A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.
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| Number | Title | Issue Date |
| 7030065 | Solid lubricant for lubricating rotary trunnion supported equipment A solid lubricant bar for use in high temperature environments, such as rotary kilns, comprising an organo phosphate, such as triphenyl phosphate, a solid lubricant selected from the group comprising graphite, molybdenum, boron, boron nitride, tungsten, polytetraflu... | 04/18/2006 |
| 6915574 | Method of manufacturing variable vane seal and washer materials A multi-layer seal and washer that provide a seal between a vane stem and a casing in a turbine engine are disclosed. The seal and washer are fabricated from materials such as Teflon fibers and glass fibers and are impregnated with a polyimide resin. The seal and wa... | 07/12/2005 |
| 6767870 | Solid lubricant for lubricating rotary trunnion supported equipment A solid lubricant bar for use in high temperature environments, such as rotary kilns, comprising an organo phosphate, such as triphenyl phosphate, a solid lubricant selected from the group comprising graphite, molybdenum, boron, boron nitride, tungsten, polytetraflu... | 07/27/2004 |
| 6734147 | Lubricant compositions and methods A process is disclosed for manufacturing a lubricant composition comprising combining a superabsorbent polymer with a material for decreasing friction between moving surfaces. The superabsorbent polymer absorbs from about 25 to greater than 100 times its weight in w... | 05/11/2004 |
| 6478894 | Rolling bearing At least any one of a bearing member (inner race, outer race and rolling element) is formed with a steel material containing 0.2 to 1.2 wt % of C, 0.7 to 1.5 wt % of Si, 0.5 to 1.5 wt % of Mo, 0.5 to 2.0 wt % of Cr, and 12 ppm or less of O. The bearing me... | 11/12/2002 |
| 6376061 | Composite multilayer material A composite multilayer material is described which exhibits relatively high wear and delamination resistance without impairment of the coefficient of friction in the presence of oil. The composite multilayer material contains at least one powder-form poly... | 04/23/2002 |
| 6342306 | Bearing material for porous hydrostatic gas bearing and porous hydrostatic gas bearing using the same A bearing material includes a backing metal and a porous sintered metal layer sintered onto a surface of the backing metal, particles of an inorganic substance being contained at grain boundaries of the porous sintered metal layer. The porous sintered met... | 01/29/2002 |
| 6303545 | Solid lubricants with a tin sulphide and carbon base The invention relates to tin sulfide- and carbon-based solid lubricants and solid lubricant combinations, methods for the production thereof as well as their use in friction liner mixtures and friction liners such as brake or clutch liners.... | 10/16/2001 |
| 6245718 | Composite material for antifriction workpieces A material having improved hardness characteristics and bearing, lower friction coefficient and increased service life in clusters of sliding friction contains powder of copper, iron, phosphorus, graphite, dust of disulphide of molybdenum and steel substr... | 06/12/2001 |
| 6162767 | Composite bearing with iron oxide additive Iron oxide functions as a wear- and cavitation-inhibiting additive in the plastic sliding layer(s) of composite bearings for oil-lubricated applications. The sliding layers predominantly consist of thermoplastic fluoropolymers. The addition of iron oxide ... | 12/19/2000 |
| 6093482 | Carbon-carbon composite for friction products and method of making same A carbon--carbon composite for friction products comprises an outer friction part and a load bearing structure part supporting the friction part. The friction part contains a mixture of carbon fibers, pitch powder and graphite powder, whereas the structur... | 07/25/2000 |
| 6025306 | Lubrication with boric acid additives Self-lubricating resin compositions including a boric acid additive and a synthetic polymer including those thermoset materials.... | 02/15/2000 |
| 6015775 | Self-lubricating sintered sliding material and method for manufacturing the same A self-lubricating sintered sliding member and its producing method, the member having excellent seizing resistance and wear resistance even in offset load and high load applications. The self-lubricating sintered sliding member is composed of an iron-family ... | 01/18/2000 |
| 5856278 | Friction material for use with al. alloy rotor A friction material especially for use in conjunction with aluminum alloy brake rotors containing silicon carbide particles contains 15 to 80% of a finely divided alumina abrasive, from 5 to 40% of cured organic binder, less than 5% metal in particulate f... | 01/05/1999 |
| 5821204 | Thrust bearing having sliding surface A thrust bearing having a sliding surface composed of a resin composition which comprises 10 to 45% by weight of a carbon fiber, 0.1 to 30% by weight of a polytetrafluoroethylene, 0.1 to 20% by weight of a graphite having an oil absorption of 70 to 500 ml... | 10/13/1998 |
| 5780396 | Sliding member A sliding member excellent in cavitation resistance and friction properties which has a sliding surface composed of a resin composition comprising a tetrafluoroethylene-perfluoroalkyl vinyl ether copolymer resin and a polytetrafluoroethylene having a mole... | 07/14/1998 |
| 5732322 | Resin composition for sliding member and sliding member The disclosure describes a resin composition for a sliding member, comprising 1 to 25 wt % of component A selected from the group consisting of phosphates and barium sulfate, 1 to 15 wt % of component B selected from the group consisting of magnesium sili... | 03/24/1998 |
| 5668091 | Lubricant for lubricating a tire for rotary trunnion supported equipment A lubrication block, with or without a cavity, or a lubrication bag, for lubricating an ID surface of a tire and an OD surface of a plurality of pads of rotary trunnion supported equipment, such as a kiln, cooler, dryer, reactor, granulator and ball mill ... | 09/16/1997 |
| 5614477 | Anti-friction additive and method for using same A mixture of graphite and diamond particles is suspended in a liquid. The mixture is applied between relatively moving metal surfaces. The diamond particles subsequently become embedded in the surface of the metal. The surface treatment and embedding by t... | 03/25/1997 |
| 5538649 | Carbon composite mateiral for tribological applications A composition of matter for use in tribological applications, such as in mechanical seals, bearings and other sliding or rubbing components, which provides good durability and wear characteristics. The material is used in the "softer" one of two relativel... | 07/23/1996 |
| 5525246 | Sliding-Bearing Material A sliding-bearing material having enhanced seizure resistance and fatigue resistance. The sliding-bearing material comprises an aluminum bearing alloy whose surface has been treated and a coating layer formed on the aluminum bearing alloy and consisting o... | 06/11/1996 |
| 5415791 | Lubricating composition and a sliding member comprising the composition Disclosed herein are a solid lubricating composition comprising a solid lubricant, a lubricating oil which is in a liquid or paste form at an ordinary temperature, a carrier for absorbing and possessing said lubricating oil, and a thermosetting synthetic ... | 05/16/1995 |
| 5158695 | Diamond-based antifriction material Antifriction material includes sintered intermetallides of copper with zinc and tin, and ultradispersed diamond powder having grain size below 0.1 micrometer.... | 10/27/1992 |
| 4915856 | Solid lubricant composition A solid lubricating composition useful for lubricating the flanges of railcar wheels and rails and for other similar applications. The lubricant composition comprises from about 16% to about 25% by weight of a polymeric carrier, from about 49% to about 63... | 04/10/1990 |
| 4892669 | Composition based on polytetrafluoroethylene suited for obtaining a self-lubricating layer on porous bronze bearings A composition based on PTFE, in the form of a paste, obtained by mixing together a PTFE powder, with mineral fillers, selected from PbO, Pb powder, aluiminum silicates, graphite, MoS2, a resin of high adhesive properties, in particular an epxoy... | 01/09/1990 |
| 4798771 | Bearings and other support members made of intercalated graphite A bearing or other support member containing intercalated graphite exhibits many of the properties of a metal (ie: conductivity, luster, ductility) while enhancing the lubricating properties of pure graphite. The bearings are made by pressing an intercala... | 01/17/1989 |
| 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 |
| 4623590 | Composite material, especially for plain bearings A composite bearing material for use in plain bearings, i.e., bearings without rolling elements, has a thermoplastic matrix which is reinforced by short fibers having a modulus of elasticity above 50 MPa and can contain friction-reducing particles as well... | 11/18/1986 |
| 4545913 | Plain bearings A plain bearing of the trimetal type wherein the antifriction layer is of an alloy with a Pb-Sn-Cu base, having a copper content from 2 to 6% by weight, a tin content from 8 to 13% by weight and the remainder being lead, the said alloy being added with an... | 10/08/1985 |
| 4329238 | Antifriction paste and solid antifriction coating prepared from same An antifriction paste containing epoxy resin, molybdenum disulphide, graphite, aluminum, copper, alumosilicate and polyethylenepolyamine, the components being used in the following proportions (in parts by weight): epoxy resin: 40-80 molybdenum disulphide: 15-... | 05/11/1982 |
| 4294712 | Self-lubricating bearing A self-lubricating bearing comprising a molded composite material prepared by blending lubricating oil, polynorbornene type resin and/or expanded graphite, and a main bearing material comprising a self-lubricating and abrasive resistant synthetic resin. M... | 10/13/1981 |
| 4096075 | Self-lubricated solid materials A self-lubricated solid material comprising a metallic matrix having a lubricated surface, a plurality of circular cavities provided in the lubricating surface of the metallic matrix, a solid lubricant embedded in each of the circular cavities, and the ci... | 06/20/1978 |
| 4076634 | Composition for antifriction material The proposed composition contains from 5 to 98 parts by weight of polyphenylquinoxaline, from 1 to 94 parts by weight of an antifriction filler, from 0 to 40 parts by weight of a reinforcing filler, and from 0.1 to 10 parts by weight of a modifying dopant... | 02/28/1978 |
| 4045400 | Antifriction self-lubricating material An antifriction self-lubricating material comprising fusible polyimides or polyphenylquinoxalines taken in a quantity of from 5 to 95 percent by weight of the antifriction material, and a filler of molybdenum disulphide modified with phosphorus-containing... | 08/30/1977 |
| 4000981 | Sintered self-lubricating article A sintered self-lubricating article having great oxidation resistance, high dimension-stability and high wear resistance at elevated temperatures without assistance of any other lubricants and consisting essentially of 5 to 10% by weight of tin, 8 to 40% ... | 01/04/1977 |