Bizarre Patents
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 |
| 7341449 | Process for the heat treatment of a series of objects and associated apparatus A method and apparatus for heat treating objects in an enclosure, where the enclosure has an inlet passage, an outlet passage, and a treatment zone. Gaseous first fluid is injected into the treatment zone and the objects to be treated are passed through the treatmen... | 03/11/2008 |
| 7335018 | Flame resistant rendering heat treating device, and operation method for the device A heat treatment apparatus for oxidation having an oven for oxidation having a heat treatment chamber having a plurality of slits through which fiber strands running horizontally leave or returned strands enter and capable of sending hot air vertically from above th... | 02/26/2008 |
| 7282183 | Atmospheric control in reaction chambers Apparatus and methods are disclosed for controlling atmospheric characteristics inside a chamber. An apparatus comprises a mechanism for diffusively introducing pressurized gas into the apparatus, an outlet element in fluid communication with the mechanism, and a ch... | 10/16/2007 |
| 7100396 | Climatic cabinet and, in particular, a climatic cooling cabinet The invention concerns a climatic cabinet, in particular, a climatic cooling cabinet, whose interior is loaded or unloaded with specimen slides, with the aid of a transporting device. The loading and unloading take place through a loading opening which can be closed... | 09/05/2006 |
| 7018485 | Apparatus for subjecting rare earth alloy to hydrogenation process and method for producing rare earth sintered magnet using the apparatus An apparatus for subjecting a rare earth alloy block to a hydrogenation process includes a casing, gas inlet and outlet ports, a member arranged to produce a gaseous flow, and a windbreak plate. The casing defines an inner space for receiving a container. The contai... | 03/28/2006 |
| 7004753 | Gas seal for reactors employing gas guide bodies and reactor having the gas seal A gas seal protects the material inlet openings and material outlet openings of reactors for treating strands of material and strips of material. The openings are sealed by gas curtains. These curtains are generated by gas streams that leave gas outlet openings or n... | 02/28/2006 |
| 6805555 | Composite curtain assembly for continuous furnace entrance and exit An insulating curtain assembly for a continuous furnace, having an extremely durable woven metal-wire covering protecting a thermal insulating fabric which lacks durability. A plurality of horizontally oriented hinges enable the curtain to closely follow a top surfa... | 10/19/2004 |
| 6776611 | Oxidation oven An oxidation oven for use in the production of carbon fibers from a polyacrylonitrile precursor fiber. The oven has an oven chamber formed by sides and ends. At least one of the ends has a first opening and a second opening. The product passes through the openings f... | 08/17/2004 |
| 6474983 | Heated industrial curtain A substantially transparent thermal barrier for use in an opening between a refrigerated area and an adjacent area having a significantly higher temperature is suspended by its upper margin from a header. The barrier is formed of a plurality of strips pos... | 11/05/2002 |
| 6328558 | Purge chamber A purge chamber for providing a controlled atmosphere for the treatment of materials comprises a housing within which materials to be treated may be passed through and subjected to a cross-flow of purging gas entering and exiting through a multiplicity of... | 12/11/2001 |
| 6027337 | Oxidation oven An oxidation oven for use in the production of carbon fibers from a polyacrylonitrile precursor fiber. The oven has an oven chamber formed by sides and ends. At least one of the ends has a first opening and a second opening. The product passes through the... | 02/22/2000 |
| 5965048 | Heated chamber including an open wall with a gas curtain An atmosphere controlled workpiece heating chamber includes a spaced apart multiple gas flow means combination which avoids contamination of the atmosphere within the chamber from ambient atmosphere such as air. In one form, the chamber includes a gas dif... | 10/12/1999 |
| 5868565 | Method of heat treating articles and oven therefor An industrial oven for heat treating a series of articles by transporting the articles through a heated tunnel in an enclosure, the enclosure having air barrier closures at the entrance and exit of the tunnel, the air barrier closure at the entrance of th... | 02/09/1999 |
| 5366409 | Controlling pouring stream and receiver environment A method and system for providing a controlled gaseous environment at the opening to a receiver and around a free liquid stream downwardly entering the receiver opening. The method comprises laminarly emitting at least two gas flows to extend and intersec... | 11/22/1994 |
| 5364007 | Inert gas delivery for reflow solder furnaces An apparatus and method of reflow soldering electronic components, preferably to printed circuit boards, in an inert atmosphere to reduce solder defects and the need for flux or cleaning wherein the inert atmosphere is provided from a source of inert gas ... | 11/15/1994 |
| 5336085 | Multi-layer fluid curtains for furnace openings An apparatus and method for providing a selected atmosphere at and within an opening to the interior volume of a furnace. Two or more paralleled diffusers adjacent to the furnace opening laminarly emit different fluids and provide a multilayer fluid curta... | 08/09/1994 |
| 5310338 | Heat retaining curtains for reheat furnace discharge openings and charging openings A discharge opening for a reheat furnace is shielded with a pair of metal woven wire mesh curtains each secured above the discharge opening and hanging to the bottom of the opening. Each curtain preferably is formed from multiple parallel coplanar ribbons... | 05/10/1994 |
| 5230460 | High volume convection preheater for wave soldering A preheater for a wave soldering machine has high volume convection heating permitting components on circuit boards to be heated to more uniform temperatures throughout the assembly and more rapidly without damage to the components, the assemblies or both... | 07/27/1993 |
| 5195888 | Multi-layer fluid curtains for furnace openings An apparatus and method for providing a selected atmosphere at and within an opening to the interior volume of a furnace. Two or more paralleled diffusers adjacent to the furnace opening laminarly emit different fluids and provide a multi-layer fluid curt... | 03/23/1993 |
| 5174748 | Chamber having a hot zone and a cold zone and at least one gas inlet tube A reactor (100) is provided which comprises an enclosure (1,2,3) which has along its longitudinal axis (4--4') a hot zone (1), a cold zone (2) and between the hot and the cold zone an intermediate zone (3) and which has at least one gas inlet tube (12,32)... | 12/29/1992 |
| 5125556 | Inerted IR soldering system An infrared soldering machine has an inert gas atmosphere to prevent oxidation of the solder. Heaters positioned within the machine housing above a conveyor have through apertures and fans direct inert gas down through the heaters onto the conveyor. The f... | 06/30/1992 |
| 5090651 | Gas curtain additives and zoned tunnel for soldering A tunnel enclosure has a fluid barrier curtain at an entry and an exit and provides an apparatus for soldering an element. The fluid barrier curtains permit an additive, such as a soldering aid or the like to be included with the fluid at the curtain. Mor... | 02/25/1992 |
| 4946718 | Air curtain housing for conveyor mechanism An air curtain conveyor protection system that prevents airborne particles from entering a slot through which the product support members extend from the conveyor mechanism housing into the product treatment booth. A continuous stream or curtain of high v... | 08/07/1990 |
| 4940376 | Scrap loader for molten metal furnace A scrap loader for a molten metal furnace. A loader housing, to be positioned beside a molten metal furance, includes a chamber having an inlet portion for receiving metal scrap and an outlet port through which the metal scrap is to be fed into the furnac... | 07/10/1990 |
| 4915622 | Fluid barrier curtain system A fluid barrier curtain at an aperture in a wall within a duct, as at the entrance to a furnace, is disclosed that maintains separation of fluids on opposite sides of said barrier curtain while permitting passage of objects therethrough. The barrier curta... | 04/10/1990 |
| 4898319 | Ambient air exclusion system for brazing ovens A brazing oven includes an arrangement employing a gas curtain or barrier to cover the port or opening of the oven whenever the door is opened. The curtain or barrier is formed by a region of flowing conditioned air directed across the opening. The flowin... | 02/06/1990 |
| 4894009 | Apparatus for contactless sealing of an opening against emerging or entering gas An apparatus for contactless sealing of an opening against emerging or entering gas employs at least one barrier gas jet which is divided in the vicinity of its longitudinal axis. In the two sub-jets adjoining the dividing plane two different gases flow o... | 01/16/1990 |
| 4877012 | Apparatus for producing hot gas for the shrinkage of synthetic resin foils A rectangular cross-section housing is provided for an apparatus generating hot gas to shrink a plastic film. A burner is located close to the upper small end of this housing while an outlet nozzle is provided at the lower small end and the gas flows at a... | 10/31/1989 |
| 4823680 | Wide laminar fluid doors A method and apparatus for reducing the amount of an external fluid which travels through an opening into an enclosed area. Also, a method and apparatus for protecting a surface area or plane from contact with or intermixing with an external fluid. The me... | 04/25/1989 |
| 4801262 | Low velocity air seal A low velocity oven seal for use with an elongated oven complex of the type in which articles to be processed are moved longitudinally through the oven. The seal includes an air seal compartment adapted to be aligned with the entry end of the oven complex... | 01/31/1989 |
| 4767324 | Transition section for muffle furnace A muffle furnace burnout section includes dual parallel spargers each having parallel first and second sparger sections. The region between the first and second sparger sections includes a thermal and gas barrier transition section secured to the spargers... | 08/30/1988 |
| 4746289 | Heat treating process, hood for carrying out this process, and its use in heat treating furnaces The process comprises creating a screen of non-reactive or inert gas at least at one of the two ends of the heat treating zone or cooling zone of a furnace, the screen being substantially homogeneous and laminar throughout its height. The use of this proc... | 05/24/1988 |
| 4696226 | Fluid barrier curtain system A fluid barrier curtain at an aperture in a wall within a duct, as at the entrance to a furnace, is disclosed that maintains separation of fluids on opposite sides of said barrier curtain while permitting passage of objects therethrough. The barrier curta... | 09/29/1987 |
| 4580972 | Heating apparatus and method Apparatus for heating a plastic pipe 18 or the like comprises a body portion having inner and outer parts 1,2 defining therebetween an annular cavity 3 which receives the end of the pipe. In use of the apparatus, hot fluid is pumped through the cavity 3 v... | 04/08/1986 |
| 4551091 | Method for reducing the volume of atmosphere needed to inhibit ingress of ambient oxygen into the furnace chamber of a continuous heat treatment furnace The volume of atmosphere needed to inhibit the ingress of ambient oxygen into the furnace chamber (3) of a continuous heat treatment furnace (1) can be reduced by introducing a gas containing free oxygen (e.g. air) into the entrance section (2) and/or exi... | 11/05/1985 |
| 4517448 | Infrared furnace with atmosphere control capability An infrared furnace has a housing with insulated walls defining an elongated straight tunnel disposed on a longitudinal axis between an entrance and an exit. A conveyor continuously moves through the tunnel along the longitudinal axis between the entrance... | 05/14/1985 |
| 4460821 | Infrared furnace with muffle An infrared furnace has a firing chamber in which a source of infrared energy is disposed and an elongated envelope transparent to the infrared energy extending through the firing chamber. The envelope has first and second open ends outside the firing cha... | 07/17/1984 |
| 4449922 | Reheat furnace drop out door seal A discharge door assembly for a reheat pusher furnace having a drop out slope includes a refractory lined main frame, a hood extending out from the main frame, a fluid plenum extending substantially the length of the door beneath the hood and a plurality ... | 05/22/1984 |
| 4448616 | Process for reducing backmixing This invention relates to a process for substantially reducing the backmixing or backflow of gases into metal heat treating furnaces by the use of a particular gas jet and a defined flow rate.... | 05/15/1984 |
| 4371335 | Zone separator for multiple zone vessels A solids-gas contact vessel, having two vertically disposed distinct reaction zones, includes a dynamic seal passing solids from an upper to a lower zone and maintaining a gas seal against the transfer of the separate treating gases from one zone to the o... | 02/01/1983 |
