040217A1 (fr) * | 2014-12-29 | 2016-07-06 | Compagnie Generale Des Etablissements Michelin | Pneu présentant une bande de roulement avec des fibres insérées |
FR3045629B1 (fr) * | 2015-12-22 | 2018-01-05 | Compagnie Generale Des Etablissements Michelin | Materiaux composites a base de melanges fibres orthotropes orientes pour le couplage mecanique |
FR3051720A1 (fr) * | 2016-05-31 | 2017-12-01 | Michelin & Cie | Bande de roulement de pneumatique pour vehicule lourd de type genie civil |
FR3051719A1 (fr) * | 2016-05-31 | 2017-12-01 | Michelin & Cie | Bande de roulement de pneumatique pour vehicule lourd de type genie civil |
CN106633236A (zh) * | 2016-12-28 | 2017-05-10 | 德轮橡胶股份有限公司 | 一种阻燃轮胎橡胶材料 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1746948A (en) | 1924-07-22 | 1930-02-11 | Edward F King | Fabric and method of making the same |
US3057389A (en) | 1960-02-25 | 1962-10-09 | Firestone Tire & Rubber Co | High speed tire |
WO2008027045A1 (fr) | 2006-08-31 | 2008-03-06 | Societe De Technologie Michelin | Composition élastomère possédant des microfibres de verre |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1948311A (en) * | 1931-12-14 | 1934-02-20 | Gen Tire & Rubber Co | Vehicle tire |
US2476786A (en) * | 1943-10-01 | 1949-07-19 | Wallis Leonard Francis | Formation of rubber treads on vehicle tires |
JP2800943B2 (ja) * | 1989-10-02 | 1998-09-21 | 住友ゴム工業 株式会社 | 空気入りタイヤ |
JPH0757539B2 (ja) * | 1993-02-05 | 1995-06-21 | 住友ゴム工業株式会社 | スノー用タイヤの製造方法 |
JPH0761211A (ja) * | 1993-06-17 | 1995-03-07 | Sumitomo Rubber Ind Ltd | 空気入りタイヤ |
EP0780245B1 (fr) * | 1995-12-22 | 2001-12-05 | Bridgestone Corporation | Bandage pneumatique |
US5866265A (en) * | 1996-03-08 | 1999-02-02 | The Goodyear Tire & Rubber Company | Rubber article having a surface design for high abrasion resistance |
JPH10129214A (ja) * | 1996-11-01 | 1998-05-19 | Sumitomo Rubber Ind Ltd | オフロードタイヤ用トレッド |
US20020069948A1 (en) * | 2000-12-07 | 2002-06-13 | Sentmanat Martin Lamar | Polymeric product containing precisely located and precisely oriented ingredients |
JP3822477B2 (ja) * | 2001-09-27 | 2006-09-20 | 住友ゴム工業株式会社 | 空気入りタイヤ及びその製造方法 |
DE10208273B4 (de) * | 2002-02-26 | 2007-04-19 | Daimlerchrysler Ag | Reifen, insbesondere Luftreifen, für Fahrzeuge |
CA2491190C (fr) * | 2004-02-03 | 2013-02-12 | The Goodyear Tire & Rubber Company | Pneu avec semelle en caoutchouc pourvue d'anneaux avec proprietes physiques progressives |
JP2007055336A (ja) * | 2005-08-23 | 2007-03-08 | Bridgestone Corp | 二輪車用空気入りタイヤ |
US20100154948A1 (en) * | 2008-12-22 | 2010-06-24 | Goodyear Tire & Rubber Company | Tire tread with groove reinforcement |
-
2009
- 2009-12-08 FR FR0958729A patent/FR2953456B1/fr not_active Expired - Fee Related
-
2010
- 2010-12-03 EA EA201290472A patent/EA021640B1/ru not_active IP Right Cessation
- 2010-12-03 BR BR112012013567A patent/BR112012013567A8/pt not_active IP Right Cessation
- 2010-12-03 US US13/514,555 patent/US20120312439A1/en not_active Abandoned
- 2010-12-03 JP JP2012542476A patent/JP5859453B2/ja not_active Expired - Fee Related
- 2010-12-03 WO PCT/EP2010/068881 patent/WO2011069924A1/fr active Application Filing
- 2010-12-03 EP EP10784819.4A patent/EP2509805B1/fr not_active Not-in-force
- 2010-12-03 CN CN201080055843.1A patent/CN102753366B/zh not_active Expired - Fee Related
- 2010-12-03 IN IN4970DEN2012 patent/IN2012DN04970A/en unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1746948A (en) | 1924-07-22 | 1930-02-11 | Edward F King | Fabric and method of making the same |
US3057389A (en) | 1960-02-25 | 1962-10-09 | Firestone Tire & Rubber Co | High speed tire |
WO2008027045A1 (fr) | 2006-08-31 | 2008-03-06 | Societe De Technologie Michelin | Composition élastomère possédant des microfibres de verre |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016104815A1 (fr) | 2014-12-26 | 2016-06-30 | Compagnie Generale Des Etablissements Michelin | Pneumatique ayant une bande de roulement comprenant une composition de caoutchouc comprenant des fibres courtes |
Also Published As
Publication number | Publication date |
---|---|
EA201290472A1 (ru) | 2013-01-30 |
CN102753366B (zh) | 2015-04-01 |
CN102753366A (zh) | 2012-10-24 |
BR112012013567A2 (pt) | 2017-03-01 |
JP2013512826A (ja) | 2013-04-18 |
FR2953456B1 (fr) | 2011-12-09 |
FR2953456A1 (fr) | 2011-06-10 |
EA021640B1 (ru) | 2015-07-30 |
EP2509805B1 (fr) | 2014-02-26 |
US20120312439A1 (en) | 2012-12-13 |
BR112012013567A8 (pt) | 2018-01-02 |
EP2509805A1 (fr) | 2012-10-17 |
IN2012DN04970A (fr) | 2015-09-25 |
JP5859453B2 (ja) | 2016-02-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP2509805B1 (fr) | Bande de roulement de pneumatique renforcee par de courtes fibres orientees et croisees entre elles | |
EP3310589B1 (fr) | Pneumatique avec un sommet comportant une nappe de rigidification et une bande de roulement à forte adhérence | |
EP3642046B1 (fr) | Roue non-pneumatique comprenant une structure de renfort circonferentielle | |
EP2533988A1 (fr) | Pneumatique pour vehicules a deux roues comportant une bande de roulement presentant des incisions | |
WO2009077476A1 (fr) | Pneumatique allege comportant une structure de carcasse non radiale | |
EP3724002A1 (fr) | Roue non-pneumatique | |
FR3037531A1 (fr) | Pneumatique avec un sommet comportant un element de renforcement et une bande de roulement a forte adherence | |
FR3068916A1 (fr) | Pneumatique a sous-couche de bande de roulement affleurante en fond de sillon et elements de renforcement en caoutchouc de haut module integres a la bande de roulement | |
WO2009077477A1 (fr) | Pneumatique radial allege | |
CA3163256A1 (fr) | Architecture optimisee de pneumatique de type poids-lourd, agricole ou genie civil | |
EP4065386B1 (fr) | Pneumatique comportant une bande de roulement constituee de plusieurs melanges elastomeriques | |
WO2009077475A1 (fr) | Pneumatique allege comportant une couche de sommet radialement interieure a la structure de carcasse | |
WO2017093673A1 (fr) | Pneumatique avec une bande de roulement comportant un renforcement circonferentiel | |
WO2022123131A1 (fr) | Pneumatique comportant une bande de roulement comportant au moins une couche d'elements de renforcement textiles | |
FR3037530A1 (fr) | Pneumatique avec un sommet comportant une nappe de renforcement et une bande de roulement a forte adherence | |
EP4065384A1 (fr) | Armature de sommet de pneumatique constituee de deux couches de sommet de travail et d'une couche d'elements de renforcement circonferentiels | |
EP4259457A2 (fr) | Pneumatique dont la bande de roulement comporte des fibres orientees | |
WO2021079051A1 (fr) | Armature de sommet pour pneumatique de type metropolitain | |
EP4065385A1 (fr) | Pneumatique comportant une bande de roulement constituee de plusieurs melanges elastomeriques | |
EP3802086A1 (fr) | Procédé de fabrication d'une couche de rigidification pour la fabrication d'un bandage pneumatique renforcé | |
CA3195454A1 (fr) | Pneumatique comportant une bande de roulement constituee de plusieurs melanges elastomeriques | |
EP2219886A1 (fr) | Vehicule dont les pneumatiques comportent des flancs renforces | |
FR3042440A3 (fr) | Pneumatique avec un sommet comportant une nappe de rigidification et une bande de roulement a forte adherence |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 201080055843.1 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 10784819 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 4970/DELNP/2012 Country of ref document: IN |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2012542476 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2010784819 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 201290472 Country of ref document: EA |
|
WWE | Wipo information: entry into national phase |
Ref document number: 13514555 Country of ref document: US |
|
REG | Reference to national code |
Ref country code: BR Ref legal event code: B01A Ref document number: 112012013567 Country of ref document: BR |
|
ENP | Entry into the national phase |
Ref document number: 112012013567 Country of ref document: BR Kind code of ref document: A2 Effective date: 20120605 |