Bizarre Patents
Pillow with retractable umbrella
A pillow assembly having a supporting assembly and a retractable umbrella assembly that is easily transportable and allows a user to support his/her head while covering their face from sunlight.
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| Number | Title | Issue Date |
| 7331120 | Throughflow cylinder A throughflow cylinder made at least partly of fiber-reinforced plastic including glass fibers, aramide fibers, carbon fibers, and/or carbon-reinforced plastic (CRP). The matrix material of the fiber-reinforced plastic includes a material heat resistant at least up ... | 02/19/2008 |
| 7332033 | Doctor bed A doctor bed is provided for holding a circularly cylindrical metering rod, including a housing of a homogenous material, which is designed with a cross section at right angles to the cylinder longitudinal axis of the metering rod and has a circularly cylindrical re... | 02/19/2008 |
| 7315108 | Driving device A piezoelectric element expands and contracts when a pulse voltage is applied. A fixing body is fixed to one end of the piezoelectric element in an expansion-contraction direction. A driving shaft is fixed to the other end of the piezoelectric element in the expansi... | 01/01/2008 |
| 7244502 | Hybrid coating The present invention provides a composition for use in forming an abrasion-resistant easy-to-clean coating on a substrate. The composition according to the invention includes a mixture of a fluorocarbon polymer component and an enamel-forming component. The enamel-... | 07/17/2007 |
| 7150152 | Vibration limiter for coaxial shafts and compound turbocharger using same A compound turbocharger is provided, including at least one housing. A first turbocharger having an outer shaft is disposed within the housing, and a second turbocharger is provided having an inner shaft co-axial with and extending within the outer shaft. At least o... | 12/19/2006 |
| 7056589 | Plain bearing composite material The invention relates to a plain bearing composite material with a metallic base layer, optionally with a porous support layer applied thereto and a lead-free bearing layer, forming a bearing surface for a bearing partner with a bearing surface material made from pl... | 06/06/2006 |
| 7056590 | Plain bearing composite material The invention relates to a plain bearing composite material provided with a metallic support layer, optionally with a porous carrier layer applied thereto, and with a lead-free sliding layer, which forms a sliding partner and whose sliding layer material is based on... | 06/06/2006 |
| 7033529 | Plain bearing provided with a friction coating and method for making same A high-performance plain bearing provided with a friction coating including a bronze layer whereof the pores are filled with a PTFE-type fluoroplastic paste filled with molybdenum bisulphide. The production method includes sintering a layer of bronze powder on the m... | 04/25/2006 |
| 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 |
| 6943137 | Sliding member A first sliding member of the present invention is made of a composition comprising 10-50% by weight of carbon fibers and 2-30% by weight of a thermoplastic elastomer, the balance being substantially a polyphenylene sulfide resin, at least in a sliding surface porti... | 09/13/2005 |
| 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 |
| 6498127 | Composite sliding material Disclosed is a composite sliding material consisting of a back metal, a porous alloy layer which is formed on the surface of the back metal by sintering a copper alloy powder, and a resin layer which is formed so as to impregnate into and cover the porous... | 12/24/2002 |
| 6465089 | Sliding material In order to obtain a sliding material which does not include lead particles and is harmless to the environment, there is provided a sliding material which includes, by volume, 3 to 40% bismuth particles but no lead particles, while having a low coefficien... | 10/15/2002 |
| 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 |
| 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 |
| 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 |
| 5939363 | Rolling-contact bearing and method of forming film of lubricant A solid film of a fluorine-containing polyurethane polymer is formed on at least one of the constituent elements (inner and outer rings, rolling member and retainer) of a rolling-contact bearing. The molecules of the solid film of the fluorine-containing ... | 08/17/1999 |
| 5866518 | Self-lubricating composite containing chromium oxide A self lubricating, friction and wear reducing composite material useful over a wide temperature range of from cryogenic temperature up to about 900° C. contains 60-80 wt. % of particulate Cr2 O3, dispersed in a metal binder of a me... | 02/02/1999 |
| 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 |
| 5629082 | Multilayer material for sliding surface bearings A multilayer material for sliding surface bearings comprises a metal backing layer, a sintered porous bearing layer of a bearing metal, and a low-friction layer consisting of a mixture of PTFE and 5 to 30% by volume metal filler, and fills also the pores ... | 05/13/1997 |
| 5573846 | Polyfluorocarbon coated metal bearing A maintenance-free sliding bearing composed of a metal support and a layer which is directly applied thereto and which consists of a copolymer of ethylene-tetrafluoroethylene forming an intermediate layer to which a second sliding layer of plastics is app... | 11/12/1996 |
| 5447774 | Composite sliding member with high porosity sintering layer There is disclosed a composite slide member which suppresses the exposure of a porous metal layer even when the amount of cutting from a surface of the slide member increases, thereby enhancing an anti-seizing property without adversely affecting a rear r... | 09/05/1995 |
| 5433870 | Multilayered sliding member Disclosed herein is a multilayered sliding member comprising a lubricating composition comprising polytetrafluoroethylene and 1 to 40 wt % of (i) zinc oxide whiskers or (ii) zinc oxide whiskers and fibrous magnesium oxysulfate, fan-shaped magnesium oxysul... | 07/18/1995 |
| 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 |
| 5091098 | Sliding material and method of manufacturing the same A sliding material comprising a backing metal having a porous metal layer formed on the surface thereof and a composition for impregnation coating impregnated and coated to the pores and the surface thereof, wherein the composition for impregnation coatin... | 02/25/1992 |
| 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 |
| 4732818 | Composite bearing material with polymer filled metal matrix interlayer of distinct metal particle sizes and method of making same The present invention relates to a composite bearing material comprising three layers: (1) a metal backing, (2) a porous metal interlayer bonded to the metal backing which includes bronze or other copper alloy particles from two distinct particle size ran... | 03/22/1988 |
| 4728448 | Carbide/fluoride/silver self-lubricating composite A self-lubricating, friction and wear reducing composite material for use over a wide temperature spectrum from cryogenic temperature to about 900° C. in a chemically reactive environment comprising silver, barium fluoride/calcium fluoride eutectic, and ... | 03/01/1988 |
| 4657683 | Bearing material of polytetrafluroethylene incorporating a filler A cavitation erosion resistant and lubricated wear resistant plain bearing comprising a steel backing, a sintered bronze interlayer and a lining of PTFE filled with 1 to 50% by volume of a chemically stable hydroxide, preferably crystalline Al(OH).... | 04/14/1987 |
| 4655944 | Sliding and bearing material having superior wear resisting property A sliding and bearing material having a superior wear resisting property, consisting of: a backing metal; an intermediate layer joined to the backing metal; a porous metallic layer joined to the intermediate layer; and a substance with which the porous la... | 04/07/1987 |
| 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 |
| 4592782 | Composition of matter incorporating polyether ether ketone A plain bearing comprising a steel backing, a sintered bronze interlayer and a lining of a material consisting of polyether ether ketone, polytetrafluoroethylene, graphite and bronze.... | 06/03/1986 |
| 4575429 | Composite self lubricating bearings Improved composite bearings are provided employing cold forming and sintering techniques. Improvements in compositions for impregnating porous layers of composite bearings are provided comprising lead or lead alloy, perfluorinated polymer, particulate the... | 03/11/1986 |
| 4554084 | Sealing ring A sealing ring having at least one jacket face serving as slide face, the ring comprising pressed together fiber materials and slide materials, with the ring containing as a third component up to 10 parts by weight of such finely dispersed additives which... | 11/19/1985 |
| 4501676 | Polytetrafluoroethylene solid lubricant materials The wear-resistant properties of a material containing PTFE and lead are improved by the addition of starch or cellulose when the solid lubricant is supported by a substrate of steel or beryllium-copper. The carbohydrate may be partially pyrolized but mus... | 02/26/1985 |
| 4432883 | Seal with teflon or rubber A part is made of a material comprising less than 90% by weight of a polymer selected from the group consisting of polytetrafluoroethylene, polyurethane, nitrile, fluoroelastomer, and polyphenylene sulfide; and more than 10% by weight of another material,... | 02/21/1984 |
