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| Patents for B22C 13 - Moulding machines for making moulds or cores of particular shapes (419) |
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| 10/09/1979 | CA1063772A1 Method and apparatus for producing one or more hollow sand cores suitable for casting moulds | | 04/24/1979 | CA1052959A1 Rotational molding machine | | 03/27/1979 | US4146466 For use in casting molds | | 03/13/1979 | US4143700 Angled molding machine | | 01/16/1979 | US4135030 From tungstic acid | | 01/09/1979 | US4133368 Single crystal casting mold and method for making same | | 12/12/1978 | US4129171 Installation for handling socket cores for a centrifugal casting machine | | 12/12/1978 | US4129169 Apparatus for making shells from thermosetting liquid compounds | | 08/15/1978 | US4106291 Core machine having hydrostatic drive | | 08/01/1978 | US4104347 Method of making a sand mold | | 04/04/1978 | US4082134 Combined sand core machine | | 01/10/1978 | US4067380 Making foundry moulds | | 11/22/1977 | US4059144 Apparatus for forming shell molds | | 09/13/1977 | US4047882 Burning method of ceramic shell mold for precision casting | | 11/02/1976 | US3989087 Making foundry moulds | | 10/05/1976 | US3983922 Hollow foundry core moulding apparatus | | 02/24/1976 | US3939899 Shell molding machine in which blown core can be ejected outside vise assembly | | 02/17/1976 | US3938585 Grid ejection mechanism for a battery grid casting machine | | 01/06/1976 | US3930462 Slurry dip tank |
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