Clamping apparatus and molding machine

Details Clamping apparatus and molding machine Clamping apparatus and molding machine

2006-05-19

2008-09-30

Mackey, James (Department: 1791)

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For extrusion or injection type shaping means

C425S19200R, C425S589000, C425S451300, C164S312000, C164S341000, C164S342000

Reexamination Certificate

active

07429169

ABSTRACT:
A clamping apparatus having a simple configuration and capable of opening and closing dies and clamping the dies, which includes a base frame; a fixed die plate; a movable die plate; a rack fixed with respect to the base frame and extending in a die opening and closing direction; a pinion pivotally supported by the movable die plate and meshing with the rack; a motor provided in the movable die plate, driving and rotating the pinion, and moving the movable die plate toward the die opening and closing direction; a tie bar having a jointed portion; a joint portion provided on the movable die plate and capable of engaging and disengaging the jointed portion of the tie bar; and a clamping cylinder provided on the fixed die plate and imparting tension to the tie bar with the joint portion and the jointed portion jointed to generate clamping force.

REFERENCES:
patent: 5542465 (1996-08-01), Wolniak
patent: 6120722 (2000-09-01), Schad
patent: 7186106 (2007-03-01), Kato et al.
patent: 2003/0020194 (2003-01-01), Di Dio et al.
patent: 2003/0217829 (2003-11-01), Baron et al.
patent: 3-215 (1991-01-01), None
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patent: 2004-255386 (2004-09-01), None
patent: 2004-330552 (2004-11-01), None
patent: 2005-118793 (2005-05-01), None
patent: WO 2004/041509 (2004-05-01), None

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