Patents
Patents for B22C 5 - Machines or devices specially designed for dressing or handling the mould material so far as specially adapted for that purpose (2,031)
08/2002
08/07/2002CN1362301A Oil sand regenerating machine
07/2002
07/31/2002EP1225993A1 Heat treatment and sand removal for castings
07/31/2002EP1225991A1 Method for conditioning foundry moulding sand and a device therefor
07/24/2002CN1360528A Method and device for separating casting material from poured green sand mold
07/17/2002EP1222978A2 A method for making sand covered with bentonite, the sand, and a method for recycling molding sand for a mold using the sand covered by bentonite
07/03/2002EP1218126A1 Casting method and apparatus
06/2002
06/11/2002US6401798 Rotating drum for reclaiming molding sand and molding sand reclaiming apparatus
06/04/2002US6399032 Diaphrams of ceramic combustion and cooling chambers permeable to gas but not sand; fluidised state; maintaining equilibrium between chambers; wear resistance; low maintenance
05/2002
05/16/2002US20020058224 Combination conduction/convection furnace
05/16/2002DE10143793A1 Hydrolysis of organic substances from waste plastics, plants or animal materials for production of liquid or gaseous fuel, involves cleavage of carbon-carbon bonds with supercritical water vapor
05/15/2002EP1205270A1 Method and device for collapsing and separating mold material and mold green sand from green sand mold
05/07/2002US6383263 Separation of solid particles fro turbulent high teperature gas streams
04/2002
04/09/2002US6367959 Method and apparatus for blending water with sand
02/2002
02/21/2002DE10038419A1 Method for regenerating foundry sand bound to waterglass comprises mechanical pretreatment of the foundry sand, the addition of water, movement of the pulp by external forces
02/13/2002CN2476369Y Large fluted disc type wet pan
02/05/2002CA2161897C A method of improving the properties of reclaimed sand used for the production of foundry moulds and cores
01/2002
01/09/2002CN1330762A Combination conduction/convection furnace
01/08/2002US6336809 Combination conduction/convection furnace
01/03/2002DE10030675A1 Verfahren und Vorrichtung zur Aufbereitung von Formsand Method and apparatus for the preparation of molding sand
12/2001
12/27/2001WO2001098001A1 Method and device for the preparation of foundry sand
12/20/2001DE10029217A1 Process for de-dusting of molding or core sand comprises pouring sand into sifting boiler, passing air through intermediate base, circulating, separating dust from sand charge, removing carrier air charged with dust and filtering out
12/12/2001EP1141644A4 Combination conduction/convection furnace
12/06/2001DE10025815A1 Apparatus for the recovery of sand from nodules formed during casting of metal parts in a mold comprises a charging box which can be removed from the transporting device for material as complete part after braking
11/2001
11/20/2001US6318447 Sand gate for use in a sand distribution apparatus
10/2001
10/18/2001WO2001076790A1 Improved sand gate for use in a sand distribution apparatus
10/10/2001EP1141644A1 Combination conduction/convection furnace
10/03/2001CN2451266Y Horizontal stirring sand muller
09/2001
09/11/2001US6286580 Attrition of used sand from a resole phenol-formaldehyde resin binder, adding a carbohydrate before combustion
09/07/2001WO2001064371A1 Collected sand processing method
09/06/2001DE10106115A1 Hydrolysis of organic materials with supercritical steam, used e.g. to process fats, proteins and carbohydrates for preparation of high-value nutrients
09/05/2001CN1311432A Fast testing method and device for compact rate of molding sand
08/2001
08/29/2001CN2444679Y Pressing and cut-off device for cast-iron melting material
08/23/2001US20010015515 Heat treatment of metal castings and in-furnace sand reclamation
08/22/2001EP1125627A2 Apparatus for blending water with sand
08/16/2001EP0949978B1 Sand reclamation
08/14/2001US6272932 Method and apparatus for adjusting casting sand using the optimum compactibility
08/02/2001WO2001054845A1 Method and device for collapsing and separating mold material and mold green sand from green sand mold
07/2001
07/11/2001CN1068260C Sand reclaiming drum with media recycler
07/03/2001US6253830 Apparatus and method for sand core debonding and heat treating metal castings
06/2001
06/28/2001DE19635452C2 Verfahren und zugehörige Vorrichtung zum Optimieren der Aufbereitungsleistung von Mischern für Schüttgüter mit Wasserzugabe Method and associated apparatus for optimizing the processing power of mixers for solids with water addition
06/07/2001DE19958591A1 Processing and transporting sand in casting plant comprises transporting sand between plant parts in containers having sand volume for at least one casting mold
04/2001
04/18/2001EP1092491A1 Method for separating green sand mold and as-cast product and apparatus therefor
04/18/2001CN1064568C Cast sand earation apparatus
04/17/2001US6217317 Combination conduction/convection furnace
04/17/2001US6216940 Pipe forming roll apparatus and method
03/2001
03/29/2001WO2001021341A1 Method for conditioning foundry moulding sand and a device therefor
03/29/2001DE19945569A1 Verfahren zur Aufbereitung von Gießereiformsand und Vorrichtung hierfür A process for the preparation of foundry molding sand and apparatus therefor
03/02/2001CA2281295A1 Pipe forming roll apparatus and method
02/2001
02/08/2001WO2001008836A1 Heat treatment and sand removal for castings
01/2001
01/30/2001US6179171 Sand distribution apparatus for use in foundry operation
01/25/2001WO2001005538A1 Method and device for separating casting material from poured green sand mold
01/18/2001DE19923675C1 Equipment reprocessing used foundry sand, employs controlled batch processing regime enabling single mixer-cooler to carry out both pre- and final treatments
01/11/2001WO2001002113A1 Casting method and apparatus
01/03/2001CN2412680Y Heat flow sand reclaiming machine
12/2000
12/14/2000WO2000074874A1 Sand distribution apparatus for use in foundry operation
12/07/2000WO2000036354A9 Combination conduction/convection furnace
11/2000
11/29/2000CN1274627A Used sand regenerating machine
11/02/2000EP1047486A1 Method and device for separating solid particles present in a gas stream
11/02/2000DE19925720C1 Used foundry sand regeneration process comprises batch or discontinuous sand cooling and-or moistening and binder addition in a mixing chamber before intermediate storage
11/02/2000DE19919039A1 Foundry sand treatment equipment, especially for improving the reusability and workability of used and new foundry sands, comprises horizontal driven shafts with contact disks turning in fluidized sand
10/2000
10/18/2000CN2401293Y Rotary stock bin
10/12/2000WO2000059659A1 Method for separating green sand mold and as-cast product and apparatus therefor
10/10/2000CA2030568C Method for the regenerative treatment of mainly clay-bound foundry old sand
09/2000
09/19/2000US6120284 Reclaiming foundry sand by gravity flow system
08/2000
08/31/2000DE19900946C1 Used foundry sand is recycled by fluidized bed magnetic separation of iron from the cleaned sand before processing to glass fibers useful for sound and heat insulation, electrical insulation, fireproofing or fiber-reinforcement
08/30/2000CN1264630A Method and appts. for reprocessing molding sand
08/09/2000EP1025926A2 Method and apparatus for reclaiming casting sand
08/09/2000CN2390718Y Filtering spraying water cooler for continuous casting machine
06/2000
06/28/2000CN2384705Y Thermal cyclone old sand re-generation machine
06/22/2000WO2000036354A1 Combination conduction/convection furnace
06/21/2000EP1010484A2 Combination conduction/convection furnace
06/14/2000EP1008405A1 Molding sand reclaiming apparatus
06/06/2000CA2143743C Reclamation of ester-cured phenolic resin bonded foundry sands
05/2000
05/18/2000WO2000027501A1 Method and device for separating solid particles present in a gas stream
05/02/2000US6056042 Method of restoring used molding sand
03/2000
03/29/2000CN2370980Y Screw vibration used sand regenerator
03/29/2000CN1050785C Systems and processes for pyrolyzing contaminants on foundry sand and combusting the resulting gas
03/28/2000US6041632 Pipe forming roll apparatus and method
03/22/2000CN2369753Y Discharging door of sand mixing machine
03/22/2000CN1050544C Method and apparatus for recycling sand
03/22/2000CN1050543C Method and apparatus for adjusting gasting sand using optimum compactibility
02/2000
02/29/2000US6030111 Method of and system for recycling molding sand
02/16/2000EP0979694A1 A plant for continuously regenerating foundry sand and associated method
02/16/2000CN1244824A Sand reclamation
02/16/2000CN1049377C Non-toxic air-blowing hardening core-making method
02/10/2000WO2000006313A1 New products and methods using foundry dust
02/01/2000US6019157 Method of regenerating foundry sand
01/2000
01/25/2000US6017387 Green molding sand by kneading silica sand, clay, and water, so that each of the particles has a core part of silica sand and outer layer of clay and water, in between part has water, drying outer part retaining deeper part in moist state
01/20/2000DE19831925A1 Method and apparatus for separating fractions of old foundry sand, with the sand fed into a vibratory conveyor which is ventilated by an air stream entering through the conveyor bottom taking the form of a sinter metal sieve
01/18/2000US6015846 Method of improving the properties of reclaimed sand used for the production of foundry moulds and cores
01/12/2000EP0762945B1 Composition comprising reclaimed sand used for the production of foundry moulds and cores, method of manufacture of the composition, method of production of foundry moulds or cores
12/1999
12/14/1999US6000644 Method and apparatus for reclaiming foundry sand
12/07/1999US5996678 Apparatus for making mold
11/1999
11/30/1999US5992499 Method for cold reclamation of foundry sand containing clay
11/10/1999EP0954398A1 Sand core removal and casting heat treatment
10/1999
10/20/1999EP0949978A2 Sand reclamation
10/19/1999US5967654 Core sand preparation apparatus
10/19/1999US5967222 Vibratory sand reclamation system
09/1999
09/28/1999US5957188 Integrated system and process for heat treating castings and reclaiming sand
09/16/1999DE19811112A1 Apparatus and method for mixing a quick-hardening embedding mass for production of molds for metal casting
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