The present disclosure provide a method for producing a tread for a tire having a plurality of contacting element delimited by a plurality of grooves and a connecting member. The method includes depositing at least one connecting member on a surface of an unvulcanized green tread, introducing the unvulcanized green tread with the connecting member into a mold having at least one molding element having a plurality of rib for forming the groove on the tread, at least two rib side faces and a molding surface, at least one rib having at least one notching portion receiving a guiding member, moving the connecting member to a predetermined position in the guiding slit through the guiding slit by green tread, molding and vulcanizing the green tread with the connecting member in the mold, and taking a molded and vulcanized tread out from the mold.

The present disclosure provides for a molding element for a mold used for manufacturing a tread of a tire having a plurality of contacting element, a plurality of grooves and a connecting member connecting two side faces of adjacent contacting elements, the molding element having a molding surface and a rib for forming the groove between adjacent contacting elements and at least two rib side faces, the rib having a notching portion, a guiding member made of a material different from a material of the molding element being received in the notching portion and has two opposite side faces and a top face configured to form a part of a bottom of the groove, a distal end of the rib projecting member has a chamfered surface facing to an obliquely upward direction for guiding the connecting member toward the guiding slit.

The present disclosure provides a molding element for a mold used for manufacturing a tread of a tire having a plurality of contacting element, a plurality of grooves and a connecting member connecting two side faces of adjacent contacting elements, the molding element having a molding surface and a rib for forming the groove between adjacent contacting elements, at least two rib side faces, the rib having a notching portion, a guiding member made of a material different from a material of the molding element being received in the notching portion and has two opposite side faces and a top face, the material of the guiding member having a modulus at 10% elongation lower than that of the molding element, the guiding member having a guiding slit, the guiding member has a recessed area extending in a direction along the guiding slit on the top face and an outermost portion of the guiding slit is open in the recessed area.

A tire manufacturing method in which a vulcanizing mold (20) is provided with a tire molding portion (21) defining an outer surface shape of a tire (1), an extrusion preparing portion (22) in which an unvulcanized rubber member (5) that forms a tread portion (2) can be disposed, and a rubber inflow path (23) communicating between the tire molding portion (21) and the extrusion preparing portion (22), wherein vulcanization molding includes: loading a casing member (4) in the tire molding portion (21) and loading the unvulcanized rubber member (5) in the extrusion preparing portion (22); extruding the unvulcanized rubber member (5) to tread molding portions (21c), (21d) through the rubber inflow path (23), the tread molding portions formed in the tire molding portion (21) and defining an outer surface shape of a land portion of the tire; and vulcanizing the unvulcanized rubber member (5) and casing member (4) together.

A tire manufacturing method in which a vulcanizing mold (20) is provided with a tire molding portion (21) defining an outer surface shape of a tire (1), an extrusion preparing portion (22) in which an unvulcanized rubber member (5) that forms a tread portion (2) can be disposed, and a rubber inflow path (23) communicating between the tire molding portion (21) and the extrusion preparing portion (22), wherein vulcanization molding includes: loading a casing member (4) in the tire molding portion (21) and loading the unvulcanized rubber member (5) in the extrusion preparing portion (22); extruding the unvulcanized rubber member (5) to tread molding portions (21c), (21d) through the rubber inflow path (23), the tread molding portions formed in the tire molding portion (21) and defining an outer surface shape of a land portion of the tire; and vulcanizing the unvulcanized rubber member (5) and casing member (4) together.

The invention relates to a method for manufacturing a studded pneumatic tire, the method comprising steps of producing an annular carcass by providing a first ply material comprising first cords), wherein the first cords comprise aramid, aramid content of the first cords being at least 50 wt. % of total weight of the first cords, winding at least a layer of the first ply material onto a carcass drum, thereby forming a cylindrical carcass preform, arranging two cables to the cylindrical carcass preform, and expanding the preform, thereby forming the annular carcass, forming a preassembly of belts and a tread, arranging the preassembly of belts and a tread onto the annular carcass to form a preform, vulcanizing the preform, and installing studs. The invention further relates to a studded pneumatic tire.

A method and system for manufacturing a tire tread with lugs, the tread having a tread base, and a number of lugs projecting upwards from the tread base; the method having the steps of: preparing a green-rubber blank tread of constant thickness; applying rubber blocks to the areas of the blank tread where the lugs are to be formed, each block varying lengthwise in cross section, so it is thinner at the center and thicker at the side; and curing the blank tread, together with the blocks, in a curing mold negatively reproducing the pattern of the tread.

A method and system for manufacturing a tire tread with lugs, the tread having a tread base, and a number of lugs projecting upwards from the tread base; the method having the steps of: preparing a green-rubber blank tread of constant thickness; applying rubber blocks to the areas of the blank tread where the lugs are to be formed, each block varying lengthwise in cross section, so it is thinner at the center and thicker at the side; and curing the blank tread, together with the blocks, in a curing mold negatively reproducing the pattern of the tread.

A tire comprises a rubber member formed of a rubber composition comprising a diene-based rubber, and a ring-shaped tire frame formed of a resin material comprising a polyamide-based thermoplastic resin, in which the rubber member is adhered to a resin member including a polyamide-based thermoplastic resin via a layer formed of a composition including a resorcinol-formalin-latex-based adhesive.

A method of producing a tire tread with lugs; the tread having a tread base, and a number of lugs projecting upwards from the tread base; and the method including the steps of: preparing a green-rubber blank tread thinner at the sides and thicker at the center to define a raised center portion; applying green-rubber blocks to the areas of the blank tread where the lugs are to be formed, which blocks rest centrally against the raised center portion; and curing the blank tread, together with the blocks, in a curing mold negatively reproducing the pattern of the tread.