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 second or fourth layer has a layer thickness in the range from 10 to 1000 ?m, the first intermediate material of the second layer and the second intermediate material of the fourth layer are different, and the four or five layers are arranged one above the other according to the above sequence. The invention also relates to uses of the apparatus.

Abstract: A method having the following steps is proposed: a) placing a green tire (20) to be vulcanized in a vulcanization mold, b) evaluating the temperature progression from the temperature sensor disposed in the cavity of the inner heater, wherein the energy input is adjusted both via the duration of the idle time and via the starting temperature, c) calculating an adjustment in the duration for the steam phase (24) of the inner heater when the idle time varies from a defined threshold, d) introducing steam into the inner heater of the vulcanization press and performing the steam phase (24, 25) for the calculated duration, wherein the adjustment of the duration for the steam phase (24, 25) is intended to ensure an optimal input of thermal energy for the vulcanization of the green tire (20), e) measuring the actual temperature progression with the temperature sensor (16) in the inner heater, f) comparing the actual temperature progression (27) with a target temperature progression (26) for a particular vehicle tire

Abstract: A method for producing a mold segment of a vulcanizing mold for a pneumatic vehicle tire for forming the profiling of a tread, having a metallic base part (6) with a mold side with ribs (3) which form channels encircling or delimiting profile elements. A rib skeleton (8) consisting of ribs (8?), the arrangement and the profile of which at least partially corresponds to the arrangement and the profile of ribs (3) forming channels, is milled from the base part (6), inserts (7) with peripheral frame parts (7b) are built up by means of an additive method, the inserts (7) being inserted into the rib skeleton (8) and the frame parts (7b) completing the ribs (8?) of the rib skeleton (8) to form the ribs (3) forming the channels.

Abstract: The invention relates to a pneumatic vehicle tyre having a tread with at least one, in particular straight, circumferential groove (1) which is formed at profile depth (T1), is delimited by groove flanks (5, 6) and a groove base (4) of U-shaped cross section, and has a width (B1) which is ascertained at the tread periphery in the axial direction, wherein a number of projections (7), which are arranged distributed over the circumference of the circumferential groove (1) and are situated opposite one another in pairs in the axial direction, is formed on the groove base (4), possibly with connection to the groove flanks (5, 6), a groove path (8) of the circumferential groove (1), which groove path reaches profile depth (T1), has a constriction and is of symmetrical configuration with respect to a plane (E1) which is spanned by the radial direction and a vertical to the centre line of the circumferential groove (1), running between respective projections.

Abstract: The invention relates to a pneumatic vehicle tire having a tread with profile block rows (1, 2) with profile blocks (5) delimited by channels (3, 4), which channels (3, 4) form T-shaped intersections in plan view and are delimited by a channel base (6, 6?) and by block flanks (5a, 5?a), wherein, in channels (3), there are formed projections (7, 7?) which, in a radial direction, have at their highest point a height (h1, h1?), in relation to the lowest point of the channels (3), of 10% to 80% of the profile depth. The projections (7, 7?) are positioned in intersection regions of T-shaped intersections of the channels (3, 4) and are attached to that block flank (5a) which is situated opposite the opening-in point of the opening-in channel (4).

Abstract: The invention relates to a process for devulcanizing a vulcanized rubber mixture, comprising the following steps: A) providing or producing a vulcanized rubber mixture, B) comminuting the vulcanized rubber mixture to a granular material composed of vulcanized rubber particles, where the vulcanized rubber particles have a maximum particle diameter of 100 mm, C) extruding the vulcanized rubber particles produced in step B) in a twin-screw extruder at a shear rate of less than 100 s?1, where the temperature of the vulcanized rubber particles during extrusion is less than 200° C., to give a devulcanized rubber mixture having a temperature above 100° C., D) cooling the devulcanized rubber mixture in a further kneading unit, so as to give a devulcanized rubber mixture having a temperature in the range from 50° C. to 100° C. The invention further relates to an apparatus for performing the process and to the use of the apparatus for devulcanization of a vulcanized rubber mixture.

Abstract: The invention relates to a sulfur-crosslinkable rubber mixture and to a pneumatic vehicle tire comprising at least one rubber component made of the sulfur-vulcanized rubber mixture. The rubber mixture contains 10-60 phr (parts by weight, based on 100 parts by weight of the total rubbers in the mixture) of at least one functionalized polybutadiene A, wherein the functionalized polybutadiene A is functionalized at one chain end with an organosilyl group containing amino groups and/or ammonium groups, and wherein the functionalized polybutadiene A is functionalized at the other chain end with an amino group, up to 90 phr of at least one further diene rubber and 30-350 phr of at least one filler.

Abstract: Commercial vehicle tire of radial design with a tread with circumferential grooves formed to a profile depth, which divide the tread into at least two profile ribs (1) running in the central region of the tread with profile blocks (2) separated from one another by transverse grooves (3) and into shoulder-side profile ribs, wherein at least one of the circumferential grooves (4) adjoining a central profile rib (1) has, in cross section, a radially outer sipe-like narrow section (6) and a channel (8) adjoining this in the interior of the tread which is configured to be wider than the sipe-like narrow section (6) and which is delimited by two channel walls (8b) and a channel bottom (8a) forming the groove bottom, and wherein this circumferential groove (4) is interrupted in its course by entry points of transverse grooves (3). Opposite the entry points, a projection (9, 9?) is formed locally in each case on the channel wall (8b) located opposite the entry points of the transverse grooves (3).

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: Rib- or fin-shaped element (1, 10) comprising an anchoring part (1 b1, 10b1) and a molding part (1b2, 10b2), wherein the anchoring part (1 b1, 10b1) can be anchored in a profile ring segment of a profile ring of a vulcanizing mold that molds the tread of a vehicle tire and the molding part (1 b2, 10b2) is provided for molding a sipe or a groove in the tread. The element (1, 10) has at least one elongate projection (1a, 11), which forms a bevel at the periphery of the tread and is produced by means of selective laser melting.

Abstract: A pneumatic vehicle tire having a rim protection rib (9), wherein the design of the rim protection rib has the object of having a pneumatic vehicle tire with improved durability, and scaling of the axial width of the rim protection rib is intended to permit only minor effects on the rolling resistance and the durability; this is achieved in that, as viewed in the tire cross section, an axially outer contour (10) of the rim protection rib (9) begins radially on the outside with a convexly curved first region (12) which tangentially adjoins an axially outer contour (11) of the sidewall (6), in that the first region (12) merges radially inward tangentially into a concavely curved second region (13), in that the second region (13) merges tangentially into a convexly curved third region (15), and in that the third region (15) merges tangentially into a fourth region (16) encompassing the axially outermost point (17) of the rim protection rib (9).

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.

Abstract: A pneumatic vehicle Eire having a tread with at least one profile block row (2, 3) which is divided into a multiplicity of profile blocks (2a, 3a) by transverse channels (6, 7) having channel flanks (7a) which extend at an angle (?, ?) of up to 50° with respect to the axial direction, wherein transverse channels (6, 7) are provided, in each of which there is formed a base elevation (8, 8I) which locally reduces the depth (t1) of the transverse channel (6, 7) and which connects successive profile blocks (2a, 3a) in circumferential direction to one another, wherein the base elevation (8, 8I) has at least two base elevation parts (8a, 8b, 8c) of different height (hmax, a, hmax, bc). Centrally on each of the base elevation parts (8a, 8b, 8c), there is formed at least one groove (10, 11) which runs in the dire tion of extent of the transverse channel (6, 7) and which emerges from the base elevation part (8a, 8b, 8c) at least on one side.

Abstract: The invention relates to a utility vehicle tire having sidewalls (2) and having a tread (1) with shoulder-side profile ribs (3), which shoulder-side profile ribs have shoulder-side profile blocks (6) which are separated from one another by transverse channels (5) and which have in each case one flank surface (6a) running in the direction of the adjoining sidewall (2), wherein, on at least one sidewall (2), there is formed a flank guard (7?) which adjoins the shoulder-side profile blocks (6) and which is elevated in relation to the level of the sidewall (2). It is the intention for the flank guard to be designed such that the risk of crack formation is greatly reduced.

Abstract: A method for producing a rubber-plastic composite, including the steps of (a) shaping an unvulcanized elastomer, (b) partially vulcanizing the shaped elastomer at a temperature of at least 140° C. up to a degree of vulcanization in the range from 10% to 40%, (c) cooling the partially vulcanized elastomer to a temperature of less than 100° C. within less than 20 minutes, (d) overmolding the partially vulcanized elastomer with a plastic, and (e) heat treating the partially vulcanized elastomer overmolded with a plastic at a temperature in the range from 100° C. to 170° C. for a duration of from 5 minutes to 5 hours to complete the vulcanization and form a rubber-plastic composite. The method further relates to a rubber-plastic composite obtainable by the method according to the invention and also to a shoe comprising the rubber-plastic composite obtainable by the method according to the invention.

Abstract: A method for producing a molding tool (5) of a vulcanization device for the molding vulcanization of a vehicle tire (1), wherein the molding tool (5) has a negative contrast structure (6) on a molding surface of the molding tool (5), with the following steps: a) providing the molding tool (5) having the molding surface for the stamping of a surface (2, 3) of a vehicle tire (1) in a molding manner in the course of the vulcanization of the tire by means of the vulcanization device, b) creating a first surface structure (9) of first depressions (10) by means of a machining process, wherein the first surface structure (9) extends at least over a surface region (7) of the molding surface, c) creating a second surface structure (11) of second depressions (12) by means of laser engraving, wherein the second structure (11) extends at least over the surface region (7) and wherein the first surface structure (9) and the second surface structure (11) together form the negative contrast structure (6) in the surface regio

Abstract: The present invention relates to a vehicle tire comprising a belt bandage, wherein the belt bandage comprises strength members, wherein the strength members comprise hybrid cords arranged parallel to one another within the ply, and wherein the hybrid cords each contain at least one yarn made of polyethylene terephthalate (PET) and at least one yarn made of polyamide. According to the invention the PET of the yarn of the hybrid cord of the belt bandage is recycled PET (rPET).

Abstract: The invention is based on a tire component (1) for a green tire (6), a rubber region (2) of the tire component (1) being made of rubber, at least one transmitting and receiving device (3) being arranged in the rubber region (2), the at least one transmitting and receiving device (3) being an electromagnetically acting transmitting and receiving device (3) and the at least one transmitting and receiving device (3) having at least one antenna (4), wherein the at least one antenna (4) is arranged on a carrier device (5).

Abstract: The invention is directed to a vehicle pneumatic tire wherein strengthening plies are provided with steel cords running parallel to one another. The belt plies can be used, as isolated electrically conductive plates, for supplying electricity to electrical consumers such as sensors and actuators installed in the tire. Adjacent belt plies can be connected by puncture sensors to be able to identify damage to the belt caused by metallic parts penetrating from the outside, such as nails, on the basis of a change in the electrical resistance.