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Class Information
Number: 164/314
Name: Metal founding > Means to shape metallic material > Pressure shaping means > Injection type > Piston-cylinder charger > Hydraulic piston pressure means
Description: Apparatus wherein the piston is operated by liquid pressure.

Sub-classes under this class:

Class Number Class Name Patents
164/315 Having multi-way valve control unit 13

Patents under this class:

Patent Number Title Of Patent Date Issued
7686067 Die casting machine Mar. 30, 2010
7316259 Diecasting machine Jan. 8, 2008
7104308 Vacuum casting die Sep. 12, 2006
7036553 Die-casting device May. 2, 2006
7017649 Die casting machine and casting method Mar. 28, 2006
6904951 Casting device for metal products Jun. 14, 2005
6663813 Method for cooling molded articles Dec. 16, 2003
6629558 Die-casting machine Oct. 7, 2003
6311761 Plunger tip for die casting apparatus Nov. 6, 2001
6257117 Cylinder apparatus Jul. 10, 2001
6230786 Automatic molten metal supply and injection device May. 15, 2001
5887643 Conductor casting apparatus for a squirrel-cage rotor of an induction motor Mar. 30, 1999
5853041 Die casting device Dec. 29, 1998
5660223 Vertical die casting press with indexing shot sleeves Aug. 26, 1997
5630463 Variable volume die casting shot sleeve May. 20, 1997
5207264 Vertical die casting machine May. 4, 1993
5205339 Die-casting machine Apr. 27, 1993
5127467 Method and apparatus for automatically supplying molten metal for die casting machine Jul. 7, 1992
5048592 Plunger for a diecasting machine Sep. 17, 1991
4955426 Pressing mechanism for casting apparatus Sep. 11, 1990
4899804 Plunger tip for cold chamber die cast machine Feb. 13, 1990
4860818 Die casting apparatus Aug. 29, 1989
4842039 Self-aligning plunger tip Jun. 27, 1989
4836267 Vertical die casting method and apparatus Jun. 6, 1989
4799534 Vertical die casting machine Jan. 24, 1989
4667729 Shot tip for cold chamber die casting machine May. 26, 1987
4588551 Article having cast metal portion and sintered metallic portion and method of producing same May. 13, 1986
4530391 Apparatus for the production of die-cast parts with adjustable piston travel length and initial and final positions Jul. 23, 1985
4335778 Apparatus for measuring injection speeds of die casting machines Jun. 22, 1982
4311185 Injection piston for die casting Jan. 19, 1982
4287935 Vertical die casting machine Sep. 8, 1981
4284124 Die casting machine for manufacturing heat resistant impellers Aug. 18, 1981
4252174 Method and apparatus for monitoring the operation of a reciprocating liquid injection unit Feb. 24, 1981
4240497 Vacuum metal die-casting apparatus Dec. 23, 1980
4223718 Molten metal injection device for die casting machine Sep. 23, 1980
4208879 Injection molding machines Jun. 24, 1980
4154286 Installation for die-casting of metal blanks May. 15, 1979
4154288 Injection molding machine having swivel shot tip assembly May. 15, 1979
4147200 Method and apparatus for eliminating entrapped gas in die castings Apr. 3, 1979
4088178 Vertical die casting machines May. 9, 1978
4022269 Die cast machines May. 10, 1977
4019561 Injection apparatus for die cast machines Apr. 26, 1977
4011902 Device for pressure casting Mar. 15, 1977

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