Abstract: Disclosed are apparatus and methodologies for protecting tire electronics from electrical discharge damage during a tire inspection procedure. Aspects of different embodiments of the disclosed subject matter relate to various techniques for providing protection from high-voltage discharge for tire electronics devices. Exemplary techniques disclosed correspond to methodologies for preventing contact with a high-voltage source, controlling conditions produced by contact with high-voltage sources, or nullifying effects of contact with high-voltage sources.

Abstract: Static electricity in a vehicle is discharged to a road surface without deteriorating uniformity. Tread rubber 2G includes base portion 9 made of a non-conductive rubber which is disposed radially inward and extends continuously from one tread edge e1 side to the other tread edge e2 side, cap portion 10 made of a non-conductive rubber and disposed radially outward of the base portion 9 to form ground-contacting surface 2a, and conductive portion 11 made of a conductive rubber and having one end exposed on the ground-contacting surface 2a and the other end connected to sidewall rubber 3G electrically conductive with a rim when the tire is mounted on the rim. The cap portion 10 are divided into right and left and includes first cap portion 10A and second cap portion 10B.

Abstract: In a process for building tyres, a carcass structure which includes at least one carcass ply and a belt structure, is formed. Manufacture of the belt structure includes: forming a first portion of at least one cushion insert through spiralling of a continuous elongated element; forming at least one first belt layer in a radially external position to the first portion in such a manner that the first portion axially projects from one of the axially opposite side edges of the first belt layer, forming a second portion of the cushion insert through spiralling of a continuous elongated element in a radially external position to the side edge of the first belt layer and to a stretch of the first portion projecting from the side edge itself, so as to enclose the side edge between the first and second portions of the cushion insert.

Abstract: In accordance with the invention, there are media feeding assemblies and methods of making a roll of a media feeding assembly. The method can include providing a soluble carbon nanotube composition, providing a first elastomeric rubber composition, and mixing the soluble carbon nanotube composition with the first elastomeric rubber composition to form a composite rubber composition, such that the soluble carbon nanotubes are substantially uniformly dispersed in the composite rubber composition. The method can also include applying the composite rubber composition to a mold and curing the composite rubber composition to form a composite rubber tire, such that the substantially uniformly dispersed soluble carbon nanotubes in the composite rubber tire provide at least about 10% decrease in wear.

Abstract: A method of manufacturing a tyre for vehicle wheels, includes the following steps: a) building a carcass structure; b) building a belt structure; c) building a tread band; wherein at least one of the carcass structure, belt structure and tread band includes a tubular structure of elastomeric material; and d) shaping the carcass structure into a toroidal conformation to associate it with at least said belt structure by exerting a radial deformation force directed from the inside to the outside of the carcass structure. The method includes the following step, during execution of at least one of steps a), b) and c): e) building the tubular structure in such a manner that the profile thereof, along its circumferential extension, has such a starting thickness that the deformed tubular structure following step d) has a substantially uniform thickness.

Abstract: A method of cutting an elastomeric strip of material is described. The method includes the step of advancing a strip of material 2 a predetermined distance by a conveyor means 30. Resisting reverse movement of the strip 2; tensioning the strip 2; and cutting simultaneously across the entire width of the strip 2 through the thickness of the strip 2 on a skive angle of 45 degrees or less preferably about 28 degrees to form a cut length of material thereby relaxing the tension in the strip as the skive cut ends 3 and 4 move apart.

Abstract: A method for producing a vehicle wheel and wheel cover assembly comprising the steps of: (a) providing a wheel cover having an inner surface and an outer surface; (b) selectively applying at least one shot of a first adhesive material to a portion of the inner surface of the wheel cover to define a predetermined masked area; (c) providing a vehicle wheel having an outboard face; (d) positioning the wheel cover and the vehicle wheel relative to one another whereby at least one cavity is formed between the inner surface of the wheel cover, the outboard face of the vehicle wheel, and the masked area of the wheel cover defined by the first adhesive material; and (e) selectively applying a second adhesive material to the cavity to secure the wheel cover to the vehicle wheel.

Abstract: A system and method for the application of custom or personalized graphics to a tire sidewall. A flexible frame having graphics mounted thereto is temporarily attached adjacent the wheel rim of a mounted tire, thereby guiding the positioning of the graphics. The graphics are then permanently attached to the tire sidewall and the flexible frame is severed from the graphics.

Abstract: The invention concerns tires having a composite tread block which comprises a cured elastomer and from 0.1 to 10 parts per hundred parts by weight of the elastomer of fibers characterized as having a tenacity of at least 6 grams per dtex and a modulus of at least 200 grams per dtex. A major portion of said fibers are oriented in a direction such that noise arising from tire tread contacting the road surface is reduced.

Abstract: The present invention aims at improving balance and uniformity of a tire, with simplifying facilities, reducing space for the facilities and suppressing shape flows and generation of air bubbles. An extruder is provided for supplying rubber ribbon immediately after extrusion to a second molding drum, so that the rubber ribbon is spirally wound around the second molding drum plural times to structure a portion of tread (a cap layer), whereby the rubber ribbon which is relatively hot and soft is wound around the second molding drum. As a result, the rubber ribbon easily deforms compliant to the second molding drum. Further, no joint portion of starting and terminal ends as is observed in the prior art exists, whereby thickness of the tread is even in the circumferential direction.

Abstract: A method of processing a vehicle tyre and a thixotropic balancing substance (251, 261), comprising providing a first amount of the balancing substance (251, 261) to a first circumferential balancing area (250, 260) on an inner side of the vehicle tyre comprising distributing the first amount of the balancing substance on the first balancing area substantially uniformly; and a corresponding apparatus and system. In one embodiment a varnish layer comprising manoparticles (252, 262) is provided on the first circumferential balancing area (250, 260) to increase the movability of the thixotropic balancing substance (251, 261) on the balancing area (250, 260).

Abstract: There is provided a tire for an aircraft capable of enhancing abrasion resistance and effectively preventing a progress of peeling of the non-extensible cords of the main belt layers even when the tire suffers external injury reaching the main belt layers.

Abstract: A pneumatic tire provided with a pair of bead cores, a troidal-shaped carcass surrounding said bead cores, a tread rubber, a carcass, a plurality of belt layers reinforced by steel cords, wherein in at least one of said belt layers, the maximum value of deviation of an angle ?c of said steel cords is not greater than 3 degrees with respect to the angle made by said steel cords at the center in the tire width direction and the tire circumferential direction.

Abstract: In order to facilitate the assembly of a tire component like an Off the Road tire shoulder wedge, it is proposed to extrude this component with a high tack compound coating at its periphery by using a dual extruder which otherwise can extrude the tire component with a first high tack compound coating on one side, combined with an assembly for the extruder comprising a splice bar, a holder and a die which are designed to provide a channel deriving and guiding a portion of the high tack compound of the extruder to the stream of compounds before extrusion through the die, on a side opposite to the first coating, thereby providing a coating at almost the whole periphery of the component.

Abstract: A method of manufacturing a tire 2 includes the steps of (1) preparing a large number of reference plies 56, each of which includes a plurality of cords 48 arranged in parallel and a topping rubber 50, has a center portion 76 and a pair of side portions 78 and can be an element of a carcass ply 38, (2) bonding the reference ply 56 to the other reference ply 56, (3) forming a slit 68 extended in a transverse direction of the side portion 78 and dividing the side portion 78 into a plurality of small pieces 80, (4) partially overlapping the small piece 80 and the other small piece 80 with the side portion 78 provided along a side surface of a toroidal mold, (5) assembling the other member into the reference ply 56, thereby obtaining a raw cover, and (6) pressurizing and heating the raw cover in a mold.

Abstract: Provided are a pneumatic tire manufacturing method and a pneumatic tire capable of improving separation failure of a tire component member made of either a thermoplastic resin or a thermoplastic elastomer composition. The method and the pneumatic tire have the following configuration. A green tire is formed by radially expanding a carcass band 13 which is formed on a making drum 21 and which includes an annular tire component member 10 made of any one of a thermoplastic resin and a thermoplastic elastomer composition produced by blending a thermoplastic resin component and an elastomer component. The tire component member 10 is formed of plural layers 10A, 10B, 10C that are stacked on one another. After the inner-side layer 10A (10B) is attached, the making drum 21 is radially expanded by a predetermined amount and then the outer-side layer 10B (10C) is attached onto the inner-side layer 10A (10B).

Abstract: To form a tyre carcass, a body ply is wound about a drum, which has two half-drums movable axially in opposite directions to and from a centre plane of the drum, and having respective turn-up bladders, on each of which is laid a respective annular lateral portion of the body ply; each annular lateral portion being turned up about a respective bead bundle and onto a sidewall of a toroidal-shaped annular central portion of the body ply by inflating the relative turn-up bladder and controlling distension of a given annular portion of the turn-up bladder so that, when inflation is completed, the annular portion assumes a given final position, in which an intermediate portion of the turn-up bladder rolls outwards along the relative sidewall of the annular central portion of the body ply.

Abstract: In a process of manufacturing pneumatic tyres, a carcass sleeve is made which includes at least one carcass ply provided with axially opposite flaps turned up around annular anchoring structures, so as to form respective loops. An outer sleeve is positioned around the carcass sleeve and the latter is radially expanded in order to cause application of same against a radially internal surface of the outer sleeve. After each of the end flaps has been turned up and before radial expansion, only a portion belonging to each of the loops and extending substantially parallel to the respective annular anchoring structure is submitted to a step of carrying out heating under pressure, to make each loop integral with the annular anchoring structure and prevent the turned-up ply/plies from even partly slipping off, during the subsequent radial-expansion step of the carcass sleeve and vulcanisation step of the tyre.

Abstract: Provided are a pneumatic tire and a manufacturing method of the same capable of improving a separation failure at end portions of an inner liner layer made of either a thermoplastic resin or a thermoplastic elastomer composition. The pneumatic tire includes an inner liner layer made of either a thermoplastic resin or a thermoplastic elastomer composition obtained by blending a thermoplastic resin component and an elastomer component. The inner liner layer is provided on an inner side of the tire so as to face a tire cavity. A recessed portion is formed in an internal surface area of the tire where an end portion of the inner liner layer is located.

Abstract: A method for producing a steering wheel (10) including a multilayered decorative trim (16) comprises the following steps: providing a multilayered body composed of flat layers joined to each other, the body being bent transversely or perpendicular to the plane of the layers into a shape adapted to the geometry of a steering wheel body part (14), cutting off a thin arcuate decorative layer (26) from a lateral surface of the body, in particular essentially perpendicular to the bending axis, and adapting said decorative layer (26) to and applying it onto said steering wheel body part (14).

Abstract: Provided is a pneumatic tire and a manufacturing method therefor which allow a reduction in a cavity resonance sound without complicated manufacturing steps. A pneumatic tire of the present invention includes: a pair of bead portions; a carcass layer bridged between the pair of bead portions; and an inner liner layer disposed at a tire inner surface side of the carcass layer, the inner liner layer being made of a thermoplastic resin or a thermoplastic elastomer composition obtained by blending a thermoplastic resin with an elastomer. The inner liner layer has a laminated structure including multiple film layers having different melting points of the thermoplastic resin from each other. The film layer having the lowest melting point of the thermoplastic resin is foamed to form multiple convex portions in the tire inner surface.

Abstract: A process and an apparatus for manufacturing tyres for vehicle wheels, includes the step of building on a substantially cylindrical forming support a carcass structure including at least one carcass ply associated, at axially opposite end edges thereof, with respective annular anchoring structures. The step of building the carcass structure further includes the step of associating, at at least one end edge of said at least one carcass ply, at least one reinforcing structure including a predetermined number of reinforcing elements having a predetermined width and same length. The reinforcing elements are preferably obtained by cutting to size, with a predetermined cutting angle, a continuous band-like reinforcing element having a predetermined width. The reinforcing elements are arranged on the end edge of the carcass ply along a deposition path at a distance from one another having a value between 0 and a predetermined value.

Abstract: A method of manufacturing a pneumatic tire having an innerliner formed of thermoplastic elastomer. The method comprises the steps of: heating a surface of a tire building drum in advance; placing the innerliner on the heated surface of the tire building drum, the innerliner being cylindrically shaped and having a radially outer surface to which an adhesive has been applied; disposing uncured tire components radially outwardly of the innerliner to form a green tire; and curing the green tire.

Abstract: Two auxiliary support members are operatively engaged with a building drum, in axially approached relationship with respective halves of the drum itself, each auxiliary member having a circumferential rest surface extending in the continuation of an outer circumferential surface of the building drum itself. Applied around the outer circumferential surface of the building drum is at least one carcass ply having axially opposite end flaps each lying on the circumferential rest surface of the respective auxiliary support member. A pair of auxiliary shaping members engaged with the building drum in place of the auxiliary support members, each act against a circumferential abutment edge carried by the building drum, to enable the carcass ply to be shaped into a toroidal configuration concurrently with mutual approaching of the halves of the building drum.

Abstract: A method of preparing a tire inner surface includes providing an uncured tire having an inner surface, placing a strip of multi-axially stretchable blend film on a circumferential surface of the inner surface, wherein one end of the overlapped splice joined by a pressure-sensitive adhesive for easy removal of the strip from the inner surface, applying a release agent coating to the annular, circumferential film strip and the inner surface of the uncured tire, shaping and curing the uncured tire with the release coating on the annular circumferential film strip and inner surface in a suitable mold at an elevated temperature, removing the cured tire from the mold and allowing the cured tire to cool, and removing the annular circumferential film strip with its release coating by use of a film strip to provide a circumferential release coating-free tire inner surface of the cured tire for adhering balance pads, puncture sealants, and noise reduction foams.

Abstract: A pneumatic tire having a noise damper, a method for manufacturing the same, and a method for fixing the damper to the tire are disclosed. The inner surface of the tread portion of the vulcanized tire is buffed, and the noise damper is fixed to the buffed inner surface, using a double-sided adhesive tape which has specific characteristics such as adhesive force, tensile strength, thickness, cold-resistant property, heat-resistant property and water-resistant property.

Abstract: The invention enables to pressure-bond a carcass ply sheet pasted onto a rubber laminating member wound around a periphery of a building drum firmly along a recessed and projected shape of the rubber laminating member without producing a deformation or a warp of a carcass cord, by using a stitcher apparatus (20) constituted by arranging a plurality of pressure-bond rollers (25) having axis centers in a tangential direction of a concentric circle having a diameter larger than that of a building drum (D) in a peripheral direction by a plurality of rows and by a constant pitch by being respectively supported to be able to progressively displace to an inner side in a diameter direction, while moving the building drum (D) in an axial direction relative to the pressure-bond rollers (25) on an inner side of a circular arrangement of the pressure-bond rollers (25), a carcass ply sheet (16) is pressed by a predetermined pressure to pressure-bond over an entire periphery and simultaneously by the respective pressure-bo

Abstract: A process and apparatus for manufacturing tyres for vehicle wheels, includes building, on a toroidal support, a carcass structure including at least one carcass ply associated, at axially opposite end edges thereof, with annular anchoring structures, the building step of the carcass structure includes forming at least one reinforcing structure, operatively associated with the annular anchoring structures through deposition on the toroidal support of at least one reinforcing element along a predetermined curvilinear deposition path. The deposition of the at least one reinforcing element includes the steps of: cutting to size a piece of at least one reinforcing continuous band-like element fed by a feeding device along a predetermined feeding direction, deforming the piece obtained according to the curvature of a deposition part of the deposition path intended to receive the piece, and depositing the deformed piece at the deposition part.

Abstract: There is provided a method of producing a pneumatic tire having a hoop-and-loop fastener on the inner surface of the tire in which productivity can be improved and deterioration of uniformity can be avoided. The method of producing a pneumatic tire according to the present invention is a method of producing a pneumatic tire T having at least one hoop-and-loop fastener 12 provided along the circumferential direction of the tire on the inner surface of the tire, comprising the steps of forming on a building drum 21 a cylindrical first formed body 22 with the at least one hoop-and-loop fastener 12 intermittently attached to the radially inner surface thereof along the circumferential direction of the drum, forming a green tire by expanding the first formed body 22 into a toroidal shape to press the first formed body 22 against the inner peripheral side of an annular second formed body 24, and vulcanizing the green tire.

Abstract: A carcass ply is applied around an outer surface of a building drum, according to an application diameter greater than the fitting diameter of the tyre. An annular anchoring structure defining the fitting diameter is coaxially engaged around each of the end flaps. A n outer sleeve including at least one belt structure possibly associated with a tread band is disposed at a coaxiaily centred position around the carcass sleeve applied onto the building drum. Through axial approaching of two halves forming the building drum, the carcass sleeve is shaped into a toroidal configuration to determine application of same against a radially internal surface of the outer sleeve.

Abstract: In the invention, at least a tire outer circumferential side portion of a tread portion is formed of a non-conductive rubber layer. The non-conductive rubber layer is formed by winding and laminating a non-conductive rubber ribbon along a tire circumferential direction. A conductive layer is provided on an outer circumference of the non-conductive rubber ribbon, and the conductive layer continuously and spirally extends along the tire circumferential direction, and is exposed on a tread surface from a bottom surface of the non-conductive rubber layer toward a tire outer circumferential side. Accordingly, an electricity generated in a vehicle body is discharged to a road through the conductive layer. Since the conductive layer is scattered within the non-conductive rubber layer and exposure on the tread surface is preferably secured, it is possible to achieve an excellent conductivity.

Abstract: A pneumatic tire in which, in employing as an air-impermeable layer a film formed of a thermoplastic resin or a thermoplastic elastomer component obtained by blending a thermoplastic resin with an elastomer, separation of the film during tire production is prevented; and a process for producing the same. The pneumatic tire is obtained by disposing a film closer to a tire cavity than a carcass layer, disposing a first rubber layer closer to the tire cavity than the film so as to cover the film, and disposing ends, in the width direction, of the first rubber layer outward of ends, in the width direction, of the film, the film being formed of a thermoplastic resin or a thermoplastic elastomer composition obtained by blending a thermoplastic resin with an elastomer.

Abstract: The present invention provides a method for manufacturing a pneumatic tire, the method enabling a sound-absorbing member to be easily mounted on the tire with an improved fixation of the sound-absorbing member onto an inner surface of the tire. The method for manufacturing a pneumatic tire of the present invention includes the steps of: forming a green tire including an inner liner layer and a sound-absorbing member, the inner liner layer disposed in an inner surface of the tire and made of any one of a thermoplastic resin and a thermoplastic elastomer composition obtained by dispersing an elastomer in a thermoplastic resin, the sound-absorbing member fixed onto the inner liner layer and made of a porous material; and thereafter curing the green tire.

Abstract: An improved pneumatic tire with a porous layer that is fixedly attached to a tire inner surface with improved fixation strength, suitable for effectively reducing a cavity resonance noise generated within a space defined by the tire and rim. To realize such a pneumatic tire, according to the invention, the porous layer (9) is fixedly attached to the tire inner surface through an impregnated layer (10), which is impregnated in the porous layer over part of the thickness of the porous layer.

Abstract: A manufacturing method of a rubber member for a tire includes a winding step in which a rubber strip is spirally winding and overlapping around a surface of a to-be wound body, thereby forming a tire rubber member around which the rubber strip is overlapped. A plurality of air-vent grooves are formed on at least one of surfaces of the rubber strip. Each air-vent groove extends at an angle ? of 20 to 90° with respect to the longitudinal direction of the rubber strip, the maximum groove width of the air-vent groove is 0.3 to 3.0 mm, and the maximum groove depth thereof is 0.1 to 3.0 mm.

Abstract: A method for manufacturing a tire and a tire curing mold, capable of preventing a failure that the turned-up portion is moved apart from the main portion of the carcass of a green tire on a rigid core, are provided. Each bead-holding ring to hold the bead portion 11 of a green tire 10 from the lateral outside, is assembled onto the rigid core prior to preheating the green tire 10.

Abstract: Provided is a process of manufacturing a pneumatic tire, which prevents blisters from being raised on a cylindrical thermoplastic resin film due to an air pocket even in a case where the cylindrical thermoplastic resin film is used as an air permeation preventive layer. Provided is the manufacturing process suitable for a heavy-duty pneumatic tire in particular. The process of manufacturing a pneumatic tire includes: covering the making drum 20 with a cylindrical thermoplastic resin film 6; winding an uncured rubber sheet member 7 as a tie rubber around the thermoplastic resin film 6; and winding a carcass layer 5 around the rubber sheet member 7. The process is characterized in that the rubber sheet member 7 is wound in the circumferential direction of the tire at least twice.

Abstract: Provided is a method of producing a pneumatic tire where occurrence of blisters caused by trapped air is prevented even if a thermoplastic resin film is used as an air permeation prevention layer. The method includes: wrapping a thermoplastic resin film (6) around a making drum (20); winding an unvulcanized tie-rubber sheet (7) on the thermoplastic resin film (6) in a manner that a winding start portion (7a) and a winding end portion (7b) of the tie-rubber sheet (7) are overlapped with each other; and thereafter winding a carcass layer (5) on the tie-rubber sheet (7). In the method, an unvulcanized auxiliary rubber sheet (9) is bonded onto the winding start portion (7a) of the tie-rubber sheet (7) so as to project in a circumferential direction, and then the tie-rubber sheet (7) is wound in a manner that the winding end portion (7b) of the tie-rubber sheet (7) is stacked on the auxiliary rubber sheet (9).

Abstract: Within tyre manufacturing, a reinforcing structure of the tyre, such as a zero-degree layer of the belt structure, is made by an apparatus including devices for guiding a continuous elongated element toward a forming drum; devices for applying the elongated element against a laying surface of the drum; and a cutting unit to cut off the continuous elongated element when application has been completed. Once the cutting operation has been carried out, the free end of the continuous elongated element is set to a grip position downstream of the cutting unit through a reciprocating slider and a threading element blocking the continuous elongated element with respect to the slider when the latter moves toward the forming drum.

Abstract: A method of moulding and curing tires for vehicle wheels includes the steps of disposing a tire being processed on a toroidal support, enclosing the tire and the toroidal support inside a moulding cavity defined in a vulcanization mould, pressing the outer surface of the tire against the moulding cavity walls, and administering heat to the tire to cause molecular crosslinking of the tire. The pressing step includes the steps of compressing side portions of the tire between the moulding cavity walls and the outer surface of the toroidal support, concurrently with the closing step, and imposing an expansion to a radially-outer portion of the tire to bring the radially-outer portion of the tire against the walls of the moulding cavity.

Abstract: A pneumatic tire having a puncture preventive layer formed by windingly sticking a tube having seal material wrapped therein to the tire inner surface circumferentially of the tire and continuously and spirally with its side surfaces closely contacted each other: or a pneumatic tire having a puncture preventive layer formed by sticking micro balloons having seal material wrapped therein to the tire inner surface with their sides closely contacted with each other.

Abstract: This disclosure relates to a vulcanizable layered composition comprising at least two layers and at least one tie layer, wherein the first layer of the two layers comprises an fluid permeation prevention layer, the second layer of the two layers comprises at least one high diene rubber, and the tie layer comprises a mixture of: (1) about 50 to about 100 weight % of at least one halogenated isobutylene containing elastomer; (2) about 0 to about 50 weight % of at least one high diene elastomer; (3) about 20 to about 50 weight % of at least one filler; (4) about 0 to about 30 weight % of at least one processing oil; (5) about 1 to about 20 parts per hundred (phr) of at least one tackifier; and (6) at least about 0.

Abstract: In a method for forming a green tread rubber comprised of a cap rubber layer which outer surface forms a tread surface and a base rubber layer that adjoins the same inside thereof in the radial direction, a cap rubber having a rubber component of styrene/butadiene rubber or being a mixed rubber of natural rubber and butadiene rubber is used as the cap rubber layer. The base rubber layer is formed as an annular body in which a strap-like rubber extruded body of wide width, which is extruded from a rubber extruder and is cut into constant size, is wound around a molding drum by a single round with their end portions in a circumferential direction being joined with each other. The cap rubber layer is formed as a strip layered body in which a long strap-like rubber strip of narrow width, which is extruded from an rubber extruder, is successively wound by overlapping the same on the annular body in the circumferential direction and in a spiral manner.

Abstract: The present invention provides a method of manufacturing a pneumatic tire, which can prevent an air pocket from being generated in a vicinity of a spliced portion of a sheet member (B) to be attached to an inner liner, even in the case of using, as the inner liner, a sheet member (A) made of a composition containing a resin component. The method includes a step of laminating a sheet member (A) and a sheet member (B) while being pressed on a making drum. The sheet member (B) is made of a rubber composition, and has two end portions in the circumferential direction overlapped and spliced with each other. In the method, a cut line of each end of the sheet member (B) in the circumferential direction has a vertex in the intermediate point in the width direction of the sheet member (B). Moreover, the cut line is displaced in the opposite direction to the rotational direction of the making drum as extending from the vertex to each of the right and left edges in the width direction.

Abstract: A rubber-reinforced structure comprises a composite member comprising a resin member and a rubber member being directly bonded to the resin member without any adhesive, wherein the resin member and the rubber member form a tire. The composite member can be obtained by bringing a resin member into contact with an unvulcanized rubber composition in the following combination, and vulcanizing the unvulcanized rubber: (i) a combination of a rubber composition containing a radical-generating agent, and a resin composition containing a thermoplastic resin having at least two active atoms (a hydrogen atom or a sulfur atom) on the average per molecule, each atom having an orbital interaction energy coefficient S of not less than 0.

Abstract: Provided is a method of producing a pneumatic tire, which prevents occurrence of blisters caused by trapped air when a thermoplastic resin film is used as an air permeation prevention layer, and particularly, a method suitable for producing a heavy-duty pneumatic tire. The method of producing a pneumatic tire includes: wrapping a thermoplastic resin film 6 around a making drum 20; winding an unvulcanized tie-rubber sheet 7 on the thermoplastic resin film 6; splicing a winding start portion and a winding end portion of the tie-rubber sheet with each other; and thereafter winding a carcass layer on the tie-rubber sheet 7. In the method, a splice of the tie-rubber sheet is made to be a butt-splice, and an unvulcanized auxiliary rubber sheet 9 is interposed between the tie-rubber sheet 7 and the thermoplastic resin film 6, along a joint 7c of the butt-splice.

Abstract: A method for producing a pneumatic tire according to the present invention can use existing facilities without change and does not make the spliced parts of an inner liner easily opened even if the tire is produced with use of an inner liner having a low adhesion. In a method for producing a pneumatic tire having steps of winding an inner liner 8? around a tire building drum 21 to form a cylindrical body, the cylindrical body is formed by attaching a winding-starting end 8?a of the inner liner 8? to the building drum 21 via an uncured tacky member 9?, winding the inner liner 8? attached to the building drum 21 around the building drum21, and splicing a winding-finishing end side of the wound inner liner 8? with the winding-starting end 8?a of the inner liner 8? via the uncured tacky member 9?.

Abstract: A method for manufacturing a pneumatic tire, including the steps of intermittently crimping volume adjusting members on both side sections of a sheet inner liner material in a longitudinal direction thereof beforehand, winding the inner liner material on an outer peripheral side of a forming drum, winding a sheet carcass material on an outer peripheral side of the inner liner material, forming an unvulcanized tire containing the inner liner material and the carcass material, and vulcanizing the unvulcanized tire. The volume adjusting members are intermittently arranged in a tire circumferential direction between the inner liner material and the carcass material.

Abstract: A tire comprising at least one reinforcement structure of carcass type anchored on either side of the tire in a bead, the base of which is intended to be mounted on a rim seat, each bead being extended radially outward by a sidewall, the sidewalls extending radially towards outward to join a tread, the reinforcement structure extending circumferentially from the bead towards said sidewall, an anchoring zone for the reinforcement structure, said tire furthermore comprising an anti-vibration means arranged circumferentially in the junction zone of the shoulder and the sidewall.

Abstract: A pneumatic tire having an air permeation preventive layer formed by adhering a resin film containing thermoplastic resin as a main component thereof to a tire inner wall surface, wherein the resin film is laminated, as a narrow width slit film shape, with an elastomer and the resultant ribbon-shaped laminate is continuously and spirally wound in a tire circumferential direction so that the edges thereof partially overlap to thereby form the air permeation preventive layer, whereby a pneumatic tire having a light weight and superior air permeation preventive property, no splice openings of the air permeation preventive layer at the time of tire processing, and capable of shortening the processing time can be obtained as well as the production method thereof.