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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 |
| 6953640 | Graphite particles and lithium secondary battery using the same as negative electrode A graphite particle obtained by assembling or binding together a plurality of flat-shaped particles so that the planes of orientation are not parallel to one another, or a graphite particle in which aspect ratio is 5 or less or specific surface area is 8 m2 | 10/11/2005 |
| 6777461 | Polymeric composition for friction elements The polymeric composition for friction elements comprises a co-polymer between (I) a resin containing phenolic groups and a reticulation agent, and (II) an organopolysiloxane resin containing terminal silanol groups. A part at least of the phenolic groups is bound t... | 08/17/2004 |
| 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 |
| 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 |
| 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 |
| 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 |
| 5969001 | Friction material for a synchronizer ring A friction material for a synchronizer ring which exhibits good heat resistance, wear resistance and scorching resistance properties has 30 to 70% by weight of a carbon material, 10 to 40% by weight of a thermosetting resin, 5 to 30% by weight of metal fi... | 10/19/1999 |
| 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 |
| 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 |
| 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 |
| 5622785 | Coating for a brake pad, a method of reducing brake pad noise, and a brake pad A coating for reducing brake pad noise is provided that includes about 40 to about 90% by weight of a phenolic thermosetting resin, about 1 to about 40% by weight of graphite, about 1 to about 40% by weight of molybdenum disulfide, and, 0 to about 40% by ... | 04/22/1997 |
| 5532296 | Bismaleimide resin systems toughened by addition of preformed functionalized low Tg elastomer particles Bismaleimide resin systems and fiber reinforced prepregs prepared therefrom having exceptional toughness are prepared by dispersing into a bismaleimide base resin system preformed functionalized elastomer particles having a Tg of less than 10°... | 07/02/1996 |
| 5507850 | Abrasive articles comprising a grinding aid dispersed in a polymeric blend binder Abrasive articles and methods of making and using same are presented, the abrasive articles having a peripheral surface adapted to contact and abrade a workpiece. The abrasive articles comprise abrasives particles and a grinding aid composition positioned... | 04/16/1996 |
| 5449704 | Photopolymerisable liquid compositions comprising resol and aminotraizine resins A liquid composition which on exposure to actinic radiation polymerises to form a heat-curable solid film adhesive, said composition comprising (A) a heat-curable phenol-aldehyde resol resin, (B) a photopolymerisable resin having, on average, more than on... | 09/12/1995 |
| 5434211 | Heat-curable adhesive Heat-curable adhesive in powder form and solvent-free, containing a mixture of solid phenolic resin with latent hardener in combination with an inorganic pigment mixture.... | 07/18/1995 |
| 5420229 | Flushing vehicles for preparing flushed organic pigments and method for preparing the same A flushing vehicle for lithographic inks is the reaction product of a tall oil rosin-modified maleic ester resin with an acid number of less than about 30, and about 2-16 wt. %, based on the weight of the ester, of a polyamide resin with an amine number l... | 05/30/1995 |
| 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 |
| 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 |
| 5132065 | Method for producing friction compositions and products A railroad brake shoe friction composition is prepared in the absence of a volatile solvent by first preparing a fluid paste bonding matrix containing an uncured rubber compound, a blend of highly polymerized cashew nut shell liquid resin with a reactive ... | 07/21/1992 |
| 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 |
| 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 |
| 4918116 | High temperature resistant molding materials Improved high temperature resistant molding materials containing customary filler materials and additives and a carbon forming bonding agent which is a phenol novolac with a molar ratio of phenol to formaldehyde of 1 to 0.2 to 1 to 0.35 of high quality an... | 04/17/1990 |
| 4886706 | Fibrous polyacrylonitrile reinforcing mixture for friction product applications, and method of making same An improved fibrous polyacrylonitrile mixture for use in friction products enables the production of low resiliency preforms by mixing an additive with a polyacrylonitrile wet gel. The additive is incorporated into the fiber in extremely large amounts. Th... | 12/12/1989 |
| 4866107 | Acrylic containing friction materials The addition of fibrillated acrylic fiber to non-asbestos type friction material compositions provides marked improvement in the flexural strength, stiffness and structural integrity of preforms used in the manufacture of friction elements. The consequent... | 09/12/1989 |
| 4861809 | Friction material A friction material containing from about 0.5-29 wt % of carbonaceous fibers with a bond nitrogen content of from about 14 to 21 wt %, an auxiliary material and a thermosetting resin. The material has good wear and temperature resistance characteristics a... | 08/29/1989 |
| 4855336 | Friction material containing mill scale In a friction material wherein sponge iron is a principle friction producing component especially on initial engagement during a brake application, the improvement wherein 10-50% of the sponge iron is replaced with mill scale without a substantial change ... | 08/08/1989 |
| 4775705 | Friction materials and their manufacture Non-asbestos brake pads made of reinforcing, temperature resistant, web-forming fibers such as aromatic polyamide pulp, optionally including other fibers and friction and wear modifiers is described. The brake pads have an actual density not greater than ... | 10/04/1988 |
| 4748193 | Friction material A composition of matter for use as a friction material having soft malleable metallic (zinc) powder therein to attenuate low frequency vibrations that produce undesirable noise during a brake application.... | 05/31/1988 |
| 4743635 | Friction material and method of making such material A friction brake material contains fibers, graphite and a binder. All or part of the graphite is physically combined with one or more metals or alloys which are softer than steel to form a first combination or mixture. A separate combination or mixture is... | 05/10/1988 |
| 4735975 | Friction material A friction material comprising 40 to 95% by volume of a granular material and a thermoset binder resin for binding said granular material, said granular material having been produced by binding at least one powder material with a binder resin so that at l... | 04/05/1988 |
| 4678818 | Friction material and method of making such material A friction brake material contains fibers, graphite and a binder. All or part of the graphite is physically combined with one or more metals or alloys which are softer than steel to form a first combination or mixture. A separate combination or mixture is... | 07/07/1987 |
| 4672082 | Friction material using steel fibers A friction material particularly useful for vehicle brakes comprises a friction material body including a plurality of steel fibers. Each steel fiber includes at least 0.07% by weight of sulphur, at least 0.10% by weight of phosphorus, or at least 0.15% b... | 06/09/1987 |
| 4665108 | Friction material using iron powder A friction material having particular use in brake pads for motor vehicles. The material includes iron powder as its chief constituent. In addition, the material contains phosphorous (P) of 0.02% or more of sulfur (S) of 0.02% or more or combined P and S ... | 05/12/1987 |
| 4654381 | Moldable friction element composition and method of making the same The compositions of friction element for molding and the friction element for molding formed from the composition characterizing by addition of any one or more than two of the cermet powder (A) contained 75-50% of the mixed carbon and 25-50% of the alloy ... | 03/31/1987 |
