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User-operated amusement apparatus for kicking the user's buttocks
An apparatus including a user-operated and controlled apparatus for self-infliction of repetitive blows to the user's buttocks by a plurality of elongated arms bearing flexible extensions that rotate under the user's control.
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| Number | Title | Issue Date |
| 7276204 | Carburization treatment method and carburization treatment apparatus The invention provides a carburization treatment method in which a carburization treatment is conducted simultaneously with an operation of supplying a hydrocarbon gas and an oxidative gas into a furnace kept under a reduced pressure. Preferably, the internal pressu... | 10/02/2007 |
| 7115174 | Method for producing and oxide layer on metallic elements In a known method for producing an oxide layer on metal parts, the metal parts are heat-treated in a treatment chamber during a carburization phase at temperatures below 1100° C. [2012° F.] in an atmosphere containing carbon monoxide and hydrogen and then, during ... | 10/03/2006 |
| 7050944 | FCC catalyst injection system having local data access A system and method for injecting catalyst into a fluid catalyst cracking (FCC) unit is provided. In one embodiment, a system for injecting catalyst into a FCC unit includes a catalyst injection apparatus coupled to a controller. The controller is housed in an enclo... | 05/23/2006 |
| 7033446 | Vacuum carburizing with unsaturated aromatic hydrocarbons Vacuum carburizing of ferrous workpieces is performed at low pressure in a vacuum furnace using an unsaturated aromatic such as benzene as the carburizing medium. The unsaturated aromatic is gas phase hydrogenated into a napthenes, such as cyclohexane, which is mete... | 04/25/2006 |
| 6969430 | Process and apparatus for producing atmosphere for high productivity carburizing This invention is directed to a process and apparatus for producing high productivity carburizing. A process is introduced that uses a gas mixture made up of CO, H2, CO2, H2O, CH4 and N2, such that the product o... | 11/29/2005 |
| 6846366 | Carburizing method and carburizing apparatus There is provided an economical carburizing method and carburization apparatus capable of carrying out carburizing treatment with a quality as high as that in a normal case and a high reproducibility even if carburizing conditions differ from those in a normal case.... | 01/25/2005 |
| 6635121 | Method and apparatus for controlling the decarburization of steel components in a furnace The invention relates to a method for controlling the decarburization of steel components in a furnace during heat treating processes. The concentration of CO2 and/or CO in the furnace is monitored in a first batch in order to determine periods... | 10/21/2003 |
| 6547888 | Modified low temperature case hardening processes An iron-containing workpiece is case hardened by low temperature carburization during which one or more process steps--including adjusting the carburization temperature, adjusting the concentration of carburization specie in the carburization gas and reac... | 04/15/2003 |
| 6406560 | Method for the thermal treatment of metal A method is provided for the thermal treatment of metal workpieces in a gas atmosphere containing nitrogen, in particular for nitrocarburizing iron articles. In order to obtain enhanced resistance to wear and corrosion in the treated workpieces, the nitro... | 06/18/2002 |
| 6328819 | Method and use of an apparatus for the thermal treatment, in particular nitriding treatment, of metal workpieces A method is provided for heat treatment of metal workpieces obtain a substantially uniform nitride layer, even in workpieces comprising high alloy iron articles. The following method steps are provided: a) heating the workpieces to a temperature between 400° ... | 12/11/2001 |
| 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 |
| 6106636 | Method and apparatus for controlling the atmosphere in a heat treatment furnace In a method of and apparatus for controlling an atmosphere in a heat treatment furnace according to the present invention, a carburizing is carried out while supplying a hydrocarbon series gas and an oxidization gas into the furnace. The quantity of a res... | 08/22/2000 |
| 6074493 | Method of continuously carburizing metal strip This invention aims at providing a method of continuously carburizing a metal strip, which is capable of providing industrially optimum carburization conditions while attaining non-soot-generating atmospheric data, desired carburization concentration dist... | 06/13/2000 |
| 6051078 | Method and apparatus for controlling the atmosphere in heat treatment furnace In a method of and apparatus for controlling an atmosphere in a heat treatment furnace according to the present invention, a carburizing is carried out while supplying a hydrocarbon series gas and an oxidization gas into the furnace, and the supply of the... | 04/18/2000 |
| 5958156 | Process for treating a particulate material within a rotating retort Apparatus (1) and process for treating particulate material or powder (33) of a size capable of being fluidized in a retort (31) mounted for rotation on a pair of end axles (18, 41). Retort (31) is mounted on a tilt frame (5) for tilting movement in a ver... | 09/28/1999 |
| 5846341 | Method of carrying out diagnostics on a process for the thermo-chemical treatment of steels and alloys in a glow discharge and a device for carrying out the said method The proposed method of carrying out diagnostics on a process for the thermo-chemical treatment of steels and alloys in a glow discharge involves monitoring the ionization characteristics of the atmosphere as revealed by the intensity of the electromagneti... | 12/08/1998 |
| 5795406 | Cementation method of metals In a cementation method of metals in which hydrocarbon gas and oxidization gas are introduced into a heat treatment furnace, a small quantity of hydrocarbon gas of is introduced at a low pressure into the heat treatment furnace. The shift time and the gra... | 08/18/1998 |
| 5749978 | Method and device for the controlled forming and feeding of a gaseous atmosphere having at least two components, and application in plants of thermal or carburizing treatment A method for the forming and feeding of a gaseous atmosphere having two components, at least one of which under the form of vapour obtained from liquid, envisages to bubble a first gaseous component within a liquid component kept under controlled conditio... | 05/12/1998 |
| 5741371 | Method and device for controlling the CO contents of a furnace atmosphere for carburization and carbonitriding of metallic work pieces A method for controlling the CO contents of furnace atmosphere for carburizing and carbonitriding metallic workpieces in a furnace includes the step of directly feeding a mixture of an oxidizing reagent and a hydrocarbon-containing fuel into the furnace f... | 04/21/1998 |
| 5599404 | Process for forming nitride protective coatings A substrate material to be coated with either a nitride, carbide, or oxide contains a small percent of a specific reactive element, like titanium, which forms very stable nitrides, carbides, or oxides. The material also contains larger percentages of elem... | 02/04/1997 |
| 5472520 | Method of controlling oxygen deposition during decarbutization annealing on steel sheets A method for controlling oxygen deposition on steel sheets. The oxygen deposition value of a steel sheet measured after decarburization annealing remains at a constant value by controlling, in the decarburization annealing line for the steel sheet, the el... | 12/05/1995 |
| 5456766 | Process for carbonitriding steel Process for carbonitriding a steel comprising: 0.75-1.1% by weight of C; up to 1.0% by weight of Si; less than 0.015% by weight of P; up to 0.5% by weight of Mo; up to 1.2% by weight of Mn; 0.5-2% by weight of Cr, the remainder being Fe, by exposing it at elevated tempe... | 10/10/1995 |
| 5417774 | Heat treating atmospheres A process for producing low-cost atmospheres suitable for annealing, brazing, and sintering ferrous and non-ferrous metals and alloys, neutral hardening low, medium, and high carbon steels, sintering ceramic powders, and sealing glass to metal from non-cr... | 05/23/1995 |
| 5366563 | Hot argon cleaning and protective coating of components made of metal or alloy The surfaces of a metal or alloy component are scrubbed by a high-velocity stream of inert gas at temperatures which facilitate removal of contaminants. Simultaneous with scrubbing, the impurities are captured in a separated loop of one or more "getter" f... | 11/22/1994 |
| 5348592 | Method of producing nitrogen-hydrogen atmospheres for metals processing An improved method for producing substantially moisture- and oxygen-free, nitrogen-hydrogen atmospheres suitable for annealing, hardening, brazing, and sintering ferrous and non-ferrous metals and alloys is disclosed. According to the disclosed method, su... | 09/20/1994 |
| 5298090 | Atmospheres for heat treating non-ferrous metals and alloys A process for producing low-cost atmospheres suitable for annealing, brazing, and sintering non-ferrous metals and alloys from non-cryogenically produced nitrogen containing up to 5%, residual oxygen is disclosed. According to the process, suitable atmosp... | 03/29/1994 |
| 5284526 | Integrated process for producing atmospheres suitable for heat treating from non-cryogenically generated nitrogen An integrated two-step process for producing low-cost atmospheres suitable for annealing ferrous and non-ferrous metals and alloys, brazing metals, sealing glass to metals, and sintering metal and ceramic powders in continuous furnaces from non-cryogenica... | 02/08/1994 |
| 5205873 | Process for the low pressure carburization of metal alloy parts A low pressure carburization process for metal alloy parts uses a fuel mixture consisting of hydrogen with 2 to 60% by volume ethylene. The fuel mixture is heated to a temperature between 820° and 1100° C. A furnace installation for carrying out the pro... | 04/27/1993 |
| 4992113 | Process for heat treatment under a gaseous atmosphere containing nitrogen and hydrocarbon Process for the heat treatment of low-alloy steels at temperatures higher than 600° C., such as annealing or heating before hardening, etc., said treatment being carried out in a protection atmosphere produced by the injection of nitrogen, hydrocarbon C | 02/12/1991 |
| 4966348 | Method and apparatus for monitoring atmosphere in furnaces A method and apparatus for operating a rotary retort heat treating furnace involves incorporating an outlet for withdrawing furnace atmosphere from the retort above the axis of rotation and conveying the withdrawn gas remotely form measurement at the temp... | 10/30/1990 |
| 4769090 | Rapid carburizing process in a continuous furnace Process in which there are injected a carrier gas and a hydrocarbon capable of producing, at conventional carburizing temperatures, an atmosphere of predetermined composition having a nominal concentration of carbon monoxide, a door of the furnace being o... | 09/06/1988 |
| 4655851 | Simultaneous carburizing and boronizing of earth boring drill bits Disclosed herein are treatments for the manufacture of earth boring drill bits having abrasive wear resistant seal surfaces. The external surface of the bearing pin is surface treated, as by carburizing, in one region and simultaneously boronized over the... | 04/07/1987 |
| 4519853 | Method of carburizing workpiece The method of carburizing steel workpieces comprises loading workpieces to be carburized in a furnace and maintaining them in a carbon enriching atmosphere comprising carbon monoxide, hydrogen and nitrogen. The treatment comprises a first phase carried ou... | 05/28/1985 |
| 4472209 | Carburizing method A method of carburizing a metal workpiece and a carburizing apparatus in which the workpiece, generally of steel, is introduced into an annealing oven and subjected to a high temperature in the presence of a carbon-containing gas mixture as a result of wh... | 09/18/1984 |
| 4445945 | Method of controlling furnace atmospheres Disclosed is a method of controlling the atmosphere of a heat-treating furnace whose atmosphere consists essentially of a carrier gas of CO, H2 and N2 produced from a mixture of methanol and nitrogen. In accordance with the present i... | 05/01/1984 |
| 4417927 | Steel nitriding method and apparatus Ammonia is used in the hardening of steels in a nitriding process which is controlled to limit or prevent formation of undesired iron nitrides by measuring the difference between input and output gas flow rates to and from the nitriding chamber and adjust... | 11/29/1983 |
| 4372790 | Method and apparatus for the control of the carbon level of a gas mixture reacting in a furnace chamber A method and device for control of the carbon level of a gas mixture reacting in a heat treatment furnace, which gas mixture arises by means of the introduction of a fuel containing hydrocarbon into the furnace chamber, the reaction products of which are ... | 02/08/1983 |
| 4322255 | Heat treatment of steel and method for monitoring the treatment The present invention relates to improvements in processes for treatment of steel under a controlled atmosphere. Use is made of an atmosphere formed by a carrier gas comprising or containing industrially pure nitrogen and by an active gas formed by a hydr... | 03/30/1982 |
| 4317687 | Carburizing process utilizing atmospheres generated from nitrogen-ethanol based mixtures A process for carburizing ferrous metal articles in a furnace under an atmosphere derived from an input of nitrogen and ethanol injected into the furnace during the entire cycle. Carburization is controlled in a first embodiment by the control of ethanol ... | 03/02/1982 |
| 4208224 | Heat treatment processes utilizing H2 O additions In a process for carburizing ferrous parts, nitrogen gas is supplied to the vestibule of an integral quench furnace while a gaseous carbon source is supplied without a carrier gas to the furnace hot zone. H2 O is introduced into the hot zone at... | 06/17/1980 |
