Abstract: A process for demounting a tire P, and a tread-bearing support S internal thereto, from an integral mounting rim J, which comprises first and second rim seats, the two rim seats being inclined towards the outside and extended axially to the outside by projections of low height. The process includes the steps of inserting, into a lubricated gap between the toe of the first bead Bo and the corresponding rim seat, a demounting insert I in the form of a portion of a circular ring of triangular meridian section of small dimensions, and then ejecting the first bead Bo from the rim J before or simultaneously with the ejection of the tire/support assembly.

Abstract: Process for producing a pneumatic tire that includes an inner liner of a layer that is as air-impermeable as possible, at least one carcass ply provided with strength supports, horn profiles, bead cores, sidewalls, a belt assembly, and a tread. The process includes building-up a partial tire in a production part A, where the partial tire includes at least a carcass body that includes the at least one carcass ply provided with the strength supports, bead reinforcements and cores, core fillers and horn profiles, and an undertread, and shaping and at least partially vulcanizing the partial tire under an internal pressure in a vulcanization mold in a first vulcanization procedure. The process also includes determining a cross-sectional contour for a completed tire and an amount of surface and strength supports to be added to the partial tire prior to a production part B, and building-up the partial tire in the production part B by adding remaining tire components to produce a complete tire.

Abstract: A tire drum turret having an outboard support and direct drive of the frame with adjustable drum shaft bearings for precise positioning of the drums.

Abstract: The run-flat tire (10) of this invention includes spaced apart bead areas (30) having a unique design to include first (34) and second (36) bead fillers adjacent a bead core (32). The second bead filler (36) is bounded by the first bead filler (34) and bead core (32). The method for manufacturing the tire to eliminate voids at the bead core (32) of the cured tire is also provided. The bead fillers are made to be resilient so that the tire can be easily mounted on a rim, particularly improving the ability to mount a run-flat tire (10) on a rim (80). The bead core (32) and fillers (34, 36) are designed for helping to sustain the run-flat tire (10) on the rim (80) with a loss of inflation pressure and to improve the running performance of the tire.

Abstract: A method and apparatus for applying a tread band onto a tire carcass of a tire which is to be fabricated or a tire which is to be retreaded are provided and include feeding a tread band onto the tire carcass via a tread band feed device while the tire carcass is rotated and in conjunction with the pressing of the tread band against the tire carcass by a pressing device. The tread band has a shorter length before its application onto the tire carcass than its length following the application thereof onto the tire carcass. A tension force is exerted on the tread band via at least one clamp clamped on the rearward end of the tread band to produce thereby a constant tension in the tread band.

Abstract: A structure and a method for supplying a bead-with-filler automatically to a tire molding machine are provided. The structure comprises a bead-with-filler preset apparatus for presetting a filler to an annular bead; a bead supply apparatus positioned at an upper stream side of the bead-with-filler preset apparatus for supplying the annular bead to the bead-with-filler preset apparatus; a bead-with-filler supplying apparatus positioned at a down stream side of the bead-with-filler preset apparatus for supplying the bead-with-filler to a tire molding machine; and a transfer apparatus for transferring the bead and the bead-with-filler having a catching section. The transfer apparatus turns for positioning the catching section at each delivery position of the bead supply apparatus, the bead-with-filler preset apparatus and the bead-with-filler supply apparatus.

Abstract: Means for measuring deviation measures a vertical deviation of a green tire from circularity while the green tire is clamped by a green tire building drum. The green tire to be formed is shaped into a complete circle according to the measured value.

Abstract: A module (1) used for the manufacture of tires, comprising an inflatable flexible bladder (10) provided with two beads (11) which is used for the assembling and vulcanization of the tire on the bladder, each bead being anchored on a plate (30, 31). The module (1) has at least one rigid wall mounted on a plate (30, 31) which is adjacent said flexible bladder (10) when the latter is inflated and can be retracted so as to be able to separate the tire from said module (1) after vulcanization and can be spread out radially so as to constitute a reference surface for the assembling of the tire.

Abstract: The present invention proposes a machine for the manufacture of tires on a core 1 which is used for the manufacture of said tires from the start of the assembling until the vulcanizing. The machine comprises, arranged adjacent to each other on a frame 5, a tire assembly station 2 comprising means for forming the raw tire by depositing the different compounds on the core 1 in the order and place required by the architecture of the tire, a vulcanization station 3, and a support handling station 4, as well as a crane 7 for transporting the core 1 between the different stations.

Abstract: A tire assembly method and apparatus are disclosed which utilize at least two rotatable turrets (16, 18) that each have two drums (26, 28, 58, 60) and at least one transfer unit (156) for transferring tire components from one turret to another. The preferred embodiment of the invention features three turrets (16, 18, 20) and two transfer units (156, 170), wherein a carcass band is assembled on the drums of a first turret (16) the tread package is assembled on a third turret (20), and the complete tire carcass is assembled on a second turret (18), in between the first and third turrets. Simultaneous, continuous and sequential building and assembly of tire carcass bands and tread packages for a plurality of tires is provided by the method and apparatus of this invention.

Abstract: A method of forming a complete carcass of a tire, whereby an inner carcass (5) of the tire, formed on a collapsible forming device (2) supporting the beads (8) of the inner carcass (5), is inserted, together with the collapsible forming device (2), inside a toroidal body (19) supporting, internally, an outer carcass (9); is made to adhere to the outer carcass (9) to form the complete carcass; is clamped with respect to the toroidal body (19) by means of a pair of fastening rings (24) fitted laterally to the toroidal body (19) and having radial arms (26) for supporting and clamping the two beads (8); and, finally, is detached from the forming device (2) by collapsing and extracting the forming device (2) from the toroidal body (19).

Abstract: The present invention proposes a machine for the manufacture of tires on a core 1 which is used for the manufacture of sa8d tires from the start of the assembling until the vulcanizing. The machine comprises, arranged adjacent to each other on a frame 5, a tire assembly station 2 comprising means for forming the raw tire by depositing the different compounds on the core 1 in the order and place required by the architecture of the tire, a vulcanization station 3, and a support handling station 4, as well as a crane 7 for transporting the core 1 between the different stations.

Abstract: Means for measuring deviation measures a vertical deviation of a green tire from circularity while the green tire is clamped by a green tire building drum. The green tire to be formed is shaped into a complete circle according to the measured value.

Abstract: After a carcass band is elastically deformed temporarily into a standing wave shape, a bead core is located at a predetermined position on the outside of the carcass band. The elastic deformation of the carcass band is eliminated, and the carcass band is pressed against the inner peripheral surface of the bead core to form a first assembly. The first assembly is held by a first transfer from the outside, and an inner liner band of cylindrical shape with an outside diameter smaller than the inside diameter of the first assembly, is located at a predetermined position in the first assembly. The inner liner band is expanded and pressed against the inner peripheral surface of the first assembly to form a second assembly. Then, a third assembly composed of a sidewall, chafer and the like of cylindrical shape and having an outside diameter smaller than the inside diameter of the second assembly, is located at a predetermined position in the second assembly.

Abstract: A method and apparatus for manufacturing a tire in which the sidewalls overlap the ends of the tread band. The method comprises the steps of inserting an extensible tubular releasing element around the carcass plies at each end of an assembly drum, wrapping the sidewalls on these elements, applying another tubular element on the sidewalls, and overturning the tubular elements to spread apart the sidewalls in an open position aside of the assembly drum. The carcass, in the form of a first-step cylindrical sleeve comprising open sidewalls, is transferable to a (second-step) forming drum to be torically formed against a separately prepared assembly comprising the belt pack and the tread band. Next, the band ends are turned down onto the toric carcass and the sidewalls are folded back against the carcass and over the ends of the tread band.

Abstract: A low-section profile pneumatic radial tire comprising a radial carcass, a belt, a tread rubber and a pair of sidewall rubbers and having an aspect ratio of not more than 55% is manufactured by using a green tire built through first and second building steps, in which an uncured inner sidewall rubber segment and an uncured outer sidewall rubber segment are previously and separately provided so as to correspond to an inner portion and an outer portion parted from each sidewall rubber of a tire after vulcanization in a radial direction thereof satisfying that an end of a parting face located on an outer surface of the sidewall rubber is not more than 1/2 of a section height of the tire and the uncured inner sidewall rubber segment is stuck at the first building step and the uncured outer sidewall rubber segment is stuck at the second building step.

Abstract: An apparatus for manufacturing an assembly of an annular bead wire core and a surrounding ring of filler material attached thereto comprising at least one former, typically mounted on a turntable, and a number of stations. At a first station, rubber-coated bead wire is wound around the former to produce the annular bead wire core. At a second station, the ring of filler material is arranged over the previously wound rubber-coated wire core to form the bead core assembly and at a third station the bead core assembly is unloaded from the former. Conveniently the former(s) is(are) moved from station to station by indexing movement of the turntable.The invention also relates to a method of manufacturing a tire bead core assembly.

Abstract: A method of loading a green tire on a bladderless tire vulcanizer of the inside gripping type and an apparatus thereof, in which both bead portions of the green tire can be inserted into respective bead rings of a mold accurately and reliably.

Abstract: A method of forming a radial tire. After a carcass band is elastically deformed temporarily into a standing wave shape, a bead core is located at a predetermined position on the outside of the carcass band. The elastic deformation of the carcass band is eliminated, and the carcass band is pressed against the inner peripheral surface of the bead core to form a first assembly. The first assembly is held by a first transfer from the outside, and an inner liner band of cylindrical shape with an outside diameter smaller than the inside diameter of the first assembly, is located at a predetermined position in the first assembly. The inner liner band is expanded and pressed against the inner peripheral surface of the first assembly to form a second assembly. Then, a third assembly composed of a sidewall, chafer and the like of cylindrical shape and having an outside diameter smaller than the inside diameter of the second assembly, is located at a predetermined position in the second assembly.

Abstract: An improved transfer ring for use in vehicle tire making equipment wherein the carcass of the tire and the belt and tread package are made up at different and separate physical locations and thereafter the belt and tread package is transferred onto the carcass employing the transfer ring whereupon the two components of the tire are married. The present transfer ring includes first and second motive means for effecting grasping motion of a plurality of shoes of the transfer ring to cause the shoes to engage the belt and tread package about its outer circumference. In a preferred embodiment, the grasping motion is effected in multiple stages and the extent of motion is selectively adjustable. A method for effecting transfer of a belt and tread package is disclosed.

Abstract: A two-stage building method and apparatus for making an uncured tire including winding on shoulder wedge and sidewall components from strip material on a first stage building drum, winding on gum cushion on a band building drum and making up sequential breaker packages for second stage application to the tire.

Abstract: A tire building system comprises a band drum, a shaping drum, and a belt forming machine having two oscillating or rotating belt drums, in which the band drum and the shaping drum are arranged on the same axis in opposing relationship, a band transfer is disposed therebetween on the axis in such a manner as to reciprocate, the belt forming machine is arranged in parallel to the axis, and a belt transfer is disposed between the belt drum and the shaping drum in such a manner as to move in the axial direction and the direction normal to the axis.

Abstract: An improved method for pressure-adhering tire building component material is provided which includes the steps of:(1) adhering sidewalls to a first cover;(2) cutting each of the sidewalls at a given portion thereof;(3) provisionally securing a joint portion defined by the cut ends of each of the sidewalls;(4) enfolding a bead portion with a bead edge of the sidewall and entirely pressure-adhering each sidewall to the first cover; and(5) pressure-adhering the joint portion provisionally secured with a machine,wherein the step (5) is carried out separately from a production line in which the steps (1) to (4) are carried out.

Abstract: A green tire forming apparatus comprises a belt forming mechanism (1), a transferring mechanism (2), a green tire forming mechanism (3), and bead setting mechanisms (4), (5); wherein the bead setting mechanisms (4), (5) have a function of pushing ply turn-up bladders, segments (24a) holding a belt-tread assembly (6) are driven by hydraulic cylinders (24b), and a green tire take-out mechanism (9) is added to the transferring mechanism (2). Accordingly, the number of elements required can be minimized, so that the structure of the apparatus can be simplified. In addition, when a green tire forming is carried out with the apparatus, production of defective tire due to undesirable expansion of the outer diameters of belt and tread can be prevented, and also green tire take-out can be carried out efficiently.

Abstract: In a tire building apparatus comprising a band drum 1, a shaping drum 2, and a belt forming machine 101 having two belt drums 3 which can be oscillated or cyclically moved, the band drum 1 and the belt forming machine 101 are disposed on the same axis in opposing relationship, the shaping drum 2 is disposed so that it can be reciprocated between the position on the aforesaid axis and the standby position while maintaining the parallel condition with respect to the aforesaid axis, and a band transfer 4 and a belt transfer 5 are disposed so that they can be reciprocated along the aforesaid axis between the band drum 1 and the belt forming machine 101.

Abstract: Bead wires 4 are set at both ends of a carcass ply 2, to form bead portions 5 and 5. Then, a carcass body 6a incorporated with a toroidal BT band 9 around the outer periphery portion is mounted on a forming drum 13 around which side rubbers 20 are mounted through bladders 16 and 17 at the positions corresponding to the bead portions 5 and 5. Thus, by expansion of the bladders 16 and 17, the side rubbers 20 are press-contacted with both the sides of the carcass body 6a.

Abstract: In the apparatus of this invention a plurality of cylindrical matrices 2 are used to form tubular sleeves of elastomeric material to be later cured and cut into short segments to be used as belts, usually toothed belts. A coiling station 8 places a reinforcing fiber helically around the entire length of the sleeve. The matrix having the coils is then turned to a vertical position by a transfer member 28 and transferred, by means of an adjacent rotating platform 6 to a winding station 9 for application of a sheet of elastomeric material over the thread. The matrix having the completed but uncured sleeve is then placed back on the rotating platform. The coiling station and the winding station each have a tilting member 34 or 43 with two pairs of arms 39 or 52 so that while a completed matrix is swung out of the working position, a fresh matrix is swung into position.

Abstract: A method and an apparatus for producing tread/reinforcement belt units for pneumatic vehicle tires in which a rotatable winding drum. a belt feeding device for a first and a second reinforcement belt layer, an overlay feeding device, a tread feeding device and a transfer device are provided. On a winding drum having double width and being axially movable, two tread/reinforcement belt units are simultaneously produced whereby in the first method steps the individual reinforcement belt layers are produced, subsequently two wound overlays are produced, and then two treads are applied one after another or simultaneously.

Abstract: An apparatus for building tires includes belt ply supply devices, first and second tread supply devices, first and second band forming drums rotatable and expansible and contractible, a taking-out device for alternately removing formed bands from the band forming drums, a first moving device for successively moving the first forming drum to the supply positions of the respective belt ply supply devices and the first tread supply device and a taking-out position of the taking-out device to successively wind belt plies and a tread around the first band forming drum and to remove a formed band from the first band forming drum, and second moving device for successively moving the second band forming drum to the supply positions of the respective belt ply supply devices and the second tread supply device and the taking-out position of the taking-out device to successively wind belt plies and a tread around the second band forming drum and to remove a formed band from the second band forming drum.

Abstract: A transfer apparatus for cylindrical members, including a trolley movable toward and away from a forming drum, a pair of movable members movably supported on the trolley, bead holding units mounted on inner ends of the movable members for holding beads, grasping units mounted on outer ends of the movable members for grasping axial ends of a cylindrical member on its outside, respectively, and toward and away driving units for moving the movable members equal distances toward and away from each other. With the arrangement, if sizes of tires to be produced are changed, bead set positions and grasping positions of the cylindrical member can be easily changed with high efficiency. Even if a cylindrical member has a low rigidity, it can be grasped and transferred with little deformation of the cylindrical member.

Abstract: An apparatus for building green tires includes a carcass band forming drum for forming a carcass band, a first forming drum arranged rearward of and coaxially to the carcass band forming drum for forming green cases, a first transfer unit movable between the carcass band and first forming drums for transferring and pressing beads to the carcass band and for transferring the united beads and the carcass band to the first forming drum and folding axial edges of the carcass band about the beads upon itself in cooperation with the first forming drum, a second forming drum arranged rearward of the first forming drum for toroidally deforming the green case, second transfer unit movable between the first and second forming drums for transferring and delivering the green case from the first forming drum and second forming drum, a band forming drum arranged rearward of the first forming drum for forming a band, and a third transfer unit movable between the band forming drum and the second forming drum for transferring

Abstract: A method for the manufacture of a tubular article such as a component for deformation into the shape of a pneumatic tire utilizes a flexible carrier (15) for transfer and deformation of sheet material (9) to extend in a tubular form between the carrier and a former (25). The carrier (15) may extend around the former and support the sheet material between the former (25) and carrier (15) particularly if the former is of a type expansible to press the sheet material outward against the carrier. The axial ends (35) of the carrier (15) when in a tubular form around the former may be used axially to space and support a pair of tire beads (36). The sheet material (9) may have an axial length sufficient for it to extend beyond each axial end of the carrier whereby it may be turned radially outward around the respective tire beads.

Abstract: A process for building pneumatic radial tires comprising (a) a step of switching a first building drum at a first building position and a second building drum at a second building position in a turret manner by turning a body of a building machine, (b) a step for forming a belt cover layer at said second building position by winding at least one fiber cord continuously and spirally on a reinforcing belt that has been previously wound on the building drum, (c) a step for completing a belt-tread assembly at the first building position by winding a cap tread on a belt cover layer that has been previously been wound on the building drum at the second building position concurrent with the operation for winding the fiber cord that is being carried out at the second building position, removing the tire belt-tread assembly from the building drum, and newly winding a reinforcing belt on the building drum from which the belt-tread assembly has been removed, and (d) repeating said steps (a), (b) and (c).

Abstract: An improved second stage tire building machine including a first station for receiving and supporting a first stage tire carcass; a second station axially offset from the first station for assembling a breaker and tread cylinder; a servicer for feeding breaker strip material to the second station to form a breaker cylinder; a tread conveyor for feeding tread material to the second station over the breaker cylinder to form a breaker and tread cylinder; a stitcher to stitch the tread material and the breaker material to the carcass; a transfer device to transport the breaker and tread cylinder from the second station onto the periphery of a carcass at the first station for the assembly of a green tire and to then transport a green tire to an intermediate location; a robot to transport a carcass to the first station and a green tire from the transfer ring; and control means to coordinate the movement of the servicer, conveyor, transfer ring and robot in a continuous and automatic cycle of operation.

Abstract: A system for demagnetizing and subsequently selectively magnetizing a small portion of a ferrous member embedded in a green tire carcass in order to facilitate the rotational orientation of the tire carcass when it is transferred to a subsequent processing machine for the application of additional components. A magnetic probe associated with the second processing machine senses the portion of the magnetized area of the bead member and is able to rotationally orient the green tire carcass such that the component applied to the green tire carcass at the second processing machine may be rotationally oriented with respect to the components applied at the first processing machine.

Abstract: A robot for transporting a cylindrical tire carcass between various processing locations comprising arms with contoured free ends movable toward each other to thereby grasp the exterior cylindrical surface of a carcass, the free ends also being movable away from each other to thereby grasp the interior cylindrical surface of a green tire; transport means to move the arms between a pick up location, a tire building machine, and an inspection location; and control means adapted to move the arms toward each other at the pick up location to grasp the exterior cylindrical surface of a carcass and to activate the transport means to convey the grasped carcass to the tire building machine, the control means also adapted to move the arm away from each other at the tire building machine to grasp the interior cylindrical surface of a green tire and to activate the transport means to convey the grasped green tire to the inspection location.

Abstract: A hot tire forming method whereby at least some of the elements constituting each tire are formed starting from respective masterbatches, which are mixed with given chemical compounds inside respective continuous mixers to obtain respective final mixes, which are hot-fed to respective continuous production means, such as extruders, for obtaining semifinished products, which are hot-fed onto a green tire building drum, with the completed green tire then being transferred, hot, to a curing department; the transfer from the continuous mixers to the curing department being performed in such a manner as to preserve, inside each green tire entering the curing department, at least part of the initial mixing thermal energy and at least part of the initial continuous production thermal energy.

Abstract: A method of manufacture of a pneumatic tire in which an annular component, such as a tread/breaker assembly, is accurately located in a supporting box (30)(15). Other tire components such as sidewalls, and carcass, are assembled to said annular component while it is held in the box. The box (15) (30) is a transfer box which is detachable from a rotatable conveyor (11) for relocation in turn at each of a number of tire building stations (16)(26)(36) to pick a respective component(s) at each station. After picking up the respective component(s) at a station the box (15)(30) returns to the conveyor (11) for movement of the box to the next building station.

Abstract: Tire building apparatus in which a former is mounted on a first rotatable turret, and a component carrier of tubular form is mounted on a second rotatable turret adjacent the first turret. The former and the component carrier are arranged to be relatively movable at a turret station to enable the former to be surrounded by the component carrier so as to permit transfer of a tire building component between the former and the component carrier.

Abstract: In the feeding of sheet material to a machine such as a tire building former a sheet is first placed on a table and one edge of the sheet is aligned with a first datum line, preferably by tilting the table and supplying floatation air under the sheet. The sheet is then picked up and moved transversely through a predetermined distance by a gripping device to align the edge with a second datum line so as to enable the sheet to be fed in appropriate alignment to a machine.

Abstract: A tire breaker comprising at least two breaker plies is assembled on a carrier ring which is movable between ply fitting stations.The ring is mounted on an arm which swings the ring through 90.degree. to each fitting station where the ply is supported on a table. Each end of the ply is then moved from the table on to the ring by means of grippers, and rollers then traverse the ring to ensure that the ply is positioned accurately. The joints formed in successive plies are diametrically opposed to one another.

Abstract: A radial tire forming blank supply apparatus for use in a radial tire building machine comprises a column rotatable about a vertical axis spaced from the rotating axis of a forming drum, a pair of cantilever beams one above the other provided on the column, and two pairs of bar-like clamps. Each the pair of bar-like clamps are secured to each the cantilever beam and movable radially toward and away from each other to clamp and release a green case therebetween.

Abstract: A tire casing preparation system including a transfer machine and associated with a plurality of work stations for performing a variety of operations on worn tire casings such as de-treading, contouring, surface conditioning, dimensional gauging, defect detection and adhesive treatment. The transfer machine includes a turntable having a plurality of chucking and rotating mechanisms for mounting and processing tire casings as they are moved from one work station to another. A tire casing is first transported to a de-treading station where it undergoes a rough machining or de-treading operation for forming a curvilinear surface on the upper outer periphery of the tire casing. The tire casing is then transported to a contouring work station where a semi-rough machining operation is performed to form an arcuate outer peripheral surface.

Abstract: There is disclosed herein a method of manufacturing low aspect radial tires. The radial tires are mounted upon a bladder assembly during the time from the assembly of the tread reinforcing structure with the carcass until the vulcanization of the tire in a mold. Restrictor band material is wrapped around the tire to prevent circumferential growth of the tire beyond a predetermined diameter, so that the tire will not become too large to fit into the mold.

Abstract: A radial tire forming apparatus wherein a first stage forming arrangement comprising a carcass band forming drum, green case forming drum and band transfer, and a second stage forming arrangement comprising a belt-tread structure forming drum, raw tire forming drum and belt-tread transfer, are so arranged that the above mentioned respective forming drums may be positioned on the same axis. A green case transfer is set above the first and second stage forming arrangements and improvements in the green case transfer and further a novel formation of a gripping device for forming the green case transfer are provided.

Abstract: A tire withdrawal arrangement for use in a green tire shaping process which includes a platform car arranged to be movable in a direction for withdrawing a tire from a tire shaping former, a rotating support stand provided on the platform car, and tire support arms of elevating and rocking type provided on the rotating support stand, with the tire withdrawn from the tire shaping former through the tire support arms being rotated on the rotating support stand so as to feed the tire onto a conveyor device through rocking motion of the tire support arms.

Abstract: A tire assembly means employing a conveyor (12) which is used to transport a plurality of tire building drums (14) to a plurality of applicator stations (11) wherein various components are applied to the tire building drums (14) at the various applicator stations (11) in order to fabricate a tire when the tire building drums have made a complete traversal of the conveyor (12), wherein the tire building drums (14) are maintained in an angled relationship with respect to the conveyor (12) and the applicator stations (11).

Abstract: The present invention discloses a tire building apparatus (10) and preferred method for building a tire. The apparatus includes a longitudinally movable carriage (12), a guideway (20) for the longitudinal movement of the carriage, a headstock (14) mounted on the carriage, a tire assembly drum (11) having an inboard end (29) and an outboard end (28), and a drum support (15) mounted on the carriage. A plurality of operation stations (A-G) are spaced longitudinally along the guideway, and mechanical datum (30), fixedly located at each operation station, are provided to engage mechanical locators (31) secured to the carriage. A bladder (42) is provided selectively to cause engagement of the locators with the mechanical datum at each successive station to locate the tire assembly drum precisely with respect to the operation station.

Abstract: A green tire building process comprises: the steps of: jointing both longitudinal ends of a belt-like tread rubber for producing an endless tread band, and applying the endless tread band on an inner periphery of an annular face: jointing both longitudinal ends of a belt-like breaker ply for producing an endless breaker band, and disposing the endless breaker band within said endless tread band with its mid-circumferential plane being aligned with that of said endless tread band; expanding the endless breaker band radially and applying the endless breaker band on the inner periphery of the endless tread band for building a tread breaker assembly; disposing a cylindrical green case within and in coaxial relation with the tread breaker assembly; deforming the cylindrical green case toroidally to be applied on the inner periphery of the endless breaker band for integrally building the cylindrical green case and the tread breaker assembly.

Abstract: Tire building apparatus for building complete uncured tires includes a triad of orthogonally oriented tire building drums mounted on a turret rotatable about an axis inclined at an angle of between 35 and 36 degrees with respect to a horizontal plane. Each of the drums occupies successively two tire fabricating stations wherein the respective drums are oriented horizontally and a third station wherein the building drums successively occupying such third station are oriented vertically and from which completed tires fabricated in the apparatus can be removed vertically and at an elevation above the two fabricating stations so as to eliminate completely interference between the movements of tire building material coming to the machine and of the completed tires removed from the machine.