Universal mold vacuum system

Details Universal mold vacuum system Universal mold vacuum system

2007-01-02

2007-01-02

Paladini, Albert W. (Department: 2125)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Product assembly or manufacturing

C700S197000, C700S201000, C700S204000

Reexamination Certificate

active

11185631

ABSTRACT:
A controller for a mold vacuum unit uses a programmable logic controller to provide flexible translation of pre-existing signals present on the injection-molding machine avoiding the need for modification of that machine by the addition of limit switches or the like. Simple adjustment of real time of time delays is provided by the integration of two self-contained timer units working in conjunction with the fixed programming of the programmable logic controller. Removable memories for the programmable logic controller allow the vacuum unit to be used with a variety of different injection-molding machines.

REFERENCES:
patent: 6108587 (2000-08-01), Shearer et al.
patent: 6367765 (2002-04-01), Wieder
patent: 6645417 (2003-11-01), Grove
patent: 6684264 (2004-01-01), Choi
patent: 7013196 (2006-03-01), Magario et al.
patent: 2004/0093114 (2004-05-01), Magario et al.

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