A method for improving a cement spraying efficiency for a self-repairing tire includes: inputting tire parameters into a control system, including rim diameter, section width, aspect ratio, cement thickness and cement density; calculating a cement spraying amount for a tire; calculating a crown cement thickness separately; starting a spraying device, and evenly spraying a cement in a cement storage tank on a tire surface; and finally drying, that is, heating to speed up solidification of the cement, thereby completing self-repair. The control system automatically calculates the cement spraying amount required for repair based on the tire parameters such as section width, aspect ratio and rim diameter, and realizes mass production of self-repairing tires according to the characteristics of the tires. The method is applicable to all tires of different specifications, and can realize a one-time spraying operation, thereby improving the spraying efficiency for self-repairing tires.

One or more embodiments of the present invention provide an apparatus for forming a continuous strip of a first compound that is encapsulated by a second compound. The apparatus allows the mixture ratio of the first compound to the second compound to vary. The first compound may be a sealant, and the second compound may be a rubber.

A method of applying an air barrier material to an inner surface of a tire includes steps of: (a) performing a post-cure inflation of the tire; (b) placing the tire onto a dump gate platform after finishing the post-cure inflation of the tire; and (c) spraying the air barrier material onto the inner surface of the tire while the tire is on the dump gate platform.

A pneumatic tire mounted with surface fastener members for attaching an object to a tire inner surface, comprises: at least eight surface fastener members having an intermittent arrangement on a tread inner circumferential surface, the surface fastener members having a uniform cross-sectional dimension, an overall band-like shape, and a length in a tire axial direction from 50% to 120% of a maximum belt width of the pneumatic tire; wherein an angle θ between a longitudinal direction of the surface fastener members and the tire axial direction is from 0 degrees to 45 degrees; and an installation period in a tire circumferential direction is from 80% to 150% of the length in the tire axial direction of the surface fastener members.

A post-cure inflation machine for processing a tire may include a tire holder shaft. The tire holder shaft may include a chuck to secure the tire to the tire holder shaft. A hollow passage may be defined in the tire holder shaft. A spray nozzle may be connected to a spray shaft that is telescopically disposed in the hollow passage of the tire holder shaft. The spray nozzle may extend to spray an air barrier material onto the tire.

A method of manufacturing a tire, the method comprising the steps of providing a cured tire subassembly, the subassembly including a first bead and a second bead, a cured carcass layer extending from the first bead to the second bead, and an optional cured innerliner disposed on the carcass layer; and applying an air barrier composition to the cured carcass layer, or to the cured innerliner if present, to form an air barrier layer.

A tire is configured to be received by a wheel having at least one angled surface. The tire includes a tread portion, a first sidewall, and a second sidewall. The first sidewall has a first outer surface, a first inner surface, and a first projection extending inwardly from the first inner surface. The first projection has a first angled surface configured to engage a first corresponding surface of a wheel. The second sidewall has a second outer surface, a second inner surface, and a second projection extending inwardly from the second inner surface. The second projection has a second angled surface configured to engage a second corresponding surface of the wheel.

A method of preparing a green tire innerliner, the method comprising mixing one or more vulcanizable rubbery polymers, less than 0.75 parts by weight zinc oxide, less than 0.75 parts by weight magnesium oxide, and less than 0.75 parts by weight sulfur, per 100 parts by weight rubber, to form a vulcanizable mixture and extruding the mixture to form a green tire innerliner.

Methods for treating the surface of a cured inner liner are disclosed. By use of these methods a treated, cured inner liner is produced which has a lower surface with increased adherability to other materials (e.g., adhesives). Treated, cured inner liners resulting from such methods as well as tires containing the treated inner liners.

A pneumatic tire including an innerliner member applied on a tire inner circumferential surface, the innerliner member being constituted from an at least three-layer structure including a film having a main component of a thermoplastic resin or a thermoplastic elastomer containing a blend of a thermoplastic resin and an elastomer, and rubber sheets layered on both sides of the film; and a lap splice portion in which tire circumferential direction end portions of the film are overlapped with the rubber sheets inbetween. The rubber sheet on the tire cavity side of the innerliner member disposed on the tire cavity side in the lap splice portion is formed longer along the tire circumferential length than the film adjacent thereto.