Plastic article or earthenware shaping or treating: apparatus – With indicator – signal – recorder – illuminator – or inspection... – For determining – observing – or recording position of...
Reexamination Certificate
2005-09-20
2005-09-20
Mackey, James P. (Department: 1722)
Plastic article or earthenware shaping or treating: apparatus
With indicator, signal, recorder, illuminator, or inspection...
For determining, observing, or recording position of...
C425S190000, C425S595000
Reexamination Certificate
active
06945765
ABSTRACT:
The clamping comprises a tie-bar which extends between a fixed and a movable platen of a molding machine, with respect to the first, and hydraulically operated locking means for engaging the tie bar and generating the clamping force. The locking means comprises a hydraulic cylinder having a hollow sleeve and piston provided with internal toothings, in axially spaced apart positions. The sleeve and piston unit is made to rotate and slide axially, to selectively engage and disengage with the toothed head at the end of the tie bar to allow step and fine adjustments of the position of the movable platen, in relation to the thickness of the mold.
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Mackey James P.
Sandretto Industrie S.p.A.
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