Abstract: A tire curing apparatus having two guide rods, a mold having an upper mold and a lower mold, an upper plate, a lower plate, and an upper-mold raising/lowering device. Two clamp grooves (a first clamp groove and a second clamp groove) are formed on a path along which the upper plate moves on an outer peripheral surface of the guide rod. The upper plate has a clamping device. The clamping device is formed of a clamp block and fixes the upper plate by being fitted to the first or second clamp groove.

Abstract: A tire-vulcanizing machine for positioning a green tire and a mold via a mold-clamping process, the tire-vulcanizing machine including two guide rods, the mold which includes an upper mold and a lower mold, a bolster, a base, a mold-elevating device, two clamping rods, and guide bushes provided on the bolster.

Abstract: A tire curing apparatus having two guide rods, a mold having an upper mold and a lower mold, an upper plate, a lower plate, and an upper-mold raising/lowering device. Two clamp grooves (a first clamp groove and a second clamp groove) are formed on a path along which the upper plate moves on an outer peripheral surface of the guide rod. The upper plate has a clamping device. The clamping device is formed of a clamp block and fixes the upper plate by being fitted to the first or second clamp groove.

Abstract: A three-way valve of a piston valve seal structure includes a valve box, a valve stem, and a valve body. The valve stem is a metallic rod-shaped member that reciprocates up and down in a piston structure. In the valve body, an upper guide washer is provided on the valve stem adjacent to an upper disc ring. An outer diameter of a portion of the upper guide washer is slightly smaller than an inner diameter of a flat portion of a first valve seat. A lower guide washer is provided on the valve stem adjacent to a lower disc ring. An outer diameter of a portion of the lower guide washer is slightly smaller than an inner diameter of a flat portion of the second valve seat.

Abstract: A heat insulating plate includes a base material and a reinforcement member attached to the base material. The base material is obtained by forming a sheet-shaped glass fiber cloth having a thickness of 0.5 mm. Further, twelve reinforcement members are attached to one base material. The reinforcement members have a role of ensuring the strength of the heat insulating plate by being in contact with the plate and the platen on the upper and lower end faces. The reinforcement members are formed in a stripe shape and are formed of a metal material having a thickness of about 1 to 10 mm, The metal material having excellent compressive strength and bending strength, such as iron, stainless steel, or titanium alloy, may be adopted.

Abstract: Provided is a direct acting mechanism of a tire curing device which can sufficiently perform positional control of a bladder extension height and a shaping height, etc., and is applicable to tires of different sizes. A hydraulically-driven central mechanism 1 as an example of a central mechanism of a tire curing device to which the present invention is applied includes a bag head 2 and a hydraulic cylinder 3. A cylinder tube 4 is formed to be thick-walled, and near the outer circumferential surface thereof, a sensor hole portion 7 is provided. The sensor hole portion 7 penetrates to the bottom surface side of the cylinder tube 4, and a linear sensor 8 with heat resistance and flexibility is inserted therein.

Abstract: Provided is a direct acting mechanism of a tire curing device which can sufficiently perform positional control of a bladder extension height and a shaping height, etc., and is applicable to tires of different sizes. A hydraulically-driven central mechanism 1 as an example of a central mechanism of a tire curing device to which the present invention is applied includes a bag head 2 and a hydraulic cylinder 3. A cylinder tube 4 is formed to be thick-walled, and near the outer circumferential surface thereof, a sensor hole portion 7 is provided. The sensor hole portion 7 penetrates to the bottom surface side of the cylinder tube 4, and a linear sensor 8 with heat resistance and flexibility is inserted therein.

Abstract: A tire vulcanization apparatus includes an upper container moving in a tire vulcanization position and a lower container moving between the tire vulcanization position and a shaping position, the lower container is provided with a bladder expanded/shrunk by supplying/discharging pressurized fluid from a fluid supplying apparatus, in the shaping position, a green tire is mounted on the lower container, and shaped by supplying pressurized fluid, and in the tire vulcanization position, the shaped green tire is held between the upper and lower containers and is vulcanized by supplying pressurized fluid to the bladder, a flow channel for supplying/discharging pressurized fluid from the fluid supplying apparatus to the bladder is comprised of a downstream side movable tube connected to the bladder and moving accompanied with the lower container, an upstream side fixed tube connected to the fluid supplying apparatus, and a tube for shaping made of a flexible tube to which the fluid supplying apparatus and the bladde

Abstract: A tire vulcanizer which can make a bladder supply pressurized fluid at a tire vulcanization position and a shaping position, disconnects the channel during movement of a lower container, while keeping the internal pressure of the bladder. Under a state where the lower container (2) moved to the shaping position N, a downstream side moving tube (5) is connected to a second fixed tube (62) through a second joint (72), and pressurized fluid is supplied from a fluid supply unit (42) to the bladder (3) so that a green tire can be shaped. Under a state where the lower container is moved to the tire vulcanization position M, the downstream side moving tube (5) is connected to a first fixed tube (61) through a first joint (71), and high temperature, high pressure pressurized fluid is supplied from the fluid supply unit to the bladder so that a green tire can be vulcanized and formed. The first joint and the second joint are in a joint separated state, and the channel is closed.

Abstract: The invention provides a tire vulcanizer having a vulcanizer body and a shaping unit and configured to be able to accurately mount a green tire in the shaping unit and shape it accurately when shaping the green tire in the shaping unit. As a result, the green tire can be placed and set accurately in a lower container of the vulcanizer body when the shaping unit is placed in a container of the vulcanizer body. In order to mount the green tire in the shaping unit (B) outside the vulcanizer body, the tire vulcanizer includes outside the vulcanizer body (A) a tire mounting device (D) which mounts the green tire in the shaping unit.

Abstract: The invention aims to provide a vulcanized tire cooling apparatus configured to blow cooling air to a vulcanized tire in rotation, thereby achieving uniform cooling of the vulcanized tire and shortening of cooling time as well as preventing the vulcanized tire from being deformed due to centrifugal force. It includes a blower unit (4) set to blow air in a direction to the outer circumferential surface of a vulcanized tire (1) and a tire rotator (6) rotating the vulcanized tire supported with an upper rim (2) and a lower rim (3) in a circumferential direction. The apparatus is configured to cool down the vulcanized tire by blowing air to the outer circumferential surface thereof by the blower unit while the tire is rotated in the circumferential direction by the tire rotator.

Abstract: The generator has a driving section provided with an impeller received in a casing, which is formed so as to allow the fluid at high-temperature and under high-pressure to flow in an inlet and to allow the fluid to flow out of an outlet, and adapted to rotate the impeller by the flow pressure of fluid, a power generating section consisting of a rotor and a stator coil, and a driving shaft having one end for fixing the impeller and the other end for fixing the rotor. Electric power is generated at the power generating section by rotating the rotor by the impeller through the driving shaft. The generator is further provided with a partition wall for hermetically partitioning the rotor and the stator coil with the rotor contained in a rotor containing chamber formed therein.

Abstract: A tire vulcanizer is provided in which upper and lower clamp rings can be positioned at a shaping position easily and smoothly with a simple engagement structure. The tier vulcanizer with a vulcanizer body (A) and a shaping unit (B) is configured that the upper and lower clamp rings (5, 6) are connected by an extendable shaft (5a) having an inner shaft (51) and an outer tubular shaft (61) so that the inner shaft is slidably fitted into an inside of the outer tubular shaft. A latch member (53) on the inner shaft is engaged with a step portion (63) on an inner surface of the outer tubular shaft, thereby positioning the upper and lower clamp rings at the shaping position.

Abstract: The invention provides a tire vulcanizer having a vulcanizer body and a shaping unit and configured to be able to accurately mount a green tire in the shaping unit and shape it accurately when shaping the green tire in the shaping unit. As a result, the green tire can be placed and set accurately in a lower container of the vulcanizer body when the shaping unit is placed in a container of the vulcanizer body. In order to mount the green tire in the shaping unit (B) outside the vulcanizer body, the tire vulcanizer includes outside the vulcanizer body (A) a tire mounting device (D) which mounts the green tire in the shaping unit.

Abstract: A tire vulcanizer is provided in which upper and lower clamp rings can be positioned at a shaping position easily and smoothly with a simple engagement structure. The tier vulcanizer with a vulcanizer body (A) and a shaping unit (B) is configured that the upper and lower clamp rings (5, 6) are connected by an extendable shaft (5a) having an inner shaft (51) and an outer tubular shaft (61) so that the inner shaft is slidably fitted into an inside of the outer tubular shaft. A latch member (53) on the inner shaft is engaged with a step portion (63) on an inner surface of the outer tubular shaft, thereby positioning the upper and lower clamp rings at the shaping position.

Abstract: The invention provides a tire vulcanizer having a vulcanizer body and a shaping unit and being able to accurately mount and shape a green tire in the shaping unit when shaping the green tire in the shaping unit as well as to accurately place a lower bead portion of the green tire in a lower container of the vulcanizer body when placing the shaping unit in the vulcanizer body. The tire vulcanizer with a vulcanizer body (A) and a shaping unit (B) is configured to include a lower bead support ring (23) to support a lower bead portion (C1) of the green tire (C) in a lower container (22) of the vulcanizer body.

Abstract: The present invention provides method and apparatus for tire vulcanization which can smoothly separate a bladder from the inner surface of a vulcanized tire by quickly detaching the bladder therefrom to contract it, when separating the bladder from the inner surface of the vulcanized tire by contracting the bladder after the vulcanizing. In the method in which a green tire (G) set in a die is vulcanized in a state that the green tire (G) is pressed into an inner surface of the die by inflating a bladder (30) with a fluid for heat/pressure application and attaching the bladder (30) in an inner surface of the green tire (G), when separating the bladder (30) from the inner surface (g1) of the vulcanized tire by contracting the bladder after the vulcanizing, detachment of the bladder (30) is facilitated by flowing a fluid between the outer surface (30a) of the bladder therefrom.

Abstract: Disclosed is a mold attaching/detaching apparatus in a tire vulcanizer, having locking/unlocking means configured so as to perform an engagement and disengagement by utilizing the relative movement between a top plate and bottom plate of the tire vulcanizer in a horizontal direction, and capable of being inexpensively constructed by simplifying the structure and operation of the locking/unlocking means.