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AKEBONO BRAKE INDUSTRY CO., LTD.

AKEBONO BRAKE INDUSTRY CO., LTD. Patent applications
Patent application numberTitlePublished
20130096228FRICTION MATERIAL - In accordance with the present invention, there is provided a friction material. The friction material of the present invention includes a fibrous material, a binder, and a friction modifier. The friction modifier contains an artificial graphite and an inorganic filler. The artificial graphite has an average particle diameter of 1,000 to 3,000 μm. The inorganic filler has a plurality of convex parts.04-18-2013
20130040012COMPRESSION MOLDING APPARATUS AND MOLDING DIE - Disclosed are a compression molding apparatus and a molding die, whereby efficient hot-molding is performed. The compression molding apparatus performs a molding by providing a raw material into the molding die, and applying heat and pressure to the material. The apparatus is provided with: a first molding die, which forms a molding frame that surrounds a region where the raw material is compression-molded; a second molding die, which compresses the raw material provided into the molding frame; and a heat source section, which supports and heats the second molding die. The second molding die has: a first heat pipe, which has one end positioned on the heat source section side, and the other end positioned on the side of a pressing surface that presses the raw material; and a heat insulating layer, which wraps the first heat pipe along the longitudinal direction of the first heat pipe.02-14-2013
20130025981FLOATING DISC BRAKE, METHOD OF ASSEMBLING SAME, AND ASSEMBLIES CONSISTING OF PAD CLIPS AND RETURN SPRINGS - Disclosed is a structure such that when pad clips are to be mounted, it is possible to handle return springs and the pad clips as integral articles, thereby facilitating mounting work. Constraining sections are provided at both axial ends of each of the pad clips. Furthermore, the return springs are composed of inner spring elements and outer spring elements. These two types of spring elements are helical torsion springs provided with helical sections. Abutting sections are provided on the spring elements, respectively. The abutting sections are pressed against the inner surfaces of the constraining sections by elastic restoring forces. Moreover, the central axes of the coil sections are substantially oriented in the rotational direction of the rotor.01-31-2013
20130008547BLEEDER PLUG - A bleeder plug is provided with a bleeder body having a nipple portion and a threaded portion and being provided with a through hole extending from the nipple portion-side end to the threaded portion-side end; a seat pin having a press fitting portion to be press-fitted in an opening of the through hole at the threaded portion-side in the bleeder body and a seat portion blocking a bleeder hole, and a groove formed in a contact surface between the bleeder body and the seat pin and communicating the opening of the through hole at the nipple portion-side with an outside space via the contact surface.01-10-2013
20120292141DISC BRAKE APPARATUS WITH ELECTRIC PARKING MECHANISM - An electric thrusting unit for a disc brake with an electric parking mechanism includes a worm reduction gear and a thrust generation mechanism. The thrust generation mechanism converts rotational movement transmitted by way of the worm reduction gear into linear movement. A worm wheel of the worm reduction gear is supported on the thrust generation mechanism concentrically with a rotational member of the thrust generation mechanism. A drive side gearwheel and a driven side gearwheel are meshed with an output shaft of the electric motor directly or by way of an additional gearwheel so as to transmit a rotational force of the output shaft to the worm. The drive side gearwheel is provided concentrically with the output shaft and so as to rotate together therewith. The driven side gearwheel is provided on a part of the worm concentrically with the worm and so as to rotate together therewith.11-22-2012
20120292137DISC BRAKE APPARATUS WITH PARKING MECHANISM - Some of the components of a parking brake mechanism are incorporated between an inner side case and an outer side case, the two case and are combined by engaging lock holes and lock claws, and an inner side auxiliary assembly is formed. In this state, the diameter of circumscribed circle of the lock claws is configured to be smaller. Then, when the inner side auxiliary assembly is incorporated in the cylindrical space, the two lock claws are engaged with a lock concave which is formed on the inner peripheral surface of the cylindrical space by making the two lock claws protrude greatly from the outer peripheral surface of the inner side case.11-22-2012
20120259036FRICTION MATERIAL AND METHOD FOR PRODUCING FRICTION MATERIAL - To provide a highly heat-resistant brake pad adaptable to high temperatures/high loads and producible only by adding a baking step to the same production process as that for an organic friction material.10-11-2012
20120196129BEAD-LIKE HOLLOW PARTICLES, METHOD FOR PRODUCING THE SAME, AND FRICTION MATERIAL USING THE BEAD-LIKE HOLLOW PARTICLES - The present invention provides bead-like hollow particles and an easy and convenient method for producing the same, and a friction material using the bead-like hollow particles.08-02-2012
20120118500ADHESIVE - An object of the present invention is to improve the fluidity of a thermosetting powder adhesive and clear the blocking with a powder adhesive in a constant amount supplying apparatus or a delivery pathway. The present invention has attained the object by a powder adhesive containing a thermosetting adhesive particle and an inorganic filler present on the surface of the thermosetting adhesive particle.05-17-2012
20110174154RESIN PISTON AND METHOD FOR MOLDING RESIN PISTON - In a method for molding a resin piston by charging a preheated resin tablet into a cavity of a molding die, and by carrying out compression molding while heating, at a time point when an internal pressure of the cavity arrives at a determined pressure, by pressurizing a pressurizing margin in the molding die, resin which overflows from the molding die is discharged from a passage which is defined in an area except an outer circumferential surface of the piston, while the internal pressure of the cavity is maintained. After a thermosetting cycle has finished, the molding die 07-21-2011
20110139555ELECTRIC BRAKE DEVICE - An electric brake device includes a brake pad, an axial force sensor and a controller. The brake pad is pressed against a rotation face of a brake rotor in a direction perpendicular to the rotation face. The axial force sensor detects a pressure of the brake pad. The controller performs a speed reduction control which is an operation target, based on at least one of the pressure of the brake pad and a reduced speed obtained from a wheel speed sensor.06-16-2011
20110092400SOLID LUBRICANT AND PRODUCTION METHOD THEREOF - A method for producing a solid lubricant includes steps of preparing and coating. A phosphate aqueous solution prepared by the step of preparing is an aqueous solution containing at least one of aluminum dihydrogen phosphate and magnesium dihydrogen phosphate in an amount of 0.5 to 10% by mass. A graphite material is coated with a phosphate using the phosphate aqueous solution. The graphite material is used at a ratio of 40 to 50 parts by mass based on 100 parts by mass of the aqueous solution.04-21-2011
20110017553DISK BRAKE DEVICE - A cam housing assembly oscillates in association with rotation of an eccentric cam which is attached to a camshaft and is allowed to press a clutch by cam pins of the cam housing assembly. A pair of piston assemblies are provided of which each includes a piston which can slide within a sleeve, a spindle and a nut which screws on to the spindle and are supported in hole portions in a caliper body so as to oscillate therein, whereby a brake pad is pressed against by a plug after the spindle, the nut and the piston are sequentially pressed by pressing a clutch by the cam pins. Since the spindle and the nut are screwed on to each other through a reversible screw, a gap is adjusted automatically as the pad wears.01-27-2011
20100276237APPARATUS AND METHOD OF MANUFACTURING BRAKE LINING - A manufacturing apparatus 11-04-2010
20100236878DISC BRAKE - Among abutment parts (Af, Bf, Cf, Ar) of pad-side engagement parts (09-23-2010
20090307892METHOD AND APPARATUS FOR MANUFACTURING BRAKE, AND METHOD AND APPARATUS FOR INSPECTING BRAKE - A brake includes an annular boot which can be expanded and contracted according to movements of a piston and is assembled to an opening part of a cylinder and to an annular groove on an outer peripheral face of the piston. The boot is assembled by: engaging one end of the boot with the opening part of the cylinder in a state where the piston is contained in the cylinder; moving the piston so that at least a part of the piston is withdrawn from the cylinder and that the other end of the boot is pressed by a pressing face of the piston; and fitting the other end of the boot into the annular groove of the piston, while a movable range of the other end of the boot is restricted by an expanding allowance of the boot whose one end is engaged with the opening part of the cylinder.12-17-2009
20090286067FRICTION MATERIAL - A friction material contains substantially no material whose Mohs hardness is higher than 6. In addition, the friction material contains a layered clay mineral, in which titania particles are inserted into layers, at a rate of 0.5%-by-mass to 20%-by-mass.11-19-2009
20090283374DRUM BRAKE APPARATUS - A drum brake apparatus is provided with a backing plate, a brake shoe, a shoe guide portion formed integrally with a backing plate by cutting-up, a guide surface on a rear surface of the shoe guide portion, an engagement projection that is formed on the brake shoe and slidably engages with the guide surface, and end portions that is formed on the shoe guide portion at both ends of the shoe guide portion in a circumferential direction of the drum brake apparatus and is continuous to the backing plate. Uplift of the brake shoe from the backing plate is prevented by engagement between the guide surface and the engagement projection.11-19-2009
20090270284FRICTION MODIFIER, METHOD OF PRODUCING FRICTION MODIFIER, AND FRICTION MATERIAL - A friction modifier is provided with a titania particle-layered clay mineral complex in which titania particles are contained in a layered clay mineral. An average particle diameter of the titania particles is 3 to 100 nm. A ratio of the titania particles to the titania particle-layered clay mineral complex is 0.1 to 0.8 on the mass basis.10-29-2009
20090137434BINDER RESIN FOR FRICTION MATERIAL, BINDER RESIN COMPOSITION FOR FRICTION MATERIAL, COMPOSITE MATERIAL FOR FRICTION MATERIAL CONTAINING THE SAME, FRICTION MATERIAL AND PRODUCTION METHOD THEREOF - The present invention provides a binder resin for a friction material, which enables high-temperature short-time thermoforming and can omit a post-curing step and suppress the generation of a pyrolysis component at molding; a friction material using the binder resin; and a binder resin composition for a friction material, which is enhanced in the heat resistance and can suppress a rapid increase of the wear amount, and in addition to these properties, which has good dynamic property and enables high-temperature short-time thermoforming. The present invention relates to a binder resin for a friction material which comprises (A) one kind or two or more kinds of polybenzoxazine resins selected from a condensation reaction product of an aminophenol compound with formaldehydes and a condensation reaction product of a bifunctional phenol compound and a bifunctional amine compound with formaldehydes; a binder resin composition for a friction material which comprises: the component (A); and further (B) one kind or two or more kinds of particles selected from an inorganic particle and an inorganic-organic composite particle, and a friction material obtained by the binder resin or binder resin composition.05-28-2009
20090108990Electronic key system and motorcycle using the same - The present invention provides a battery-free electronic key used in motorcycles and improves security.04-30-2009
20090058625Tire sensor system and tire used for the same - Electromagnetic field transmissions between a sensor unit mounted on the inside surface of a tire and a sensor control unit mounted on the vehicle body are attenuated by the wall surface of a tire disposed between the units, and sensitivity is reduced. A booster antenna (03-05-2009
20090031794Tire sensor system and vehicle body having the same mounted thereon - The position of the rotation of a tire complicates the establishing of a wireless connection between a sensor unit attached to the tire and a sensor control unit attached to a vehicle body.02-05-2009

Patent applications by AKEBONO BRAKE INDUSTRY CO., LTD.