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WO/2021/236758A1 |
Technologies are generally described for a method for synthesizing a geopolymer. The method includes mixing silica and metakaolin to form a pre-mixture. A silicate solution is prepared. The silicate solution and the pre-mixture are mixed...
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WO/2021/236798A1 |
Technologies are generally described for a composition for an under-layer of a brake pad of a brake disc rotor. The composition may include a fiber pack, a powdered rubber, at least one binder, and at least one filler, wherein the fiber ...
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WO/2021/228315A1 |
The invention relates to a torque limiter (1), in particular for a drive train, in particular of a motor vehicle. The design of the torque limiter (1), in which the friction linings (5) are connected via an enforced form-fit with fin-lik...
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WO/2021/223339A1 |
A pneumatic disc brake, comprising a fixed brake arm (1) and springs (13). A rotatable brake arm (2) is rotatably connected to the middle part of the fixed brake arm (1); an actuator (3) is installed at the end of the fixed brake arm (1)...
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WO/2021/225181A1 |
A composite oxide powder including cerium, zirconium, and aluminum, wherein the specific surface area is 0.5 m2/g to 10 m2/g, inclusive.
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WO/2021/221937A1 |
A method of making a wet friction material includes coating a first outer surface of a cellulose layer with a friction coating; placing a matrix of fibers and filler particles on a second outer surface of the cellulose layer; and saturat...
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WO/2021/213696A1 |
The invention relates to a friction unit, in particular a brake disc, comprising a support body (1) and at least one friction body (7) connected to at least one lateral surface thereof, wherein the friction body is formed substantially f...
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WO/2021/202334A1 |
A method of making a wet friction material includes joining filler particles and fibers together and forming a base; coating an outer surface of the base with a quaternary ammonium salt containing solution; and drying the quaternary ammo...
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WO/2021/190841A1 |
The invention relates to a plain bearing composite material (2), comprising a metal supporting layer (4), a porous carrier layer (6), which is applied to the metal supporting layer, and a sliding layer (10), which forms a sliding surface...
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WO/2021/187022A1 |
The purpose of the present invention is to provide a friction material for use in disc brake pads obtained by molding a non-asbestos-organic (NAO) friction material composition, the friction material being inhibited from making an abnorm...
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WO/2021/149498A1 |
This complex oxide powder contains cerium, zirconium, and aluminum, and has a specific surface area of 0.5 m2/g to 5 m2/g.
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WO/2021/148959A1 |
Method for producing a friction material, including the following steps in sequence: mixing an aluminosilicate source with an alkaline silicate solution to form a geopolymer, adding a friction mix to the geopolymer solution of the previo...
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WO/2021/145709A1 |
A brake body according to the present invention has a coating layer which contains an iron-based amorphous alloy and is formed on a contact surface at which a friction means rubs against the rotating brake body to generate braking force....
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WO/2021/140047A2 |
The invention relates to a brake pad (1) for a disc brake of a rail vehicle, comprising at least two support plates (2, 3), at least one friction lining (4) retained on a respective one of the support plates (2, 3), wherein a respective ...
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WO/2021/131516A1 |
The present invention addresses the problem of providing a friction material which is obtained by molding a friction material composition that is a NAO material used in a disk brake pad, and which exhibits an excellent braking effect in ...
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WO/2021/125144A1 |
The present invention addresses the problem of providing a steel-based friction material which is capable of stably achieving high coefficient of friction even if the temperature of a counterpart member has changed. The present invention...
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WO/2021/124100A1 |
The object of the present invention is a braking band (2) of a disk for a disk brake (1), said braking band (2) comprising an annular band body (6) arranged around a brake disk rotation axis or rotation axis (X-X); said band body (6) is ...
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WO/2021/125143A1 |
The problem addressed by the present invention is to provide a friction material having a sufficient friction coefficient, being capable of suppressing brake squeal, and having high strength. The present invention relates to a friction m...
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WO/2021/118514A1 |
The invention relates to a railway transport, namely to brake shoes for a railway rolling stock. A brake shoe for a railway rolling stock, the brake shoe comprising a metal backing plate having a composite friction element arranged there...
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WO/2021/100011A1 |
A block (1; 11) for wheel brakes comprising a matrix (2; 12) made of a first sintered material and one or more inserts (3; 13) included inside the matrix and made of a second material having a hardness which is greater than the one of th...
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WO/2021/100009A1 |
A block (1; 11) for wheel brakes comprising a matrix (2; 12) made of a first sintered material and having one or more inserts (3; 13) included inside said matrix (2; 12) and made of a second material. The second material has a compressib...
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WO/2021/084963A1 |
This adhesive agent composition for a wet-type friction member contains a resol-type phenol resin, a polyvinyl butylal, and a solvent, wherein the weight average molecular weight of the resol-type phenol resin is 1200-2000.
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WO/2021/079831A1 |
The present invention addresses the problem of providing a friction material which is capable of suppressing abnormal noises when the friction material gets wet with water without requiring a special step (for example, a coating step) du...
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WO/2021/079533A1 |
Provided are a bonding part, a multi-plate clutch device provided with the bonding part, and a manufacturing method of the bonding part, wherein the bonding part has fine recesses capable of suppressing a decrease in flatness of a metall...
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WO/2021/065797A1 |
[Problem] To provide a disc brake pad which is provided with a friction material having a scorch-treated friction surface, and is capable of obtaining a sufficient braking effect while preventing a fade phenomenon at the initial stage of...
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WO/2021/039534A1 |
A friction member according to an embodiment is a friction material having a copper content of less than 5 wt%, and comprises a titanic acid salt at a content of 1 to 8 wt% inclusive, a cryolite powder at a content of 0.5 to 5 wt% inclus...
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WO/2021/028629A1 |
The present invention relates to a fibrous preform (1) for forming the fibrous reinforcement of a friction part made of composite material, comprising a woven helical fibrous texture defining a superposition of fibrous layers (111; 121; ...
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WO/2021/018744A1 |
The invention relates to a railway braking system for a vehicle, comprising brake rigging and a service and/or parking brake designed to act on at least one braking member of said rail vehicle via said brake rigging, which is provided wi...
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WO/2021/015002A1 |
The purpose of the present invention is to provide a friction material that is used for a disk brake in a vehicle etc., and that is molded with an NAO-material friction-material composition, wherein it is possible to suppress brake vibra...
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WO/2021/015003A1 |
The purpose of the present invention is to provide a friction material which is used for disc brake pads of automobiles and the like, is obtained by molding a friction material composition of an NAO material, and can suppress brake vibra...
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WO/2021/010931A1 |
The invention relates to the field of railroad transport, namely to brake shoes of railroad vehicles. The invention is based on a task to increase the reliability of operation and wear-resistance of the shoe, to increase the heat rejecti...
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WO/2021/007641A1 |
The present invention describes a process for manufacturing friction material and an inorganic liquid binder for use in the manufacturing of friction materials. The present invention specifically comprises a process for manufacturing fri...
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WO/2021/010930A1 |
The invention relates to the field of railroad transport, namely to brake shoes of railroad vehicles. The invention is based on a task to increase the reliability of operation and wear-resistance of the shoe, to increase the heat rejecti...
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WO/2021/010003A1 |
[Problem] To reduce brake squeal, avoid reduction in brake effectiveness in high-temperature environments, and to improve abrasion resistance, in an environmentally friendly manner. [Solution] A friction material composition of NAO mater...
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WO/2020/259844A1 |
Friction linings which contain more than 5 wt.% aluminum in the form of Al metal (powder) or an Al alloy are suitable to ensure sufficiently high friction coefficients at little wear when combined with aluminum-containing brake disks or ...
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WO/2020/260579A1 |
A temperature resistant molded friction material includes :a base material including : a) a plurality of aramid fibers, the aramid fibers present in an amount of from 10 to 20% by weight of the base material; b) a silicate or titanate pr...
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WO/2020/262854A1 |
A friction material for brakes according to an embodiment of the present invention comprises: a body part; and a plurality of protruding parts protruding from a contact surface which comes into contact with a brake disc of the body part,...
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WO/2020/258707A1 |
Provided is a method for improving hygroscopic-state braking performance of a microporous friction material, comprising adding a hydrophobic agent into the components for preparing the microporous friction material, the microporous frict...
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WO/2020/255279A1 |
Provided is a friction material composition that can obtain an excellent friction coefficient during repeated normal braking and has excellent stability of the friction coefficient by using a material having little environmental load and...
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WO/2020/250367A1 |
Provided is a brake pad capable of applying an even braking force to a member to be braked with a simple structure. This brake pad comprises: a friction material that faces a member to be braked; a pressing member that generates a force ...
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WO/2020/252125A1 |
A method and a system of a friction device for a wheel may include a backing plate and a friction material disposed on the backing plate to form a brake surface to engage a surface of the wheel. The friction material extends between a fi...
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WO/2020/252109A1 |
A conditioning insert of a friction device includes a body having a conditioning surface configured to engage a wheel, opposite first and second sides intersecting the conditioning surface, and opposite third and fourth sides intersectin...
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WO/2020/235341A1 |
Provided are a wet friction plate and a wet multi-plate clutch device that are capable of suppressing reduction in the surface area of a friction material and capable of reducing drag torque. The wet multi-plate clutch device 100 compris...
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WO/2020/235723A1 |
The present invention relates to a brake disk friction pad assembly for a vehicle. The friction pad assembly according to the present invention allows a friction pad on a back plate to move flexibly without direction limitation. Accordin...
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WO/2020/222294A1 |
The purpose of the present invention is to provide: a disc brake pad underlayer composition that can be applied to production processes in which rubber is softened by heating, despite containing an un-cross-linked fluorine rubber; and a ...
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WO/2020/217017A1 |
The invention relates to the protection against oxidation of a carbonaceous part using an impregnating composition comprising glass precursors in the form of a solution or suspension comprising fine particles.
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WO/2020/198188A1 |
A method for forming a friction material. The method includes mixing a fibrous base material and filler particles to form a substrate. The method further includes saturating the substrate with a silane solution including a silane to form...
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WO/2020/198227A1 |
A method of producing a friction material. The method includes mixing silica containing filler particles and a liquid binder to form a binder-filler liquid mixture. The method also includes saturating a fibrous base material with the bin...
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WO/2020/189649A1 |
The present invention addresses the problem of providing a friction material which is capable of suppressing the occurrence of rust sticking even in cases where the friction material is subjected to a high-temperature thermal history (fo...
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WO/2020/189648A1 |
The problem addressed by this invention is to provide a friction material for disc brake with which it is possible to curb the occurrence of sticking due to rust, and which has stable friction characteristics even after being left in a l...
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