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 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: 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 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: 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

Abstract: The present invention relates to a sulfur-crosslinkable rubber composition comprising a filler component in an amount in the range of 1 to 350 phr, and at least one graft copolymer having a modified diene rubber backbone and one or more oligomeric side chains grafted to the modified diene rubber backbone, wherein the oligomeric side chains are obtained through reversible addition fragmentation chain transfer polymerization of a monomer composition, and wherein the monomer composition comprises at least one polar monomer.

Abstract: The present invention relates to a process for obtaining aging-resistant natural rubber, to a rubber composition comprising the thus-obtained natural rubber and to the use of this composition for producing consumer goods.

Abstract: Pneumatic vehicle tire having a profiled tread (3), side walls (5) and rounded tire shoulders, wherein, when the tire is mounted on a rim, the tread (3) has, in a first operating state with no load, a first contact surface and outside of the contact surface has profiled shoulder portions (4) extending in the direction of the side walls (5). The shoulder portions (4) have blocks (8a, 8b), between which grooves (9a, 9b) extending in the direction of the side walls (5) are provided and which are provided with sipes (11, 12, 13) and/or grooves extending in the direction of the side walls (5), wherein, in at least one further operating state of the tire mounted on the rim, the tire has a further contact surface, which is wider than the first contact surface and at least partially includes the shoulder portions (4) and the profiling thereof.

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) and the heating press upper part (3) can be moved independently of one another and relative to one another in the axial direction (P1), wherein the cylindrical hood upper part (4) 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 heating press upper part (3) is open, wherein at least one respective vacuum-tight seal (5) is arranged on those surfaces at which the hood upper part (4) directly adjoins the heating press upper part (3) and—when the hood interior space (12) is closed—the heating press lower part (6), in or

Abstract: The invention relates to a pneumatic vehicle tire, in particular utility vehicle tire, having a tread with at least one profile rib (1) which runs around in the circumferential direction, is delimited on at least one side by a circumferential groove (2a) formed to a profile depth (T1), and is traversed by sipes (3), which extend parallel to one another and at an angle of 0° to 50° in relation to the axial direction at least in groups in plan view and have a width (bE) of 0.4 mm to 3.0 mm, wherein each sipe (3) has a sipe main portion (3b) extending over the majority of its extent and by way of a respective sipe edge portion (3a) leads into each circumferential groove (2a) delimiting the profile rib (1), wherein the sipe main portion (3b) and the sipe edge portion (3a) have a respective depth (ta, tb) in a radial direction and the depth (ta) of the sipe main portion (3b) differs from the depth (tb) of the sipe edge portion (3a).

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 the heating press upper part (3) has a hood upper part (4) mounted thereon and a container (2), which contains mold parts (16, 18, 21) of a segmented vulcanizing mold, in this hood upper part (4), wherein the hood upper part (4) has a first circular ring (23), which is arranged fixedly on the heating press upper part (3), and a second circular ring (24), which adjoins this first circular ring coaxially in an axial direction and can be telescopically retracted and extended in over the first circular ring (23) in an axial direction P1, wherein vacuum-tight seals (5, 9) are arranged between the two circular rings (23, 24) and between the second circular ring (24) and the heating press lower part (6), wherein, after a first partial stroke (TH1), the hood upper part (3) can be moved in such a way that it rests on the heating press lower part (6) by way of the exte

Abstract: A pneumatic vehicle tire, in particular utility 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. At least over part of the circumference of the pneumatic vehicle tire, at least one circumferential groove (1) has a cross section perpendicularly to the circumferential direction that is made up of at least two groove portions adjoining one another in a radial direction R of the pneumatic vehicle tire. A first groove portion (4) is symmetrical with respect to the radial direction R of the pneumatic vehicle tire. The width of said groove portion in the axial direction A of the pneumatic vehicle tire is less than 3 mm and does not vary by more than 10%. A second radially inner groove portion (5) is made wider in the axial direction A in comparison with the first groove portion (4).

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 the heating press upper part (3) has a hood upper part (4) mounted thereon and a container (2), which contains mold parts (16, 18, 21) of a segmented vulcanizing mold, in this hood upper part (4), wherein the hood upper part (4) has a first circular ring (23), which is arranged fixedly on the heating press upper part (3), and a second circular ring (24), which adjoins this first circular ring coaxially in an axial direction and can be telescopically retracted and extended out over the first circular ring (23) in an axial direction P1, wherein vacuum-tight seals (5, 9) are arranged between the two circular rings (23, 24) and between the second circular ring (24) and the heating press lower part (6), wherein, after a first partial stroke (TH1), the hood upper part (3) can be moved in such a way that it rests on the heating press lower part (6) by way of the ext

Abstract: The invention relates to a tire comprising an apparatus, wherein the apparatus comprises a first, second, third, fourth and fifth layer, the third layer being optional, characterized in that: a) the first layer comprises a first electrode material, b) the second layer comprises a first intermediate material, c) the third layer comprises an insulation material, d) the fourth layer comprises a second intermediate material, and e) the fifth layer comprises a second electrode material, wherein the first intermediate material of the second layer and the second intermediate material of the fourth layer are different, the five layers are arranged one above the other according to the above sequence, and the surface of the second or fourth layer layers has a surface roughness Ra in the range from 0.1 ?m to 500 ?m, measured in accordance with DIN EN ISO 4288:1998. The invention relates to the uses of the apparatus.

Abstract: The invention relates to a device (1) for transporting compressed air and/or sealant into a pneumatic vehicle tire, comprising at least one gas connection (3) for connecting to at least one compressed-air source (24), at least one sealant connection (2) for connecting to at least one sealant container (6), at least two channels, wherein a first channel is a sealant transport channel (4) for transporting a sealant dispersion from the sealant connection into a pneumatic vehicle tire and a second channel is a compressed-air transport channel (5) for transporting compressed air to the sealant connection or to the sealant transport channel, wherein the sealant dispersion comprises sealant particles and compressed air as dispersion matrix, characterized in that the device has a movable switchover element (7), wherein the movable switchover element can be moved in the direction of the sealant connection by means of a compressed-air flow coming from the gas connection and has a severing portion (8) for severing a sea

Abstract: The invention relates to a pneumatic vehicle tire (L) having at least one acoustic element (8), wherein the tire (L), fitted on a wheel rim (16), encloses with the rim (16) a space inside the tire (17), wherein the acoustic element (8) comprising a body (12) and a layer (13) is arranged on an inner tire surface (10) involved in delimiting the space inside the tire (17), wherein the body (12) is arranged on the inner tire surface (10) and wherein the layer (13) is arranged on a surface region of the body (12) that is facing the space inside the tire (17). The object is to provide a tire which has improved acoustic properties with less use of porous noise-reducing material and the acoustic element of which is more resistant to pressure changes.

Abstract: The invention relates to a pneumatic vehicle tire, which has a tread (1), which has a tread segment (6) that is arranged radially outside, said tread segment having a material strip (7) that is arranged helically in windings approximately in the circumferential direction, wherein the material strip (7) in the region of the tread segment (6) has at least two layers (8, 9) in the longitudinal direction of the material strip, wherein the first layer (8) is formed of a first rubber mixture and the second layer (9) is formed of a second rubber mixture and wherein the layers (8, 9) connect the radially outer surface (10) to the radially inner surface (11) of the tread segment (6). The problem addressed by the invention is the creation of a pneumatic vehicle tire that has advantageous snow driving behavior and, at the same time, improved properties on a dry roadway. In addition, the tire should be simple to produce.

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 dye. The compound according to the invention has the formula I).

Abstract: A pneumatic vehicle tire, in particular a commercial-vehicle tire, having a one- or multi-ply carcass, a multi-ply belt or breaker and having a profiled tread with grooves formed to a profile depth, wherein the profiled tread is provided at the tire shoulders either with a respective block row (2) or with a respective profile rib (7), wherein the blocks (1) of the shoulder-side block rows (2), or the shoulder-side profile ribs (7) each have a peripheral edge (1a, 7a) laterally delimiting the ground contact patch of the tire, or a shoulder rounding with a radius of up to 30.0 mm, wherein shoulder flank surfaces that extend in a radial direction adjoin the peripheral edges or the shoulder roundings, and wherein, in the case of shoulder roundings, an imaginary section line is defined between an envelope of the tread that is continued beyond the shoulder rounding and the shoulder flank surface that is continued beyond the shoulder rounding.