...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7338987 | Friction material composition and friction material using the same There are disclosed a friction material composition which comprises a fibrous material except for asbestos, an inorganic friction regulator, an organic friction regulator and a binder, part of the inorganic friction regulator is α alumina and γ alumina in combinat... | 03/04/2008 |
| 7326741 | Friction material In a friction material, columnar or scaly non-whisker-like alkali metal titanate or non-whisker-like alkali metal•alkaline-earth metal titanate having an average particle diameter in the range of 0.1 to 100 μm and an aspect ratio of 3 or less and an inorganic por... | 02/05/2008 |
| 7326742 | Wet type friction material The present invention provides a wet type friction material comprising a paper base material and binder, in which the paper base material includes silica having an average particle diameter of 1 to 10 μm and disc-shaped diatom earth, and the binder comprises a cure... | 02/05/2008 |
| 7309725 | Fiber base material for wet friction material A fibrous base material giving a wet frictional material used for clutch, differential gear, brake, etc. of cars, industrial machines, etc. having an excellent durability where plastic deformation of fiber and deterioration by acidic decomposition products of lubric... | 12/18/2007 |
| 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 |
| 7261846 | Fiber-reinforced ceramic brake linings A ceramic brake lining which is reinforced with carbon fibers and has a matrix which consists essentially of silicon carbide together with silicon and/or carbon, wherein the reinforcing fibers used are long fibers having a mean length of at least 10 mm which are ali... | 08/28/2007 |
| 7179850 | Friction materials containing tin oxides A friction material matrix is described, containing a tin oxide, such as but not limited to stannous oxide or stannic oxide, and a binder system, the binder system physically or chemically binding the tin oxide. The tin oxide is preferably present in an amount in th... | 02/20/2007 |
| 7172719 | High purity sealing material Elastomeric sealing elements such as gaskets, O-rings and diaphragms suitable for use as seals in ultra-pure water systems are fabricated from foamed PVDF by compressing foam blanks up to a 5:1 to 7:1 ratio in a heat environment of about 300° F. to about 350° F. T... | 02/06/2007 |
| 7160378 | Modified friction control compositions The present invention provides a friction control composition comprising a binder a rheological control agent, and optionally a lubricant. The liquid friction control composition may also comprise other components a wetting agent, a consistency modifier, and a prese... | 01/09/2007 |
| 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 |
| 6753374 | Rubber compositions and method for increasing the Mooney Scorch value A rubber composition is disclosed wherein the rubber composition contains at least (a) a rubber component; (b) a silica filler; and, (c) at least one thiuram disulfide accelerator, it being provided that diphenyl guanidine is substantially absent in the rubber compo... | 06/22/2004 |
| 6670408 | Friction material A friction material comprises a fibrous reinforcement, a friction modifier and a binder. At least potassium hexatitanate fiber and potassium octatitanate fiber are used together as the fibrous reinforcement and mixed at a ratio in a range between 2 wt % a... | 12/30/2003 |
| 6660355 | Wear resistant articles An annular body, and method of making same, comprising at least one wear surface portion, the portion comprising a plurality of layers held in a matrix, each layer consisting essentially of fibres which extend generally in one direction and parallel to ea... | 12/09/2003 |
| 6620860 | Friction material A friction material suitable for mating with a disk rotor or drum consisting mainly of an aluminum alloy reinforced by a hard material. The friction material suppresses the generation of a scoring on the disk rotor or drum. It also suppresses the change i... | 09/16/2003 |
| 6586373 | Wet friction material A wet friction material comprises a fiber base material, a filler and a binder: wherein the filler contains a disc-shaped diatomaceous earth; wherein the filler contains at least one of a filler having Mohs hardness of 8 to 9.5 and a diatomaceous earth an... | 07/01/2003 |
| 6497307 | Friction surface coating for a friction material of a brake system A friction surface coating (200) for a friction material of a brake system, especially for a motor vehicle, a truck, a rail vehicle or an aircraft, is composed of 0-30% in weight phenolic resin, 5-95% in weight aluminum oxide, 0-20% in weight silicium oxi... | 12/24/2002 |
| 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 |
| 6455145 | Friction member This invention intends to provide a friction member which is high in an anti-fading character and low in mate attacking character. For such purpose, in a friction member composed of a fiber containing substrate, a bonding agent and a filling agent, an acc... | 09/24/2002 |
| 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 |
| 6194059 | Process for producing two-ply friction material The present invention relates to a two-ply fibrous base material comprising a primary layer having elastic and oil absorbent characteristics bonded to a secondary layer having high temperature resistance and high strength characteristics. The two-ply fibr... | 02/27/2001 |
| 6130283 | Aluminum hydroxide, method for producing the same, and method of use of the same Aluminum hydroxide is disclosed, wherein a mean particle size of a secondary particle is from 0.1 to 8 μm, a BET specific surface area is not less than about 30 m2 /g and a pore size distribution has a maximum value within the range from 5 to ... | 10/10/2000 |
| 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 |
| 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 |
| 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 |
| 5965658 | Carbonaceous friction materials The instant invention provides a non-asbestos friction material and method of making therefor having from about 2 to 20 wt % of carbonaceous fibers. The remainder of the friction material is an auxiliary material and a thermosetting resin. The carbonaceou... | 10/12/1999 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 5516816 | Friction composition and friction element fabricated therefrom This invention relates to a friction composition comprising oxidized or phoisphotized metal fibers and to friction elements fabricated therefrom.... | 05/14/1996 |
| 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 |
| 5376700 | Rubber composition A rubber composition in which highly hard particles formed with a rubber-philic coating layer by a fluidized coating treatment are dispersed in a rubber material.... | 12/27/1994 |
| 5360842 | Non-asbestos friction material A non-asbestos friction material containing friction dust comprising a composite of inorganic compound with polymerization product of cashew nut shell oil is disclosed. The material is used for the brake lining, disc pad and clutch facing for cars and ind... | 11/01/1994 |
| 5344854 | Friction material for brake A friction material for a brake obtained by a process which comprises preparing (I) a composition for a friction material from (A) a binder composition comprising 95-5 parts by weight of a cyanate ester resin and 5-95 parts by weight of a polycyclic aromatic p... | 09/06/1994 |
| 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 |
| 5290627 | Friction material for operating in oil A friction material for operating in oil containing 5 to 70 wt. % of fibrillated ramie fibers with a freeness of 400 to 700 ml and a friction material for operating in oil further containing cotton pulp and/or aramid fibers in addition to said fibrillated... | 03/01/1994 |