Abstract: The invention relates to a silane, to a rubber mixture containing the silane and to a vehicle tire comprising the rubber mixture in at least one component.

Abstract: A method for the weight-dependent control of the internal pressure of a supporting body loaded by a weight load or payload, wherein the internal pressure is produced by means of an electric-motor-driven compressor, and the weight load or payload which is present and which acts on a supporting body in the form of a mass mLoad under the effect of acceleration due to gravity g is determined in that a reduction and a subsequent increase in the internal pressure take place, wherein the increase in the internal pressure causes the position of an application point of the weight load or payload to change by a position difference ?Z, wherein: during the increasing of the internal pressure by means of the compressor, the motor current ILoad of the drive motor of the compressor is measured with a constant motor voltage U and integrated over the time of the increase in pressure, and the electrical work WLoad which is necessary for the change in position is determined therefrom, wherein the electrical work WLoad the el

Abstract: The invention relates to a process for obtaining natural rubber from plant material containing at least the step of milling the plant material with at least one ball mill comprising milling media. The invention further relates to the natural rubber obtained by this process and to the use of at least one ball mill comprising milling media for milling plant material when obtaining natural rubber from plant material. In the process, the ball mill has a nonmetallic lining and/or the milling media have at least a nonmetallic surface.

Abstract: The invention relates to a puncture assistance device 1 for sealing and inflating vehicle tires, comprising a pressure source, the puncture assistance device 1 having at least one battery, which supplies power to the pressure source. The invention also relates to a method for charging such a puncture assistance device 1, the puncture assistance device 1 being charged in a vehicle by means of a power supply interface 9 and/or inductively. The invention is directed to a system for charging a puncture assistance device 1, comprising a vehicle with an inductive charging surface, and a puncture assistance device 1 of this type, the puncture assistance device 1 being arranged in the charging region of the inductive charging surface in the vehicle.

Abstract: The invention relates to a pneumatic tire for a vehicle, having at least one surface element (2) that is formed on the outer surface of the tire and has a structure (6) which contrasts with a base level (NB) and gives the surface element (2) a roughness. The contrast structure (6) is formed by a multiplicity of contrast structure cells (6a), which coincide in shape in plan view and are joined together in the form of a grid, wherein the contrast structure cells (6a) have irregular peak and trough structures (6b) of a surface-covering configuration, wherein the arrangement of the contrast structure cells (6a) and the configuration of the irregular peak and trough structures (6b) are such that, when considered in plan view, the irregular peak and trough structures (6b) can be transferred one into the other by congruence mapping.

Abstract: A pneumatic vehicle tire having two or more belt plies which have reinforcement members crossing at an angle. The reinforcement members within each belt ply are arranged substantially parallel to and spaced apart from one another and are embedded in rubber material. The belt has at least one first belt ply, the reinforcement members of which are formed by ultra-tensile steel monofilaments having a tensile strength of 3080 N/mm2 to 4190 N/mm2. The steel monofilaments have a diameter D of 0.33 mm to 0.37 mm. This provides, at lower cost, a pneumatic vehicle tyre with low rolling resistance, by way of simultaneously simplified production. This is achieved in that the steel monofilaments have a torsion value of approximately zero windings in the case of a length dimension of 200 times the diameter of the steel monofilament.

Abstract: A commercial vehicle tire intended for mounting on an E.T.R.T.O. Standards Manual standardized 15° drop-center rim (width codes 5.25 to 9.75) with two rim flanges (2) and with two rim sections (3), each with a bead seat surface (3a), wherein the commercial vehicle tire has two bead regions with bead cores (4) and in each case one bead toe (6) and one bead contour on the outside of the tire and one on the inside of the tire, which bead contours adjoin one another at the bead toe (6), wherein each bead contour on the outside of the tire has a first segment (S1), which is in contact with the rim flange (2) when the commercial vehicle tire is mounted on the rim (1), and an outer contour region, which is at least partially in contact with the bead seat surface (3a) when the commercial vehicle tire is mounted on the rim (1).

Abstract: A heating press (1) for vulcanizing a vehicle tire under a vacuum, having a heating press upper part (3) and a heating press lower part (6), wherein a circular-ring-shaped hood upper part (4) with a container (2) having the mold parts (14, 16, 17, 18, 21) of a vulcanizing mold is arranged on the heating press upper part (3), and wherein the heating press upper part (3) can be moved in an axial direction (P1) in such a way that the hood upper part (3) can be moved onto the heating press lower part (6) to form a closed hood interior space (12), wherein a press plate (23) is arranged above the container (2) in the hood upper part (4) such that this press plate (23) and thus the container (2) can be moved in the axial direction (P1), wherein at least one vacuum-tight seal (5) is arranged at least in the end face (24) of a hood part (4), wherein, in the course of a first stroke (H1), the hood upper part (3) can be moved in such a way that it rests on the heating press lower part (6) and the interior space of th

Abstract: The invention relates to a vehicle tire (1), having a tread face (3), the tread face (3) having at least one new tire marking (4, 7, 8) of a surface (5) which is at least partially higher than the surrounded surface of the tread face (3). The invention also relates to a method for producing a vehicle tire (1) with at least one new tire marking (4, 7, 8), in particular a described vehicle tire (1), the vehicle tire (1) being produced in a tire heating mold (2), the tire heating mold (2) having at least one at least partially engraved negative of a new tire marking (10, 13, 14) in the region of the tread face (3). The invention further relates to a tire heating mold (2) for a described method for producing a vehicle tire (1) having at least one new tire marking (4, 7, 8), in particular a described vehicle tire (1), wherein the tire heating mold (2) has an engraved negative of a new tire marking (10, 13, 14) in the region of the tread face.

Abstract: The invention relates to a vulcanization mold for pneumatic vehicle tires with cast mold segments (1) forming a tread of a pneumatic vehicle tire, which at least have ribs (5, 6) for forming grooves in the tread and sipes (11) for forming incisions in the tread. The invention was based on the object of creating a vulcanization mold of the type described at the outset which, while retaining the inexpensive casting method for the mold segments, enables tread profiles to be formed with grooves and incisions, with the incisions being able to have chamfers in the transition to adjacent blocks in the tread profile and in which the manufacturing limitations described are minimized. This object is achieved in that the elements (5, 6, 11) for producing grooves and incisions are at least partially subsequently introduced into the mold segments (1) after the mold segments (1) have been cast.

Abstract: The invention relates to a sulfur-crosslinkable rubber mixture, to a vulcanizate and to a vehicle tire. The sulfur-crosslinkable rubber mixture contains at least the following constituents: 50 to 100 phr of at least one polyisoprene selected from the group consisting of natural and synthetic polyisoprene and 5 to 500 phr of at least one silica and at least one silane B having the general empirical formula I) (R1)oSi—R2—Sn—R2—Si(R1)o where the R2 radicals may independently be the same or different and are unbranched alkylene groups having 6 to 20 carbon atoms, preferably 6 to 10 carbon atoms, and where n is an integer from 2 to 10.

Abstract: A pneumatic vehicle tire having a tread (2) which has a profiling and which has at least one circumferential groove (1) which runs in encircling fashion in the circumferential direction of the pneumatic vehicle tire and is formed to a profile depth PT and which has, in alternating fashion over the entire tire circumference over partial sections (21, 24) of the circumference of the pneumatic vehicle tire, a first cross section perpendicular to the circumferential direction and a second cross section perpendicular to the circumferential direction.

Abstract: The invention relates to a compound, to a rubber mixture containing the compound, to a vehicle tire comprising the rubber mixture in at least one component, to a process for producing the compound and to the use of the compound as an aging stabilizer and/or antioxidant and/or antiozonant and/or dye. The compound according to the invention has the formula I).

Abstract: The invention relates to a vehicle tire (1) with sidewalls (2) and a tread (3) and with at least one hatched area (4) on at least one of the sidewalls (2) and/or the tread (3), wherein the hatched area (4) has elongated hatching ribs (5) which are arranged largely parallel to one another. The invention also relates to a vulcanization mold and to a method for producing the vehicle tire. The object is to influence the contrast effect in an even more targeted fashion and to further increase the contrast effect. It is also intended to make it possible for the tire to be produced reliably by means of a vulcanization mold. This is achieved by each hatching rib (5) having branches (7), wherein in each case precisely one short transverse elevation (6) branches off from each branch (7) of the branches, and by the short transverse elevations (6) all branching off on a same first side (9) of the hatching ribs (5) and ending in a free end (8).

Abstract: A process for producing a rubber mixture in a mixing apparatus having at least one mixing chamber (4, 4?) in which rotors (5) are disposed, wherein a plant control system process parameters (especially the speed of the rotors (5), the suction output of a suction device (13, 14, 15) and the mixing time) are controlled by open- and closed-loop control is provided, wherein at least one rubber is mixed in the mixing chamber with at least one filler, especially silica, preferably with addition of at least one coupling agent, especially a silane, and wherein the gas mixture present in and above the mixing chamber is sucked out by the suction device, wherein volatile organic compounds, especially alcoholic gases, present in the gas mixture sucked in are detected continuously, wherein, in the event of exceedance of a concentration of organic compounds in the gas mixture sucked in that has been defined as the control limit, the concentration measured is employed as control variable in the plant control system for clos

Abstract: The invention relates to a breakdown assistance device 1 for sealing and inflating vehicle tires 5, comprising a feed opening for feeding in a sealant, and a pressure source, wherein the breakdown assistance device 1 has at least one interface 6 that is designed for supplying power and for transmitting data. The invention furthermore relates to a breakdown assistance device 1 for sealing and inflating vehicle tires 5, comprising a distributor device 9 with a sealant and a pressure source with an electric motor that is designed for a rated voltage of greater than 12 volts, wherein the breakdown assistance device 1 has at least one interface 6 that is designed for supplying power and for transmitting data. The invention furthermore relates to a method for controlling such a breakdown assistance device 1 and to a system for sealing and inflating vehicle tires 5, comprising such a breakdown assistance device 1 and an on-board computer 4 of a vehicle 2.

Abstract: The invention relates to a rubberized strength member for elastomeric products, especially vehicle tires, wherein the strength member includes at least one first yarn, to a process for producing the rubberized strength member and to a motor vehicle tire including at least one rubberized strength member. According to the invention, the first yarn is a yarn of HMLS-PET comprising recycled PET.

Abstract: The invention relates to a pneumatic vehicle tyre having a tread with at least one profile block row (3), which is delimited at each side by a respective circumferential channel (4, 5) and which is divided into profile blocks (3a) by a multiplicity of transverse channels (6) which open into both circumferential channels (4, 5) and which run parallel to one another in plan view, wherein each transverse channel (6), as seen in plan view, is made up of two channel portions (6a, 6b) which adjoin one another at an obtuse angle (?) of 100° to 160°. In each profile block (3a) there is formed a blind channel (7) which opens into both channel portions (6a, 6b) of a transverse channel (6) and which is elongate in plan view and which, with the transverse channel (6), forms a channel combination running in a Y shape in plan view, which blind channel (7) has a width (bR), determined at the tread periphery, of 1.0 mm to 6.0 mm and runs at an angle (?) of 0° to 60° with respect to the circumferential direction.

Abstract: The invention relates to a commercial vehicle tire which is cold-retreadable and comprises sidewalls (5), belt plies (2a) and a profiled tread (1) with shoulder flanks (8a) located outside the ground contact area and running to the sidewalls (5), wherein a buffing indicator (9, 9?, 9?) for indicating the buffing depth is provided on at least one shoulder flank (8a), running around in the circumferential direction, possibly interrupted in some portions and formed by a multiplicity of elevations (10), wherein the elevations (10) have with respect to the level of the shoulder flank (8a) a maximum thickness, determined perpendicularly to this level, of 0.5 mm to 2.0 mm. The elevations (10) of the buffing indicator (9, 9?, 9?) are dome-shaped and have a circular base area with a diameter of 0.5 mm to 2.0 mm.

Abstract: A heating press (1) for vulcanizing a vehicle tire under a vacuum, comprising a heating press upper part (3) and a heating press lower part (6), wherein a container (2) having the mold parts (14, 16, 17, 18, 21) of a segmented vulcanizing mold and a cylindrical hood upper part (4) enclosing said container are arranged on the heating press upper part (3), wherein the hood upper part (4) is arranged fixedly on the heating press upper part (3), wherein the diameter of the hood upper part (4) is dimensioned such that said hood upper part can be pushed over the heating press lower part (6) with a small clearance and said hood upper part has a length (23) which is sufficient to form a closed hood interior space (12) with the heating press lower part (6) and heating press upper part (4) when the vulcanizing mold is still open, wherein, in the course of a first stroke (H1), the heating press upper part (3) can be moved in the axial direction (P1) in such a way that the hood upper part (4) forms a vacuum-tight hood