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Class Information
Number: 164/345
Name: Metal founding > Means to shape metallic material > Including means to eject or separate product from shaping surface > Means to remove core
Description: Apparatus having means for separating a core from the cast product.

Sub-classes under this class:

Class Number Class Name Patents
164/346 Sectional or plural part core 13

Patents under this class:

Patent Number Title Of Patent Date Issued
8327916 Low pressure cylinder head outer die components for core gas removal Dec. 11, 2012
8186419 Method and system for internal cleaning of complex castings May. 29, 2012
8082973 Method and device for core pulling and insertion in synchronization with the opening and closing of the mold Dec. 27, 2011
7882884 Method for casting core removal Feb. 8, 2011
7712513 System and method for controlling casting shakeout retention May. 11, 2010
7493935 Cylinder device for screw core removal Feb. 24, 2009
7243700 Method for casting core removal Jul. 17, 2007
7240718 Method for casting core removal Jul. 10, 2007
6910522 Methods and apparatus for heat treatment and sand removal for castings Jun. 28, 2005
6808006 Die-casting systems and machines and methods for withdrawing cores in die-casting systems and machines Oct. 26, 2004
6739380 Method and apparatus for removing ceramic material from cast components May. 25, 2004
6681835 Method and apparatus for manufacturing supercharger rotor Jan. 27, 2004
6672367 Methods and apparatus for heat treatment and sand removal for castings Jan. 6, 2004
6644382 Casting sand shake-out method and its apparatus Nov. 11, 2003
6546993 Method for producing a box piston Apr. 15, 2003
6467529 Apparatus for removal of sand from metal castings Oct. 22, 2002
6425436 Sand core breaking apparatus Jul. 30, 2002
6415848 Metal mold arrangement for producing cylinder block Jul. 9, 2002
6397923 Pipe core clean out system Jun. 4, 2002
5980818 Melt tank assembly Nov. 9, 1999
5915452 Apparatus for removing cores from castings Jun. 29, 1999
5758713 Device for decoring cores of castings Jun. 2, 1998
5427171 Method and apparatus for casting vehicle wheels having lightener pockets Jun. 27, 1995
5368089 Device for cooling molten material Nov. 29, 1994
5213150 Core knock-out fixture May. 25, 1993
4958676 Die casting apparatus for casting articles with an internally threaded bore Sep. 25, 1990
4718473 Vibratory stress relief apparatus Jan. 12, 1988
4662425 Vibratory part scrubber and method May. 5, 1987
4577671 Casting decoring device Mar. 25, 1986
4416322 Moulding machine, more especially a chill moulding machine comprising a framework and at least one core extraction jack mounted on a bearing element movable on the framework Nov. 22, 1983
4240498 Die casting machine for forming internally-threaded articles Dec. 23, 1980
4206801 Sand-seal for rotary acoustic sand-core shakeout Jun. 10, 1980
4206800 Rotary acoustic sand-core shakeout Jun. 10, 1980
4139176 Mold, for screw-threaded articles Feb. 13, 1979
4130264 Expandable core for injection molding Dec. 19, 1978
3946483 Apparatus for and method of removing a flexible tubular conduit from around an associated elongated rigid supporting mandrel Mar. 30, 1976
3941184 Apparatus for manufacturing seamless metal tubular products Mar. 2, 1976
3940102 Apparatus for removing core during refractory material fusion casting Feb. 24, 1976

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