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| Number | Title | Issue Date |
| 7331374 | Method and apparatus for assisting removal of sand moldings from castings Disclosed is a method for dislodging a mold from a casting formed within the mold. The mold may be removed from the casting by scoring the mold and applying a force sufficient to cause the mold to fracture and break into pieces. Additionally, the mold may be fractur... | 02/19/2008 |
| 7275582 | Methods and apparatus for heat treatment and sand removal for castings A system and method for heat treating castings and removing sand cores therefrom. The castings are initially located in indexed positions with their x, y, and z coordinates known. The castings are passed through a heat treatment station typically having a series of ... | 10/02/2007 |
| 7165670 | Food transport routing systems, devices, and guides for food processing systems and related methods Commercial production transport systems, mechanisms, and guides for food processing are configured so as to automate food transport. The system can direct food to travel serially over side-by-side predetermined travel lanes using one or more of a pick-up mechanism a... | 01/23/2007 |
| 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 |
| 7018201 | Dual-zone dehydration tunnel A dehydration tunnel for fruits, vegetables, and other products reduces the vulnerability of the products to damage from carmelization and case hardening by dividing a row of product vessels into two segments, passing heated air simultaneously over both segments but... | 03/28/2006 |
| 7004307 | Food transport routing systems, devices, and guides for food processing systems and related methods Commercial production transport systems, mechanisms, and guides for food processing are configured so as to automate food transport. The system can direct food to travel serially over side-by-side predetermined travel lanes using one or more of a pick-up mechanism a... | 02/28/2006 |
| 6997704 | Method and apparatus to aid in the delubrification of parts A method and apparatus for delubrification of parts. The method comprising the steps of moving the parts on the belt into a chamber of the furnace, heating the parts, igniting the unused combustible atmosphere above the parts, and allowing the atmosphere above the p... | 02/14/2006 |
| 6935856 | Method of improving the temperature profile of a furnace A furnace apparatus and method for increasing the productivity and/or quality of reheated products by improving the temperature profile of a furnace for reheating products. ... | 08/30/2005 |
| 6713107 | Airflow distribution systems for food processors Gas and/or air distribution systems and methods for distributing thermally and/or otherwise treated gas in a food processor by moving at least one food item over a predetermined travel path in a food processor having a food travel path comprising a moving floor and ... | 03/30/2004 |
| 6689407 | Enhanced capacity food processing systems with efficient space utilization Mass production food processing methods, systems, and apparatus with increased capacity over conventional design are configured to direct food to travel serially over side-by-side travel paths so as to travel a plurality of revolutions about a tier or lev... | 02/10/2004 |
| 6638061 | Low NOx combustion method and apparatus Primary fuel and preheated oxidant are injected into a combustion zone to produce a flame with a predetermined adiabatic flame temperature. The preheated oxidant is injected at a target rate of oxidant injection. The primary fuel is injected at a first re... | 10/28/2003 |
| 6629838 | Endothermic heat treatment of solids loaded on trolleys moving in a kiln The invention provides a process and installation for the treatment of a solid. The process includes passing the solid along a kiln having a hollow interior, while supporting the solid on supports moved successively along the kiln and heating the solid, b... | 10/07/2003 |
| 6533577 | Compartmentalized oven An oven compartment in an oven for subjecting items to a selected heating sequence having a compartment container with a transport opening therein to permit selectively entering such items adjacent to first plenum structure at a perforated surface to allo... | 03/18/2003 |
| 6527547 | Oven and process for manufacturing an envelope for use in a display tube The invention relates to an oven for sealing a panel to a funnel, thus forming an envelope suitable for use in a display tube, comprising a tunnel structure 9 and at least one mount for conveying an assembly of a panel and a funnel through the tunnel stru... | 03/04/2003 |
| 6332909 | Processing apparatus, processing system and processing method A processing apparatus capable of separating and recovering resins and metals, respectively, from an object being processed, which has resins and metals as its constituent, comprises a first gastight area (102), in which temperature and pressure are regul... | 12/25/2001 |
| 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 |
| 6267587 | Thermal curing oven and thermal curing process An apparatus and a method for curing coatings on ophthalmic lenses is disclosed. The apparatus includes an oven that is continuously supplied with lenses. A vertically oriented conveyor having multiple carrier bars for supporting the lenses is positioned ... | 07/31/2001 |
| 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 |
| 6138660 | Forced convective track oven having oval spirals A forced convective track oven comprises a track conveyor including first and second circular spirals, the first circular spiral for conveying bakery trays and dough products upwardly and the second circular spiral portion for conveying bakery trays and d... | 10/31/2000 |
| 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 |
| 6048199 | Tunnel kiln for firing ceramic honeycomb bodies A tunnel kiln for firing ceramic honeycomb structural body comprising a vestibule region, a carbonaceous material release region located downstream of the vestibule region and a sintering region located downstream of the carbonaceous material release regi... | 04/11/2000 |
| 5881636 | Heat impingement bake oven An oven for baking food products includes a spiral conveyor having a wire mesh conveyor belt for transporting food products from a loading bin to a storage bin. The spiral conveyor is surrounded by a threaded cylindrical housing having apertures which com... | 03/16/1999 |
| 5702245 | Conveyor for processing equipment having gas flow compensation A processing apparatus, conveyor and method for processing products or materials, such as food processing equipment or methods, is configured such that the conveyor travels in a generally helical path within a processing chamber to expose products on the ... | 12/30/1997 |
| 5672191 | Forced convection heating apparatus and process for heating glass sheets therewithin A forced convection heating apparatus and process for heating glass sheets therewithin. The apparatus includes at least one gas burner for producing hot combustion gases which is to be distributed toward and into contact with the top and/or bottom surface... | 09/30/1997 |
| 5669954 | Forced convection heating apparatus and process for heating glass sheets therewithin A forced convection heating apparatus and process for heating glass sheets therewithin. The apparatus includes at least one gas burner for producing hot combustion gases to be distributed toward and into contact with the top and/or bottom surfaces of a gl... | 09/23/1997 |
| 5613847 | Heat transfer in a tunnel kiln In a tunnel kiln for the firing of ceramic products in a tunnel kiln having a preheating zone, a firing zone and a cooling zone, pulse-modulated gas flows from a ventilation unit in the cooling zone to a suction unit in the preheating zone. As a result, t... | 03/25/1997 |
| 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 |
| 5515775 | Apparatus for treatment of solid material An apparatus is provided that comprises a self-stacking spiral conveyor that traverses through a circulating atmosphere. The atmosphere is manipulated by one or more chambers having an open side adjacent to the perforated sides of the spiral conveyor. Add... | 05/14/1996 |
| 5335590 | Apparatus for treatment of solid material An apparatus is provided that comprises a self-stacking spiral conveyor that traverses through a circulating atmosphere. The atmosphere is manipulated by one or more chambers having an open side adjacent to the perforated sides of the spiral conveyor. Add... | 08/09/1994 |
| 5322007 | Compact, high-capacity oven An oven with a box-like housing for efficient use of plant floor space encases a spiral food product carrying conveyor. A process vapor is circulated within the housing by "plug fans" with the inlet drawing vapor from the central axial zone of the spiral ... | 06/21/1994 |
| 5123336 | Plant for treating baking good A plant for treating baked goods having a baking oven, two fermentation compartments and a cooling tower which constitute a treating compartment for the goods to be treated. Support members carrying the baking goods are fed to the treating compartments by... | 06/23/1992 |
| 5040974 | Internal air circulation system for lanham oven A bakery oven of the type employing a continuous conveyor therein for carrying goods to be baked through an oven enclosure includes an air distribution system adapted to direct heated air from near the top wall of the oven enclosure to the bottom and side... | 08/20/1991 |
| 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 |
| 4941819 | Air circulation and exhaust control system for commercial ovens An oven (20) includes an oven enclosure (24) having a conveyor (40) mounted therein for transporting food products through the oven. A plurality of ribbon burners (100) are mounted within the oven interior (32) adjacent the path of the conveyor to heat th... | 07/17/1990 |
| 4936771 | Skid mark erasure system The invention is directed to an arrangement of high thrust burners with control systems for a heating furnace which heat metal or similar product, in order to erase developing cold skid marks. The location of these burners is specified, transversely and l... | 06/26/1990 |
| 4886449 | Vacuum brazing of aluminum alloy workpieces An improved practice for the vacuum brazing of aluminum alloy workpieces in a multi-chamber braze furnace is disclosed. When magnesium-containing aluminum alloys are brazed in a furnace having a braze chamber and adjacent exit chamber, there may be advant... | 12/12/1989 |
| 4884969 | Tunnel kiln The invention relates to a tunnel kiln for fine ceramic products comprizing a heating section, a firing section, and a cooling section, where by means of gas conveying means (10) gases are taken in from the region of said cooling section (140, 176, 182) a... | 12/05/1989 |
| 4863377 | Apparatus for the hydraulic conveyance of substances and use thereof A conveyance channel (76) connects an inlet valve (74) to a free outlet (82) whereby the conveyance channel (76) first passes through a sterilization zone (78) and then through a cooling zone (80). Within the cooling zone (80), the conveyance conduit cont... | 09/05/1989 |
| 4856987 | Tunnel kiln for ceramic firing A tunnel kiln for firing ceramic shaped bodies including a preheating zone, a firing zone and a cooling zone. Arranged in the preheating zone is a recovery circuit composed of a decomposition product receiving part and a discharge port for discharging the... | 08/15/1989 |
| 4830608 | Baking oven for printed circuit substrates An oven is provided for baking a substrate having a printed circuit obtained by depositing on an insulating substrate, by silk screen printing, an insulating or resistive ink comprising an organic material which forms a temporary binder of this ink, which... | 05/16/1989 |
