Abstract: The present invention provides non-asbestos-based friction materials for brakes, clutches or the like for automobiles, large-size trucks, railway cars and various industrial machines, characterized in that it causes no cancer or pneumoconiosis (in particular silicosis) in humans, has excellent friction and rust-proof performance and a lower tendency of counter surface attack. The non-asbestos-based friction materials are made by molding and curing a composition comprising, as the major components, a fibrous base, binder and filler, wherein the fibrous base has a length of 5 &mgr;m or more and diameter of 3 &mgr;m or less; is free of inorganic fibers having an aspect ratio (fiber length/fiber diameter) of above 3; and contains chopped strands of amorphous silica, 1 mm or more but less than 3 mm long and 6 &mgr;m or more but less than 10 &mgr;m in diameter.

Abstract: A composition for improving grip between the hands and a tool or implement is provided, which comprises a chlorinated paraffin, a dispersing agent, and a solvent in an amount up to and including about 3.0% by weight relative to the total weight of the composition. A method of making the composition in the form of a dry powder, as well as a method of using the dry powder to improve friction or grip on the hands, are also provided.

Abstract: A wet friction material and its manufacturing method are provided. The wet friction material has a substrate having a surface and a very superficial layer. The very superficial layer is provided on the surface of the substrate and contains resin and fibers. The resin and the fibers are heated by one of a laser beam, a heating plate and a heating roller so as to thermally change the very superficial layer in a short period of time. Such manufacturing method is capable of evenly carbonizing the resin and the fibers of the very superficial layer of a friction surface of the wet friction material so as to flexibly deal with a variety of size of products.

Abstract: A mine roof bolt, preferably one inch or less in diameter, having an external coating configured with particles which mix resin as the mine roof bolt is rotated in a mine roof bore hole.

Abstract: There is disclosed a frictionizing composition for imparting long-term anti-slip properties to the surface of a paper product comprising an aqueous sol of colloidal silica, glycerin, and at least one agent selected from the group consisting of N-methyl pyrrolidone, N,N-dimethyl acetoacetamide, urea, sorbitol, fructose and dextrose. The composition remains fluid, even after prolonged exposure to drying conditions, and thus is readily dispersible in water for easy cleanup of residue from apparatus and the work environment.

Abstract: A shapeable, weather-resistant anti-slip panel has a cut-resistant anti-slip coating on a rigid substrate and a pattern of cuttable lines; this enables the panel to be shaped by cutting the substrate along selected lines and overcomes the problem with known weather resistant anti-slip panels that the anti-slip coating particles, being very hard, make the anti-slip coating very difficult to cut or drill, as the coating readily and speedily blunts cutting tools.

Abstract: A friction material characterized as containing, as a friction control agent, 3-50% by weight of one or more substances selected from flat layered titanates represented by the general formula (1), AxMyTi2−yO4 (wherein A represents an alkaline metal other than lithium; M represents one or more elements selected from lithium, magnesium, zinc, nickel, copper, iron, aluminum, gallium and manganese; x is a number of 0.5-1.0; and y is a number of 0.25-1.0) and flat layered titanic acids represented by the general formula (2), Hx(M′y)zTi2−yO4.nH2O (wherein M′ represents one or more elements selected from lithium, magnesium, zinc, nickel, copper, iron, aluminum, gallium and manganese; x is a number of 0.5-1.0; y is a number of 0.25-1.0; z is a number of 0 or 1; and n is a number of 0≦n≦2).

Abstract: A friction material exhibiting a great coefficient of friction, as compared to that of the conventional friction material, which is produced with the use of an organic paper-like substrate. The friction material is composed of the paper-like substrate of a fibrous material, and an inorganic binder with which said substrate is impregnated. When friction is produced, the inorganic binder exhibits friction characteristics so that a great coefficient of friction can be effected, as compared to the cases organic binders such as phenol resin are used.

Abstract: A non-asbestos friction material is made by molding and curing a composition comprising a fibrous base, an inorganic filler, an organic filler and a binder. The inorganic filler, typically zirconium silicate, has a 90% particle size of 0.1 to 8 &mgr;m, a Mohs hardness of 6 to 8, and accounts for 0.1 to 10% by volume of the overall composition. The friction material is useful as brake linings and has a high braking effectiveness in normal use, a small speed spread, low change over time in braking effectiveness, and can prevent morning effect and jerky low-speed braking.

Abstract: A mouse pad with improved self-cleaning and traction features. The mouse pad is a planar structure with a parallel top control layer and a bottom anti-skid coating. Formed on the top layer is a top control layer with a plurality of alternating, equal height, prismatic and pyramidal shapes, which provide improved cleaning and traction properties. Small troughs are formed between the adjacent shapes, which collect fine dirt and dust particles that are swept from the surface of the mouse ball during use. In one embodiment, the top control surface is made of flexible material that allows the prismatic and pyramidal shapes to bend slightly when the ball of a mechanical mouse rolls over the top surface. This bending action provides improved self-cleaning and traction features. In another embodiment, the top layer is made of transparent material. An ink layer may be applied to the bottom surface of the top layer.

Abstract: An object of the present invention is to provide a friction material having excellent friction and wear characteristics even at a high temperature, and excellent productivity and workability. The friction material of the present invention is blended with scaly boehmite as a friction adjustment agent.

Abstract: A dental restorative material is disclosed, comprising an amorphous inorganic material having a refractive index in a D-line of sodium in the range of 1.470˜1.520 and having an X-ray opacity; a (meth)acrylic ester monomer not having a benzene ring in a molecule thereof; and a polymerization initiator, if desired, the dental restorative material according to the invention further comprises an amorphous inorganic material having a refractive index in a D-line of sodium equal to or less than that of the (meth)acrylic ester monomer not having a benzene ring in a molecule thereof, the dental restorative material of the invention has an X-ray opacity and translucency close to natural teeth, and has superior esthetics not using a monomer having a benzene ring which has a fear of an environmental hormone action.

Abstract: A non-asbestos friction material is disclosed, which comprises a non-asbestos fibrous reinforcement, a thermosetting resin binder, and a filler as the main components, wherein the fibrous reinforcement is a combination of plural kinds of non-asbestos fibers and contains sepiolite fibers, cellulose fibers, and an acryl pulp as the fibrous reinforcement. The friction material of the present invention is excellent in fade characteristics, stability of effectiveness, etc., and low in cost.

Abstract: Abrasive articles comprising a cured thermosetting binder and abrasive grains. The binder is prepared with a poly-functional molecule comprising at least two functional groups selected from the group consisting of carboxyl and anhydride, and a crosslinking agent which is selected from the group consisting of a mono(hydroxyalkyl)urea comprising a single urea group, a single hydroxyl group, and at least two carbon atoms disposed between the urea group and the hydroxyl group, and 2-oxazolidone. The abrasive articles comprise bonded, nonwoven or coated abrasive articles.

Abstract: 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 indicated, with the addition of polymer binding agents suited for pyrolysis; of hard material particles, such as silicon carbide or titanium carbide as abradants; and of solid lubricants, such as molybdenum sulphide or graphite, and subsequently cold-pressed into green compacts. Sintering is then carried out under vacuum or protective atmosphere, the organic binding agent concentrations initially being pyrolized, and the metal particles being at least partially bonded by reaction to carbon. The friction pads manufactured in this manner exhibit considerable mechanical strength, good frictional properties, as well as a high thermal loading capacity accompanied by a low rate of wear.

Abstract: 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.

Abstract: A friction material and a braking device and an image forming apparatus using the friction material. The friction material is formed of polyamide elastomer having a bending modulus of elasticity defined to be in a range of from 100 MPa to 500 MPa.

Abstract: An article for enhancing an athletic implement grip where the article comprises a carrier material which is impregnated with a mixture utilizing a tacky adhesive and a thickener. The mixture is applied in sufficient quantities to the grip so as to permit retention of a portion of the mixture to the carrier and removal of a portion of the mixture when the impregnated carrier material contacts an athletic implement grip.

Abstract: A non-slip mat, pad or coaster which is considerably thinner than present known and available pads, the mat or pad being formed from a thin plastic sheet having a lower surface with a tacky characteristic to provide a non-slip coefficient of friction; the mat or pad being formed from a suitable plastic material, such as polyvinyl, polyproplylene, polycarbonate, polystyrene or polyester, etc., and the lower surface is formed by coating the surface with a suitable ink, such as an ultraviolet ink, water-based ink or solvent-based ink containing a tackiness agent in the form of an acrylated polymer. The ink may be applied as a very thin firm of the ink adhesively joined to the underside of the plastic, or the ink is coated onto the undersurface of the pad or mat by silk screening, or in a multimaterial coating operation.

Abstract: The invention provides a material for making non-skid coatings, comprising: a particulate composition including wollastonite particles, cellulose particles, and diatomaceous earth particles. The invention provides a method of forming a non-skid coated substrate, comprising: providing a material for making non-skid coatings, comprising: particulate composition, the particulate composition comprising wollastonite particles, cellulose particles, and diatomaceous earth particles, providing liquid composition comprises water, fungicide, defoamer, ultra-violet light absorber and polymeric material, mixing the particulate composition and the liquid composition to form a coating composition, coating the coating composition onto a surface of a substrate to form a non-skid coated substrate.

Abstract: A method of stabilizing the initial friction level of a brake friction material. The method comprises coating the friction material with a coating which is insoluble in water and which comprises a binder selected from alkali metal silicates and metal alkoxides. The coating may also comprise particulate friction-enhancing material.

Abstract: The adhesion between a locomotive drive wheel and supporting rail can be substantially increased by application of a powder mixture that contains a hard particle constituent preferably including alumina, a soft particle constituent preferably including titania, and an iron oxide constituent. The mixture may be in the form of a dry powder, a paste with water or alcohol vehicle, or a metal composite that includes the powder.

Abstract: A method for treating and maintaining floors cleans the floor and restores an optimum coefficient of friction. The method involves a restoring phase and a cleaning phase, in which the cleaning phase is performed using the same solution as in the restoring phase, but in a diluted form. The method is applicable to cleaning solid hard floors such as those made of unglazed quarry tiles, glazed ceramic tiles and cement.

Abstract: The present invention relates to formulations and methods for preventing surfaces of natural or mineral materials or cementitious products from becoming slippery, especially when wet. The formulations comprise a non-fluorine-containing acid; a fluorine-containing compound, hydrogen sulfate or acetic acid; and a surfactant. Also disclosed are novel cleaning agents.

Abstract: A wet frictional engagement plate comprising a core metal having a surface and a wet frictional material containing a fiber component, a filler, a friction adjustment agent and a thermosetting resin, the wet frictional material being fixed onto a surface of the core metal. Before or after the wet frictional material is fixed onto the surface of the core metal, the surface of the wet frictional material is subjected to a surface treatment process comprising pressing a smooth-faced hot plate of a temperature in a range of from 350.degree. C. to 550.degree. C., which temperature is selected so that it does not carbonize the thermosetting resin, against the surface of the wet frictional material for a time in a range of from 1 to 5 seconds. The wet frictional engagement plate has a friction coefficient which does not change and remains stable from initial use, and also has a long endurance life.

Abstract: 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 optionally a phenolic resin. Pitch-polyimide mixtures can be formulated to provide unusually high temperature resistance and strength and the pitch-polyimide-phenolic resin mixtures formulated to provide like properties at moderate cost.

Abstract: A wearing surface for tires includes a rubber or rubber mix and an admixture of friction-improving materials. The admixture of friction-improving materials include a mixture of crystalline chrysolite (olivine) and a metal powder. The metal powder can be steel or an aluminum alloy.

Abstract: An improved composition is provided for increasing the coefficient of friction of surfaces to which it is applied. The composition consists of an aqueous suspension of an ether and at least one material selected from the group comprising colloidal silica, colloidal silica and alumina, or colloidal silica and metal oxides, wherein the ratio of the material to the ether is from 1:1 to 25:1.

Abstract: The present invention relates to formulations and methods for preventing surfaces of natural or mineral materials or cementitious products from becoming slippery, especially when wet. The formulations comprise a non-fluorine-containing acid; a fluorine-containing compound, hydrogen sulfate or acetic acid; and a surfactant.

Abstract: A composition useful as an antislip for articles with plastic surfaces is provided. Said composition typically comprises from 35 to 45% by weight of a rosin or derivative thereof, preferably a water-soluble, saponified rosin, from 5 to 10% by weight of an alcohol, preferably selected from the group consisting of ethane-1,2-diol, propane-1,2-diol and propane-1,2,3-triol, from 5 to 10% by weight of a liquefying agent, preferably selected from the group consisting of alkali metal alkyl benzenesulfonates containing up to 8 carbon atoms in the alkyl chain and alkaline earth metal alkyl benzenesulfonate containing up to 8 carbon atoms in the alkyl chain, optionally from 15 to 25% by weight of a propellant, e.g. dimethyl ether, optionally from 0.5 to 5% by weight of a water-soluble polymer selected from the group consisting of one or more of the following substances: starch, starch derivatives, dextrin, polyurethane, and cellulose ethers, and the balance water.

Abstract: A traction aggregate suitable for antiskidding applications where reduced dust generation is desired. An expanded substrate is saturated with a liquid absorbed dust suppressant and sealed with a liquid water repellant sealant/dust suppressant. The aggregate traction material may be dispersed over thoroughfares to provide adequate traction for vehicles and, once the snow/ice melts and the roadway dries, leaves behind a non-dusting material that will remain a dust suppressant material during and after subsequent vehicular degradation.

Abstract: A substance for increasing friction between two surfaces such as two metallic surfaces has a gel base material determining the viscosity of the substance and contains hard crystals mixed into the gel based material. A plurality of the hard crystals is comprised of a first particles of the first substantially identical particle size and second particles of the second substantially identical particle size. The first and second particle sizes have a fixed ratio relative to one another.

Abstract: A method for producing friction material free of pill having at least 2 mm in shorter diameter comprising mixing dispersion medium and friction base comprising carbon fiber having weighted mean fiber length of at least 0.3 mm, binder and friction modifier to form a dispersion ranging in a solid content concentration of 0.5 to 50% by weight, filtering the dispersion, drying a filter cake and forming the cake.

Abstract: There is disclosed a frictionizing composition for imparting long-term anti-slip properties to the surface of a paper product comprising an aqueous sol of colloidal silica, glycerin, and at least one agent selected from the group consisting of N-methyl pyrrolidone, N,N-dimethyl acetoacetamide, urea, sorbitol, fructose and dextrose. The composition remains fluid, even after prolonged exposure to drying conditions, and thus is readily dispersible in water for easy cleanup of residue from apparatus and the work environment.

Abstract: A moisture absorbing and frictional grip enhancing composition is provided which combines powdered magnesium or calcium carbonate compound particulates and sawdust particulates in a weight percentage ratio approximating 50%-90% by weight of sawdust particulates to the overall composition of weight. The powdered magnesium or calcium carbonate compound particulates are mixed with the sawdust particulates in a dry state to form the overall moisture absorbing and frictional grip enhancing composition which has a spongy feel to the user and optimizes both moisture absorption and frictional gripping of an implement.

Abstract: Addition of xanthan gum to aqueous dispersions of colloidal silica containing non-skid compositions for improved spraying.

Abstract: The present invention relates to a friction material for use in manufacturing various friction bearing components such as brakes, clutches, couplings, transmission systems and the like. The composition of the friction material includes a base friction material and a metal sulfide-iron powder alloy mixture which is added to the base material and further mixed prior to compression molding the desired component.

Abstract: A raw material for producing ferrite dust for friction elements and a method of producing reduced ferrite dust, capable of using, as the raw material, various collected sludge and dust which are by-products obtained at iron factories. The sludge has solid components consisting essentially of 35 to 50% total Fe, no more than 2% metallic Fe, 1.0 to 8.0% SiO.sub.2, 0.3 to 2.5% MgO, 1.0 to 6.0% CaO, 1.0 to 5.0% Al.sub.2 O.sub.3, 20 to 40% fixed carbon, and 0.1 to 1.0% ZnO, said sludge having a grain size of 20 to 250 mesh, an apparent specific gravity of 1.2 to 2.0 g/cc, a real specific gravity of 3.3 to 4.3 g/cc, and a porosity of 40 to 65%. The collected dust consists essentially of 50 to 85% true Fe, 20 to 55% FeO, 30 to 55% Fe.sub.3 O.sub.4, 2 to 12% CaO, 1 to 5% SiO.sub.2, 1 to 3% MgO, 1 to 3% MnO, and no more than 1% fixed carbon, 50 to 85% total Fe, 2 to 12% CaO, 1 to 5% SiO.sub.2, 1 to 3% MgO, 1-3% MnO, and no more than 1% fixed carbon.

Abstract: A non-skid surface composition for paper and paperboard products which is easy to apply and to clean up, which is noncorrosive and nontoxic, and which increases the coefficient of friction on the surfaces of products coated with the composition is provided. The composition does not interfere with the ability to recycle the paper to which it has been coated. The non-skid surface composition is applied as an aqueous suspension of colloidal silica or alumina with glycerine to the surfaces of a paper product.

Abstract: Diatomaceous earth in the powder form, to be used 1 when applied as a surface application to provide traction for pedestrians traversing icy walkways; 2 as a means of providing escape traction for vehicles which are hopelessly stuck on an icy highway; and 3 to provide sustaining traction when a vehicle is in motion on icy-covered highways for a long distance, as a result of the property of diatomaceous earth powder to cling to the drive-wheel tires.

Abstract: An aerosol composition for producing a surface having an abrasive grit adhered thereto, which composition can be dispensed from a suitable aerosol container, said composition comprising abrasive grit, a binder solution which is suitable for affixing said grit onto the surface comprising a polymeric resin and an organic solvent which dissolves said resin, the resin being capable of adhering to said surface and to said grit, and a liquid propellant. The present invention also provides an aerosol means for producing a surface having an abrasive grit adhered thereto comprising an aerosol dispensing means and having contained therein the aforementioned aerosol composition.

Abstract: A frictional engagement apparatus which is small in size, high in torque, and long in endurance life and includes driven and driving plates. A frictional material is provided on one surface of each of the driven and driving plates, while a ceramic thin film composed of IV.sub.B, V.sub.B, or VI.sub.B family elements, such as titanium, in the periodic table of elements, Si, Al, and carbides, nitrides and oxides thereof, is formed on the other surface. The ceramic thin film includes a ceramic thin film intermediate layer formed on a surface of the respective plate, and a ceramic thin film layer formed on the intermediate layer.

Abstract: The present invention pertains to an article providing a hard surface of oriented particles for abrasive or wear-resistant applications which includes a plurality of synthetic single crystals of diamond or cubic boron nitride, or like materials, oriented in a formation so that their corresponding crystallographic directions of maximum hardness, i.e., maximum abrasive resistance, are aligned, whereby the group of crystals, which form a working surface, exhibits a common direction of maximum hardness across the surface, and to a method of making such an article.

Abstract: This invention relates to an abrasive-containing surface-finish composition, comprising: an effective amount of abrasive particulates to enhance the non-slip characteristics of said composition, said abrasive particulates having an average particle size of up to about 100 microns. The surface finish-composition can be water-based or oil-based. In one embodiment the surface-finish composition further comprises water, at least one acrylic polymer and at least one synthetic wax. Optional ingredients include one or more alkali-soluble resins, leveling agents, water-soluble solvents, plasticizers, defoaming agents, fragrance enhancers, biocides, and the like. These compositions are useful as anti-slip floor finishes.

Abstract: A friction lining comprising an inorganic silicate-containing binder without resin binder components, comprising a mixture of finely divided SiO.sub.2 (constituent a) and at least partially water-soluble silicates (constituent b). The mixture of constituent a and constituent b are cured in the presence of water at low temperatures, thereby forming a three-dimensional inorganic polysilicate matrix. Heterogeneous additive particles are incorporated into the three-dimensional inorganic polysilicate matrix during curing of the mixture at low temperatures, thereby forming a solid body with the additive particles serving as fillers, sliding agents, lubricants or coefficient of friction modifiers. These additive particles do not include resin binder forming agents.

Abstract: The non-asbestos, frictional material composition comprising a fibrous metal, carbon powder manufactured by sintering a mixture of coke and pitch, a hardening agent, a heat-resistant agent, and a filler for stabilizing the composition. The process for manufacturing the composition comprising manufacturing the fibrous metal and carbon powder, inserting the composition in a predetermined mold and molding the composition, and hardening the molded composition for a time.

Abstract: A slip-resistant composition and method is provided to render a floor or other walkway surface temporarily slip-resistant. The invention consists of a powdered carbonate and silicon dioxide mixture which will absorb liquids such as grease and water to render the area slip-resistant and provides a gritty walkway surface that feels slip-resistant to the walker. The invention is particularly useful in restaurants and other high traffic areas which are susceptible to multiple slippery floor areas during relatively short periods of peak activity. Examples are lunch and dinner rush when there is no time for cleaning small spills and laden grease on the floor. It can also help any business during rain, snow or other moisture periods to assist in making entrances slip-resistant.

Abstract: A solution for treatment of cement, glazed or porcelain surfaces to increase the coefficient of friction of that surface, whether dry or wet to greater than 0.6, preferably to about 0.8, wherein the solution comprises about 10% phosphoric acid, less than about 40 gms. of sodium bifluoride and a wetting agent in water.

Abstract: A platelike polycrystalline fiber having a composite phase which consists of potassium hexatitanate crystals and titanium dioxide crystals mixed therewith is prepared by heating a mixture of titanium compound and potassium compound to obtain a melt, cooling the melt to obtain a lump of fibers, treating the lump of fibers in an aqueous acid solution to control the potassium content of the fibers to 1 to 13.5 weight %, and heat-treating the resulting fibers at 900.degree. to 1300.degree. C.The composite fiber is suitable as fibers to be included in friction materials for slide members of automobiles and like brake devices.

Abstract: A moisture absorbing and frictional grid enhancing composition is provided which combines powdered magnesium silicate particulates and sawdust particulates in a weight percentage ratio approximating 50%-90% by weight of sawdust particulates to the overall composition weight. The powdered magnesium silicate particulates are mixed with the sawdust particulates in a dry state to form the overall moisture absorbing and frictional grip enhancing composition which has a spongy feel to the user and optimizes both moisture absorption and frictional gripping of an implement.