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| Number | Title | Issue Date |
| 8011922 | Apparatus for decorating objects by sublimation Apparatus and a process for the continuous cycle decoration of profiled bars for shutters and frames, or other similar objects, with a carrier film of plastic material, printed with the desired decoration with sublimable inks. The process provides for a significant ... | 09/06/2011 |
| 7980851 | Heat treatment furnace and heat treatment facility comprising it With regard to a heat treatment furnace (a solution furnace 1 and an ageing furnace 3), a furnace chamber 15 comprises a furnace body 12 opening downward and a floor body 14 closing the lower opening of the furnace body 12 a... | 07/19/2011 |
| 7811084 | Steam shrink oven The present invention discloses a pre-shrink oven and a shrink oven are located at positions where a conveyer belt travels according to a labeling process of bottles. The pre-shrink oven has adjustable steam ejection ducts at two sides thereof. The shrink oven has s... | 10/12/2010 |
| 7331198 | Bending apparatus for a glass sheet A desired temperature distribution is efficiently formed on a glass sheet by a simple structure without lowering heat efficiency within a furnace. A heating furnace conveys a bending mold of a glass sheet and a radiation-heating device is provided in the heating fur... | 02/19/2008 |
| 7287401 | System and method for cylindrically forming glass sheets A system (10) and method for cylindrically forming and quenching glass sheets includes a furnace (12), a bending station (16) at the exit end of the furnace for providing cylindrical bending, a roll bending station (18) located externally... | 10/30/2007 |
| 7228717 | Apparatus for glass sheet forming with cross curvature A glass sheet forming system (20) provides continuous roll conveyed forming of heated flat glass sheets to formed shapes having a major axis of curvature and a minor axis of curvature perpendicular to each other. The forming is performed by a roll station ( | 06/12/2007 |
| 7197883 | Cooling or heating with multi-pass fluid flow Apparatus and methods for cooling or heating product by passing it through a tunnel in which gaseous heat transfer medium such as cryogen vapor or steam is impinged toward the product and then drawn away from the product in a manner that minimizes intersection with ... | 04/03/2007 |
| 7150627 | Transported material heating with controlled atmosphere A tunnel oven for heating transported carbonaceous materials includes an enclosure having a passage and a transport device for moving solid carbonaceous materials through and along a length of the passage. A direct convection heater is operably connected to the encl... | 12/19/2006 |
| 7107899 | Spiral oven, heat delivery, enclosure and drive A spiral oven for continuous duty in continuous food process lines has an oven compartment enclosing a double-helix arrangement, of which there is a helical run of a food-carrying conveyor in combination with a helical assembly of heat-delivery elements. Accordingly... | 09/19/2006 |
| 7086252 | System and method for continuous forming of glass sheets A glass sheet forming system (20) includes a roll bending station (28) having a lower roll conveyor (30) and an upper roll former (32) between which a heated glass sheet is progressively formed with a curved shape by lower and upper rolls... | 08/08/2006 |
| 6976369 | Spiral freezer, refrigeration delivery, enclosure and drive A spiral freezer for continuous duty in continuous food process lines has a freezer compartment enclosing a double-helix arrangement, of which there is a helical run of a food-carrying conveyor in combination with a helical ramp or slideway for the food-carrying con... | 12/20/2005 |
| 6953547 | Method and apparatus for feeding solid material and oxidizing gas into a suspension smelting furnace The invention relates to an apparatus for feeding finely divided solids, containing at least sulphidic metal concentrate, and oxygenous oxidizing gas into a suspension smelting furnace, said apparatus comprising elements for conducting solids and oxidizing gas into ... | 10/11/2005 |
| 6783358 | Furnace and method for heating coated glass sheets A furnace (12) and a method for heating coated glass sheets by radiant heating also provides convective heating by hot air jets that entrain hot air within the furnace so the combined flow of hot air heats an upwardly facing coated glass surface in addition t... | 08/31/2004 |
| 6217319 | Semiconductor manufacturing device and method of processing wafer A hot plate unit includes a cover. The cover includes an inner wall and an outlet. There is provided immediately under the outlet a plate having a ventilation hole. The distance between the plate and a main surface is identical to the distance between the... | 04/17/2001 |
| 6095805 | Steam oven An oven includes a housing provided with a device for supplying steam into the interior of the housing, in connection with the setting of a cooking condition, such as the temperature and/or relative humidity, and also a conveyor belt which passes through ... | 08/01/2000 |
| 5974833 | Heat transfer method in glass sheet bending oven and a bending oven A heat transfer method in a glass bending furnace, which has a top array of of successive heating sections (2) and under it a bottom array of successive cooling sections (3), and in which method glass sheets are conveyed on bending molds in mold carrying ... | 11/02/1999 |
| 5951734 | Semi-convective forced air system for tempering low E coated glass A semi-convective forced air system for heating glass sheets during a heating cycle. The system has a heating chamber, and a longitudinal conveyor extending lengthwise through the heating chamber. A plurality of longitidinally-extending air manifolds are ... | 09/14/1999 |
| 5944515 | Reversing air flow oven A reverse air flow oven for symmetrically heating product inserted within a heating chamber in the oven. The oven includes duct work configured symmetrically about the heating chamber, and a fan provides continuous circulation through the duct work and th... | 08/31/1999 |
| 5832812 | Dual conveyer oven The oven of the present invention is a low profile, dual conveyer oven including an oven cabinet, two closely spaced conveyers and an air heating and circulation system. The conveyers and the oven cabinet are adapted so that the conveyers can be easily re... | 11/10/1998 |
| 5683242 | Oven with temperature balancing An oven for electronics manufacturing including a heated chamber having openings at each end to the ambient environment wherein heated air is circulated by a centrally located fan to pass over workpieces in a substantially upward (or downward) flow. Equal... | 11/04/1997 |
| 5667378 | Low profile kiln apparatus The present invention relates to an apparatus (1) efficiently producing brick (53). More specifically, the invention relates to an automated, ultra low profile, continuously moving dryer, kiln and brick handling system which provides efficient, effective ... | 09/16/1997 |
| 5660543 | Method and apparatus for enhanced convection brazing of aluminum assemblies A convection furnace is provided for brazing workpieces in a heated recirculating atmosphere, in which the workpieces are positioned within a heating chamber of the furnace and are alternately heated from different sides in a controlled manner such that a... | 08/26/1997 |
| 5567151 | Reflow furnaces with hot air blow type heaters This invention discloses a furnace in which hot gases are discharged from heaters to provide uniform heating to printed circuit boards commonly used in the electronic industry. Outside air is prevented from flowing into the furnace, so as to reduce and to... | 10/22/1996 |
| 5421317 | Ventilated cooking oven A ventilated conveyor oven is provided. The oven uses a makeup air fan to admit air to the plenum extending across the front of the unit and across the top of the unit. Exhaust channels are provided on the sides spaced above and below the conveyor oven en... | 06/06/1995 |
| 5391034 | Furnace with refractory longitudianl members and with central charging for heating and storing hot products Furnace with refractory longitudinal members and with central charging for heating and storing hot products, whereby the central charge arrives from a continuous casting plant or from previous hot processes, the furnace (10) comprising a first furnace por... | 02/21/1995 |
| 5319862 | Method of and apparatus for manufacturing a mat for building purpose A method of and an apparatus for drying/curing a dry material such as a mat of fibrous or powder material as may be used for building purpose as well as a non-dry material such as a thermosetting resin are disclosed. The disclosure relates to the sealing ... | 06/14/1994 |
| 5266027 | Roller-hearth continuous furnace The roller-hearth continuous furnace of the present invention comprises a tunnel-shaped furnace housing provided with a larger number of rollers shielded from outside, the inside of the furnace being divided into a heating section, a soaking section and a... | 11/30/1993 |
| 5097890 | Heat treating apparatus with cooling fluid nozzles A cooling system is disclosed which is incorporated in a heat treating apparatus for use in a manufacturing process of a semiconductor device etc. The heat treating apparatus includes a reaction tube for receiving products to be heat treated in its unifor... | 03/24/1992 |
| 5069618 | Method and kiln for firing ceramic articles In a tunnel kiln or other through-type kiln having aligned successive preheating, firing and cooling zones, counter-current air flows are provided in the preheating and cooling zones while essentially isolating the firing zone from air exchange by circula... | 12/03/1991 |
| 4990086 | System for under-cart cooling of furnace carts in tunnel furnaces A system for under-cart cooling of furnace carts in tunnel furnaces comprises a plurality of closed cooling air channels which fill the under-cart channel to the largest possible extent and are only slightly spaced from the undersides of the tent and are ... | 02/05/1991 |
| 4941823 | Vertical air flow ingot pusher furnace with adjustable side baffles An ingot pusher furnace of the vertical air flow type includes adjustable side baffles hingedly connected to lower ends of respective vertical side baffles to prevent the "short circuiting" of heated gases around the ends of an ingot to be heated. The adj... | 07/17/1990 |
| 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 |
| 4927358 | Apparatus for producing honeycomb panels Apparatus for producing honeycomb panel comprising a heating chamber isolated by a wall from outer air and a plurality of drawout trays capable of being individually inserted into and withdrawn from the heating chamber through a plurality of openings form... | 05/22/1990 |
| 4906182 | Gas cooling system for processing furnace A cooling system for a processing furnace provides improved cooling efficiency in a more compact arrangement than known furnace cooling systems. In the system a blower is situated within the cooling gas plenum but has its intake exterior thereto. The plen... | 03/06/1990 |
| 4878838 | Process for the thermal treatment of more particularly substantially flat bodies of a ceramic material and continuous furnace for the performance of the process The invention relates to a process and a continuous furnace for the thermal treatment of substantially flat bodies of a ceramic material. Disposed in a continuous furnace having a roller table 5, between a heating zone 1 and a cooling zone 2, is a firing ... | 11/07/1989 |
| 4846678 | Means and method for heat treatment of green bodies The invention relates to means for heat treating green bodies comprising two mutually parallel kiln channels operated in opposite directions each having at least one heating section, firing section, and cooling section, where an offtake means leads from o... | 07/11/1989 |
| 4834646 | Process for cooling fired products in a kiln A process is provided for cooling fired products such as tiles in a kiln by repeating a cooling step to cool down said products, the cooling step comprising blowing a cooling gaseous fluid, e.g., cooling air, to the fired products in the kiln, alternately... | 05/30/1989 |
| 4825561 | Curing oven apparatus A flexible screen mounted to pneumatically seal the sides of an opposing belt conveyor system in a porous pack curing oven. Fixed to the upper belt structure and drapingly sealed to the lower belt structure, the screen impedes curing gases directed throug... | 05/02/1989 |
| 4773851 | Tunnel kiln adapted for firing frost-resistant bricks in a reducing atmosphere Cermic materials (i.e. architectural face-bricks) are fired in a tunnel kiln of the type having a firing zone and a downstream cooling zone. The cooling zone is segregated into indirect and direct cooling zones via a sealed gate structure therebetween. Th... | 09/27/1988 |
| 4772199 | Installations for drying and baking ceramic products Drying and baking installation in which the products pass through the drying oven (S) and the baking oven (C) on the same carriages (1) by means of a single, continuous path, without intermediate handling; the products are stacked without contact with one... | 09/20/1988 |
