Abstract: A bead retaining member includes a body having a concave first concave edge and one or more retaining elements which are distributed over the body along said first concave edge for retaining a first bead of a first size along a first retaining curve having a first retaining radius and for retaining a second bead of a second size along a second retaining curve having a second retaining radius larger than the first retaining radius. The first retaining curve intersects with the second retaining curve at a first intersection point and a second intersection point. The first concave edge is non-circular and is located radially outside of the second retaining curve in a center region of the first concave edge between the first intersection point and the second intersection point and radially outside of the first retaining curve in a first lateral region and a second lateral region.

Abstract: An applicator roll, a tire component servicer, and a method for applying a strip to a drum are provided. The applicator roll includes an outer ring that is rotatable about a rotation axis and that defines a retaining surface. The applicator roll is provided with suction openings for retaining the strip to the retaining surface. The applicator roll includes a follower that is rotatable inside the outer ring to follow a part of the strip on the retaining surface. The follower defines a chamber that extends in the circumferential direction over a retaining arc along the outer ring. The follower is rotatable about the rotation axis independently of the outer ring to a first retaining position on the outer ring in which the chamber is arranged in air communication with one or more suction openings within said retaining arc.

Abstract: A bead retaining member includes a body having a concave first concave edge and one or more retaining elements which are distributed over the body along said first concave edge for retaining a first bead of a first size along a first retaining curve having a first retaining radius and for retaining a second bead of a second size along a second retaining curve having a second retaining radius larger than the first retaining radius. The first retaining curve intersects with the second retaining curve at a first intersection point and a second intersection point. The first concave edge is non-circular and is located radially outside of the second retaining curve in a center region of the first concave edge between the first intersection point and the second intersection point and radially outside of the first retaining curve in a first lateral region and a second lateral region.

Abstract: Disclosed is a tire building system including a first drum, a second drum and first stations, a first support, a first carrier that carries the first drum with respect to the first support, a second support and a second carrier that carries the second drum with respect to the second support, wherein the first carrier is movable along the first support in a first positioning plane, wherein the second carrier is movable along the second support in the first positioning plane, wherein the first support is arranged for supporting the first carrier from below the first positioning plane and wherein the second support is arranged for suspending the second carrier from above the first positioning plane. The disclosure further relates to a method for positioning the first drum and the second drum with respect to the first stations with the use of the aforementioned system.

Abstract: Disclosed is a tire building system including a first drum, a second drum and first stations, a first support, a first carrier that carries the first drum with respect to the first support, a second support and a second carrier that carries the second drum with respect to the second support, wherein the first carrier is movable along the first support in a first positioning plane, wherein the second carrier is movable along the second support in the first positioning plane, wherein the first support is arranged for supporting the first carrier from below the first positioning plane and wherein the second support is arranged for suspending the second carrier from above the first positioning plane. The disclosure further relates to a method for positioning the first drum and the second drum with respect to the first stations with the use of the aforementioned system.

Abstract: Tire building drum having a turn-up mechanism for use in building an unvulcanized tire using rubber tire components, having two sets of turn-up arms (14), wherein each set of arms is connected to an axially shiftable arm support (17). The tire building drum is provided with means on the one hand for shifting the arm supports in a first direction to move the sets of turn-up arms axially towards each other, wherein the arras are tiltable in radial planes from a starting position to a tilting position, and on the other hand for in a second direction, opposite the first direction, shifting the arm supports to move the arms axially apart from the tilting position into the starting position. The tire building drum is provided with a pneumatic detection device (20) (23) for detecting whether at least one of the moving parts, such as the arms or the clamping device, are in the starting position, and for giving a detection signal indicating whether or not the arms are in the starting position.

Abstract: The invention provides an assembly and a method for manufacturing a green tyre. The assembly comprises a building drum (52), an extrusion device (75) for extruding a strip (70) of an unvulcanized rubber, a transfer drum (72) for helically winding the strip (70) of the unvulcanized rubber thereon into a layer of rubber material, and a cutting device (76) for at least substantially in axial direction severing the layer of rubber material, wherein the transfer drum (72) is movable between a first position near the extrusion device (52) and a second position near the building drum (52) for transferring the layer of rubber material from the transfer drum (72) to the building drum (52).

Abstract: Tire building drum having a drum shaft and two drum halves arranged around the drum shaft. In the drum shaft one threaded spindle is arranged. On either side of the center of the tire building drum a driving nut is arranged on the spindle. Each driving nut is fixedly connected to the drum half in question via a connection part. Each drum half has a folding arm unit that is connected to the drum half in question so as to swing. The folding arm unit is movable in axial direction of the tire building drum. Each drum half further has a bead ring core clamping unit intended for supporting and clamping a bead ring core. The bead ring core clamping unit is arranged on a cylindrical part. The cylindrical part is provided with a cylinder slot for accommodating the connection part and with a locking mechanism. The locking mechanism can be brought into engagement with the drum shaft.

Abstract: Cutting device for cutting strips from a band of material (8). The cutting device is provided with an elongate upper knife (1) and a lower knife (2) that is movable in longitudinal direction along the elongate upper knife (1), for cutting the material (8) by the movement of the lower knife (2) along the upper knife (1). The elongate upper knife (1) can be swiveled to at least substantially abutting contact with the lower knife (2), wherein the swiveling comprises at least a component transverse to the elongate upper knife (1). The upper knife (1) can be swiveled to against the lower knife (2) by means of an electromotor, in particular a servomotor (5), wherein the upper knife (1) exerts a force on the lower knife (2).

Abstract: Supply device (1) for a cutting device (2) for a web of reinforced rubber material, comprising a first and a second web transporter provided with web engagers, wherein the first and second web transporters are spaced apart from each other in web direction and are attached to a first and a second carriage that are connected to each other for being reciprocally moved as one unity, o attached to a common reciprocally movable carriage (23), respectively, wherein the first web transporter is situated downstream from the second web transporter, wherein the supply device furthermore comprises guides for guiding the carriage (s) with both transporters during the reciprocal motion, wherein the guides for the carriage or carriages with both transporters are continuous for the entire stroke of the reciprocal motion.

Abstract: Device for manufacturing a cut-to-length pre-assembly for a tire, wherein in the pre-assembly first and second side walls are situated on either side of an inner liner. The device comprises a supply conveyor for conveying the cut pre-assembly to the building drum. The device is provided with a first side wall measuring device for measuring the length of the first side wall of the cut pre-assembly and for giving a first side wall measuring signal indicative of the measured length of the first side wall, with a second side wall measuring device for measuring the length of the second side wall of the cut pre-assembly and for giving a second side wall measuring signal indicative of the measured length of the second side wall, and with an inner liner measuring device for measuring the length of the inner liner of the cut pre-assembly and for giving an inner liner measuring signal indicative of the measured length of the inner liner.

Abstract: Tyre building drum having a turn-up mechanism for use in building an unvulcanised tyre using rubber tyre components, having two sets of turn-up arms (14), wherein each set of arms is connected to an axially shiftable arm support (17). The tyre building drum is provided with means on the one hand for shifting the arm supports in a first direction to move the sets of turn-up arms axially towards each other, wherein the arras are tiltable in radial planes from a starting position to a tilting position, and on the other hand for in a second direction, opposite the first direction, shifting the arm supports to move the arms axially apart from the tilting position into the starting position. The tyre building drum is provided with a pneumatic detection device (20) (23) for detecting whether at least one of the moving parts, such as the arms or the clamping device, are in the starting position, and for giving a detection signal indicating whether or not the arms are in the starting position.

Abstract: Cutting device for cutting strips from a band of material (8). The cutting device is provided with an elongate upper knife (1) and a lower knife (2) that is movable in longitudinal direction along the elongate upper knife (1), for cutting the material (8) by the movement of the lower knife (2) along the upper knife (1). The elongate upper knife (1) can be swiveled to at least substantially abutting contact with the lower knife (2), wherein the swiveling comprises at least a component transverse to the elongate upper knife (1). The upper knife (1) can be swiveled to against the lower knife (2) by means of an electromotor, in particular a servomotor (5), wherein the upper knife (1) exerts a force on the lower knife (2).

Abstract: Tyre building drum having a drum shaft and two drum halves arranged around the drum shaft. In the drum shaft one threaded spindle is arranged. On either side of the centre of the tyre building drum a driving nut is arranged on the spindle. Each driving nut is fixedly connected to the drum half in question via a connection part. Each drum half has a folding arm unit that is connected to the drum half in question so as to swing. The folding arm unit is movable in axial direction of the tyre building drum. Each drum half further has a bead ring core clamping unit intended for supporting and clamping a bead ring core. The bead ring core clamping unit is arranged on a cylindrical part. The cylindrical part is provided with a cylinder slot for accommodating the connection part and with a locking mechanism. The locking mechanism can be brought into engagement with the drum shaft.

Abstract: Assembly (1) for making at least a part of a tyre. The assembly (1) comprises a first building unit (3) having a first building drum (4) for a first tyre component and a second building unit (1) having a second building drum (2) for a second tyre component differing from the first tyre component. The assembly further comprises transfer means (5) for transferring tyre components between the first (4) and second (2) building drum. At least one of the building drums can be placed in an operative position in which the axis of rotation of the one building drum is out of line, but parallel, with the axis of rotation of the other building drum placed in an operative position.

Abstract: Device for manufacturing a cut-to-length pre-assembly for a tyre, wherein in the pre-assembly first and second side walls are situated on either side of an inner liner. The device comprises a supply conveyor for conveying the cut pre-assembly to the building drum. The device is provided with a first side wall measuring device for measuring the length of the first side wall of the cut pre-assembly and for giving a first side wall measuring signal indicative of the measured length of the first side wall, with a second side wall measuring device for measuring the length of the second side wall of the cut pre-assembly and for giving a second side wall measuring signal indicative of the measured length of the second side wall, and with an inner liner measuring device for measuring the length of the inner liner of the cut pre-assembly and for giving an inner liner measuring signal indicative of the measured length of the inner liner.

Abstract: Assembly comprising a tyre drum (1) including a turn-up mechanism (5) for use in building an unvulcanized tyre, wherein the tyre drum is provided with a central shaft (2), two bead clamps (11) and bead inner supports (13) placed around the shaft and axially spaced apart on either side of a centre plane of the tyre drum, means for radially expanding a part of the tyre components that is situated within the bead clamps, wherein the tyre drum on either side outside of the bead clamps is provided with a first and a second set of turn-up arms (5), respectively, wherein the arms at a first free end oriented towards the bead clamps are provided with a turn-up means, particularly a turn-up roller (7) or turn-up band, wherein the shaft (2) is designed hollow having a circumferential wall having an outer diameter, wherein each set of arms (5) with accompanying bead clamps (11) and bead inner supports (13) is disposed on a casing (10), of which the inner diameter corresponds with the outer diameter of the circumferentia

Abstract: The invention relates to a cutting device (1) for cutting strips from a web of material, particularly a web of unvulcanised rubber, more particularly cord reinforced, unvulcanised rubber, comprising a first element having a first cutting edge (14), a second element having a second cutting edge (15), wherein the first and second cutting edge are movable past each other for in cooperation cutting the strips, and a drive (12, 121) for mutually laterally adaptably adjusting the cutting edges with respect to each other.