B29D2030/0044

BEAD FILLER FORMING DEVICE

In a bead filler forming device configured to forma bead filler by annularly applying, to a forming surface of a rotating table, rubber extruded via a mouthpiece from an extruder in a band shaped manner, and by joining end portions of the band-shaped rubber. The mouthpiece includes a leading end surface, a discharge port which is formed in the leading end surface, a land portion which extends from the discharge port in a single cross section, and a flow rate regulating portion which is provided in an upstream side of the land portion and makes a flow rate of the rubber flowing to an outer peripheral side flow path of the land portion larger than a flow rate of the rubber flowing to an inner peripheral side flow path of the land portion.

Machine and method of forming a bead-apex assembly for tires
10137654 · 2018-11-27 · ·

A tire building machine for applying an apex to a bead to form a bead-apex assembly for a green tire, including a bead holder for holding the bead, wherein the tire building machine includes a first gripper and a second gripper for engaging and moving the apex in a direction of conveyance towards the bead, wherein the first gripper is moveable between a first start position and a first end position and the second gripper is moveable between a second start position and a second end position, wherein the tire building machine is provided with wedges, wherein the grippers are biased to a closed state in which the grippers are arranged to engage the apex, and wherein the wedges are arranged for countering the bias of the grippers when the grippers are at one of the start positions or the end positions.

Method for picking up and placing tire components on a transfer drum
10131103 · 2018-11-20 · ·

The invention relates to a method for picking up and placing a tire components, wherein the method includes the steps of picking up a supplied first tire component with a transfer drum, rotating the transfer drum in a first direction for winding a predetermined length of the continuous length of the first tire component, rotating the transfer drum in the opposite second direction, while at the same time moving the transfer drum downstream into a cutting position, wherein a part of the predetermined length of the first tire component is unwound from the transfer drum, cutting the unwound part, thereby obtaining a cut-to-length first tire component, and rotating the transfer drum again in the first direction for winding up the unwound part of the cut-to-length first tire component up to the trailing end.

MODULAR FESTOON SYSTEM

In one example, a festoon system comprises a festoon module having a support assembly, and further comprises at least one upper sheave and at least one lower sheave, which are movable relative to one another by movement of at least one of the upper sheave or the lower sheave. At least one wire is configured to enter the festoon module at an entrance region, extend around a groove of the least one lower sheave and at least one groove of the at least one upper sheave, and then exit the festoon module at an exit region. A first coupling location of the support assembly is adjacent to the entrance region of the festoon module, and a second coupling location of the support assembly is adjacent to the exit region of the festoon module. Different modules are configured to be coupled to the second coupling location.

Gripper, gripper station and method for gripping an annular tire component

A gripper, a gripper station and a method for gripping an annular tire component, wherein the gripper has a plurality of gripper members distributed in a circumferential direction about a gripper axis and movable with at least a vector component in a radial direction perpendicular to the gripper axis over a main range with a radially inner endpoint and a radially outer endpoint. The gripper further has a limiter for limiting the movement of the plurality of gripper members in the radial direction to a subrange within the main range, wherein the subrange has an adjustable subrange position relative to the main range. The gripper has a synchronization member for synchronizing movements of the plurality of gripper members in the radial direction, wherein the synchronization member defines the main range, and wherein the limiter is arranged for limiting the synchronization member to define the subrange.

Positioning device for use in a tire building system and a method for positioning a bead

The invention relates to a positioning device for use in a tire building system and a method for positioning a bead. The device includes a holding unit including a substantially planar holding surface having a first side, a transport unit movable parallel to the holding surface and including a gripper for gripping the bead and moving the gripped bead substantially along the holding surface, and a bead retainer arranged for at least temporarily retaining the bead in abutment against the holding surface at the first side thereof. The gripper is moveable between a first position in which the gripper projects at least partially out of the holding surface at the first side thereof for gripping the bead, and a second position, in which the gripper is completely arranged behind the holding surface, as viewed from the first side.

TIRE MEMBER EXTRACTION DEVICE AND TIRE MEMBER EXTRACTION METHOD
20180178471 · 2018-06-28 · ·

A plurality of rollers each having a rotary shaft parallel to a rotary shaft of a rotary support body are moved toward a tire member in a synchronized manner so that the tire member is disposed between the plurality of rollers and the rotary support body while the rollers are brought into contact with at least one of the rotary support body and the tire member supported by the rotating rotary support body and the rotary support body is contracted in a state where the tire member is disposed between the plurality of rollers and the rotary support body so that the tire member is delivered from the rotary support body to the plurality of rollers.

BEAD WIRE PAYOFF SYSTEM

A bead wire payoff system is provided having a first coil mount configured to receive a first coil of bead wire and a second coil mount configured to receive a second coil of bead wire. The first and second coil mounts are configured to continuously pay-off a bead wire, first from the first coil of bead wire, and then from the second coil of bead wire upon exhaustion of the first coil of bead wire.

BEAD CORE MANUFACTURING APPARATUS
20180036978 · 2018-02-08 · ·

A bead core manufacturing apparatus (1) comprises an annular former (4) having an outer peripheral surface (40) on which a bead wire (w) is woundable into a bead core. The former (4) comprises a set of segments (41), which are divided circumferentially of the former, and which have radially outer surfaces collectively forming the outer peripheral surface (40). The segments (41) are movable in respective radial directions of the former so that the outer peripheral surface (40) has plural outside diameters, and a bead wire can be wound into plural kinds of bead cores having different inside diameters.

CONTROL METHOD AND CONTROL SYSTEM FOR TIRE FORMING MACHINE, AND READABLE STORAGE MEDIUM
20250042114 · 2025-02-06 ·

Disclosed are a control method and control system for a tire forming machine, and a readable storage medium. The control method comprises: in response to a signal for mounting a tire bead, a second mechanical arm body drives a second claw portion to move to a material preparation region, and the second claw portion performs a grasping action on the tire bead and a spacer; the second mechanical arm body drives the second claw portion to place the tire bead on the preset position of the tire bead and place the spacer on the place where the spacer is placed; in response to a green tire rolling signal, a first pressing roller portion rolling a first sidewall of a green tire and an adjacent tread thereof on a forming drum, and meanwhile a second pressing roller portion rolling a second sidewall of the green tire and the adjacent tread thereof; In response to the green tire unloading signal, the first mechanical arm body drives the first claw portion to grip the green tire, and transfers the green tire to the tire unloading position. By means of integrated control, the control method reduces the space occupied by a mechanical device, reduces the complexity of control, and avoids the possibility of interference generated by the mutual actions between the executed mechanical parts.