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| Number | Title | Issue Date |
| 8066053 | 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... | 11/29/2011 |
| 7641746 | Integrated metal processing facility An integrated metal processing facility in which molten metal is poured into a series of molds at a pouring station to form metal castings, which are then transferred to a heat treatment line. Prior to introduction of the castings into a heat treatment station of th... | 01/05/2010 |
| 7438119 | System for heat treating castings and reclaiming sand A system for reclaiming sand from a casting process includes a chamber having an inlet, an outlet, and a plurality of baffles defining a circuitous path for the sand therebetween, a heating element for providing heat to the chamber, and a fluidizing distributor for ... | 10/21/2008 |
| 7338629 | Integrated metal processing facility A system and method for forming and heat treating a metal casting are provided. ... | 03/04/2008 |
| 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 |
| 7290583 | 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 ... | 11/06/2007 |
| 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 |
| 7273015 | Method and apparatus for combustion of residual carbon in fly ash A system for combustion and removal of residual carbon within fly ash particles in which the fly ash particles are fed into an array of process units for combustion. The fly ash particles are subjected to heat and motive air such that as the fly ash particles pass t... | 09/25/2007 |
| 7258755 | Integrated metal processing facility An integrated metal processing facility in which molten metal is poured into a series of molds at a pouring station to form metal castings, which are then transferred to a heat treatment line. Prior to introduction of the castings into a heat treatment station of th... | 08/21/2007 |
| 7252134 | Method and apparatus for removal of flashing and blockages from a casting Various systems and apparatuses for processing a metal casting are provided. ... | 08/07/2007 |
| 7047894 | Method and apparatus for combustion of residual carbon in fly ash A system for combustion and removal of residual carbon within fly ash particles in which the fly ash particles are fed into an array of process units for combustion. The fly ash particles are subjected to heat and motive air such that as the fly ash particles pass t... | 05/23/2006 |
| 6910522 | 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 ... | 06/28/2005 |
| 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 |
| 6672367 | 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... | 01/06/2004 |
| 6588487 | Methods and apparatus for utilization of chills for casting Disclosed is both a process and apparatus for forming a molded article. The molded article is formed in a vertically potted flaskless mold. The flaskless mold is closed having an opening in the top portion that receives a chill for directing the cooling o... | 07/08/2003 |
| 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 |
| 6457425 | Method and apparatus for combustion of residual carbon in fly ash A system for combustion and removal of residual carbon within fly ash particles in which the fly ash particles are fed into a particulate bed within a reactor chamber. The fly ash particles are subjected to heat and motive air such that as the fly ash par... | 10/01/2002 |
| 6336809 | 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... | 01/08/2002 |
| 6217317 | 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... | 04/17/2001 |
| 5957188 | Integrated system and process for heat treating castings and reclaiming sand Provided is a five-in-one process/integrated furnace system that (i) receives and heat treats a casting, (ii) removes sand core materials from the casting, (iii) actively reclaims sand from the sand core materials, (iv) substantially cools the reclaimed s... | 09/28/1999 |
| 5850866 | Heat treatment of metal castings and in-furnace sand reclamation The method and apparatus for reclaiming substantially pure sand from a heat treating furnace; wherein a casting with sand core and/or sand mold, comprising sand bound by a combustible binder, attached thereto is introduced into the heat treating furnace; ... | 12/22/1998 |
| 5829509 | Integrated system and process for heat treating castings and reclaiming sand Provided is a five-in-one process/integrated furnace system that (i) receives and heat treats a casting, (ii) removes sand core materials from the casting, (iii) actively reclaims sand from the sand core materials, (iv) substantially cools the reclaimed s... | 11/03/1998 |
| 5738162 | Terraced fluidized bed Provided is a process/integrated furnace system that (i) receives and heat treats a casting, (ii) removes sand core materials from the casting, and (iii) actively reclaims sand from the sand core materials. The furnace system includes a heating chamber th... | 04/14/1998 |
| 5565046 | Heat treatment of metal castings and integrated sand reclamation The method and apparatus for reclaiming substantially pure sand from a heat treating furnace; wherein a casting with sand core and/or sand mold, comprising sand bound by a combustible binder, attached thereto is introduced into the heat treating furnace; ... | 10/15/1996 |
| 5551998 | Method and apparatus for heat treating metal castings An improved method and apparatus for heat treating metal castings with sand cores provides for removal of the sand core and recovery of the sand core material for reuse. The method and apparatus eliminate the need for removing the sand core from the casti... | 09/03/1996 |
| 5531423 | Method and apparatus for heat treating metal castings An improved method and apparatus for heat treating metal castings with sand cores provides for removal of the sand core and recovery of the sand core material for reuse. The method and apparatus eliminate the need for removing the sand core from the casti... | 07/02/1996 |
| 5439045 | Method of heat treating metal castings, removing cores, and incinerating waste gasses Waste gasses generated in the process of manufacturing cores and castings are collected and inventively routed to a heat treating furnace for incineration. Additionally, as a portion of the waste gas is being routed, it is put to use in the reclaiming of ... | 08/08/1995 |
| 5354038 | Heat treatment of metal castings and in-furnace sand reclamation The method and apparatus for reclaiming substantially pure sand from a heat treating furnace; wherein a casting with sand core and/or sand mold, comprising sand bound by a combustible binder, attached thereto is introduced into the heat treating furnace; ... | 10/11/1994 |
| 5350160 | Method and apparatus for heat treating metal castings An improved method and apparatus for heat treating metal castings with sand cores provides for removal of the sand core and recovery of the sand core material for reuse. The method and apparatus eliminate the need for removing the sand core from the casti... | 09/27/1994 |
| 5294094 | Method and apparatus for heat treating metal castings An improved method and apparatus for heat treating metal castings with sand cores provides for removal of the sand core and recovery of the sand core material for reuse. The method and apparatus eliminate the need for removing the sand core from the casti... | 03/15/1994 |
