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Patent
Continental Reifen Deutschland GmbH | Date: 2017-01-04

The invention relates to a vehicle tyre in which the sidewall is protected optimally against damage. According to the invention, a sub-region of the sidewall (11) has a pronounced structured surface (2) having regularly arranged sidewall elements (3) and pronounced recesses (4) located therebetween, wherein said sub-region of the sidewall (11) having the structured surface has a positive proportion of rubber material of 20 to 70%, wherein the sidewall elements (3), in conjunction with the recesses (4) located therebetween, increase the resilient properties of the outer side of the sidewall (11), by which means the cut resistance of the sidewall (11) with respect to sharp-edged objects is substantially increased.


Patent
Continental Reifen Deutschland GmbH | Date: 2017-05-03

The invention relates to vehicle tires with a tread with a shoulder-side block row (1), the blocks (5) of which are separated from one another by transverse ridges (6) that run at least substantially in the transverse direction and which are separated by a circumferential ridge (3) of another block row or a block-like structured profiled strip (2) equipped with additional transverse ridges (8) running at least substantially in the transverse direction. The circumferential ridge (3) is delimited on the tread surface by two parallel edges (10, 11) running in the circumferential direction, is assembled from circumferential portions (9) in which the ridge base (12) runs at an acute angle () to the circumferential direction, and has one end positioned on the outside of the tread and one end positioned on the inside of the tread. Ridge flanks (13, 14) run between the ridge base (12) and the tread surface, the angle of inclination (1,2) of said ridge flanks in the radial direction changing continuously and oppositely one another over the circumferential extension of the circumferential portion (9). In each circumferential portion (9), the angle of inclination (2) of the ridge flank (14) which can be found on the inside of the tread changes to a greater extent than the angle of inclination (1) of the opposite ridge flank (13).


Patent
Continental Reifen Deutschland GmbH | Date: 2017-03-15

The invention relates to vehicle tires for utility vehicles, comprising a carcass (5), a belt (9) which is arranged radially outside of the carcass (5), and a profiled tread (10) which is arranged on the belt (9) radially outside of the belt (9). The belt (9) is made of at least four belt layers (17, 14, 13, 15) which lie one above the other radially inwards to radially outwards. The first belt layer (13), which is arranged farthest inwards in the radial direction R, is formed with reinforcements (23) that are embedded into the rubber in a parallel manner, and the fourth belt layer (15), which is arranged farthest outwards in the radial direction R, is formed with reinforcements (25) that are embedded into the rubber in a parallel manner. At least one second belt layer (14, 17) with reinforcements (24, 27) that are embedded into the rubber in a parallel manner, said second belt layer being arranged on the first belt layer (13), and a third belt layer (17, 14) with reinforcements (27, 24) that are embedded into the rubber in a parallel manner, said third belt layer being arranged on the second belt layer (14, 17), are formed between the first belt layer (13) and the fourth belt layer (15) in the radial direction. The invention is characterized in that the first belt layer (13) and the fourth belt layer (15) are working layers in which the reinforcements (23) of the first belt layer (13) have an orientation which forms an angle alpha relative to the circumferential direction U, where 10


Patent
Continental Reifen Deutschland GmbH | Date: 2017-02-08

Self-sealing tire sealants are provided which contain fragments and/or residues of expanded solids, where the solids are selected from the group containing expandable graphite and microspheres. In some aspects, the microspheres include at least isobutane and/or isopentane as blowing agents. The microspheres may also have a shell containing at least one polymer, and in some cases the polymer is at least one copolymer of acrylonitrile and methyl acrylate. The self-sealing tire sealant may further include graphene structures. In some aspects the interior of a pneumatic vehicle tire has the self-sealing tire sealant disposed on the inner surface, opposite the tire tread, and the layer thickness of the tire sealant may be from 0.5 to 8 mm.


Patent
Continental Reifen Deutschland GmbH | Date: 2017-05-24

The invention relates to vehicle tyres comprising a tread which, in relation to tyres mounted on the vehicle, has a profile strip (1) arranged on the outer shoulder, said profile strip being separated from additional profile elements by a circumferential groove (2) running in a circumferential direction, wherein short grooves (4, 4) run in the profile strip (1) in a circumferential direction, which short grooves are at a distance to one another and aligned with one another, and on one end of which a respective transverse groove (3, 3) is connected, said transverse groove running in the direction of and beyond the tread edge (L), and on the other ends of which a respective transverse groove (5, 5) is connected, said transverse groove running in the direction of the circumferential groove (2). A respective additional transverse groove (6, 6, 7, 7) runs respectively midway between the transverse grooves (3, 3) which neighbour one another in the circumferential direction and which are connected to each first end of the short grooves (4, 4), and runs respectively midway between the transverse grooves (5, 5) which neighbour one another in the circumferential direction and which are connected to each other end of the short grooves (4, 4).


Patent
Continental Reifen Deutschland GmbH | Date: 2017-03-29

Vehicle pneumatic tyre for utility vehicles having a carcass (5), having a belt (9) which is built up radially outside the carcass (5) and having a profiled tread (10) which is built up on the belt (9), radially outside the belt (9), wherein the belt (9) is formed from at least four belt layers (14, 17, 13, 15) arranged lying one on the other from radially on the inside to radially on the outside, wherein the first belt layer (14) which is arranged furthest on the inside in the radial direction R is embodied with parallel strength members (24) embedded in rubber, the second belt layer (17) which is arranged on the first belt layer (14) is embodied with parallel strength members (27) embedded in rubber, the third belt layer (13) arranged on the second belt layer (17) is embodied with parallel strength members (23) embedded in rubber, and the fourth belt layer (15) arranged on the third belt layer (13) is embodied with parallel strength members (25) embedded in rubber, characterized in that the third belt layer (13) and the fourth belt layer (15) are working layers in which the strength members (23) of the third belt layer (13) enclose in their orientation an angle with respect to the circumferential direction U where 10 < < 45 and the strength members (25) of the fourth belt layer (15) enclose in their orientation in each case an angle with respect to the circumferential direction U where 10 < < 45, wherein, when viewed in the circumferential direction U of the vehicle tyre, the strength members (23) of the third belt layer (13) have an opposed axial direction of inclination to that of the strength members (25) of the fourth belt layer (15), in that the strength members (24) of the first belt layer (14) enclose in their orientation an angle with respect to the circumferential direction U where 0 < < 5, and the strength members (27) of the second belt layer (17) enclose in their orientation an angle with respect to the circumferential direction U where 40 < < 75.


Patent
Continental Reifen Deutschland GmbH | Date: 2017-01-25

The invention relates to a device for sealing and inflating inflatable objects, in particular for sealing and inflating motor vehicle tyres. Said device comprises a compressor unit as a pressurized gas source, which is designed as a reciprocating piston compressor (10) driven by means of a thrust crank gear. Said reciprocating piston compressor is provided with a variable dead volume of air (9), the content thereof can be varied depending on the temperature of the cylinder head (11).


Patent
Continental Reifen Deutschland GmbH | Date: 2017-04-12

The invention relates to vehicle tyres for use in winter, comprising a tread having profile blocks (1) separated from one another by circumferential grooves (2) and transverse grooves (3), in which profile blocks recesses (4) are formed that are bordered by two recess walls (7), the direction of extension of which recesses deviates from the axial direction by a maximum of 45, and each of which are locally widened by means of at least one channel (5, 6a, 6b), forming a connection between the outer side of the profile and a groove (2), said recess (4) having a width (b) of between 0.4 and 1.0 mm. The recess (4) comprises a mid-section (4a) having a depth (T) of at least 70% of the profile depth (Tp), and two shallow edge sections (4b, 4c) of different depths (T1, T2), wherein the width of the channels (6a, 6b) is two- to three times the recess width (b). A channel (5) running substantially parallel to the outer side of the profile is connected to these channels, which channel (5) leads into the circumferential groove (2) on the deeper edge section (4b) of the recess (4), and the lower edge of which channel coincides with the base of the recess.


Patent
Continental Reifen Deutschland GmbH | Date: 2017-04-12

Tread profile of a pneumatic vehicle tyre - in particular for commercial vehicles - comprising a regroovable tread profile with radially raised profile elements (1, 2, 3, 4, 5) and with grooves (6, 7, 8, 9), which respectively separate two adjacent profile elements (1, 2, 3, 4, 5) from one another, wherein the grooves (6, 7, 8, 9) are bounded inwards in the radial direction R by a groove base (10) and on both sides in the axial direction by a profile element flank, forming the groove wall (12, 13), and wherein at least one regrooving indicator (14) for indicating the regrooving depth is respectively formed in one or more grooves (3), characterized in that, in at least one groove (8), all of the regrooving indicators (14) formed therein are formed in a groove wall (12) at a height H measured in the radial direction R of H>0mm above the groove base (10), wherein the height H corresponds to the maximum radial abrasion position of the tyre for regrooving.


Patent
Continental Reifen Deutschland GmbH | Date: 2017-06-07

The invention relates to a bicycle tyre with high riding comfort. A damping rubber insert (3) made from a highly elastic rubber is arranged between the tyre tread (2) and the tyre carcass. Said damping rubber insert (3) has a material thickness of between 0.2 and 2mm, and the carcass insert ends (10) extend to a maximum of the lateral edge areas of the tyre tread (2).

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