Molding machine system

Details Molding machine system Molding machine system

2006-09-12

2009-08-25

Heitbrink, Tim (Department: 1791)

Plastic article or earthenware shaping or treating: apparatus

Control means responsive to or actuated by means sensing or...

Temperature control

C264S040600

Reexamination Certificate

active

07578666

ABSTRACT:
Provided is a molding machine system enabling a free setting of execution timings of respective steps in a molding cycle of heating of a mold, injection and pressure holding of a molding material, cooling of the mold, etc. The molding machine system repeating a series of molding cycle comprises three temperature sensors arranged at predetermined places of a mold, a change-over valve unit having a heat medium channel by which heating medium from a heating unit, cooling medium from a cooling unit and pressurized air are changed over to be supplied into and recovered from the mold and a molding control means, provided on the change-over valve unit, having a temperature judging program judging respective detected temperatures of the three temperature sensors to give a judgement result and a timer to give a time set signal. A molding operation control is carried out by combining the judgement result with the time set signal and enables an arbitrary supply control of the heating medium, cooling medium and pressurized air to be supplied into the mold and an arbitrary supply control of the molding material to be supplied into the mold.

REFERENCES:
patent: 5423670 (1995-06-01), Hamel
patent: 5705201 (1998-01-01), Ibar
patent: 2005/0012059 (2005-01-01), Wieder
patent: 2001-018229 (2001-01-01), None
patent: 2005-238456 (2005-09-01), None
International Search Report for PCT/JP2006/318044 mailed Nov. 21, 2006.

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