Abstract: Disclosed is a first drum half together with a second drum half forming a tire building drum of a tire building machine, and a method for operating the machine. The machine includes a first drive member and a second drive member movable in the axial direction inside the drum shaft. The first drum half includes a base movable over the drum shaft in an axial direction, a crown-up section having a plurality of crown segments and a displacement member for displacing the crown segments in a crown-up direction, wherein the first drum half further includes a first coupling member for coupling the first drive member to the base to drive the movement of the base and a second coupling member for coupling the second drive member to the displacement member to drive the displacement of the crown segments.

Abstract: A net includes at least two ropes (2, 4), at least one mesh, wherein at least one corner of a mesh is formed by a knot (15) formed by two of the ropes (2, 4). The knot includes a first and a second opening (6, 8) in the first rope (2) through which the second rope (4) passes, and a first opening (10) in the second rope (4) through which the first rope (2) passes. A part of the first rope (2) is being positioned in the first opening (10) in the second rope (4) being in between the first and second opening (6, 8) of the first rope (2).

Abstract: Provided is a tire building drum and a method for shaping tire components on the tire building drum, wherein the tire building drum has an annular sleeve that extends over turn-up arms in the longitudinal direction of the turn-up arms. The sleeve is elastic in the circumferential direction and fits elastically around the turn-up arms. The sleeve is provided with inelastic reinforcement elements extending in at least a part of the sleeve in a reinforcement direction transverse to the circumferential direction of the tire building drum, and has a fixed end that is retained in the axial direction and a movable end that is movable over the turn-up arms in their respective longitudinal directions.

Abstract: A method for manufacturing a tyre is provided, in particular a run-flat tyre. The method includes providing a drum with a first shrink section and a second shrink section. Each shrink section is provided with a shrink surface that is radially movable. The method includes moving the shrink surfaces radially inwards with respect to the central axis from a level position to a shrink position in which the drum, at the shrink surfaces, has a circumference with a second diameter that is smaller than the first diameter, while creating a partial vacuum between the shrink surfaces and a first tyre layer at the first shrink section and the second shrink section. The method further includes shrinking the first tyre layer onto the shrink surfaces in the shrink position under the influence of the partial vacuum. A drum for use in the aforementioned method is also disclosed.

Abstract: The invention relates to an assembly and a method for manufacturing a green tire and/or a green air spring. The device comprises a template having a shaping surface (2) for placing a tire component thereon comprising a layer of unvulcanized rubber for the green tire and/or green air spring. The shaping surface (2) is provided with an attachment surface (9) for at least temporarily retaining at least a leading section of the tire component. The attachment surface (9) comprises a number of adhering surface sections (3) with non-adhering surface sections (4) placed in between them, wherein the non-adhering surface sections (4) are at least partially receded with respect to the adhering surface sections (3). In one embodiment the attachment surface (9) comprises a substantially saw-tooth-shaped cross-section.

Abstract: A net includes at least two ropes (2, 4), at least one mesh, wherein at least one corner of a mesh is formed by a knot (15) formed by two of the ropes (2, 4). The knot includes a first and a second opening (6, 8) in the first rope (2) through which the second rope (4) passes, and a first opening (10) in the second rope (4) through which the first rope (2) passes. A part of the first rope (2) is being positioned in the first opening (10) in the second rope (4) being in between the first and second opening (6, 8) of the first rope (2).

Abstract: The invention provides a building drum for building an unvulcanized tire or air spring using rubber components. The building drum comprises a central shaft and a casing that can be slid onto the shaft. The casing is detachably attached to the shaft via a coupling pin that can be moved to a coupled position for mutually coupling the shaft and the casing and into an uncoupled position in which the casing can be removed from the central shaft. The casing further comprises a locking device with a locking pin, wherein the locking pin is adapted for, in the coupled position of the coupling pin, engaging thereon for substantially blocking a movement of the coupling pin. The locking device comprises a locking member that in a condition in which the locking pin does not engage onto the coupling pin, is placed such that it prevents a connection of lines to the casing, and/or provides an indication of the casing being mounted incorrectly.

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 relates to an assembly and a method for manufacturing a green tyre and/or a green air spring. The device comprises a template having a shaping surface (2) for placing a tyre component thereon comprising a layer of unvulcanized rubber for the green tyre and/or green air spring. The shaping surface (2) is provided with an attachment surface (9) for at least temporarily retaining at least a leading section of the tyre component. The attachment surface (9) comprises a number of adhering surface sections (3) with non-adhering surface sections (4) placed in between them, wherein the non-adhering surface sections (4) are at least partially receded with respect to the adhering surface sections (3). In one embodiment the attachment surface (9) comprises a substantially saw-tooth-shaped cross-section.

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: Method and assembly for manufacturing a green tyre using a building drum (1) and a transfer device (3). The method comprises a step of arranging and forming a first tyre component assembly for the green tyre on a building drum (1), a step of placing the transfer device (3) around the building drum, a removal step of the first tyre component assembly for the green tyre being removed from the building drum (1) by the transfer device (3). After the removal step second tyre components for the same green tyre are arranged on the building drum (1), followed by a step of placing the transfer device (3) around the building drum (1), and a step of placing the first tyre component assembly on the second tyre components.

Abstract: The invention provides a building drum for building an unvulcanized tyre or air spring using rubber components. The building drum comprises a central shaft and a casing that can be slid onto the shaft. The casing is detachably attached to the shaft via a coupling pin that can be moved to a coupled position for mutually coupling the shaft and the casing and into an uncoupled position in which the casing can be removed from the central shaft. The casing further comprises a locking device with a locking pin, wherein the locking pin is adapted for, in the coupled position of the coupling pin, engaging thereon for substantially blocking a movement of the coupling pin. The locking device comprises a locking member that in a condition in which the locking pin does not engage onto the coupling pin, is placed such that it prevents a connection of lines to the casing, and/or provides an indication of the casing being mounted incorrectly.

Abstract: Tyre building drum comprising a main housing having a drum shaft extending from the main housing and two first and second drum halves arranged at least almost substantially symmetrical with respect to the centre of the tyre building drum and around the drum shaft, which drum halves can be moved in axial direction along the drum shaft. Each drum half comprises a folding arm unit having folding arms that are connected to the drum half in question in a swivelling manner and wherein the folding arm unit can be moved in axial direction along the drum shaft. In the drum shaft at least two pull/push rods are arranged that are movable in axial direction and extend up into the main housing and in the main housing on the one hand are coupled to a drive mechanism. On the other hand a first pull/push rod is coupled to the folding arm unit of the first drum half, and a second pull/push rod is coupled to the folding arm unit of the second drum half.

Abstract: A food product enriched with one or more methylxanthines is provided. The food product comprises a total amount of from 100 to 3000 milligram of methylxanthines per unit amount of the food product, and further comprises a polymeric polyphenol compound that has a molecular weight equal to or above 500 gram per mole and which is complexed with the one or more methylxanthines, wherein the weight ratio of the polymeric polyphenol compound to the one or more methylxanthines is from 10:1 to 1:10 A method for the production of such food products is also provided.

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: Tyre building drum comprising a main housing having a drum shaft extending from the main housing and two first and second drum halves arranged at least almost substantially symmetrical with respect to the centre of the tyre building drum and around the drum shaft, which drum halves can be moved in axial direction along the drum shaft. Each drum half comprises a folding arm unit having folding arms that are connected to the drum half in question in a swivelling manner and wherein the folding arm unit can be moved in axial direction along the drum shaft. In the drum shaft four pull/push rods are arranged that are movable in axial direction and extend up into the main housing and in the main housing on the one hand are coupled to a drive mechanism.

Abstract: Belt drum, particularly for shaping a belt layer and/or a tread layer or another tire component provided with metal parts and the like into a circumferential whole, wherein the drum is rotatable about a center line, comprising a number of support members having a rigid support surface for the tire component and situated at the circumference of the drum, wherein considered in a cross-sectional plane containing the center line, the support members comprise middle support sections and side support sections movably connected thereto, wherein the middle sections of the support members are moveable by first movement means between a first position, in which the respective support member forms a support surface that is parallel to the center line, and at least one second position, in which a substantially convex support surface is formed by the respective support member, wherein the first movement means are connected to the middle support sections in order to at least keep them parallel to the center line in at least

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: Device for building a tyre having a drive unit driving a drum shaft. Around the drum shaft a building drum having a first and a second building drum half is arranged. A pressure medium coupling rotatable about the drum shaft is provided with pressure medium connections. Each building drum half is provided with a number pressure medium connections. The pressure medium connections of the first building drum half are connected to the pressure medium connections of the rotatable pressure medium coupling by means of a first tube set, wherein in the drum shaft pressure medium ducts have been arranged which at one side are connected to the rotatable pressure medium coupling and at the other side are connected to the pressure medium connections of the second building drum half by means of a second tube set.