Abstract: A pressing apparatus having a strainer cage and at least two feeding screws, which are arranged one behind the other in the feeding direction on a common screw shaft, wherein a pressure zone with no screw helix is arranged between the feeding screws. In the region of the pressure zone, the pressing apparatus according to the invention has a plurality of scraper shells, and these provide for improved efficiency of the pressing operation.

Abstract: A method and the device are used to control valves. The valves are arranged in the region of lines for a fluid. At least one first valve is in the form of a control valve arranged in the region of a primary line. At least one second valve is in the form of a switching valve. At least one branch is arranged downstream of the control valve in the region of a direction of flow. At least two secondary lines extend downstream of the branch. Each secondary line has one of the switching valves. The valves are connected to a control unit which coordinates the function of the valves.

Abstract: A pressing apparatus in a manner of a cage-type screw press, wherein the strainer cage is split up into a plurality of strainer-cage segments. The strainer-cage segments can be sealed along their adjacent sides with the aid of sealing devices so that liquids and solids are effectively prevented from escaping from the gaps between the strainer-cage segments.

Abstract: A method and a device for post-treating tyres after a vulcanization process, which supports slow and controlled cooling of the finished tyre containing residual heat from a first to a second temperature level within an insulating chamber of a PCD and with the optional use of internal tyre pressure by a support gas as part of a PCI function.

Abstract: A method and a device for the production of a green tire, in which at least two materials in strip form are positioned on a tire building drum. At least two cores are set in place. The tire building drum is equipped both with a core clamping device and with a core fixing device. The tire building drum is composed of a central part and of two drum halves arranged adjacent to the central part on both sides. The drum halves are arranged such that they can be positioned in an axial direction. The central part is equipped with a variable diameter in a radial direction. A radial enlargement of the diameter of the central part is performed before the cores are set in place.

Abstract: A device for loading at least one carcass drum with tire components for green tires, a tire-building machine and a method for producing green tires. The device for loading the at least one carcass drum with tire components includes a placing device, which can move linearly in the horizontal direction, for delivering material components to a carcass drum, wherein the at least one placing device can be moved vertically so that a vertical movement in addition to or alternatively to the horizontal movement is facilitated and, in this way, the ply server is designed to be self-opening.

Abstract: A handling device for tires having at least one extension arm, wherein the at least one extension arm is secured with a first extension arm pivot location to a receiving member in such a manner that a pivoting of the at least one extension arm relative to the receiving member is supported and the at least one extension arm has a second extension arm pivot location so that at least one gripping tool is coupled to the at least one extension arm. At least a second gripping tool is coupled to the second extension arm pivot location, and the at least two gripping tools can be pivoted relative to at least one extension arm pivot location. The invention further relates to a method for carrying out a loading and unloading cycle with tires of a tire vulcanization machine.

Abstract: A pressing device for tire-building machines, having a pressing device axis, a plurality of disk elements, and at least one force application device for applying force to at least one of the disk elements. The pressing device is divided into at least two zones and the zones are equipped with force application devices of different types such that a surface pressure made uniform or a surface pressure gradient can be applied to a tire semifinished-product web in some regions by the plurality of disk elements.

Abstract: A device is used to vulcanize tire blanks and has at least one heatable mold for receiving the tire blank. Furthermore, the device has at least one controllable supply device for a heating medium, which is provided with at least one valve. The valve has a positioning device that is actuated by a liquid fluid.

Abstract: A blank stand for receiving and/or temporarily storing at least one tire blank and to a logistics system for realizing a flow of material of tire blanks to tire manufacturing plants with at least one blank stand, wherein the blank stand and the further components of the logistics system are designed such that handling and transport functions are supported in different height levels relative to a floor level of the hall.

Abstract: A method and a device for vulcanizing tires. An expandable bellows is used for pressing the tire being vulcanized against segments of a mold. The bellows is arranged on a carrier which has an annular shape.

Abstract: A device is disclosed for turning up the side walls of tyres on a shaping drum for shaping a tyre carcase, the spindle arrangement of which has a central spindle and at least two side spindles running in parallel, between which the central spindle extends, wherein the central spindle and the side spindles are drivable in a mutually independent manner and the core clamping devices are allocated to the central spindle and the turn-over devices are allocated to the side spindles or the turn-over devices are allocated to the central spindle and the core clamping devices are allocated to the side spindles.

Abstract: A device and to a method for adjusting the height of a mold of a tire curing press, and to a tire curing press. The mold has at least two mold parts that can be positioned relative to each other. At least two double-acting fluid cylinders and at least one guide element are used. Positions are secured by at least one locking device.

Abstract: A vertical position fixing of a treatment chamber inside a tire vulcanizing machine for the fastening of treatment chamber elements at least during a vulcanization process so that in the closed position at least one defined vertical distance H can be fixed, wherein fixing elements are provided on at least one treatment chamber element and are designed in such a way that a fixing which is releasable and absorbs the occurring forces is facilitated.

Abstract: A handling device for tires, having at least one gripping tool and an outrigger, wherein the outrigger by way of a first outrigger pivot point is fixed to a receptacle in such a manner that pivoting of the outrigger relative to the receptacle along a motion trajectory is supported. The outrigger has a second outrigger pivot point which couples the at least one gripping tool by way of a tool arm to the outrigger in such a manner that pivoting of the tool arm relative to the outrigger and/or to the receptacle along the motion trajectory is supported. At least one coupling at least partially coordinates the pivoting movements about the outrigger pivot points in such a manner that a total motion trajectory of the gripping tool is supported by way of at least partially superposed pivoting movements.

Abstract: The invention relates to a device for preheating at least one mold for a tire heating press, which has a coupling for applying a heating medium to the mold. The mold to be heated is enclosed by a receiving container (19), which is secured within a framework and creates the coupling for the heating medium. The device helps to provide effective preheating of the mold by an insulating shroud (2), which is positioned over the receiving container (19) during the preheating process and reduces heat dissipation into the surroundings.

Abstract: The device serves for extruding and includes an extrusion head for connection to at least two extruders. Moreover, in the area of the extrusion head, at least one tool is arranged for shaping a product composed of at least two extruded materials. At least one expanding element is arranged in an area of the tool facing the extrusion head. The expanding element is constructed so as to be essentially smooth in an area of a first surface and has at least one flow path for the extruded material in the area of its second surface facing away from the first surface.

Abstract: The method and the device serve for aligning a belt strip, which has a middle part and triangular end pieces. The belt strip is wound onto a tire building drum in such a way that the triangular end regions extend next to one another, at least in certain regions. At least one of the triangular regions is changed in its alignment, at least in certain regions.

Abstract: The device serves for extruding and includes an extrusion head for connection to at least two extruders. Moreover, in the area of the extrusion head, at least one tool is arranged for shaping a product composed of at least two extruded materials. At least one expanding element is arranged in an area of the tool facing the extrusion head. The expanding element is constructed so as to be essentially smooth in an area of a first surface and has at least one flow path for the extruded material in the area of its second surface facing away from the first surface.

Abstract: A method and a device for pressing a liquid extract from a material to be pressed include a screw press which conveys the material to be pressed along a pressing route and applies pressure to it. In addition, at least one extracting agent is added to the material to be pressed and is removed, together with the extract, from the pressed material. The extracting agent is supplied to the material to be pressed in an amount that is no more than twice the weight of the extract contained in the material to be pressed. At least a portion of the extracting agent dissolves in the extract.