| Patents for B22D 31 - Cutting-off surplus material after casting, e.g. gates (1,067) |
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| 03/21/1990 | EP0358740A1 Process and arrangement for removing sprues from castings |
| 11/09/1989 | DE3834995A1 Method and apparatus for deburring castings |
| 11/08/1989 | EP0341179A1 Casting provided with a destructible part |
| 10/17/1989 | US4874596 Production of crystalline structures |
| 10/12/1989 | DE3837405A1 Device for removing feeders |
| 10/04/1989 | CN1035969A Apparatus for cooling and stripping objects cast in sand moulds |
| 09/21/1989 | WO1989008523A1 Process and arrangement for removing sprues from castings |
| 08/24/1989 | WO1989007500A1 Device for finishing cast iron |
| 08/23/1989 | EP0161260B1 Method for the abrasive treatment of a casting |
| 08/16/1989 | EP0327611A1 Process for determining the quantity of an explosive gas mixture to be introduced into a chamber for processing materials |
| 08/09/1989 | EP0326876A2 An apparatus for cooling and stripping objects cast in sand moulds |
| 07/12/1989 | EP0216828B1 Device for the treatment of work pieces |
| 04/13/1989 | DE3733648A1 Apparatus for handling a mixture of materials, especially for cleaning and cooling cast metal to which moulding sand is adhering |
| 02/23/1989 | WO1989001377A1 Process for determining the quantity of an explosive gas mixture to be introduced into a chamber for processing materials |
| 02/08/1989 | EP0302388A2 Device for removing feeder heads and runners from a cast piece |
| 01/11/1989 | EP0298093A1 Gate breaker |
| 11/02/1988 | EP0289175A2 Degating technique for clustered castings made by ECP |
| 10/19/1988 | EP0286916A2 Method for compaction of inside blowholes of castings |
| 09/27/1988 | US4773941 Method and device for washing porous workpieces in an impregnation process |
| 08/10/1988 | EP0216809B1 Gas feeding device to admit a combustible gas mixture consisting of at least two components |
| 08/02/1988 | US4760630 Thermal deburring system |
| 08/02/1988 | CA1239852A1 Method of reducing the pore density in a casting |
| 07/28/1988 | WO1988005354A1 Gate breaker |
| 06/09/1988 | DE3739031A1 Method for casting self-ventilating brake discs |
| 04/28/1988 | DE3734318A1 Device for removing excess material |
| 04/26/1988 | US4740152 Mixing block for mixing a combustible gas mixture |
| 04/06/1988 | EP0208702B1 Block for mixing a combustible gas mixture |
| 02/16/1988 | US4724889 Degating technique for clustered castings made by ECP |
| 01/26/1988 | US4721458 Gas feeding device for feeding a combustible gas mixture consisting of at least two components |
| 01/12/1988 | US4718473 Vibratory stress relief apparatus |
| 01/07/1988 | EP0200775B1 Punching device |
| 07/29/1987 | EP0147412B1 Installation for the treatment of workpieces with an explosive gas mixture, particularly a thermal deburring installation |
| 07/15/1987 | EP0228974A1 Device for removal of feeder heads from castings |
| 06/25/1987 | DE3637367A1 Device for removing the core sand from castings |
| 06/23/1987 | US4674691 Cast iron/ |
| 05/19/1987 | US4665785 Trim press |
| 05/05/1987 | US4662425 Vibratory part scrubber and method |
| 04/29/1987 | EP0219869A2 Dual sand reclaimer |
| 04/08/1987 | EP0216828A1 Device for the treatment of work pieces. |
| 04/08/1987 | EP0216809A1 Gas feeding device to admit a combustible gas mixture consisting of at least two components. |
| 03/26/1987 | DE3533928A1 Apparatus for cleaning workpieces, in particular castings |
| 02/17/1987 | US4643243 Machine for impact cleaning casting |
| 01/21/1987 | EP0208702A1 Block for mixing a combustible gas mixture. |
| 01/15/1987 | DE3524135A1 Device for removing sand from castings |
| 12/09/1986 | CA1214916A1 Method and apparatus for removing excess material from sand cores |
| 11/12/1986 | EP0200775A1 Punching device. |
| 11/04/1986 | US4620991 Apparatus for the impregnation of porous articles |
| 10/09/1986 | WO1986005730A1 Device for the treatment of work pieces |
| 10/09/1986 | WO1986005725A1 Gas feeding device to admit a combustible gas mixture consisting of at least two components |
| 10/07/1986 | US4615745 Method of reducing the pore density in a casting |
| 09/03/1986 | EP0047275B1 Impregnation of porous articles |
| 09/02/1986 | US4609031 System for sintering molds and for preparing cast products |
| 08/26/1986 | US4607680 Method and mould for casting metal articles |
| 07/31/1986 | WO1986004276A1 Block for mixing a combustible gas mixture |
| 05/27/1986 | US4591339 Device for treating of work pieces with an explosive gas mixture |
| 05/14/1986 | EP0180935A2 A method of reducing the porosity of a casting |
| 05/09/1986 | WO1986002584A1 Punching device |
| 03/18/1986 | US4576380 Cast metal breaker apparatus |
| 02/26/1986 | EP0172304A2 Apparatus for impregnating porous articles |
| 02/20/1986 | EP0161260A4 Method for the abrasive treatment of a casting. |
| 12/31/1985 | CA1198727A1 Riser removal device |
| 12/24/1985 | US4560070 Device for separation of sprues from molded pieces of different shapes and sizes |
| 12/03/1985 | US4556096 Preheating powder compact having interconnecting bridging at lower temperature than solidification temperature of melt |
| 11/21/1985 | EP0161260A1 Method for the abrasive treatment of a casting. |
| 08/20/1985 | USRE31972 Casting mold with constricting device |
| 08/07/1985 | EP0151050A2 Apparatus for the impregnation of porous articles |
| 07/10/1985 | EP0147412A1 Installation for the treatment of workpieces with an explosive gas mixture, particularly a thermal deburring installation. |
| 07/09/1985 | US4527747 Method and vibratory chute for treating goods |
| 05/28/1985 | US4520045 Prevents dragging of air into sealant |
| 05/23/1985 | WO1985002136A1 Vibratory part scrubber and method |
| 05/14/1985 | US4516621 Mould assembly for casting metal articles |
| 05/08/1985 | EP0140511A1 Method and apparatus for removing excess material from sand cores |
| 03/05/1985 | US4502808 Liner segments retention means |
| 02/26/1985 | US4501313 Transport unit for castings |
| 02/05/1985 | CA1182072A1 Apparatus for separating castings into necessary and unnecessary pieces |
| 01/23/1985 | EP0131800A1 Installation for the treatment of work pieces with an explosive gas mixture, especially a thermal flash trimming system |
| 01/22/1985 | US4494297 Method of producing castings with means to facilitate burr removal |
| 12/06/1984 | WO1984004715A1 Installation for the treatment of workpieces with an explosive gas mixture, particularly a thermal deburring installation |
| 10/30/1984 | US4479986 Impregnation of metal castings |
| 09/26/1984 | EP0119365A1 Method of producing pieces of aluminium or aluminium alloy |
| 07/04/1984 | EP0028653B1 Tubular cast piece inner surface working apparatus |
| 05/29/1984 | CA1168021A1 Method and apparatus for the wet desanding and cleaning of cast pieces |
| 04/18/1984 | EP0105431A1 An improved device for separation of sprues from molded pieces of different shapes and sizes |
| 04/10/1984 | US4441930 Melt of alkali metal hydroxide, metal fluoride and boron compound |
| 04/10/1984 | CA1165192A1 Impregnation of porous articles |
| 03/13/1984 | CA1163472A1 Method and machine for removing burrs from, or trimming, a socket of a cast-iron pipe |
| 03/06/1984 | US4434923 Apparatus for separating castings into necessary and unnecessary pieces |
| 02/07/1984 | US4429445 Machine for removing burrs from pipe |
| 12/07/1983 | EP0095829A1 Method and apparatus for de-finning metal castings |
| 11/09/1983 | EP0036860B1 Fettling chamber for thermal fettling |
| 11/08/1983 | CA1156422A1 Process for separating mold sand residues from castings |
| 10/25/1983 | US4411709 Method for manufacturing aluminum alloy casting |
| 10/18/1983 | US4409716 Method and apparatus for producing a cast wheel body |
| 09/06/1983 | US4402443 Riser removal device |
| 08/31/1983 | EP0086868A1 Method and vibratory conveyor for treating materials |
| 07/19/1983 | US4394007 Deburring chamber for thermal deburring |
| 06/29/1983 | EP0082283A1 Means of transport for castings |
| 05/31/1983 | US4385880 Shock wave processing apparatus |
| 05/17/1983 | US4384014 Impregnation of porous articles |
| 04/27/1983 | EP0077511A1 Process and device for separating castings and moulding sand |