Interchangeable blow mold parison closing apparatus

Details Interchangeable blow mold parison closing apparatus Interchangeable blow mold parison closing apparatus

2006-09-19

2006-09-19

Davis, Robert B. (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

C029S428000, C425S532000

Reexamination Certificate

active

07108497

ABSTRACT:
The invention provides a blow mold parison closing apparatus having actuators which are interchangeable. The closing apparatus includes an attachment block having a cylinder body mount and holder/guide support, a pinch bar spaced apart from the attachment block, the pinch bar having a cylinder piston mount and holder/guide mount. The closing apparatus also includes a holder/guide slidingly supported by the attachment block and coupled to the pinch bar. The holder/guide is configured to hold a spring between the pinch bar and attachment block and guide the motion of the pinch bar relative to the attachment block. In operation relative motion between said attachment block and pinch bar may be controlled by either a spring or a cylinder each being easily interchangeable.

REFERENCES:
patent: 3311684 (1967-03-01), Heider
patent: 3339232 (1967-09-01), Battenfeld et al.
patent: 5399302 (1995-03-01), Noguchi et al.

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