A method for making a compartmentalized sealant strip and barrier assembly (10) is disclosed. It comprises the steps of co-extruding a barrier strip (9) of a non-sealant elastomeric material with a plurality of projecting extending walls (9c) and at least ...

An object is to provide a method for manufacturing a resin laminate 100, the method being capable of achieving satisfactory reduction in weight and wall thickness while ensuring manufacture efficiency and product quality. To accomplish the object, a resin ...

The invention relates to a method of manufacturing a vehicle tire, the tread portion of which comprises a poorly conducting tread layer (21) that provides a ground contacting surface disposed in a radially outward part of the tread portion, and a conductiv...

A tire comprising a carcass (12) and a tread (30) is disclosed wherein a tread cap (32) is formed of a first material (36) and a tread base (34) is formed of a second material (38) having a substantially different stiffness property than the first material...

The sealing lip comprises a rubber profile (1), a film made from a thermoplastic elastomer (3) having a layer thickness of 0.5-3 mm, applied on the rubber profile and a lubricating lacquer (4) having a layer thickness of 8-40 mu m, applied on the thermopla...

Providing a narrow strip (58) of electrically conductive rubber extending from a lower undertread layer (56) to the surface of the tread (52) of a tire by positioning a slotted chimney block (30) in an outer tread rubber passage (12) of a tire tread die (1...

A method of manufacturing a pneumatic tire (1) comprises assembling unvulcanized rubber components to make a green tire, vulcanizing the green tire, and winding an unvulcanized rubber tape so that the windings collectively have a predetermined cross sectio...

Forming a rubber component includes using a single extrusion head to co-extrude layers each having a rubber mixture. The head has a main extruder with a channel for each rubber mixture leading to a single extrusion orifice. A micro-extruder simultaneously ...

The tire has two outer layers (31, 31) with circumferential, electrically-conductive strip inserts (11, 12). At the layer interface (310), the widths of the facing strips (E, e') in contact, differ by a factor of ten or more. Strips are located with respec...