Molding-system platen actuator

Details Molding-system platen actuator Molding-system platen actuator

2006-05-23

2008-11-11

Mackey, James (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

Shaping against forming surface

C164S137000, C164S343000, C425S441000, C425S451700, C425S589000

Reexamination Certificate

active

07449139

ABSTRACT:
Disclosed is a molding-system platen actuator, including: (a) a platen-stroke actuator including: an electrical actuator, and a guide bushing being connected with the electrical actuator; and (b) a mold-break actuator being in-line with the platen-stroke actuator, the mold-break actuator including: a hydraulic actuator having: a piston being strokable along an in-line housing, and air pressure being generatable between the piston and the guide bushing, and the air pressure being useable to push the piston backwardly.

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