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Class Information
Number: 164/315
Name: Metal founding > Means to shape metallic material > Pressure shaping means > Injection type > Piston-cylinder charger > Hydraulic piston pressure means > Having multi-way valve control unit
Description: Apparatus wherein the hydraulic piston is controlled by a single valve having three or more flow lines with an actuator arranged so as to determine the relative order, duration or flow through each of the several flow lines.

Patents under this class:

Patent Number Title Of Patent Date Issued
8307884 Die casting machine Nov. 13, 2012
7934627 Apparatus and method for high pressure extrusion with molten aluminum May. 3, 2011
6450240 Injection control method and device of die-casting machine Sep. 17, 2002
6241003 Injection control method and device of die-casting machine Jun. 5, 2001
6168399 Shot piston for molten plastic material Jan. 2, 2001
5632321 Die casting machine with compound docking/shot cylinder May. 27, 1997
5052468 Method and apparatus for die casting shot control Oct. 1, 1991
4660620 Arrangement for controlling an injection process of a die casting machine Apr. 28, 1987
4497359 Die-casting method Feb. 5, 1985
4330026 Method and device for controlling injection process in cold-chamber die-casting machines May. 18, 1982
4311185 Injection piston for die casting Jan. 19, 1982
4023466 Apparatus for regulating the speed of and the pressure of fluid upon the ram in the injection assembly of an injection molding machine May. 17, 1977
3964537 Method for pressure casting Jun. 22, 1976

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