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Class Information
Number: 425/591
Name: Plastic article or earthenware shaping or treating: apparatus > Female mold and charger to supply fluent stock under pressure thereto in fluid-tight relationship (e.g., injection mold, etc.) > With means to close mold > Common fluid pressure closes mold and performs injection
Description: Apparatus including a hydraulic drive means to move the segments into cavity forming position and including a hydraulic drive means to pressurize the fluent stock material and force the material into the shaping cavity, wherein the two hydraulic drive means are subjected to hydraulic pressure from the same source, without an intermediate pressure change means.










Patents under this class:

Patent Number Title Of Patent Date Issued
7938994 Method of controlling an injection molding machine May. 10, 2011
7754132 Method of making a spool seal having a smooth sealing surface Jul. 13, 2010
7168944 Energy efficient extruder drive Jan. 30, 2007
6878317 Injection molding machine, hydraulic actuating mechanism of injection molding machine, and control method therefor Apr. 12, 2005
6689303 Injection molding method using a stacked mold Feb. 10, 2004
4894000 Molding system Jan. 16, 1990
4865537 Mold clamping device Sep. 12, 1989
4690629 Injection molding machine for small-sized articles Sep. 1, 1987
4411615 Injection moulding machine Oct. 25, 1983
4032277 Injection molding machine with hydraulically operated closure device Jun. 28, 1977











 
 
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