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A forehead support apparatus for resting a standing users forehead against a wall above a bathroom commode or urinal or beneath a showerhead.
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| Number | Title | Issue Date |
| 7879169 | Method for producing ceramic compact A method for producing a ceramic compact includes a laminate-preparing step of preparing an unfired laminate including a base layer including a ceramic powder and a glass material and a constraining layer that is in contact with at least one principal surface of the... | 02/01/2011 |
| 7416061 | Brake member and bonding method In a brake member having a brake lining bonded to a brake shoe, the brake shoe has a chemical conversion coating provided on the surface thereof and a ceramics coating layer provided on the chemical conversion coating which has been formed by dipping in a ceramics p... | 08/26/2008 |
| 7357697 | Superhard material article of manufacture The invention relates to abrasive water jet systems comprising an abrasive water jet mixing tube having a longitudinal bore lined with a superhard material, including such systems which use cubic boron carbide (CBN), diamond, or other materials with a hardness great... | 04/15/2008 |
| 7252795 | High thermal conductivite element, method for manufacturing same, and heat radiating system It is an object of the present invention to provide a high thermal conductive element that has improved thermal conductivity in the layer direction while retaining the high thermal conductivity characteristics in the planar direction possessed by graphite. The prese... | 08/07/2007 |
| 7219776 | Friction disc and process for producing the same A friction disc, in particular a brake or clutch disc, includes carbon fiber-reinforced ceramic composite material with at least one top surface formed as a friction surface. At least part of the friction surface is formed of a different material, in particular of a... | 05/22/2007 |
| 7067077 | Process for manufacturing friction material suitable for use as brake lining Carbon-silicon carbide brake preforms are manufactured by carbonizing a blend of carbon (e.g., polyacrylonitrile) fibers and thermosetting pitch resin, optionally along with a lubricant such as graphite,.to provide an intermediate product having open porosity and su... | 06/27/2006 |
| 7052632 | Making a needled fiber preform for fabricating a composite material part A fiber preform constituting fiber reinforcement of a composite material part that is to be fabricated is made by superposing and bonding together fiber plies, and by densifying the needled preform by introducing a material constituting the matrix of the composite m... | 05/30/2006 |
| 7022629 | Print through elimination in fiber reinforced matrix composite mirrors and method of construction A fiber reinforced matrix composite mirror that eliminates the problem of “print through”. A layer of small unbundled fibers in the matrix diffuses and randomize any stresses that are created by the weave pattern of the fiber reinforcement so that the coarse tex... | 04/04/2006 |
| 6908660 | Shaped body made of fiber-reinforced composites having a segmented covering layer, its production and its use The present invention relates to shaped bodies made of fiber-reinforced ceramic composites and comprising a core zone and at least one covering layer which has a coefficient of thermal expansion which is higher than that of the core zone. The covering layer is an Si... | 06/21/2005 |
| 6797094 | Process for the production of a braking band with venting passages and braking band obtained with said process The present invention relates to a process for the production of a braking band for a brake disk with venting passages and to a braking band which can be produced by the process. The process comprises the following steps: molding a core (200) of the br... | 09/28/2004 |
| 6657129 | Method and device for fixing a ceramic component in a metallic support A device for fixing a ceramic component in a metallic support is provided. The device includes a bush, which is produced from gray cast iron with lamellar graphite, arranged at those locations of the ceramic component where the ceramic component is fixed ... | 12/02/2003 |
| 6531011 | Brake unit having a nonmetallic brake disc of ceramic and a hub of a different material A brake unit having a brake disc of ceramic and a hub of a different material, which radially overlap one another with their mutually facing rims and are mechanically joined by a wreath-type rim of mounting bolts that axially penetrate the overlapping rim... | 03/11/2003 |
| 6436221 | Method of improving field emission efficiency for fabricating carbon nanotube field emitters A method of CNT field emission current density improvement performed by a taping process is disclosed. The method comprises following steps. First of all, a conductive pattern coated on a substrate by screen-printing a conductive slurry containing silver ... | 08/20/2002 |
| 6206992 | Method for manufacturing fibrous ceramic by a room temperature extrusion process and a method for manufacturing fibrous monolithic ceramics using the same A fibrous ceramics fabrication method using a room extrusion process and a fibrous monolithic ceramics fabrication method using thereof is disclosed. The method includes the steps of obtaining a extrusion-purpose slurry by evenly mixing a hydrophilic cell... | 03/27/2001 |
| 5972157 | Joining of rough carbon-carbon composites with high joint strength Carbon--carbon composite parts are joined with minimum surface preparation. A reactive-bonding joint interlayer having thickness greater than 1 mil is formed of fine particles of carbide-forming metallic ingredients and carbon. The joint interlayer is san... | 10/26/1999 |
| 5942064 | Process for permanently joining at least two structural components together to form a molded body A process is provided for permanently joining at least two structural components together to form a molded body, in which a carbon-containing paste is introduced between the structural components to be joined and heated to form a carbon skeleton. This ske... | 08/24/1999 |
| 5902429 | Method of manufacturing intermetallic/ceramic/metal composites Novel processes are provided for the production of porous ceramic preforms, metal activated porous ceramic preforms and intermetallic/ceramic/metal composites. These products are all manufactured using processes which are based on tape casting techniques.... | 05/11/1999 |
| 5876537 | Method of making a continuous ceramic fiber composite hot gas filter A ceramic fiber composite structure particularly suitable for use as a hot gas cleanup ceramic fiber composite filter and method of making same from ceramic composite material has a structure which provides for increased strength and toughness in high tem... | 03/02/1999 |
| 5868885 | Manufacture of cutting tools A method for manufacturing cutting tools having diamond-like cutting edges or surfaces which are formed by bonding high shear compaction diamond or cubic boron nitride (CBN) ropes or strips in helical grooves formed on the cutting tool outer surface. The ... | 02/09/1999 |
| 5865922 | Producing fiber reinforced composites having dense ceramic matrices A fiber preform is partially infiltrated with a ceramic material. A porous solid polymer is formed by reaction forming the infiltrated preform which is then pyrolized. Microporous carbon in the composite matrix is converted into silicon carbide.... | 02/02/1999 |
| 5687634 | Method for making a carbon-carbon cylinder block A method for making a lightweight cylinder block composed of carbon--carbon is disclosed. The use of carbon--carbon over conventional materials, such as cast iron or aluminum, reduces the weight of the cylinder block and improves thermal efficiency of the... | 11/18/1997 |
| 5685986 | Adsorbent body including activated carbon and inorganic binder for bonding together activated carbon grains, and method of producing the adsorbent body An adsorbent body having a porous structure for purifying a fluid, wherein the porous structure comprises activated carbon, and an inorganic binder for bonding together grains of the activated carbon. The porous structure optionally comprises activated al... | 11/11/1997 |
| 5624756 | Diamond-based ultra-high-pressure-sintered material having excellent chipping resistance, cutting tool made therefrom, and method of manufacturing the cutting tool A cutting tool blank formed of material having a composition comprising of 0.1 to 20 wt % of BaCO3 and/or MgCO3, and/or 0.05 to 10 wt % of CaMg(CO3)2 or CaCO3, the balance being preferably substantially diamond ... | 04/29/1997 |
| 5565052 | Method for the production of a reflector In order to produce lightweight mirror structures or other reflecting components, preformed silicon elements of sufficient wall thickness are applied to a CFC or CMC substrate structure with the dimensions of the component to be produced, at a temperature... | 10/15/1996 |
| 5505805 | Method for the production of reflectors For the production of lightweight reflectors or mirror structures, metallic silicon of sufficient thickness is applied to a CFC or CMC substrate preform structure having the dimensions of the component to be produced by a heat treatment process, in partic... | 04/09/1996 |
| 5407504 | Method for joining ceramic to ceramic or to carbon A method for joining sections of densified ceramics, and ceramics to carbon omprising the steps of: placing a preceramic polymer between bodies of the materials to be joined, applying mechanical force thereto, and heating to a temperature sufficient to con... | 04/18/1995 |
| 5407503 | Process for producing silicon carbide nozzle A tube is formed from a polycrystalline silicon carbide having a density of from 3.18 to 3.21 g/cm3, a maximum impurity content of 20 ppm, and imperviousness to fluids by a process which comprises precipitating the silicon carbide on the surfac... | 04/18/1995 |
| 5244720 | Fiber-reinforced glass composite for protecting polymeric substrates A protective layer for polymeric composite substrates comprises a fiber-reinforced glass composite having a refractory fiber in a matrix of a black glass ceramic having the empirical formula SiCxOy where x ranges from about 0.5 to about 2.0, preferably 0.... | 09/14/1993 |
| 5223064 | Method of making laminated hybrid ceramic matrix composites A method for producing a laminated ceramic composite article with improved transverse and interlaminer shear strength. The method includes the steps of forming a laminated preform by interlaminating toughened green ceramic matrix layers which include a ra... | 06/29/1993 |
| 5214004 | Ceramic fiber reinforced glass-ceramic matrix composite A slurry of BSAS glass powders is cast into tapes which are cut to predetermined sizes. Mats of continuous CVD-SiC fibers are alternately stacked with these matrix tapes. This tape-mat stack is warm-pressed to produce a "green" composite which is heated t... | 05/25/1993 |
| 5211786 | Use of permeable materials to improve hot pressing process The present invention overcomes the problems caused by certain intergranular phases present during hot pressing. The invention provides a method of removing such problematic intergranular phases while avoiding problems of non-uniformity. In one aspect, th... | 05/18/1993 |
| 5176788 | Method of joining diamond structures A process for bonding two diamond surfaces together by (1) forming a layer of opaque nondiamond carbon material between the two mond surfaces; (2) pressing the diamond surfaces together with the opaque nondiamond material sandwiched between the diamond surfac... | 01/05/1993 |
| 5139594 | Method for joining ceramic shapes A method for joining shapes of ceramic materials together to form a unitary ceramic structure. In the method of the invention, a mixture of two or more chemical components which will react exothermically is placed between the surfaces to be joined, and th... | 08/18/1992 |
| 5092948 | Fiber reinforced laminated ceramic composites and method thereof The present invention relates to an article having improved physical properties as compared to the individual components, which article comprises: a laminated ceramic fiber composite of alternating layers of discrete thin solid sheets of ceramic A having ... | 03/03/1992 |
| 5091025 | Process for making a graphite film A process for making an artificial graphite film from a graphitizable polymer is described. In the process, a starting polymer film having a defined thickness is thermally treated at a temperature of not lower than 2400° C. in an inert gas to graphitize ... | 02/25/1992 |
| 5053093 | Process for producing sliding bodies containing hollow chambers In a process for producing ceramic sliding bodies containing hollow chambers from a green solid parent body and a green film body containing hollow chambers, the green film body and the green solid parent body are laminated together, the organic constitue... | 10/01/1991 |
| 5024710 | Process of applying a specular surface finish to a carbon-carbon substrate A novel method is disclosed for producing specular surfaces, composed of pure carbon, on carbon-carbon composites of arbitrary weave configuration. The method utilizes a thin sheet of fine grained polycrystalline graphite as a stress-isolating interlayer ... | 06/18/1991 |
| 5021107 | Process for joining or coating carbon-carbon composite components A process for joining or coating carbon-carbon composite components. For joining such components, surfaces of two components are prepared so that they match. An interlayer comprised of a material having a melting point in excess of 2500° F. is sandwiched... | 06/04/1991 |
| 4944996 | Separating element The invention relates to a support intended to receive a mineral membrane for separation procedures, and processes for the production thereof. The support is formed by a carbon-carbon composite material of small thickness, which is mechanically strong and... | 07/31/1990 |
| 4909872 | Process for making a fiber reinforced composite article A process for making a fiber reinforced glass matrix composite article is disclosed. Monofilament fiber is wound on a mandrel to form a monofilament fiber layer and the monofilament fiber layer is coated a binder to form a monofilament fiber tape. Yarn fi... | 03/20/1990 |
