Abstract: According to the present invention, in adhering a belt edge tape (1) which is interposed between belt layers of a tire, press rollers surely adhere by pressing the belt edge tape (1) to a building drum (D) while preventing the press rollers from being caught by end portions of inclined cords which constitute a belt .

Abstract: In obliquely cutting a belt band-shaped material (B) to a predetermined length and joining belt material pieces (b) as cut to fabricate a belt member (B10) for a tire, according to the invention, a space, in which an apparatus is mounted, is decreased, a belt member of good quality and high accuracy of joining is manufactured, a cut processing section (A1) for a band-shaped material and an alignment processing section (A2) for belt material pieces as cut are arranged in parallel, in the cut processing section, whenever the band-shaped material (B) is intermittently forwarded, a leading end portion of the band-shaped material is held on a holding table 40 and obliquely cut by a cutter unit (30), the belt material pieces (b) as cut are attracted and held on an underside of a holding member (53) of a transfer unit (T) to be transferred onto and placed on an alignment conveyor (60) with oblique cut ends trued up, and in the alignment processing section, whenever a belt material piece (b) is transferred, the align

Abstract: The invention enables easy jointing of cord fabric performed when cord fabric (F) for topping is alternately drawn from two supply positions (P1) (P2) for continuous supply, during drawing to supply of the cord fabric (F) on one side, a start end portion (Fa) of the cord fabric (F) on other side is locked to hold by a locking pin (3) of a jointing holder (1), and is set to a jointing mounting portion (21) in a state where an unvulcanized jointing rubber member (Ra) is pasted thereto, when a final end of the cord fabric (F) on the one side comes closer, a finish end portion (Fb) thereof is pasted to the start end portion (Fa) of the cord fabric (F) held by the holder (1) by interposing the rubber member (Ra) therebetween, the finish end portion (Fb) and the start end portion (Fa) are squeezed for joint from upper and lower sides by press members (25) (26), thereafter, the holder (1) is removed, and the cord fabric on the other side is made to be drawn to supply continuously to the cord fabric on the one side.

Abstract: The invention enables easy jointing of cord fabric performed when cord fabric (F) for topping is alternately drawn from two supply positions (P1) (P2) for continuous supply, during drawing to supply of the cord fabric (F) on one side, a start end portion (Fa) of the cord fabric (F) on other side is locked to hold by a locking pin (3) of a jointing holder (1), and is set to a jointing mounting portion (21) in a state where an unvulcanized jointing rubber member (Ra) is pasted thereto, when a final end of the cord fabric (F) on the one side comes closer, a finish end portion (Fb) thereof is pasted to the start end portion (Fa) of the cord fabric (F) held by the holder (1) by interposing the rubber member (Ra) therebetween, the finish end portion (Fb) and the start end portion (Fa) are squeezed for joint from upper and lower sides by press members (25) (26), thereafter, the holder (1) is removed, and the cord fabric on the other side is made to be drawn to supply continuously to the cord fabric on the one side.

Abstract: In the case where a lengthy rubber material (R) is wound on a winding roll (30) mounted on a moving cart (20), the invention prevents excessive bonding of the rubber material between respective layers and is capable of pulling out and supplying the rubber material as wound without a problem, and the lengthy rubber material (R) continuously extruded in a lengthy manner from a rubber extruder to be fed to a winding position is wound to be made spiral with alternately reverse inclination every layer while being caused by a traverse guide to traverse to the winding roll (30) mounted on the cart (20) in accordance with rotation of the roll.

Abstract: The invention can firmly and easily remove a finely divided weft piece without leaving the weft piece by constituting a method and an apparatus of removing weft from a cord fabric for a topping sheet in a calender line for topping rubber on a number of pieces of aligned cords by a calender roll. In the midst of transferring a cord fabric transferred to a calender apparatus, weft is finely divided by passing the cord fabric through weft dividing means, thereafter, a plurality of blades arranged movably in a width direction on an upper face side of the cord fabric are reciprocally moved in the width direction over an entire width thereof to be brought into contact with the cord fabric, and the divided weft piece is wiped off to remove by respectively striking respective cords of the cord fabric by the respective blades.

Abstract: The invention is aimed at shortening time and reducing labor in a work of fitting a multiplicity of cords, respectively, into grooves of a grooved press roll and of a grooved comb roll to align the same in a calender apparatus, in which rubber is topped on the multiplicity of cords as aligned, in an aligning work, the multiplicity of cords are first fitted into grooves on an upper surface side of the comb roll to be aligned, the press roll is then displaced to an alignment transfer position from a standby position close to a topping roll to be opposed to the upper surface side of the comb roll to thereby transfer an aligned state of the cords fitted into the grooves of the comb roll to the press roll as it is to fit the respective cords into grooves of the press roll and to displace the press roll to the standby position while maintaining the fitted state, to set the cords in an aligned state.

Abstract: A belt member on a supply conveyor is transferred onto a building drum from an inclined distal end portion while holding on both side edge portions in the width direction thereof. A supply conveyor places the belt member thereon and a hand device which includes holding members, extending in the feeding direction of the supply conveyor. In a state that a distal end portion of the belt member on the supply conveyor is held on a lower surface of the press plates, of the hand device, the belt member is transferred to the building drum along with a feeding operation of the supply conveyor and, at the same time, the belt member is adhered by pressing to a peripheral surface of the building drum from a distal end portion thereof while rotating the building drum along with the transfer of the belt member.

Abstract: The invention enables to automatically connect a terminal end portion of a strip-like material drawn out from a winding member constituting an apparatus of supplying the strip-like material and a start end portion of a succeeding strip-like material, at supply support portions 1a, 1b, a strip-like material B is drawn out from one winding member Ba of a plurality of winding members Ba, Bb aligned on support shafts 2a, 2b to be supported thereby, a start end portion of the strip-like material B of other winding member Ba is made to be awaited at an awaiting portion 9a, at every time of finishing transporting the strip-like material B, the strip-like material B is temporarily stopped from being transported, during a time period of stopping to transport the strip-like material B, a start end portion of the strip-like material B of a succeeding winding member Ba is held by a hand apparatus 10 and transported from above the awaiting portion 9a to above a receiving base 7, the start end portion is laminated on a ter

Abstract: The invention provides a driving apparatus for a tire building drum which can reduce load when the drum is rotating, which enables stable expanding and contracting operations and in which a center shaft portion (2) of the building drum (D) is made up of a cylindrical outer shaft (3) and an inner threaded shaft (4), the driving apparatus including a cylindrical outer shaft (13) which is coupled to the outer shaft (3), an inner shaft (14) coupled to the threaded shaft (4), a first motor (15) which is a rotational driving means coupled to the outer shaft (13) for rotating the drum, and a second motor (20) which is a rotational driving means coupled to the inner shaft (14) via a clutch (21) in such a manner as to be engaged with and disengaged from the inner shaft for expanding or contracting the drum, wherein by switching the clutch (21), when the drum is rotating, the second motor (20) is held out of engagement with the inner shaft (14), while when the drum is expanded or contracted, the second motor (20) is he

Abstract: An improvement is achieved in productivity of a tire by preventing an unacceptably molded green tire, which is produced in a molding process, from flowing to a vulcanizing process. Measures therefor comprise putting an unvulcanized green tire on a mount surface of a mount stage, sticking an information label to a side wall of the green tire with a label sticking device arranged below a through-hole formed in a position, which corresponds to an inside of a bead body of the green tire, on the mount surface, and measuring a weight of the green tire with a gravimeter, which supports the mount stage.

Abstract: There is provided a belt member producing method including forming a strip piece 17 of a predetermined width W by cutting a strip material 12 including a plurality of reinforcement cords 11 to a regular size, conveying the strip piece 17 to a transfer conveyor 22 in such a manner that cut sides 19 of the strip piece 17 are in parallel with a traveling direction B of the transfer conveyor 22 and overlapping continuously an integral number Nint of strip pieces 17 on each other on the transfer conveyor 22 in such a manner that the strip pieces 17 are overlapped on each other by an overlapping amount P along non-cut sides 18 thereof, so as to produce a belt member 30 having a desired length equal to a predetermined length L of a belt layer of a pneumatic radial tire, the belt member producing method being characterized by including selecting a desired cutting angle ?pre relative to a traveling direction A of the strip material 17 when the strip material 12 is cut to the regular size, calculating a number Ncal of

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: The invention provides a perforating apparatus, which can efficiently form air vent holes in necessary locations on a tire constituent member and facilitates setting and changes of perforated positions to be able to readily accommodate for a change in size of the tire constituent member, and as perforating means 10, which performs a piercing action every one-time conveyance, a multiplicity of needle bodies 11 disposed on one of upper and lower sides of a feed table 5 of a band-shaped material B for the tire constituent member to be able to perpendicularly pierce the band-shaped material B on the feed table 5 are arranged in parallel in a direction of conveyance of and in a width direction of the band-shaped material B and provided to be controlled individually in respective sets, each set being composed of one or plural needle bodies 11, or each set being composed of one or plural rows of needles bodies in a width direction.

Abstract: The invention is for enabling one piece of rotation driving means 17 to drive to rotate both of an outer side shaft portion 3 of a drum shaft 1 and a screw shaft 4 on an inner side as a driving apparatus 10 of a tire building drum D, including an outer shaft 13 connected to the outer side shaft portion 3, a middle shaft 14 connected to the screw shaft 4, one piece of the rotation driving means 17 connected to the middle shaft 14 by way of a rotation transmitting member 18, and a clutch 26 interposed between the rotation transmitting member 18 connected to the middle shaft 14 and the outer shaft 13, and constituted to transmit rotation of the rotation driving means 17 to both of the middle shaft 14 and the outer shaft 13 in connecting the clutch 26 and transmit the rotation of the rotation driving means 17 only to the middle shaft 14 in cutting the clutch 26.

Abstract: In the case where a lengthy rubber material (R) is wound on a winding roll (30) mounted on a moving cart (20), the invention prevents excessive bonding of the rubber material between respective layers and is capable of pulling out and supplying the rubber material as wound without a problem, and the lengthy rubber material (R) continuously extruded in a lengthy manner from a rubber extruder to be fed to a winding position is wound to be made spiral with alternately reverse inclination every layer while being caused by a traverse guide to traverse to the winding roll (30) mounted on the cart (20) in accordance with rotation of the roll.

Abstract: The invention provides a bead supply system which stocks annular beads without bringing the beads into contact with each other and supplies the beads to a building machine in steps where bead setting and turning up are carried out in tire building and includes a bead stocking unit (10) having a transfer means (20) for holding a plurality of beads in such a manner as to be spaced apart from each other at constant intervals and transferring the beads towards a distal end portion, a bead transfer unit (40) for receiving the beads one by one from the bead stocking unit (10) to transfer them to a loading waiting position (P1) on to a building machine (100), and a loading and setting unit (60) for receiving the beads from the bead transfer unit (40) in the loading waiting position (P1) to supply them to a loading and setting position (P2) which confronts two supporting elements of the building machine, wherein the respective units are made to operate in an associated fashion in accordance with a tire building cycle

Abstract: According to the present invention, in adhering a belt edge tape (1) which is interposed between belt layers of a tire, press rollers surely adhere by pressing the belt edge tape (1) to a building drum (D) while preventing the press rollers from being caught by end portions of inclined cords which constitute a belt.

Abstract: The invention enables easy jointing of cord fabric performed when cord fabric (F) for topping is alternately drawn from two supply positions (P1) (P2) for continuous supply, during drawing to supply of the cord fabric (F) on one side, a start end portion (Fa) of the cord fabric (F) on other side is locked to hold by a locking pin (3) of a jointing holder (1), and is set to a jointing mounting portion (21) in a state where an unvulcanized jointing rubber member (Ra) is pasted thereto, when a final end of the cord fabric (F) on the one side comes closer, a finish end portion (Fb) thereof is pasted to the start end portion (Fa) of the cord fabric (F) held by the holder (1) by interposing the rubber member (Ra) therebetween, the finish end portion (Fb) and the start end portion (Fa) are squeezed for joint from upper and lower sides by press members (25) (26), thereafter, the holder (1) is removed, and the cord fabric on the other side is made to be drawn to supply continuously to the cord fabric on the one side.

Abstract: The invention is aimed at shortening time and reducing labor in a work of fitting a multiplicity of cords, respectively, into grooves of a grooved press roll and of a grooved comb roll to align the same in a calender apparatus, in which rubber is topped on the multiplicity of cords as aligned, in an aligning work, the multiplicity of cords are first fitted into grooves on an upper surface side of the comb roll to be aligned, the press roll is then displaced to an alignment transfer position from a standby position close to a topping roll to be opposed to the upper surface side of the comb roll to thereby transfer an aligned state of the cords fitted into the grooves of the comb roll to the press roll as it is to fit the respective cords into grooves of the press roll and to displace the press roll to the standby position while maintaining the fitted state, to set the cords in an aligned state.