Servo stretch assembly for blow molding machine

Details Servo stretch assembly for blow molding machine Servo stretch assembly for blow molding machine

1992-06-29

1993-12-14

Chiesa, Richard L.

Plastic article or earthenware shaping or treating: apparatus

Control means responsive to or actuated by means sensing or...

Mold motion or position control

425529, B29C 4912

Patent

active

052696723

ABSTRACT:
A servo stretch assembly for blow molding hollow injection molded preforms in which the stretch rod is driven by a servo motor that is electronically controlled to produce a precise and repeatable stretch stroke and stretch profile.

REFERENCES:
patent: 4009980 (1977-03-01), Armour et al.
patent: 4036573 (1977-07-01), Kauffman et al.
patent: 4304542 (1981-12-01), Sauer
patent: 4409161 (1983-10-01), Harry et al.
patent: 5129815 (1992-07-01), Miyazawa et al.
patent: 5169705 (1992-12-01), Coxhead et al.

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