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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 |
| 8137482 | Carburization heat treatment method and method of use Disclosed is a carburization heat treatment method including carburizing a workpiece at a relatively low temperature within a temperature range of A1˜A3 using a vacuum carburizing furnace and then performing quenching using a high-pressure gas... | 03/20/2012 |
| 8118949 | Copper precipitate carburized steels and related method A carburized and tempered hardened steel structure includes an iron based steel alloy including from about 3.7 to about 6 wt % copper, from 6 to about 10 wt % cobalt and from about 1 to about 10 wt % of non-ferrous secondary carbide formation elements selected from ... | 02/21/2012 |
| 8114224 | Process for the production of an articulated structural part having improved wear resistance An articulated structural part includes a peripheral zone. The peripheral zone includes a surface, an outermost layer situated immediately adjacent the surface, a further layer situated adjacent the outermost layer and a core situated adjacent the further layer, whe... | 02/14/2012 |
| 7998282 | Heat treatment method of steel components, steel components and manufacture method of steel components A method of heat-treating a steel member including carburizing a steel member in a carburizing gas under a reduced pressure. The steel member is then cooled in a cooling gas having a pressure lower than atmospheric pressure. A desired portion of the cooled steel mem... | 08/16/2011 |
| 7468107 | Carburizing method The present invention provides a carburizing method that involves heating a steel component quickly to a relatively high carburizing temperature (e.g. 1900 degrees F. and above), contacting the component at the relatively high carburizing temperature with a methane-... | 12/23/2008 |
| 7419553 | Fuel injection valve for internal combustion engines and a method for hardening the said valve A fuel injection valve for internal combustion engines, having a valve body and at least one injection opening embodied in it, through which opening, controlled by a valve needle that cooperates with a valve seat embodied in the valve body, fuel can be injected into... | 09/02/2008 |
| 7396423 | Method for manufacturing steel plate having superior toughness in weld heat-affected zone A welding structural steel product exhibiting a superior heat affected zone toughness, comprising, in terms of percent by weight, 0.03 to 0.17% C, 0.01 to 0.5% Si, 0.4 to 2.0% Mn, 0.005 to 0.2% Ti, 0.0005 to 0.1% Al, 0.008 to 0.030% N, 0.0003 to 0.01% B, 0.001 to 0.... | 07/08/2008 |
| 7357060 | Vehicle armor A vehicle is armored the steps of sequentially making a steel plate with a thickness of 4 mm to 15 mm of by weight | 04/15/2008 |
| 7249638 | Impact wrench anvil and method of forming an impact wrench anvil An anvil adapted to be received within an impact wrench comprises a round body and a square head. The square head is formed at an end of the round body. A tapered ramp extends from the round body to the square head. A radius is formed in the tapered ramp. ... | 07/31/2007 |
| 7207933 | Carburized roller member made of high carbon chromium steel A roller member comprising high carbon chromium bearing steel having a carburization treatment. The bearing steel comprising a surface portion defined as a range between a surface of a rolling face of the roller member to a depth where a maximum shearing stress acts... | 04/24/2007 |
| 7185619 | Rocker arm and method of manufacturing the same A rocker arm 1 made of sheet metal is formed so that Vickers hardness Hv of the surface layer portion 9a of the valve stem receiver 9 is set at Hv 650 to 800 and a quantity of the retained austenite γR is set at 25 ... | 03/06/2007 |
| 7169238 | Carbide method and article for hard finishing resulting in improved wear resistance An article and method for forming an article having a hard-finished surface including a predetermined density of carbides to improve pitting and wear resistance and to significantly increase the overall life of the article. This method comprises selecting a carburiz... | 01/30/2007 |
| 7122086 | Rolling support device and method for manufacturing the same A rolling support device excellent in both of the characteristics of durability and corrosion resistance is provided. The inner ring (1) and the outer ring (2) comprises an austenitic stainless steel and has, on a raceway surface, a carburizing hardene... | 10/17/2006 |
| 7118634 | Low-pressure cementation method The invention relates to a low-pressure carburising method comprising alternating low-pressure enrichment steps and diffusion steps in the presence of a neutral gas. During the enrichment steps, an enriching gas and neutral gas mixture is used, the proportion of the... | 10/10/2006 |
| 7112248 | Vacuum carbo-nitriding method A vacuum carbonitriding method includes: performing a vacuum carburizing process on an object to be treated (a workpiece) in a heat treating furnace under reduced pressures by supplying a carburizing gas into the furnace that has been heated to a predetermined carbu... | 09/26/2006 |
| 7029540 | Method of gas carburizing In a first process of a method of gas carburizing, a steel treatment object in a carburizing atmosphere containing carburizing gas is heated to an initial set temperature which is not higher than a peritectic point at which δ iron and a liquid phase transform into ... | 04/18/2006 |
| 6982120 | Hardened steel components and process of treating the same The invention relates to components made of steel, more particularly outer joint parts and inner joint parts of constant velocity joints, and to a process of heat treating such components made of steel. The heat treatment operation includes the process stages of nit... | 01/03/2006 |
| 6966954 | Spall propagation properties of case-hardened M50 and M50NiL bearings A roller bearing that provides ball and roller bearing elements comprised of M50 steel and M50NiL steel having surface hardnesses above 60 HRC, and in the range of 65-72 HRC. The hardness in the surface region is achieved by nitriding the surface to achieve a high h... | 11/22/2005 |
| 6942739 | Reactive heat treatment to form pearlite from an iron containing article The present invention is directed to a process for producing pearlite from an iron containing article comprising the steps of, (a) heating an iron containing article comprising at least 50 wt % iron for a time and at a temperature sufficient to convert at least a po... | 09/13/2005 |
| 6858096 | Rolling element for a continuously variable transmission (CVT), a CVT using the rolling element and a method for producing the rolling element A rolling element for a continuously variable transmission, including a plurality of rolling members having rolling contact portions that come into rolling contact with each other via lubricating oil. At least one of the rolling contact portions includes an outer su... | 02/22/2005 |
| 6800144 | Process for producing retainer for constant velocity joint possessing improved machinability and flexural strength Disclosed is a process for producing a retainer for a constant velocity joint for automobiles or the like, which has improved flexural strength properties without sacrificing the machinability, using a steel corresponding to SCr 415 (JIS) or SCM 415 (JIS). This prod... | 10/05/2004 |
| 6790295 | Method of improving sliding surfaces in anti-seizure property A method of improving wear-resistance and anti-seizing properties of slide surface of machineries, such as outer slide surfaces of piston pins of vehicle engines, wherein slide surfaces of iron or steel base materials of machineries are first processed carburizing, ... | 09/14/2004 |
| 6699333 | Case hardened steel with high tempering temperature, method for obtaining same and parts formed with said steel The invention discloses a carburizing steel composition comprising, by weight: 0.06% to 0.18% of C; 0.5% to 1.5% of Si; 0.2% to 1.5% of Cr; 1% to 3.5% of Ni; 1.1% to 3.5% of Mo; and, if appropriate: at most 1.6% of Mn; and/or at most... | 03/02/2004 |
| 6641680 | Process for producing inner race for constant velocity joint having improved workability and strength Disclosed is a process for producing an inner race for a constant velocity joint comprising the steps of: providing a steel comprising by weight carbon 0.10 to 0.25%, silicon 0.03 to 0.15%, manganese 0.20 to 0.60%, sulfur 0.003 to 0.030%, chromium 1.00 to... | 11/04/2003 |
| 6464801 | Advanced case carburizing secondary hardening steels Steel alloys susceptible to case and core hardening comprising 0.05 to 0.24 weight percent carbon; 15 to 28 weight percent cobalt and 1.5 to 9.5 weight percent in nickel, small percentages of one or more additives: chromium, molybdenum, and vanadium; and ... | 10/15/2002 |
| 6451137 | Method of quenching after a low-pressure carburization A method for quenching steel parts having undergone a low-pressure thermal processing, which consists of submitting the parts to a high-pressure air flow.... | 09/17/2002 |
| 6447619 | High surface pressure resistant steel parts and methods of producing same High surface pressure resistant steel parts and their producing methods are disclosed. These steel parts are useful as gears, cams, bearings and similar high-strength compact steel articles which are required to have wear resistance and strength to withst... | 09/10/2002 |
| 6312529 | Steel compositions and methods of processing for producing cold-formed and carburized components with fine-grained microstructures Steel compositions and processes are described that provide optimum resistance to austenite grain coarsening in cold-formed and carburized components for automotive and machine structural applications. The steel compositions include, in weight percent, 0.... | 11/06/2001 |
| 6309475 | Rolling element and producing method For easily producing a toothed material for high-strength gears etc. with a plastic working technique, deformation resistance occurring in plastic working is reduced and stable high precision plastic working is enabled at lower temperatures. One or more t... | 10/30/2001 |
| 6306227 | Rolling bearing In a rolling bearing having a rolling bearing ring and a rolling element of at least 20 mm in diameter, at least one of the rolling bearing ring and the rolling element consists of carburized or carbonitrided steel containing at least 0.2 wt % and not mor... | 10/23/2001 |
| 6302971 | Process for making moveable pulley half A pulley useable with a driving belt in a continuously variable transmission, including a moveable pulley half having an integral cylinder portion integrally formed therewith by plastic working. The moveable pulley half includes an axially extending hollo... | 10/16/2001 |
| 6258179 | Carburized parts, method for producing same and carburizing system A carburizing method is described which is capable of dispersing cementite grains in the surface of steel uniformly and finely as not to affect fatigue strength and capable of fining the crystal grains of austenite. To prevent cementite precipitation duri... | 07/10/2001 |
| 6251197 | Rolling or sliding parts A rolling or sliding part is produced from a blank of steel material subjected to a heat treatment including carburization and thereby made to contain a spheroidal carbide precipitated and dispersed in a carburized layer matrix. The particle-to-particle d... | 06/26/2001 |
| 6153030 | Method for the manufacture of hollow shafts A method for the production of hollow shafts from welded or seamlessly produced steel tubes having a maximum carbon content of 0.35% includes (1) carburizing a tube to a carbon content greater than 0.5%; (2) slowly cooling the carburized steel tube down f... | 11/28/2000 |
| 6149734 | Method for heat treatment of steel A method for the heat treatment of steel, comprising carburization hardening said steel, to form carburized steel, followed by a second hardening, reduces the grain size of steel while precipitating carbonitrides inside the grains of steel, thereby increa... | 11/21/2000 |
| 6145185 | Method for forming a connecting pipe of a high pressure connector for fluid A method for forming a pipe includes providing a tubular workpiece having an upper portion and a lower portion; forming a tapered hole in the inner wall of the upper portion of the workpiece and forming an annular shoulder on the outer wall of the upper p... | 11/14/2000 |
| 6146472 | Method of making case-carburized steel components with improved core toughness A steel composition and method of processing have been developed that provide good grain coarsening resistance and optimum toughness after austenitizing at high temperatures for extended periods of time. The composition comprises, in % by weight, about: 0... | 11/14/2000 |
| 6126897 | Carburizing steel and steel products manufactured making use of the carburizing steel A carburizing steel having the following chemical composition: C: 0.1 to 0.25%, Si: 0.2 to 0.4%, Mn: 0.3 to 0.9%, P: 0.02% or less, S: 0.001 to 0.15%, Cr: 0.5 to 0.9%, Mo: 0.15 to 1%, Al: 0.01 to 0.1%, B: 0.0005 to 0.009%, N: less than 0.006%, and the balance of Fe and ... | 10/03/2000 |
| 6074324 | Toroidal type continuously variable transmission Improved input and output discs for toroidal type continuously variable transmissions are obtained by select processing techniques to form hardened layers. Processing techniques include, e.g., carburizing, carbonitriding, and high-frequency induction hard... | 06/13/2000 |
| 6051080 | Rolling element used for toroidal-type continuously variable transmission and method for producing same The invention relates to a power roller used for a toroidal-type continuously variable transmission. This power roller has on its first side a groove for receiving a bearing, and the surface of the groove (bearing surface) has a carbon concentration which... | 04/18/2000 |
