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| Number | Title | Issue Date |
| 8043087 | Methods and apparatus for thermal development of large area solids Methods and apparatus to rotate a sample about first and second axes in a heat chamber to obtain a desired homogeneous modification of properties of the sample and maintain a surface figure. ... | 10/25/2011 |
| 7311519 | Raw material feeding apparatus for rotary hearth furnace The invention provides a raw materials feeding apparatus capable of uniformly dispersing and feeding into a furnace agglomerated raw materials that are likely to undergo dusting, deformation and mutual adhesion. In a raw material feeding apparatus for a rotary heart... | 12/25/2007 |
| 7291811 | Oven for heating moving thermoplastic material container blanks An oven for heating moving thermoplastic blanks (preforms, intermediate containers), which includes conveying devices for supporting and moving the blanks sequentially while rotating each of them about its own axis. A heating device is arranged laterally to the conv... | 11/06/2007 |
| 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 |
| 7210990 | Treatment apparatus for treating workpieces or groups of workpieces In order to provide a treatment apparatus for treating workpieces or groups of workpieces that are conveyed from an inlet to an outlet of the treatment apparatus, wherein the treatment apparatus comprises a plurality of treatment levels and with said treatment appar... | 05/01/2007 |
| 7207797 | Oven for the treatment of contaminated materials An oven (10) has a rotatable portion (12, 14) comprising an outer chamber (20) and an inner treatment chamber (22) within the outer chamber. The inner treatment chamber is adapted to receive material for treatment and the oven has means (... | 04/24/2007 |
| 7081166 | Planetary system workpiece support and method for surface treatment of workpieces A planet system workpiece support for a vacuum treatment apparatus includes a sun system rotatable in the vacuum treatment apparatus about a sun system axle to be coupled to a drive. At least one planet system is rotatable on planet axle and is supported on the sun ... | 07/25/2006 |
| 7022627 | Method for the heat treatment of substrates A substrate undergoes a semiconductor fabrication process at different temperatures in a reactor without changing the temperature of the reactor. The substrate is held suspended by flowing gas between two heated surfaces of the reactor. Moving the two heated surface... | 04/04/2006 |
| 7002839 | Magnetic ring unit and magnetic memory device The present invention relates to a magnetic ring unit and a magnetic memory device; an object of the invention is to control the direction of rotation of the magnetic flux freely and with high reproducibility in a simple structure without using a thermal process suc... | 02/21/2006 |
| 6966770 | Rotary hearth furnace for use in the iron and steel industry A rotary hearth furnace for use in the iron and steel industry comprises a furnace (12, 112) with plan in the shape of an annulus, closed at the bottom by a rotary hearth (14, 114), lined at the top with refractory material (15, 115), and a base... | 11/22/2005 |
| 6901990 | Method and system for processing castings A method and system of processing castings is provided in which one or more castings are deposited into a mobile furnace and moved from one station to another of a multi-station casting processing system. The interior of the mobile furnace is heated so as to maintai... | 06/07/2005 |
| 6672866 | Continuous furnace for tubular firing material A Conveyor furnace for firing pipe-shaped objects with the following characteristics: 1.1.1 a furnace floor, 1.1.2 a furnace ceiling, 1.1.3 a two lateral furnace walls, which connect the furnace floor with the furnace ceiling, forming a furnace cha... | 01/06/2004 |
| 6547556 | Combination conduction/convection furnace A single furnace system integrates, in combination, two or more distinct heating environments (which in the preferred embodiments include a conduction heating environment and a convection heating environment) integrated such that the multiple environments... | 04/15/2003 |
| 6514448 | Device for tempering preforms and tempering method The process is used for tempering preforms made of a thermoplastic material; the preforms are to be blow molded. The preforms are provided with a temperature profile along a circumference. The temperature profile is generated by differentially heating str... | 02/04/2003 |
| 6361312 | High temperature materials processing furnace The invention is directed to an automated materials processing furnace capable of high temperature operation. The furnace is moveable and enables sample insertion into either end and includes a stationary sample affixed to a replaceable tray. The furnace ... | 03/26/2002 |
| 6310324 | Tube heating apparatus An apparatus for rapidly heating a plurality of parts to a desired temperature. The apparatus includes an oven within which is disposed a rotationally supported magazine for holding a plurality of parts to be heated. A plurality of heating elements and an... | 10/30/2001 |
| 6234788 | Disk furnace for thermal processing A furnace for thermal processing of substrates includes a substrate cassette that supports at least one substrate and a process chamber for thermal processing. A process chamber that includes a port for receiving a substrate, a heater that generates a the... | 05/22/2001 |
| 6210155 | Charging device for a rotary hearth furnace The invention relates to a charging device for creating superimposed layers of fine-grained bulk material on a rotating hearth (2). For each layer of bulk material to be charged, said charging device comprises a discharge hopper (22) having an outflow slo... | 04/03/2001 |
| 6209225 | Rotatoty dryer for copper concentrate A rotary dryer for copper concentrate including a tube-shaped heat distributor fixed to the structural drum, with tubular holes in the annular cross section where hot nitrogen is forced to flow. The concentrate is heated up by means of a numerous set of h... | 04/03/2001 |
| 6135766 | Rotary hearth furnace and method of operating the same A feed stock composed of an iron ore and a solid reducing material is supplied in a movable hearth furnace provided with a unidirectionally movable hearth, stacked on the movable hearth and then subjected to a series of operations of preheating, reduction... | 10/24/2000 |
| 6096999 | Reflow soldering apparatus with a rotative configuration The invention relates to an apparatus for subjecting objects to processes, wherein the apparatus comprises a plurality of chambers wherein are each adapted to contain at least one object; and processing devices for processing objects present in the chambe... | 08/01/2000 |
| 6065964 | Modular vacuum thermal processing installation The present invention relates to a chained thermal processing installation under rarefied atmosphere including several processing cells linked in a horizontal plane to a common air-tight chamber provided with handling means for transferring a load from on... | 05/23/2000 |
| 5997290 | Revolving transfer furnace for treating workpieces A furnace body (10) houses a treatment rotor (30) which has charge locations (36) to take up a workpiece charge each and is supported so as to be driven in rotation around a central axis (A). The furnace body (10) communicates with side chambers (110, 110... | 12/07/1999 |
| 5990450 | Rotary conveyor A rotary conveyor comprising an annular array of a plurality of circumferentially spaced work piece support members for receiving a corresponding plurality of work pieces. They conveyor further include a first drive ring coaxially associated with the arra... | 11/23/1999 |
| 5989019 | Direct reduction method and rotary hearth furnace In a rotary hearth furnace wherein objects including a mixture of a metal oxide, a reductant such as coal, and the like are fed onto the hearth, the fed objects are heated and reduced through the application of a flame of a burner provided on a ceiling po... | 11/23/1999 |
| 5899687 | Conveying system for a continuous-type oven A conveying system for use in a continuous-type oven is provided. The conveying system comprises a machine unit on which are disposed at least a pair of opposed carriers spaced apart by a predetermined separation distance. The subject conveying system als... | 05/04/1999 |
| 5846072 | Indirect-fired, all ceramic pyrochemical reactor The present invention is directed to an indirect-fired, stationary tube, gas/solids or solids/solids, full ceramic pyroprocessing furnace-reactor that uses heat-resistant conveyors to propel solids through the stationary tube.... | 12/08/1998 |
| 5836759 | Pusher furnace drop-out conveyor A drop-out conveyor transports heated slabs from a pusher-type slab reheat furnace to a roller table. The drop-out conveyor comprises at least one reciprocating carriage or slab cart movable between a first slab loading position and a second slab discharg... | 11/17/1998 |
| 5820364 | Reheat furnace apparatus and method of use A reheat furnace for reheating elongated metal workpieces includes an entrance end portion and an exit end portion opposite to the entrance end portion, and two side walls spaced apart from each other and extending between the entrance and exit end portio... | 10/13/1998 |
| 5811763 | Bowling ball rejuvenator An apparatus to extract liquid absorbed in a bowling ball having a surface. The apparatus includes a closed chamber to receive the bowling ball therein. A heating element in the chamber increases the temperature of the ball in order to draw the liquid to ... | 09/22/1998 |
| 5660751 | Bowling ball rejuvenator An apparatus to extract liquid absorbed in a bowling ball having a surface. The apparatus includes a closed chamber to receive the bowling ball therein. A heating element in the chamber increases the temperature of the ball in order to draw the liquid to ... | 08/26/1997 |
| 5529486 | Heating furnace system and method for producing hot rolled workpieces A heating furnace system is provided for receiving finite lengths of workpieces from one or more continuous casters and form a supply of heated workpieces at a temperature suitable for rolling in a hot rolling mill. The system includes, in one aspect, a h... | 06/25/1996 |
| 5513983 | Apparatus for vitrifying soot preform for optical fiber An apparatus for vitrifying a soot preform from which an optical fiber is produced by drawing, is composed of a main vacuum chamber 20 in which a muffle tube 70 for vitrifying the soot preform PF is located, and an auxiliary vacuum chamber 30 mounted on t... | 05/07/1996 |
| 5472343 | Kiln for the production of ceramic products and process for the operation of the kiln A kiln or oven for producing ceramic products is described having a combustion chamber through which the ceramic products continuously pass, as well as a process for the operation and control of the kiln and the ceramic products perform a rotation about t... | 12/05/1995 |
| 5382159 | Heating furnace system and method for producing hot rolled workpieces A heating furnace system is provided for receiving finite lengths of workpieces from one or more continuous casters and form a supply of heated workpieces at a temperature suitable for rolling in a hot rolling mill. The system includes, in one aspect, a h... | 01/17/1995 |
| 5338189 | Heat treat furnace A holding plate holding a number of chip components coated with electrode paste is carried into a furnace body. The furnace body includes a rotator which is intermittently rotated about a shaft. The rotator is provided with a plurality of radial blades, e... | 08/16/1994 |
| 5334014 | Walking beam furnace A walking beam furnace is provided for moving a work product through a high temperature (1,600° C.) furnace at high speed in large horizontal increments. A monolithic walking beam mechanism, including an array of parallel beams and support therefor, fabr... | 08/02/1994 |
| 5314330 | Walking hearth furnace A furnace is provided for continuous high-temperature heat processing in which a work product is conveyed through a furnace muffle by rectilinear beam motion. An inner and an outer beam are equipped with interleaved rods which are used to alternately lift... | 05/24/1994 |
| 5304779 | Semiconductor preheater with inclined rotary feed An apparatus for preheating semiconductor devices including a base having a slanted surface, a frame mounted on the slanted surface, a rotary shaft mounted between support plates of the frame, storage chutes radially provided between rotary disks fixed to... | 04/19/1994 |
| 5292243 | Apparatus for heating portions of container preforms Apparatus for heating longitudinally extending portions of a blow molding preform in order to provide a non-symmetrical temperature distribution about a longitudinal axis of the preform. The non-symmetrical temperature distribution permits the preform to ... | 03/08/1994 |
