Abstract: A mixer (2) includes: a pair of rotors (44) arranged to have a gap (SP2) therebetween; a casing (45) in which a chamber (C2) in which the pair of rotors (44) is disposed, an introduction port (51) for introducing a material to be mixed (W) into the chamber (C2), and a discharge port (52) for discharging the material to be mixed (W) from the chamber (C2) are formed; a sensor (80) which is disposed above the pair of rotors (44) and detects variation in position or pressure of the material to be mixed (W); and a control unit (82) which controls rotation of the pair of rotors (44), based on a detection result of the sensor (80).

Abstract: A tire testing apparatus allows attachment and detachment of a rim assembly in which first and second rims are integrated and performs testing of a tire attached to the rim assembly. The tire testing apparatus includes a first attaching part; a second attaching part; a rotating part that rotates the first attaching part around a reference axis orthogonal to the first reference surface of the first rim attached to the first attaching part; a fixing part that fixes the first attaching part and the second attaching part to each other and is capable of releasing the fixation; an attaching portion moving part that adjusts the distance in a direction along the reference axis between the first attaching part and the second attaching part; and a rotation regulating part that regulates rotation of the second attaching part around the reference axis.

Abstract: An electrical resistance measuring device for a tire (T) that measures the electrical resistance from a bead portion (71) to a tread portion (70) and includes a measuring tip (5a) that is curvedly deformable along the shape of the tire (T).

Abstract: A tire vulcanizer system in which multiple tire vulcanizers, provided with a frame and a vulcanizing mechanism that is supported by the frame and is for vulcanizing green tires, are connected, wherein the tire vulcanizers are provided with respective alignment sections, which are provided on the respective frames and are for aligning the level positions of adjacent frames relative to each other.

Abstract: Provided is a tire transport method for a tire inspection system in which a tire transported from the upstream side is fastened by an upper rim and a lower rim, and a measurement is performed, wherein the method includes transport stem in which a transport mechanism having a pair of transport units split in the width direction transports the tire to a fastening position for fastening, and a parting step in which the pair of transport units is parted in the width direction, such that it is possible for the lower rim to pass between the pair of transport units.

Abstract: The tire vulcanizer is provided with an unloading device. The unloading device removes a vulcanized tire that has been vulcanized in the main body of the vulcanizer and conveys same to a cooling position at which the vulcanized tire is cooled, and conveys the vulcanized tire that has been cooled at the cooling position to a discharge position for transfer to an exporting device for discharging the vulcanized tire. The unloading device is provided with a support section capable of supporting the vulcanized tire, a rotational movement section for rotating the support section in a plane, and a linear movement section for moving the support section linearly.

Abstract: Provided is a rim exchange apparatus of a tire testing machine having a simple and space-saving configuration and capable of rotating a turntable having a plurality of rim placing parts with no interference and appropriately identifying a plurality of rim assemblies set on the turntable. A turntable is installed to be rotated about a rotary shaft with respect to the support part, a plurality of rim placing parts on which a rim assembly is placed are provided to the turntable about the rotary shaft, and reading parts are attached to the support part at a lower side of the turntable. Then, the reading parts read rim identification information of the rim assembly placed on the rim placing parts through the turntable at a predetermined reading position. Accordingly, the identification information of the rim assembly can be appropriately read with no interference with rotation of the turntable.

Abstract: A rim assembly includes a first rim on which a first reference surface is formed, a second rim on which a second reference surface is formed, a through-hole that extends to intersect the first reference surface of the first rim and into which an inserting part is inserted, pins erected on one of the first and second reference surfaces, protruding portions formed on the other of the first and second reference surfaces, first supporting members provided for the first reference surface, and second supporting members provided for the second reference surface. Groove portions with which the protruding portions are engaged are formed around the outer peripheral surfaces of the pins. The first and second supporting members come into contact with each other when the protruding portions are separated from the groove portions, and are separated from each other when the protruding portions are engaged to the groove portions.

Abstract: An electrical resistance measuring device for a tire (T) that measures the electrical resistance from a bead portion (71) to a tread portion (70) and includes a measuring tip (5a) that is curvedly deformable along the shape of the tire (T).

Abstract: A rim assembly includes a first rim on which a first reference surface is formed, a second rim on which a second reference surface is formed, a through-hole that extends to intersect the first reference surface of the first rim and into which an inserting part is inserted, pins erected on one of the first and second reference surfaces, protruding portions formed on the other of the first and second reference surfaces, first supporting members provided for the first reference surface, and second supporting members provided for the second reference surface. Groove portions with which the protruding portions are engaged are formed around the outer peripheral surfaces of the pins. The first and second supporting members come into contact with each other when the protruding portions are separated from the groove portions, and are separated from each other when the protruding portions are engaged to the groove portions.

Abstract: A tire testing apparatus includes: a lower rim that is formed with a lower through hole, and a rim-side inclined surface that increases in diameter in a downward direction of an inner peripheral surface of a lower end portion of the lower through hole; an upper rim that is held to face the lower rim; an insertion part capable of being inserted through the lower through hole; and an apparatus-side inclined surface that is provided at a lower end portion of the insertion part, increases in diameter from an outer peripheral surface of the insertion part in the downward direction, and is capable of coming into contact with the rim-side inclined surface.

Abstract: Provided is a tire vulcanizer capable of adjusting the height of an upper mold attaching member or a lower mold attaching member while fixing the position of the upper mold attaching member or the lower mold attaching member, with a simple structure. A tire vulcanizer (2) includes: a guide frame (5) that supports an upper mold attaching member (21) and a base frame (26); a fixed rack (6) that is provided to the guide frame (5) along the height direction of a mold (23) and includes a plurality of teeth, the mold (23) including an upper mold (4) placed in the upper mold attaching member (21) and a lower mold (35) placed in the base frame (26); a movable rack (7) that is provided to the upper mold attaching member (21), meshes with the fixed rack (6), and includes a plurality of teeth; and an air cylinder that moves the movable rack (7) in the height direction of the mold (23) with respect to the upper mold attaching member (21) while keeping the height of the upper mold attaching member (21) constant.

Abstract: A tire testing apparatus allows attachment and detachment of a rim assembly in which first and second rims are integrated and performs testing of a tire attached to the rim assembly. The tire testing apparatus includes a first attaching part; a second attaching part; a rotating part that rotates the first attaching part around a reference axis orthogonal to the first reference surface of the first rim attached to the first attaching part; a fixing part that fixes the first attaching part and the second attaching part to each other and is capable of releasing the fixation; an attaching portion moving part that adjusts the distance in a direction along the reference axis between the first attaching part and the second attaching part; and a rotation regulating part that regulates rotation of the second attaching part around the reference axis.

Abstract: Provided is a rim exchange apparatus of a tire testing machine having a simple and space-saving configuration and capable of rotating a turntable having a plurality of rim placing parts with no interference and appropriately identifying a plurality of rim assemblies set on the turntable. A turntable is installed to be rotated about a rotary shaft with respect to the support part, a plurality of rim placing parts on which a rim assembly is placed are provided to the turntable about the rotary shaft, and reading parts are attached to the support part at a lower side of the turntable. Then, the reading parts read rim identification information of the rim assembly placed on the rim placing parts through the turntable at a predetermined reading position. Accordingly, the identification information of the rim assembly can be appropriately read with no interference with rotation of the turntable.

Abstract: Provided is a tire vulcanizer capable of adjusting the height of an upper mold attaching member or a lower mold attaching member while fixing the position of the upper mold attaching member or the lower mold attaching member, with a simple structure. A tire vulcanizer (2) includes: a guide frame (5) that supports an upper mold attaching member (21) and a base frame (26); a fixed rack (6) that is provided to the guide frame (5) along the height direction of a mold (23) and includes a plurality of teeth, the mold (23) including an upper mold (4) placed in the upper mold attaching member (21) and a lower mold (35) placed in the base frame (26); a movable rack (7) that is provided to the upper mold attaching member (21), meshes with the fixed rack (6), and includes a plurality of teeth; and an air cylinder that moves the movable rack (7) in the height direction of the mold (23) with respect to the upper mold attaching member (21) while keeping the height of the upper mold attaching member (21) constant.

Abstract: To provide a plurality of conveyor belts which are disposed, with a space kept mutually in the width direction orthogonal to the longitudinal direction thereof, and capable of running along the longitudinal direction thereof in such a state that the sheet pieces with cords are placed thereon, and a lift mechanism installed between the plurality of conveyor belts to support the sheet pieces with cords on the upstream side or those on the downstream side in the longitudinal direction among the sheet pieces with cords placed on the conveyor belts while in contact with these sheet pieces from the lower side, thereby allowing them to make a relative upward movement from the sheet placing surfaces of the conveyor belts.

Abstract: To provide a plurality of conveyor belts which are disposed, with a space kept mutually in the width direction orthogonal to the longitudinal direction thereof, and capable of running along the longitudinal direction thereof in such a state that the sheet pieces with cords are placed thereon, and a lift mechanism installed between the plurality of conveyor belts to support the sheet pieces with cords on the upstream side or those on the downstream side in the longitudinal direction among the sheet pieces with cords placed on the conveyor belts while in contact with these sheet pieces from the lower side, thereby allowing them to make a relative upward movement from the sheet placing surfaces of the conveyor belts.

Abstract: The feeding apparatus is provided with a first feeding section for feeding a long-formed sheet in the longitudinal direction of the sheet, a second feeding section for feeding the long-formed sheet delivered from the first feeding section in a direction intersecting obliquely with the feeding direction of the first feeding section and a control section for controlling the first feeding section and the second feeding section so that the second feeding section starts to operate before the leading end of the long-formed sheet delivered from the first feeding section is in contact with the second feeding section.

Abstract: The feeding apparatus is provided with a first feeding section for feeding a long-formed sheet in the longitudinal direction of the sheet, a second feeding section for feeding the long-formed sheet delivered from the first feeding section in a direction intersecting obliquely with the feeding direction of the first feeding section and a control section for controlling the first feeding section and the second feeding section so that the second feeding section starts to operate before the leading end of the long-formed sheet delivered from the first feeding section is in contact with the second feeding section.

Abstract: A tire forming machine is provided which includes a forming drum having a central drum portion arranged at an axially central location of the forming drum, and right and left drum portions which are arranged on either of the right and left sides of the central drum portion and which are movable in an axial direction of the forming drum. At the time of winding tire-forming materials on the forming drum to assemble a carcass, the right and left drum portions are brought into contact with the central drum portion and stuck with the same to cooperatively form a continuous surface. After the assembly of the carcass, the right and left drum portions are moved to respective bead setting positions to open the forming drum. The thus-constructed tire forming machine is comprised of a plurality of gripping mechanisms arranged around the central drum portion of the forming drum for gripping an axially central portion of the carcass.