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Class Information
Number: 164/253
Name: Metal founding > Means to apply vacuum directly to work or to hold or manipulate shaping means
Description: Apparatus combined with means for (1) exhausting or partially exhausting air or other gas from the work material, (2) directly applying a vacuum or suction to work material either in a melting furnace, material receptacle, or before, during or after charging of the work material into a shaping member, or (3) applying vacuum or suction to the apparatus or portions thereof for positioning, retaining or aligning of parts.

Sub-classes under this class:

Class Number Class Name Patents
164/254 Means applying vacuum or suction directly to molten casting material 50

Patents under this class:
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Patent Number Title Of Patent Date Issued
8459331 Vacuum mold Jun. 11, 2013
8336600 Casting device Dec. 25, 2012
8302656 Method of casting Nov. 6, 2012
8069902 Aluminum alloy vacuum casting equipment Dec. 6, 2011
7275583 Apparatus for processing molten material Oct. 2, 2007
7104308 Vacuum casting die Sep. 12, 2006
6997231 Method for vacuum diecasting and diecasting mould Feb. 14, 2006
6513569 Vacuum valve for die casting machine Feb. 4, 2003
6415849 How to avoid contact between oxygen and molten metal Jul. 9, 2002
6308766 Process for die-casting light-weight metals Oct. 30, 2001
6206083 Strip casting device Mar. 27, 2001
6202733 Apparatus and method of forming battery parts Mar. 20, 2001
6176294 Die-casting method Jan. 23, 2001
6148902 Multiple die casting machines with single vacuum source Nov. 21, 2000
6125911 Method and apparatus for manufacturing die-castings Oct. 3, 2000
5586596 Die cast vent block Dec. 24, 1996
5540272 Die cast vacuum valve Jul. 30, 1996
5538069 Die cast vacuum valve Jul. 23, 1996
5531262 Bulk lubricant delivery unit for a die caster Jul. 2, 1996
5392841 Mounting expendable core in die cast die Feb. 28, 1995
5314002 Vacuum valve apparatus for die casting May. 24, 1994
5203396 Vacuum valve for die casting Apr. 20, 1993
5199480 Sealed shot sleeve for vacuum die casting Apr. 6, 1993
5183096 Method and apparatus for single die composite production Feb. 2, 1993
5069269 Lifting and turning unit for a melting and/or casting plant Dec. 3, 1991
5062470 Method and apparatus for treating gaseous material from evaporative pattern casting Nov. 5, 1991
4969505 Vacuum bore chill for lost foam casting Nov. 13, 1990
4871010 Vertical injection apparatus for die casting machine Oct. 3, 1989
4848440 Mold core setter with improved vacuum system Jul. 18, 1989
4844142 Lost foam sand casting apparatus Jul. 4, 1989
4726415 Apparatus for producing compound material Feb. 23, 1988
4724895 Fume control in strand casting of free machining steel Feb. 16, 1988
4714104 Method of continuously casting a metal and an apparatus for continuously casting the same Dec. 22, 1987
4627482 Arc-furnace for the production of small investment castings of reactive or refractory metals such as titanium Dec. 9, 1986
4620586 Method and apparatus for reclaiming foundry sand Nov. 4, 1986
4614218 Vacuum belt hugger for casting of ribbon Sep. 30, 1986
4597431 Melting and pressure casting device Jul. 1, 1986
4592411 Method of and apparatus for continuously casting metal filament in a vacuum Jun. 3, 1986
4590982 Automatic core setting machine May. 27, 1986
4577670 Vacuum control system for casting machine dies Mar. 25, 1986
4573520 Apparatus for rapid tempering a metal or alloy on a moving belt Mar. 4, 1986
4559992 Continuous vacuum casting and extraction device Dec. 24, 1985
4541475 Method of, and apparatus for, producing castings in a vacuum Sep. 17, 1985
4527609 Continuous casting plant for continuously casting a metal melt Jul. 9, 1985
4520859 Apparatus for rapid solidification of thin metallic strips on a continuously moving substrate Jun. 4, 1985
4467857 Casting apparatus Aug. 28, 1984
4431047 Gas-venting arrangement incorporated with a mold Feb. 14, 1984
4421152 Apparatus for precision casting Dec. 20, 1983
4240497 Vacuum metal die-casting apparatus Dec. 23, 1980
4179045 Liquid transferring device Dec. 18, 1979

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