Abstract: A pneumatic vehicle tire, in particular utility vehicle tire, having a tread which has a directional profiling with shoulder-side and middle profile ribs running in a circumferential direction, wherein at least one of the middle profile ribs (1), which is in particular a profile rib running along the tire equator, is traversed in an axial direction by sipes (4) with a width (b1) of 0.5 mm to 1.2 mm, each of which has a central portion (4a), in which the sipe (4) runs with an undulation in the direction of extent thereof, and two lateral portions (4b). The sipes (4) extend, in plan view, in an arc shape and symmetrically with respect to the centerline of the profile rib (1), and, in the lateral portions (4b) and in the central portion (4a), have a uniform undulation running in the radial direction, on which the undulation present in the extent direction of the sipes (4) is superposed only in the central portion (4a) of the sipe (4).

Abstract: The invention relates to a process for producing a vulcanizable composite material, comprising the steps of: a) producing or providing a textile strength member, b) treating the textile strength member with an aqueous dispersion for adhesive activation of the textile strength member and to obtain an adhesion-activated textile strength member and c) introducing the adhesion-activated textile strength member into a crosslinkable rubberization mixture to obtain the vulcanizable composite material, wherein the aqueous dispersion is essentially free of free resorcinol and resorcinol precondensates, especially resorcinol-formaldehyde precondensates, and is free of free formaldehyde and formaldehyde-releasing substances, wherein the crosslinkable rubberization mixture is processible by vulcanization to give a crosslinked rubberization mixture which is at least partly transmissive to visible light at least in sections.

Abstract: A process for producing a vulcanizable composite material, including the steps of: a) producing or providing a textile strength member, b) treating the textile strength member with an aqueous dispersion for adhesive activation of the textile strength member and to obtain an adhesion-activated textile strength member and c) introducing the adhesion-activated textile strength member into a crosslinkable rubberization mixture to obtain the vulcanizable composite material, wherein the aqueous dispersion is essentially free of free resorcinol and resorcinol precondensates, especially resorcinol-formaldehyde precondensates, and is free of free formaldehyde and formaldehyde-releasing substances, wherein the crosslinkable rubberization mixture is processible by vulcanization to give a crosslinked rubberization mixture which is at least partly transmissive to visible light at least in sections.

Abstract: A metallic strength member rubberized with a sulfur-crosslinkable, essentially cobalt-free rubberization mixture, wherein the metallic strength member is a steel cord containing one or more filaments, wherein the filaments include a steel substrate filament and a coating that partly or completely covers the steel substrate filament, wherein the coating includes brass consisting of copper and zinc, and wherein the coating is enriched with iron in the form of particles having a size between 10 and 10 000 nm in the brass. In order to optimize vulcanization times, the rubberization mixture contains 0.5 to 3 phr of at least one sulfenimide accelerator and/or at least one dibenzylamine-based sulfenamide accelerator.

Abstract: The invention relates to a pneumatic tire for a vehicle, having formed on its outer surface at least one surface element (2) with a contrast structure (6) which imparts a roughness to the surface element (3). In the case of a tire of said type, it is the intention to make available a contrast structure with a considerably improved contrast effect. This is achieved in that the contrast structure (6) is a large-area, nonuniform hill-and-dale contrast structure (6) having an areal roughness value Sa according to EN ISO 25178 of 50 ?m to 150 ?m.

Abstract: Systems for depositing coatings onto surfaces of molds and other articles are generally provided. In some embodiments. a system is adapted and arranged to cause gaseous species to flow parallel to a filament array. In some embodiments, a system comprises one or more mold supports that are translatable.

Abstract: Systems for depositing coatings onto surfaces of molds and other articles are generally provided. In some embodiments, a system is adapted and arranged to cause gaseous species to flow parallel to a filament array. In some embodiments, a system comprises one or more mold supports that are translatable.

Abstract: A sulfur-crosslinkable rubber mixture and a process for producing the sulfur-crosslinkable rubber mixture, in which the sulfur-crosslinkable rubber mixture contains at least the following constituents: a) 30 to 95 phr of at least one butadiene rubber; and b) 5 to 70 phr of at least one further rubber; and c) 0.1 to 3.0 phr of an oligomer mixture of 2,2,4-trimethyl-1,2-dihydroquinoline, wherein the mixture contains 70% to 100% by weight of dimers and trimers of 2,2,4-trimethyl-1,2-dihydroquinoline.

Abstract: The invention relates to a crosslinkable rubber mixture comprising: a. a diene rubber having an average molar mass of more than 150 000 g/mol, b. a filler, c. a polymer or oligomer having an average molar mass Mn of less than 150 000 g/mol, which has a filler-interactive functional group and a glass transition temperature Tg<?15° C., d. a polymer or oligomer having an average molar mass Mn of less than 150 000 g/mol, which has a filler-interactive functional group and a glass transition temperature Tg>?15° C.

Abstract: The invention relates to a multi-layer tread for use in vehicle tires, comprising: a) a base layer comprising a first rubber material, and b) a top layer arranged on the base layer and connected to the base layer, wherein the top layer comprises: i) a first side region comprising a second rubber material, ii) a second side region comprising a third rubber material, and iii) a central region arranged between the first side region and the second side region and comprising a fourth rubber material, wherein the first rubber material has a higher modulus of elasticity than the fourth rubber material, and wherein the fourth rubber material has a higher modulus of elasticity than the second rubber material and the third rubber material.

Abstract: The invention relates to a distributor device (1) for generating an aerosol (8) comprising both gas and sealant, wherein the distributor device has at least one gas connector (2) for connection to at least one compressed-air source (11), at least one sealant connector (3) for connection to at least one sealant container (12), and one or more than one connecting element (4) for connection to a pneumatic vehicle tire (16), characterized in that the distributor device has a metering unit (5) for metering the sealant quantity fed to the distributor device. The invention also relates to a system for sealing and inflating pneumatic vehicle tires, and to a method for sealing pneumatic vehicle tires or inflatable technical articles, and to the use of a dosing unit for generating an aerosol.

Abstract: The invention concerns a pneumatic vehicle tire having a tread and sidewalls, wherein the tread has at least one shoulder-side profile rib with a shoulder portion extending from the lateral edge of the ground contact patch of the tread in the direction of the respective sidewall and having an outer face, and containing rectangular depressions which are formed elongate transversely to the circumferential direction and are each delimited by a base and in the circumferential direction by side faces, wherein the base, viewed in cross-section transversely to the circumferential direction, has an inside base portion running towards the outer face with a maximum extent length, and an outside base portion with a maximum extent length.

Abstract: A sealant device for a sealant for sealing a vehicle tire, including a closure unit with two openings, the first opening configured for the air inlet and the second opening configured for the sealant outlet and a tube is arranged at the first opening, which extends into the device and through which the air can flow into the device At the end of the tube, the first opening has a first sealing element and the second opening has a second sealing element. A puncture repair kit includes the sealant device and a pressure source. A method for producing the sealant device includes:—manufacture of a housing section by blow molding or injection molding,—manufacture of a closure unit with two openings by injection molding, and—connecting of the housing section to the closure unit to form a sealant device by means of ultrasound or snap-on closure or via a bayonet closure.

Abstract: A process for producing a vulcanizable composite material, including the steps of: a) producing or providing a textile strength member, b) producing or providing a crosslinkable rubberization mixture comprising: i) at least one base rubber selected from the group consisting of ethylene-propylene-diene rubbers and butyl rubbers, and ii) at least one aging selected from the group consisting of p-phenylenediamines, dihydroquinolines, phenylnaphthylamines, substituted phenols and substituted bisphenols, and c) introducing the textile strength member into the crosslinkable rubberization mixture to obtain the vulcanizable composite material, wherein the crosslinkable rubberization mixture is processible by vulcanization to give a crosslinked rubberization mixture which is at least partly transmissive to visible light at least in sections.

Abstract: A sulfur-crosslinkable rubberization mixture for metallic strength members which contains 0.25 to 5 phr (parts by weight, based on 100 parts by weight of the total rubbers in the mixture) of at least one novolac resin which comprises alkylurethane units and is produced by reaction of a phenolic compound, an aldehyde and a carbamate resin, wherein the carbamate resin is produced by reaction of alkylurethane with an aldehyde, and 0.5 to 3 phr of at least one sulfenimide accelerator. Also provided is a pneumatic vehicle tire which includes at least one such sulfur-crosslinked rubberization mixture.

Abstract: A compound, a rubber mixture containing the compound, a vehicle tire comprising the rubber mixture in at least one component, a process for producing the compound and the use of the compound as an aging stabilizer and/or antiozonant and/or dye, in which, the compound has the formula (I), wherein R1 is selected from the group consisting of benzyl radicals, 1-phenylalkyl radicals having altogether 7 to 18 carbon atoms and linear, branched and cyclic aliphatic C3- to C12-radicals.

Abstract: The invention relates to a pneumatic vehicle tire with a tread with at least one circumferential groove, which is formed to the profile depth and has a groove base and groove flanks, wherein free-standing webs, which are at a distance from one another in the circumferential direction, are elongate in the circumferential direction and have a top surface running parallel to the tread periphery and a height of 7% to 30% of the profile depth, are formed on the groove base, wherein at least one protrusion, which sits on the groove base and is elongate in the circumferential direction, is formed between successive webs in the circumferential direction on and along each groove flank, wherein the one protrusion overlaps the other protrusion with respect to the circumferential direction, at least in portions, so that between the protrusions there remains a groove-base channel, which has a constant width in the axial direction between protrusion edges which are formed on the protrusions and run at a constant depth and

Abstract: This invention relates to high tenacity yarn for a tire cord comprising polyethyleneterephthalate multifilament obtained by melting and spinning a resin composition comprising first polyethyleneterephthalate and second polyethyleneterephthalate having different intrinsic viscosities, and a method for preparing the same.

Abstract: A pneumatic vehicle tire having a tread, a belt assembly, a radial carcass, and having sidewalls which in each case in their radially outer region have at least two rows of parallelogram-shaped elevations with a height of 0.80 mm to 1.50 mm, determined in relation to the remaining level of the sidewall, said rows running so as to be concentric with the annular shape of the sidewall, wherein in which intermediate spaces are present between the elevations within one row and between mutually adjacent rows. The rows of elevations are mutually offset in the circumferential direction of the sidewall, with the elevations overlapping one another, wherein the intermediate spaces between the elevations are also mutually offset in the circumferential direction from row to row, so as not to be co-aligned.