Bizarre Patents
Mouthguard made at least partially from an edible candy
A mouthguard includes a U-shaped upper bite plate which removably fits over upper teeth of a person, with the entire upper bite plate being made from a soft, deformable and edible gummi candy.
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| Number | Title | Issue Date |
| 7112904 | Magnetic rotation transmitting device, hermetic stirring unit, and electric furnace In order to provide a magnetic rotation transmitting device capable of obtaining a large transmitting torque without using a large-sized permanent magnet, in an axial-type magnetic rotation transmitting device, which includes a driving rotation body having one or pl... | 09/26/2006 |
| 7072378 | Induction heating apparatus and methods for selectively energizing an inductor in response to a measured electrical characteristic that is at least partially a function of a temperature of a material being heated An induction heating apparatus includes a measurement device for indicating an electrical resistance of a material to be heated. A controller is configured for energizing an inductor in response to the indicated resistance. An inductor may be energized with an alter... | 07/04/2006 |
| 6898232 | Induction furnace for high temperature operation An induction furnace capable of operation at temperatures of over 3100° C. has a cooling assembly (60), which is selectively mounted to an upper end of the furnace wall (76). The cooling assembly includes a dome (62), which is actively cooled b... | 05/24/2005 |
| 6831939 | Dual use of an induction furnace to produce hot metal or pig iron while processing iron and volatile metal containing materials A method of operating an induction furnace so as to receive electric arc furnace (EAF) dust, basic oxygen furnace (BOF) sludge/dust and/or other iron and volatile metals containing materials as a feed stream on a batch, continuous or semi-continuous basis together w... | 12/14/2004 |
| 6819704 | Induction melting furnace with metered discharge An induction melting furnace comprises a melt chamber for heating a melt either directly by magnetic induction, or indirectly by magnetic induction heating of the melt chamber, or a combination of the two, and a meter chamber connected to the melt chamber for provid... | 11/16/2004 |
| 6798821 | Method and apparatus for solidification-controllable induction melting of alloy with cold copper crucible A method for solidification-controllable induction melting of alloy with cold copper crucible employs the vacuum induction furnace with cold crucible to melt metals, particularly active metals, to obtain alloy ingots having directionally solidified structure at the ... | 09/28/2004 |
| 6724803 | Induction furnace for high temperature operation An induction furnace capable of operation at temperatures of over 3100° C. has a cooling assembly (60), which is selectively mounted to an upper end of the furnace wall (76). The cooling assembly includes a dome and a lifting mechanism (80), mo... | 04/20/2004 |
| 6600768 | Induction melting furnace with metered discharge An induction melting furnace comprises a melt chamber for heating a melt either directly by magnetic induction, or indirectly by magnetic induction heating of the melt chamber, or a combination of the two, and a meter chamber connected to the melt chamber... | 07/29/2003 |
| 6492631 | Apparatus for quenching metallic material An apparatus for quenching a metallic material such as steel is provided. The apparatus includes a heating furnace, a liquid metal sodium chamber, a gas cooling chamber, and a liquid metal sodium removal chamber. The heating furnace heats the metallic mat... | 12/10/2002 |
| 6409790 | Method and apparatus for practicing carbonaceous-based metallurgy An energy efficient, coal-based method and apparatus that are environmentally friendly which produce under pressure metallized/carbon product and molten metal directly from abundant coal or other carbonaceous material, and low cost fines (or ore concentra... | 06/25/2002 |
| 6101212 | Sealed evacuatable crucible for inductive melting or superheating A sealed evacuatable crucible (1) for inductive melting of metals or other electrically conductive materials, including a plurality of palisades (2,2', . . . ) which are arranged parallel to one another, and for enclosing the melt and forming the crucible... | 08/08/2000 |
| 6049559 | Method of refining metal to high degree of purity and high-frequency vacuum induction melting apparatus A method of refining metal to be processed to a high degree of purity by heat-melting the metal in a melting furnace in the form of a metal crucible placed in a vacuum vessel. The method includes evacuating prior to melting, preheating the inside of the e... | 04/11/2000 |
| 5993202 | Baking furnace and control method therefor The present invention prevents a lowering of the baking quality of a baked product due to a variation in the temperature distribution in a baking furnace due to the inflow of air into the baking furnace. A baking furnace has an inlet disposed in a clean r... | 11/30/1999 |
| 5974077 | Method of refining metal to high degree of purity and high-frequency vacuum induction melting apparatus A method of refining metal to be processed to a high degree of purity by heat-melting the metal in a melting furnace in the form of a metal crucible placed in a vacuum vessel. The method includes evacuating prior to melting, preheating the inside of the e... | 10/26/1999 |
| 5923699 | Induction furnance heating module and gas zone A heating module for use in steel processing is provided. The module includes one or more gas heating zones and one or more induction heating coils intermixed among the gas heating zones. The modules are used to heat steel slabs to a consistent temperatur... | 07/13/1999 |
| 5757843 | Induction melting system including gas exhaust An annular exhaust gas passage 2 and an airtight retention member 3 for keeping the inside of a crucible induction furnace 1 airtight are installed on the top of the furnace 1, and an exhaust system under atmospheric pressure is connected to a valve 4 via... | 05/26/1998 |
| 5304230 | Method of disposing of organic and inorganic substances and a plant for carrying out the method In a method of disposing of organic and inorganic substances, the substances are gasified and decomposed in and/or above a liquid bath of a metal alloy under negative pressure, off-gases forming are seized, collected and purified and separated. To prevent... | 04/19/1994 |
| 5271033 | Induction furnace for melting and casting substances in a nonreactive atmosphere A furnace chamber contains a chassis to which a closure plate for said chamber is removably fixed. A tilting frame is borne by said chassis in a pair of coaxial tilting bearings, one of which incorporates a rotary lead through for power lines and cooling ... | 12/14/1993 |
| 5267258 | Fast melting induction furnace with pressing cover In a fast-melting induction furnace, an elevationally movable pressing cover 4 suppresses the swell of molten metal 3 inside a crucible 2 on which a coil 1 is wound. The pressing cover 4 has a lower surface which is made concave. An upper half part of the... | 11/30/1993 |
| 5121406 | Induction melting furnace The invention relates to an induction melting furnace 1 for metals which are difficult to melt including an induction coil 2 surrounding the crucible 3 and a mold receptacle 4 surrounded by an annular chamber 5 to hold the cooling agent. The crucible 3 is... | 06/09/1992 |
| 5003551 | Induction melting of metals without a crucible An apparatus and method for inductively melting a quantity of metal, without having to contain the metal in a crucible, is described. The solid metal to be melted is placed within a first induction coil excited by an alternating current and adapted to pro... | 03/26/1991 |
| 4996402 | Method and apparatus for continuously melting material by induction heating A method of continuously melting a material comprises the steps of depositing carbon in a crucible furnace provided with a melt outlet and an inlet in an upper portion thereof, heating the carbon by electromagnetic induction heating by an electromagnetic ... | 02/26/1991 |
| 4797524 | Apparatus and method for regenerating active carbon The invention relates to an apparatus for the regeneration of active carbon comprising particularly: a hopper for introducing the active carbon; a reactor (7) delimited by an elongated shaped sheath; a continuous Archimedes screw (10) situated inside the reactor to... | 01/10/1989 |
| 4738713 | Method for induction melting reactive metals and alloys A method for melting a charge of reactive metals or metal alloys is disclosed in which the charge is induction melted in a segmented crucible in the absence of insulating slag, under a non-reactive environment utilizing an induced alternating current.... | 04/19/1988 |
| 4227033 | Induction crucible furnace An induction crucible furnace for the smelting of materials comprises a crucible which is surrounded by the induction coils and yoke which are mounted upon an intermediate vessel or shell closed by a cover overlying a mass of insulating material interpose... | 10/07/1980 |
| 4142063 | High-frequency electric furnace The invention relates to a high-frequency furnace whose wall is formed by superposed wall-forming members. This furnace includes in particular an inner tubular wall comprising a zirconia tube (38), an alumina washer (39) laid on the zirconia tube and a si... | 02/27/1979 |
| 3991263 | Means for tapping Apparatus for melting, holding and tapping metals or metal alloys, in which solid material is melted down in a channel-type induction furnace, the melt then being transferred to a second channel-type induction furnace to be kept hot, possibly over-heated ... | 11/09/1976 |
