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| Number | Title | Issue Date |
| 7297728 | Friction material A friction material is made by molding and curing a composition containing a fibrous base that includes stainless steel fibers but not other steel fibers, a binder, and a friction modifier that includes at least two types of hard particles having a large Mohs hardne... | 11/20/2007 |
| 6624232 | Pavement sealing composition and method of application A pavement sealing composition and method of application of the sealant to pavement to form a thin coating which protects the pavement, particularly asphalt from the harmful effects of oxidation, water, ice and snow as well as fluids spilled onto the pave... | 09/23/2003 |
| 6596789 | Non-asbestos friction materials A non-asbestos friction material made by molding and curing a composition comprised of a fibrous base, a binder, and a filler has a 100 Hz vibration damping factor (tan δ) at 300° C. minus tan δ at 50° C. value of at least -0.030. The binder may be a ... | 07/22/2003 |
| 6534565 | Friction facing composition and method of manufacture Friction materials for clutch, brake shoes and the like are formed of a paper having reduced or eliminated non-functional processing additives. The paper composition includes components selected from a group consisting of aramid pulp, aramid staple, carbo... | 03/18/2003 |
| 6479413 | Composite friction elements and pultrusion method of making A composite friction unit of a three dimensional composite body is formed of a substantially uniform array of predominately glass strands of primary reinforcing fibers in matrix of phenolic resin material, the reinforcing fibers in the form of fabric dist... | 11/12/2002 |
| 6475614 | Friction material In a friction material including a fibrous reinforcement, a friction modifier and a binder, no whisker-like potassium titanate fiber is contained, but powdery or flaky potassium titanate with an aspect ratio of not higher than 3 is mixed as a friction com... | 11/05/2002 |
| 6372817 | Friction material composition, production of the same and friction material A friction material composition comprising (a) a fibrous material, (b) a binder containing a liquid rubber and (c) a friction regulator containing cashew dust is produced by coating the cashew dust with the liquid rubber, adding the fibrous material, rema... | 04/16/2002 |
| 6255234 | Ultra low friction carbon/carbon composites for extreme temperature applications A carbon/carbon composite in which a carbon matrix containing a controlled amount of boron or a boron compound is reinforced with carbon fiber exhibits a low coefficient of friction, i.e., on the order of 0.04 to 0.1 at temperatures up to 600° C., which ... | 07/03/2001 |
| 6231977 | Wet friction material A wet friction material with small initial variations in friction coefficient, suppressing occurrence of heat spots, and with excellent heat resistance and friction resistance is provided. In the wet friction material including a fiber base material, a fi... | 05/15/2001 |
| 6221475 | Friction element in composite carbon/carbon-silicon carbide material and method for manufacturing same A friction element is made out of a composite material comprising carbon fiber reinforcement and a matrix which, at least in the vicinity of the or each friction face, comprises: a first phase in the vicinity of the reinforcing fibers and containing pyrol... | 04/24/2001 |
| 6110991 | Friction materials containing blends of organic fibrous and particulate components Dry processed friction materials are disclosed wherein the components thereof include dry blends of a) fibrillated, organic, synthetic polymer, b) organic, synthetic polymer staple and c) organic, synthetic soluble polymer particles.... | 08/29/2000 |
| 6110268 | Sintered brake lining and method for its manufacture A friction-type member, which is suited, in particular, as a brake pad for a brake member of fiber-reinforced ceramic, and a method for manufacturing such a brake pad. A mixture is initially prepared from at least carbon particles and metal particles, if ... | 08/29/2000 |
| 6107386 | Friction materials A friction material comprising a filler, a binder, and a lubricant, wherein a part or the whole of the filler is constituted by molybdenum trioxide. Not only is the friction material improved in anti-cracking property and anti-fading property under high-t... | 08/22/2000 |
| 6080230 | Friction material composition In a friction material composition containing a fiber base, and a binder, a novolak type phenolic resin having a mean molecular weight of from 3500 to 5000 is used as the binder.... | 06/27/2000 |
| 6060536 | Method of producing wet friction material and wet frictional material In a method of producing a wet friction material according to the present invention, a water soluble material is dispersed into a raw paper including a fibrous base material, a filler, and a friction adjusting agent. Then, the raw paper is passed through ... | 05/09/2000 |
| 6051646 | Thermosetting binder prepared with (hydroxyalkyl)urea crosslinking agent for abrasive articles Abrasive articles comprising a cured thermosetting binder and abrasive grains. The binder is prepared with a poly-functional molecule which contains at least two functional groups selected from the group consisting of carboxyl, anhydride and amine, and a ... | 04/18/2000 |
| 5919837 | Friction materials containing blends of organic fibrous and particulate components Wet processed friction materials are disclosed wherein the components thereof include blends of a) fibrillated, organic, synthetic polymer, b) organic, synthetic polymer staple and c) organic, synthetic soluble polymer particles.... | 07/06/1999 |
| 5891933 | Metal titanates for friction stabilization of friction materials Alkali and alkali earth metal titanates used for friction stabilization of friction materials such as, but not limited to, disk brake pads, brake drum linings, clutch disks, and other friction applications are described. Examples of suitable alkali and al... | 04/06/1999 |
| 5889081 | Binder composition for friction materials, and friction material This invention provides: (1) a hinder composition for friction materials, characterized in that it comprises a thermosetting resin and a specific organic silicon compound having phenyl groups, and (2) a friction material having as a binder composition sho... | 03/30/1999 |
| 5888645 | Method and apparatus for manufacturing an article of a composite material A fiber-reinforced composite material and articles of manufacture formed thereof are formed by the method comprising: forming a compound material comprising a mixture of curable matrix-forming binder, heat resistant reinforcing fibers, and at least one pa... | 03/30/1999 |
| 5889082 | Method for manufacturing friction materials containing blends of organic fibrous and particulate components A method for producing wet processed friction materials are disclosed wherein the components thereof include blends of a) fibrillated, organic, synthetic polymer, b) organic, synthetic polymer staple and c) organic, synthetic soluble polymer particles.... | 03/30/1999 |
| 5889080 | Friction materials containing blends of organic fibrous and particulate components A method for making a dry blend for use in the preparation of a friction material, a dry blend per se and dry friction materials is disclosed wherein the components thereof include a) fibrillated, organic, synthetic polymer, b) organic, synthetic polymer ... | 03/30/1999 |
| 5821282 | Self lubricating brake shoe material A self lubricating material for use in a castable material from which a predetermined component having at least one friction surface is to be manufactured. Such self lubricating type material consisting essentially of cellulose in the range of between abo... | 10/13/1998 |
| 5753018 | Resin mixture for friction materials An improved friction material composite is disclosed that contains a fibrous reinforcing constituent, various friction imparting and controlling additives, and a thermosetting resin mixture in which mixture is contained pitch, a polyimide resin, and optio... | 05/19/1998 |
| 5676577 | Friction lining materials The present invention relates to a fibrous base material comprising fibrillated aramid fibers, cellulose fibers, and at least one type of filler material and a non-asbestos friction material produced therefrom by impregnating the fibrous base material wit... | 10/14/1997 |
| 5670231 | Clutch facing An asbestos-free high performance clutch facing which exhibits a less decrease in the friction coefficient as well as a less wearing during long-term repeated cycles of loading at high temperatures is disclosed. The clutch facing is a disk-shaped clutch facing... | 09/23/1997 |
| 5502090 | High tenacity and high toughness acrylic sulfide fibers, a process for production thereof, and composite materials prepared by using it The present invention relates to acrylic sulfide fibers whose tensile strength is at least 3.5 g/d, toughness expressed by TE1/2 product of tensile strength (T g/d) and a square root of tensile elongation (E %), is higher than 10 and sulfur con... | 03/26/1996 |
| 5384344 | Friction material containing BT resin dust A friction material containing dust having bismaleimidetriazine as a major ingredient. The dust is effective when contained in amount of 1 to 20 wt. % in the friction material. Compared with conventional friction material containing cashew dust, the gener... | 01/24/1995 |
| 5292780 | Compositions for friction elements This invention relates to a composition suitable for use in friction elements and comprises a frictional material and a binder, the latter being a blend of a polyvinyl alkyl ether with a phenolic resin and optionally a rubber. Compared with conventional f... | 03/08/1994 |
| 5268398 | Friction material and method of manufacturing such material A friction material is so manufactured that a hygienic environment can be maintained while simultaneously reducing the brake noise without reducing the friction coefficient of the brake pads made of the present material. The friction material is granulate... | 12/07/1993 |
| 5230952 | Sintered composite friction material comprising fluorocarbon resin A sintered fluorocarbon resin based composite friction material having a high coefficient of friction, greater hardness, good machineability and improved wear resistance. The composite material comprises a homogeneous blend of fluorocarbon resin, aramid a... | 07/27/1993 |
| 5190991 | Brake linings A brake lining is made from a preform which has been formed by a compression step parallel to that surface of the brake lining preform which is to be the braking surface of the lining in use and has subsequently been compressed in a direction substantiall... | 03/02/1993 |
| 5182166 | Wear-resistant composite structure of vitreous carbon containing convoluted fibers A wear-resistant composite structure which is especially suitable for use in the formation of sealing components, brake linings, electrical motor brushes, bearings, and like products, is disclosed. This composite structure includes as its primary componen... | 01/26/1993 |
| 5153253 | Bearings A bearing material comprising in wt %: 5 to 30 PTFE; 5 to 60 bronze; 1 to 20 graphite; balance PVDF is described together with test results of bearings having a lining of the material.... | 10/06/1992 |
| 5145888 | Non asbestos ion-polyer composite friction materials Non-asbestos ion-polymer composite friction materials show high heat resistance and low wear, being especially useful for friction elements in brake shoes or blocks in automobiles and industrial machines. The non-asbestos ion-polymer composites are basica... | 09/08/1992 |
| 5122550 | Cellulose ester fibrils: a molding aid for friction materials A non-asbestos friction material composition suitable for use as a friction element includes: a binder; a reinforcing material; and a structural integriy imparting amount of cellulose ester fibrils.... | 06/16/1992 |
| 5093388 | Very high friction eleastomer formulation for use in static braking applications A high friction brake shoe formulation having a high static friction coefficient in shear of about 1.5 and low adhesion to materials having microscopic pores therein in contact with said brake shoe formulation which comprises a mixture of about 75 phr of ... | 03/03/1992 |
| 5080969 | Composite friction material for brakes The invention relates to a composite friction material for brakes comprising a main friction material containing thermosetting resin as a binder, and a layer of high friction material with a higher friction coefficient than said main friction material for... | 01/14/1992 |
| 4954536 | Brake-friction material A brake-friction material comprising: (a) a base material having a fiber structure for giving a high mechanical strength and a high friction coefficient to the brake-friction material; (b) a lubricant for decreasing a wear of the brake-friction material; (c) a fill... | 09/04/1990 |
| 4920159 | Friction resistant composition The present invention is a composition comprising a friction resistant filler and a cyanato group containing phenolic resin which has repeating units of the formula: ##STR1## wherein p is 0 or an integer of one or more, q is an integer of one or ... | 04/24/1990 |
