The Yokohama Rubber Co., Ltd.

Noboru Okada

Haruhisa Hasegawa

Tsutomu Takeuchi

Susumu Imamiya

Eiichi Iida

Masao Koyama

Tatsuya Takaoka

Hisakuni Yamashita

Ichiro Takasu

Toshio Tanaka

Toshihiko Take

Masahiro Ogawa

Yoshitaka Murase

Hisayoshi Fukuzawa

Iwashiro Yoshikawa

A tire forming system includes a band forming machine, a shaping forming machine, a belt/tread forming machine, means for supplying a band member and means for supplying a belt/tread member. The means for supplying the band member include an inner liner supply means, carcass supply means, band rubber parts supply means and bead supply means. The means for supplying the belt/tread member include belt supply means and tread rubber parts supply means. The means for supplying the band member and the means for supplying the belt/tread member are operative to cooperate with one another to continuously in series form a plurality of tires having different tire sizes.

Tire forming system and tire forming method

An apparatus for forming a desired belt member in such a manner that a continuous strip material is cut into a plurality of strips each having a predetermined length while the strip material is fed in a direction traversing a conveyer and the cut strips are aligned and spliced on the conveyer while moving the conveyer intermittently. The apparatus is provided with a first guide having a bottom plate for supporting the rear edge of the strip material along a feeding path through which the strip material is fed to a conveyer and a side plate for regulating the rear edge position of the strip material, a second guide having a side plate for regulating the front edge position of the strip material and capable of moving vertically and a splicing press capable of moving vertically along the second guide.

Apparatus and method for aligning and splicing strip members

A method of forming a green tire according to the present invention comprises winding a rubber strip on an adjusting drum while extruding an unvulcanized rubber from an extruder in a form of the rubber strip in a length corresponding to the rubber quantity of a tire constituent portion, and forming the tire constituent portion by winding said rubber strip continuously a plurality of times on the outer circumference of a rotary support member, unwinding it from the adjusting drum.

Method of forming green tire with strip winding

A method of winding a reinforcement layer of a pneumatic radial tire, which comprises providing at circumferentially spaced locations opposite to a front face of an outer peripheral surface of a building drum, a pair of traverse devices each having a fiber cord feed guide and constructed so as to be reciprocated along the axial direction of the building drum; and moving the pair of traverse devices by independent driving devices along the axial direction of the building drum while rotating the building drum, thereby simultaneously feeding rubberized fiber cords respectively from each feed device to a reinforcement belt on the building drum.

Method of winding reinforcement layer of pneumatic radial tire

Apparatus for arraying/conveying web-like workpieces such as unvulcanized treads delivered from an extruder. A plurality of forks sequentially lift the workpieces to and from roller conveyors and arrange the workpieces in selected uniform spaced-apart relation on a flat storage area.

Apparatus for arraying and conveying web-like material

For joining pieces of rubberized tire cords or like sheet material end to end, a pair of coplanar tables are provided which have edges disposed opposite to each other in exact parallelism. Each table is equipped with a retractable stop for positioning a piece of sheet material thereon with its end projecting a predetermined distance beyond the said table edge, and a clamp for temporarily securing the sheet material in position on the table. As one of the tables is then moved toward the other, the pieces of sheet material have their opposed ends preliminarily joined together. The apparatus further comprises at least one finishing roller supported above the tables for rolling the preliminarily formed joint of the sheet material, which roller is in the form of a coil of wire effective both to smooth and to strengthen the joint.

Apparatus for splicing sheet material

Rubber cloth splicing apparatus broadly comprising a forward vibrating conveyor, a butt-splicer, a backward vibrating conveyor, and a take-up conveyor. Each piece of rubber cloth is fed by the forward vibrating conveyor onto the rear table of the butt-splicer and is clamped in position thereon, whereas the precedingly spliced rubber cloth piece is fed backwardly by the backward vibrating conveyor onto the front table of the butt-splicer and is similarly clamped in position thereon. The two rubber cloth pieces are joined end to end without overlap as the rear table is forced into abutting contact with the front table. The take-up conveyor carries the spliced pieces of rubber cloth away from the butt-splicer via the backward vibrating conveyor by indexed movement.

Growing community of inventors

Hiratsuka, Japan

Noboru Okada