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| Number | Title | Issue Date |
| 7491057 | Firing furnace, manufacturing method of a ceramic member using the firing furnace, ceramic member, and ceramic honeycomb filter A manufacturing method for producing a ceramic member by firing a formed body with a firing furnace. The firing furnace is equipped with 1) a muffle formed in a manner so as to ensure a space for housing the formed body to be fired; 2) a heater or a heat generator s... | 02/17/2009 |
| 7284980 | Continuous firing furnace, manufacturing method of porous ceramic member using the same, porous ceramic member, and ceramic honeycomb filter A continuous firing furnace of the present invention comprises: a muffle formed into a cylindrical shape so as to ensure a predetermined space; a plurality of heat generators placed at the peripheral direction from the muffle; and a heat insulating layer formed in a... | 10/23/2007 |
| 7241140 | Burning oven A burning oven is provided, and has a housing that surrounds a combustion chamber in which material that is to be burned can be introduced after the housing is opened and can be placed upon a combustion chamber base. A deposit element is disposed externally of the c... | 07/10/2007 |
| 7001178 | Method and apparatus for using a display associated with a dental kiln An kiln for dental restoration components is provided, and comprises an indicator having an image screen for displaying information. The image screen is provided with at least two, and in particular at least three, surface areas with which optically distinguishable ... | 02/21/2006 |
| 6655956 | Metal frame for metal coils to be heat-treated A support frame for metal coils, which are stacked on top of each other for a heat treatment by means of a hot, gaseous medium, especially in bell-type annealing furnaces, has devices on the support frame for guiding the flow of the medium through the coi... | 12/02/2003 |
| 6644963 | Batch-type kiln A novel batch-type kiln and a method of use thereof are provided. The kiln comprises a kiln body and a heating chamber disposed within the kiln body, which has a heater disposed therein. A table is disposed at the bottom of the heating chamber, the table ... | 11/11/2003 |
| 6575739 | Configurable wafer furnace A processing system including a chamber defining an interior cavity having a processing tube assembly arranged within the interior cavity. A heating assembly moveable relative to the processing tube assembly from a first position where said processing tub... | 06/10/2003 |
| 6435866 | Radiation furnace with independently controlled heating elements A radiation furnace assembly for use in heating parts. The radiation furnace assembly includes a muffle having a top side, a bottom side, and a first side wall. The muffle defines a chamber with a main heating portion and a first side heating portion. Dis... | 08/20/2002 |
| 6280182 | Disposal of gas evaporated with heat treatment Organic gases and the like containing poisonous dioxin and so on which are evaporated from articles when they are subjected to a heat treatment such as degreasing, are led from a muffle where they are heated into radiant heating tubes located outside the ... | 08/28/2001 |
| 6203315 | Rotary burner for solid fuel A device for the combustion of solid fuel in the form of granules, pellets, chips or other fragmented or finely divided form, comprising a rotary reactor drum (1), which forms the main combustion chamber (13) and has a rear end wall (65) and at the opposi... | 03/20/2001 |
| 6183247 | Heating equipment A heating device for burning fuel pellets (2) having a spherical combustion area (7), the surrounding wall of which is perforated (37), is disclosed. The combustion area (7) is surrounded concentrically by a wall(40) having perforations (36) and is spaced... | 02/06/2001 |
| 6168426 | Batch-type kiln A novel batch-type kiln and a method of use thereof are provided. The kiln comprises a kiln body and a heating chamber disposed within the kiln body, which has a heater disposed therein. A table is disposed at the bottom of the heating chamber, the table ... | 01/02/2001 |
| 5997293 | Furnace for firing dental ceramic material The furnace for firing ceramic materials has a working surface including a firing area and a storage area. A hood is provided which is moveable motorically relative to the working surface and positioned above the firing area to define the firing chamber. ... | 12/07/1999 |
| 5961322 | Water cooled inner cover for annealing furnace An annealing furnace inner cover cooperates with a furnace base to define a treatment chamber within which a charge of metal such as steel is housed for annealing, wherein the inner cover carries at least one interior cooling conduit through which cooling... | 10/05/1999 |
| 5873675 | Method for hazardous waste vitrification Apparatus (10) and a method for vitrifying hazardous waste includes a melting vessel (12) in which hazardous waste and any other necessary components for forming a glassy mixture upon heating are introduced for heating by a heater (38), and a metallic con... | 02/23/1999 |
| 5846073 | Semiconductor furnace processing vessel base A vertically oriented thermal processor supports semiconductor wafers within a vertical process chamber within a process tube about which a furnace heater is supported. A base plate support assembly mates with a processing vessel such that the interior su... | 12/08/1998 |
| 5788485 | Kiln for ceramic dental composition with a pivotally connected bearing arrangement A kiln has a bottom part with a support for goods to be fired and a top part with a firing chamber. A bearing arrangement including at least one pivot joint pivotably connects the bottom part and the top part. The bearing arrangement includes a lift beari... | 08/04/1998 |
| 5772431 | Thin-film solar cell manufacturing apparatus and manufacturing method A base is provided with a gas outlet pipe and a gas inlet pipe. A bell jar is placed on top of the base with an O-ring interposed between them. Thin-film solar cells and a Se powder are placed in a recess formed in a lower heating jig, and the lower heati... | 06/30/1998 |
| 5749723 | Heat treatment apparatus A vertical heat treatment apparatus that includes a reaction tube for wafers to be loaded into from below and a heating unit surrounding the reaction vessel, or a single wafer heat treatment apparatus having a holder which provides a mount for wafers bein... | 05/12/1998 |
| 5711635 | Apparatus for hazardous waste vitrification Apparatus (10) and a method for vitrifying hazardous waste includes a melting vessel (12) in which hazardous waste and any other necessary components for forming a glassy mixture upon heating are introduced for heating by a heater (38), and a metallic con... | 01/27/1998 |
| 5647833 | Method for vitrifying hazardous waste Apparatus (10) and a method for vitrifying hazardous waste includes a melting vessel (12) in which a stirrer (38) mixes hazardous waste and any other necessary components for forming a glassy mixture upon heating while an electrical current is applied acr... | 07/15/1997 |
| 5562363 | Apparatus for vitrifying hazardous waste Apparatus (10) and a method for vitrifying hazardous waste includes a melting vessel (12) in which a stirrer (38) mixes hazardous waste and any other necessary components for forming a glassy mixture upon heating while an electrical current is applied acr... | 10/08/1996 |
| 5533930 | Apparatus for producing a silicon nitride sintered body Provided is an apparatus for producing a silicon nitride sintering body made of a furnace including a heater source. The furnace includes a furnace core chamber defined by at least one partition inside the furnace to prevent an atmosphere containing more ... | 07/09/1996 |
| 5502742 | Heat treating furnace with removable floor, adjustable heating element support, and threaded ceramic gas injection nozzle A heat treating furnace has a hot zone enclosure with a substantially rectangular cross section. The floor of the hot zone enclosure is formed such that it is removable independently of the remainder of the hot zone enclosure. The heat treating furnace ha... | 03/26/1996 |
| 5496988 | Device for soldering components on plates The invention relates to a device for soldering components on plates under the influence of a gas, having an at least two-piece housing, wherein a seal is provided between the housing elements. It is proposed to employ a liquid as the sealing means. It is... | 03/05/1996 |
| 5445521 | Heat treating method and device A heat treating device including a pressure detecting unit for outputting an output signal when a pressure in a heat processing furnace becomes a set value, an air release pipe having a first valve and a check valve, a differential pressure gauge shut off... | 08/29/1995 |
| 5419699 | Seal arrangement for batch coil annealing furnace An improved seal arrangement is disclosed for use in batch coil annealing furnaces. The furnace has extending from its base a pair of cylindrical upright supports having exposed membrane engaging seal edges and between which an underpressure chamber is fo... | 05/30/1995 |
| 5328084 | Aluminum heat exchanger braze furnace A muffle furnace assembly for brazing aluminum heat exchanger workparts comprises a tubular muffle having a workpart conveyer extending therethrough. A pair of fans disposed inside the muffle circulate high temperature atmosphere through the workparts. Th... | 07/12/1994 |
| 5295822 | Convective heat transfer by cascading jet impingement in a batch coil annealling furnace An improved convective heat transfer arrangement is disclosed achieving overall heat transfer efficiencies in the neighborhood of 30 Btu/(hr. ft2 °F.). A heat transfer conduit including a heat transfer wall is axially divided into a plurality ... | 03/22/1994 |
| 5207573 | Heat processing apparatus A heat processing apparatus comprises a heating furnace, a process tube located in the heating furnace and having an open bottom, a manifold connected to the open bottom of the process tube, a sealing member sandwiched between the process tube and the man... | 05/04/1993 |
| 5114338 | Furnace for heating highly pure quartz preform for optical fiber A heating furnace for heating a porous preform made of fine particles of highly pure quartz glass for an optical fiber, which furnace comprises a cylindrical furnace body, a heater installed in said furnace body and a muffle tube installed inside said hea... | 05/19/1992 |
| 5048801 | Sintering furnace A sintering furnace includes an upper housing having a gas permeable insulating enclosure therein, with heating elements within the enclosure, and a lower housing having a hearth against which the insulating enclosure rests. Sweep gas is introduced to the... | 09/17/1991 |
| 5032079 | Furnace for producing high purity quartz glass preform There is provided a heating furnace comprising a furnace body, a cylindrical zone heater in the furnace body, a muffle tube installed through the furnace body for thermally treating a porous preform made of high purity quartz glass by moving the preform v... | 07/16/1991 |
| 5007825 | Heat reclamation apparatus The apparatus herein comprises a kettle for calcining particulate material and a surrounding furnace having a porous wall to pass heat of combustion into the kettle at one side and to permit evacuation of the products of combustion from an opposite side, ... | 04/16/1991 |
| 5006064 | Furnace seal A gas seal for a bell-type annealing furnace is described. A ring supported by the furnace cover and a resilient pad supported by the base mate to form a gas seal when the cover is rested on the base. A cover-supported cooling jacket and a base-supported ... | 04/09/1991 |
| 4974663 | Cross-circulating method and apparatus for autoclave A method for circulating a gas in an autoclave which comprises a pressure container (A) having a wind tunnel (7) in which moldable materials (1) are placed and the gas is circulated by a blow fan (33), the pressure container (A) being sealably closed by a... | 12/04/1990 |
| 4964798 | Method and apparatus for quickly purging atmosphere gas from bell furnace A method and apparatus for vacuum purging bell type furnaces is provided. A vacuum shell unit is provided which is removably emplacible over the inner cover of the furnce and has a vacuum tight seal to the base. A vacuum is pulled both within the inner co... | 10/23/1990 |
| 4927359 | Fluid distribution apparatus A two-stage gas distribution nozzle for a muffle furnace includes an inner pipe with spaced apertures for feeding gas at spaced intervals to an outer pipe enclosing the inner pipe. The outer pipe includes spaced apertures facing in a direction such that t... | 05/22/1990 |
| 4867675 | Method and apparatus for quickly purging atmosphere gas from bell furnace A method and apparatus for vacuum purging bell type furnaces is provided. A vacuum shell unit is provided which is removably emplacible over the inner cover of the furnace and has a vacuum tight seal to the base. A vacuum is pulled both within the inner c... | 09/19/1989 |
| 4850863 | Sealed insulating wall for a furnace The present device comprises an enclosing structure for a vacuum furnace hot zone. The enclosing structure, in a preferred embodiment, includes an outside wall (usually fabricated from stainless steel), and inside wall (usually fabricated from laminated g... | 07/25/1989 |
