Die opening and closing system and die opening and closing...

Details Die opening and closing system and die opening and closing... Die opening and closing system and die opening and closing...

2006-09-22

2008-07-15

Mackey, James (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

With measuring, testing, or inspecting

C164S004100, C164S137000, C164S154100, C164S343000, C425S135000, C425S589000, C425S451700

Reexamination Certificate

active

07399436

ABSTRACT:
A die opening and closing system includes a fixed die plate holding a fixed die, a moveable die plate holding a moveable die able to move in a horizontal die opening and closing direction with respect to said fixed die plate, only one ball-screw feed mechanism moving said moveable die plate in a die opening and closing direction, and only one balance cylinder system reducing a load of said ball-screw feed mechanism and a die opening and closing method related to the same.

REFERENCES:
patent: 5352394 (1994-10-01), Fujita et al.
patent: 5912020 (1999-06-01), Grunitz
patent: 6843647 (2005-01-01), Fujita et al.
patent: 2002-154146 (2002-05-01), None
patent: 2002-225101 (2002-08-01), None
Office Action issued in counterpart Korean Application No. 10-2006-0092604, dated Sep. 20, 2007.

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