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WO/2008/056508A1 |
A pneumatic tire that realizes enhancements of abrasion resistance and braking performance while maintaining its anti-overturn capacity. Tread face (11) is composed of central arc (31), shoulder-side arc (32) and shoulder-area arc (33). ...
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WO/2008/047939A1 |
A pneumatic tire having a pair of bead sections (1) in which bead cores (2) are embedded, a pair of side wall sections extending from the bead sections (1) to the outer side in the radial direction of the tire, and a carcass (5) formed a...
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WO/2008/047938A1 |
A pneumatic tire having appropriately constructed reinforcement layers. The construction prevents separation between a carcass and rubber and also prevents pull-out of the carcass from a bead section to increase durability of the bead se...
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WO/2008/046430A1 |
Process for manufacturing a tyre, comprising the following steps: (a) winding at least one metal wire so as to form a plurality of coils, said coils being radially superimposed and axially arranged side-by-side with respect to one anothe...
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WO/2008/044289A1 |
A pneumatic tire that can be manufactured according to a conventional process not requiring any special tire manufacturing step and not needing any addition of material members and process steps, and that not only excels in rolling resis...
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WO/2008/044288A1 |
Provided is a pneumatic tire, which can be manufactured by the conventional method requiring neither a special tire manufacturing process nor an addition of a member or process, which is excellent in rolling resistance and wet performanc...
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WO/2008/044410A1 |
A rubber composition for clinch apex comprising, blended with 100 parts by weight of rubber component containing 10 to 50 wt.% of natural rubber and/or isoprene rubber and 50 to 90 wt.% of butadiene rubber exhibiting a Mooney viscosity o...
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WO/2008/013075A1 |
This invention provides a heavy-duty pneumatic tire which can prevent a deterioration caused by oxidation of a bead portion in its area, where a high level of heat generation occurs, and is excellent in persistence/durability of the inne...
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WO/2008/007562A1 |
A rubber composition for bead apex comprising a diene rubber, a phenolic resin and/or modified phenolic resin, sulfur, hexamethylenetetramine, a vulcanization accelerator and at least one vulcanization accelerator auxiliary selected from...
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WO/2008/001162A1 |
In a tyre for vehicle wheels, each of the two annular anchoring structures (4) comprises at least two annular reinforcing inserts (11, 11a, 11b, 11c), each of them being made up of at least one first elongated element (12) and at least t...
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WO/2008/001773A1 |
A run flat tire having reinforced rubber layers (9a, 9b) disposed in the side wall parts has an annular swollen part (10) and an annular second bead (1b). The annular swollen part (10) is formed on the outer side, in the lateral directio...
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WO/2007/147686A1 |
The invention relates to vehicle tyres having emergency properties, characterised in that at least one reinforcing profile (9) is introduced into a region of each side wall. The reinforcing profile (9b) on the wall facing the exterior of...
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WO/2007/141073A1 |
The invention relates to a vehicle pneumatic tire with run-flat characteristics, consisting of a profiled tread (1), multilayered belting (2), an air-tight inner layer (4), a carcass (3) wound around high-tensile strength cores (S) and c...
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WO/2007/141011A1 |
The present invention concerns a device (30) allowing cars to continue running with flat or under-inflated tyres. The device is placed in the interior of the cavity and all around the rotary axis of a set (1) formed by a tyre (20) mounte...
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WO/2007/134556A1 |
A chamber (1) that works as a peristaltic pump for the pressure correction in the tire (4), which is a part of the tire (4) or of an ancillary structure (6) placed between the rim (7) and the tire bead (4) and is connected with the tire ...
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WO/2007/136055A1 |
Provided is a pneumatic tire, which is drastically suppressed in the change of driving stability against a speed change, a temperature environment change or the like at a running time. The pneumatic tire is constituted of a tread portion...
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WO/2007/134743A1 |
The invention concerns a tyre comprising at least one carcass-type reinforcing structure (6) anchored on either side of the tyre in a bead (4), said anchor including a ply turn-up of said carcass-type reinforcing structure around a bead ...
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WO/2007/134744A1 |
The invention concerns a tyre comprising at least one carcass-type reinforcing element (6) anchored on either side of the tyre, said anchor including a ply turn-up of said carcass-type reinforcing structure around a bead core (15) so as ...
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WO/2007/132653A1 |
A rubber composition for bead apexes which comprises: 100 parts by weight of a rubber ingredient comprising 30 wt.% or more natural rubber; 20-120 parts by weight of silica; and 5-80 parts by weight of graphite. It is less harmful to the...
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WO/2007/129638A1 |
A pneumatic tire comprises a bead APEX rubber (8) having rubber hardness (Hs1) of 80-95 and extending radially outward from a bead core (5), a clinch rubber (9) having rubber hardness Hs2 of 65-85 lower than the rubber hardness Hs1 and f...
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WO/2007/129501A1 |
Disclosed is a bead wire which has the following chemical composition: Mn: 5 to 35 at%; and Al: 5 to 20 at%, with the remainder being Fe and unavoidable impurities, and has an austenite single-phase structure as the steel texture. In the...
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WO/2007/124969A1 |
The invention relates to a vehicle pneumatic radial tire with a tread part (2), a belt (3), bead regions with bead cores (6) and core profiles (7, 7') and with a carcass (1) made with at least one layer, which radially encircles the bead...
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WO/2007/123060A1 |
Disclosed is a rubber composition characterized by containing 2-20 parts by mass of a phenol resin and 0.5-5 parts by mass of a curing agent for resins per 100 parts by mass of a rubber component which contains not less than 50% by mass ...
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WO/2007/123081A1 |
In producing a wire for bead cords, a steel wire is first descaled. Subsequently, the steel wire descaled is subjected to a chemical conversion coating treatment by electrolysis to form a phosphate coating film on the steel wire. This st...
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WO/2007/116857A1 |
A bead cord (9) has an annular core (10) and a single line of side wire (11) spirally wound for multiple times in one layer around the annular core (10). The annular core (10) is formed by a twisted wire (13) formed by two core wires (12...
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WO/2007/104378A1 |
The invention relates to a vehicle tyre comprising a tread part, provided with a bead region which is radially formed inside the tread part and comprises a bead core (6), a bead filler (7) formed radially outside the bead core, and a bea...
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WO/2007/102441A1 |
Provided are a method of manufacturing a tire having bead sections with considerably increased durability that is achieved by accurately arranging tire constituting members and with manufacturing efficiency maintained at a high level, an...
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WO/2007/094281A1 |
A pneumatic tire comprises a carcass layer formed of a body part and a folded part. The pneumatic tire meets the following requirements: (a) The aspect ratio is 80% or less. (b) The cords forming the folded part are arranged at an angle ...
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WO/2007/087970A1 |
Motorcycle wheel (1), which comprises a rim (2) with juxtaposed shoulders (9) delimiting a channel (6) and a tyre (7) which can be fitted in the channel (6) by means of beads (8) placed behind the corresponding shoulders (9) and retainin...
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WO/2007/082595A1 |
Vehicle tyre - in particular vehicle pneumatic tyre - with a running strip (2), with a fastening region formed radially within the running strip for securing the vehicle tyre on a correspondingly designed seat surface of a rim, and with ...
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WO/2007/083440A1 |
This invention provides a pneumatic tire that has been improved in durability by preventing the oxidation degradation of a belt layer. In the pneumatic tire, a cord layer formed of a plurality of cords is disposed between an air permeati...
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WO/2007/077786A1 |
A rubber composition for chafers which improves hardness and elongation at break to thereby improve the durability of a bead part and can inhibit chafer chipping during detachment from the rim. The rubber composition for chafers contains...
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WO/2007/072924A1 |
A pneumatic tire comprises a bead portion and a carcass layer. The bead portion includes an inner bead core and an inner bead filter located on the inside when it is attached to a vehicle, and an outer bead core and an outer bead filler ...
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WO/2007/042119A1 |
The invention relates to a vehicle tire comprising an air-impermeable inner layer (3), sidewalls (2), and a rubber-coated carcass insert (4) which extends about tension-proof bead cores (6) in the bead areas. At least one core profile (8...
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WO/2007/030284A1 |
A tire (100) , which has a maximum section width (Wm) , an upper section (U) above the maximum section width (Wm) , and a lower section (L) below the maximum section width (Wm) , includes a tread (102) extending circumferentially about t...
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WO/2007/030286A1 |
A tire (100), which has a maximum section width (Wm), an upper section (U) above the maximum section width (Wm), and a lower section (L) below the maximum section width (Wm), (100) includes a circumferential tread (102), a pair of sidewa...
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WO/2007/024804A1 |
A pneumatic tire comprising a body (12) , a tread (16) , a pair of bead assemblies (20) disposed in the lower section of the body (12) , where said bead assemblies (20) include a bead core (24) and a bead filler (22) , and a pair of side...
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WO/2007/021284A1 |
An elastomeric tire for mounting onto a rim that is manufactured by casting or molding methods to include an exterior arch shaped cavity that is centered under and is below the tire tread to have at least one hundred forty (140) degrees ...
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WO/2007/015341A1 |
A pneumatic radial tire for heavy load capable of effectively preventing the separation of a rubber chafer from occurring in the area thereof corresponding to a bead heel part. The pneumatic radial tire (10) for heavy load comprises a be...
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WO/2007/009596A1 |
The invention relates to a tyre (1) for a vehicle wheel, comprising: a zone for anchoring (9) the reinforcing structure (7) in a bead (4), whereby the reinforcing structure (7) is folded back around the bead wire (8); a support zone (10)...
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WO/2007/003246A1 |
The invention relates to a vehicle tyre, in particular for a passenger vehicle, with a radial construction. Said tyre comprises a single-ply or multi-ply carcass insert with reinforcing supports consisting of steel cord or a material of ...
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WO/2007/000992A1 |
Connection is facilitated by preventing shift, lowering of strength, and deterioration in balance of the connection member of a lateral-line wire. A columnar metallic material is pressed inward from the opposite sides using a pointed pun...
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WO/2006/134969A1 |
A method for manufacturing a pneumatic tire so formed that the end parts of carcass plies are held by a bead wire structure, wherein the structure of a device for sticking ply cords on the outer surface of a core rigid body is simplified...
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WO/2006/133905A1 |
The invention provides a tire adapted for continued mobility in a substantially deflated condition comprising an inner carcass structure (5) and an outer carcass structure (6), a reinforced summit (14), sidewall portions (13) joining sai...
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WO/2006/134776A1 |
A pneumatic tire capable of improving overturning characteristics while maintaining steering stability, wherein a tread face (11) is formed of a center circular arc part (31) and shoulder side circular arc parts (32) and (33). A value ob...
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WO/2006/128494A1 |
The present invention concerns a tire comprising: a carcass structure (CS) comprising at least one carcass ply, said carcass structure (CS) comprising a crown portion and two axially opposite side portions terminating in beads (B) for mo...
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WO/2006/129709A1 |
An annular concentric stranded bead cord having an annular core, which cord is imparted with stable corrosion resistance over a long term at a low cost. The surface of a steel wire in an annular core (1) is applied with a corrosion-resis...
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WO/2006/122930A1 |
The invention relates to a tire for a heavy vehicle comprising a radial carcass reinforcement over which a working crown reinforcement is placed, the carcass reinforcement comprising at least one ply of reinforcing elements anchored in e...
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WO/2006/112407A1 |
A pneumatic tire for a motorcycle increased in durability by a tread part formed of a rubber strip laminated body and a method of manufacturing the tire. The pneumatic tire (1) comprises the tread part (5) formed of the rubber strip lami...
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WO/2006/100872A1 |
This invention provides a heavy-load tire that is excellent in air holding properties and durability of a bead part and can withstand long-term use. In the heavy-load tire, an air shutoff layer having a thickness of not more than 1 mm an...
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