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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 |
| 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 |
| 6926522 | Method and apparatus for preheating particulate material An apparatus for preheating particulate material in which the particulate material is transferred from one or more upper storage bins to a circular lower chamber that has an outer, essentially annular, portion which serves as a gas flow passage. The particulate mate... | 08/09/2005 |
| 6279349 | Method for making glass sheet heating furnace A method for making a furnace for heating a glass sheet by lower electric resistance elements (50) supported by a furnace housing (12) below a roll conveyor (40) and by supplying a gas burner heated hot gas flow from a forced convection heater (56) that p... | 08/28/2001 |
| 6244198 | Method and equipment for pyrolytic treatment of organic material The present invention refers to a method and an equipment for pyrolytic treatment of organic material comprising a supply storage receiving the organic material to be treated, a number of containers with meshlike walls, each to be charged with a batch of ... | 06/12/2001 |
| 6131411 | Method and furnace for heating glass sheets A method and furnace for heating a glass sheet by lower electric resistance elements (50) supported by a furnace housing (12) below a roll conveyor (40) and by supplying a gas burner heated hot gas flow from a forced convection heater (56) that provides a... | 10/17/2000 |
| 6045358 | Forced convection heating apparatus and process for heating glass sheets therewithin A forced convection heating apparatus and process for heating glass sheets therewithin includes a housing (200) having an interior region, a conveyor for conveying the glass sheets through the interior region of the housing (200), a gas burner (204) opera... | 04/04/2000 |
| 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 |
| 5899688 | Rotary hearth furnace A rotary furnace for the treatment of minerals, includes an annular chamber provided with a material feeder apparatus and discharge apparatus for the material, disposed adjacent one another in a certain sector of the chamber. A plurality of burners are ar... | 05/04/1999 |
| 5603615 | Smoke pollution device for tunnel kiln The present invention relates to a smoke and heat source recycling device for a tunnel kiln in order to prevent smoke pollution. It has an exhaust fan in the preheating zone, the exhaust fan absorbing heat from the preheating zone and delivering such heat... | 02/18/1997 |
| 5172848 | Method and apparatus for convection brazing of aluminum heat exchangers A convection braze furnace for brazing aluminum heat exchangers in an inert gas rich atmosphere includes entrance and exit vestibules forming atmosphere barriers of suspended stainless steel strips. The interior of the braze furnace is divided into multip... | 12/22/1992 |
| 5044944 | Furnace of decreasing oxygen concentration to ultra low amount A furnace of decreasing oxygen concentration to ultra low amount is basically characterized by providing a furnace body divided into a plurality of zones, a device for supplying a non-oxidizing or a reducing atmospheric gas into each of the zones so as to... | 09/03/1991 |
| 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 |
| 4810191 | Processing steel slabs A method of processing steel slabs in which the slabs are continuously routed through a furnace to a slabbing mill the slabs being sequentially charged through the bottom of the furnace by a reciprocating mechanism whereby on the upward stroke the slab ch... | 03/07/1989 |
| 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 |
| 4668185 | Process and apparatus for drying organic material in a rotary dryer A rotating drying chamber has a hot zone 6 and a cooler zone 10. The temperature in the hot zone 6 is high, whereas the temperature in the cooler zone 10 is lower. The material to be dried is held in the hot zone 6 for a shorter period of time than it is ... | 05/26/1987 |
| 4515561 | Fiber treatment oven A fiber treatment oven is disclosed in which hot gas is flowed parallel to and between fiber pathways within the oven to reduce deflection and breakage of fibers and to reduce end-to-end temperature variations in the oven. Hot gas is emitted centrally of ... | 05/07/1985 |
| 4444557 | Continuous combustion furnace A continuous combustion furnace in which the charges to be heat processed is passed through the tunnel in the kiln having three temperature zones comprising a preheating zone, a firing zone subsequent to the preheating zone and a cooling zone subsequent t... | 04/24/1984 |
| 4240788 | Intermittent top firing tunnel kiln equipped with a burner having a ceramic air nozzle An intermittent top firing tunnel kiln equipped with a burner having a ceramic air nozzle, in which an air nozzle assembly is mounted to a wind box adjacent to the burner tile through a burner support tile, said assembly being constructed by a metallic ai... | 12/23/1980 |
| 4202661 | Jet implement radiation furnace, method and apparatus A furnace for heat treating metal slabs or strips includes a heating chamber through which stock is passed in confronting relationship to an array of jet impingement radiation burners. Combustion is separated from the stock by flat refractory plates havin... | 05/13/1980 |
| 4050885 | Method of drying gypsum wallboard and apparatus therefor The air flow in one zone of a gypsum wallboard dryer involves removal of the air from the wallboard drying section at one end of the elongate wallboard drying section, followed by directing a major portion of this air through fans to accelerate the air fl... | 09/27/1977 |
| 3985498 | Process and device for drying chemical products An apparatus for drying a chemical product containing a burnable liquid by igniting and burning the liquid from the product, consisting of means for contacting the product with a burnable liquid, means for feeding the product and means for cooling the pro... | 10/12/1976 |
| 3984197 | Device for the wet treatment and drying of textile material An apparatus for drying a material containing a burnable organic liquid by igniting and burning the liquid from the material, consisting of an enclosed burning chamber having at one end an inlet for the material to be dried, a combustion air inlet and an ... | 10/05/1976 |
