Parison pickers with variable spacing

Details Parison pickers with variable spacing Parison pickers with variable spacing

1977-06-21

1978-08-15

Lazarus, Richard B.

Plastic article or earthenware shaping or treating: apparatus

Female mold and means to shape parison directly by internal...

With heating or cooling means

425534, B29D 2303

Patent

active

041068866

ABSTRACT:
A blow molding assembly for thermoplastic resins, used, for example, for the manufacture of bottles wherein parisons are heated in an oven and then transported to a mold station where they are biaxially oriented and blown. The invention is particularly concerned with a transport system operating from the oven to the molds, wherein the spacing between the various parisons being transported by means of picker means can be adjusted so that the parisons may be introduced into molds at a spacing different from the spacing of the parisons in their travel through the oven. The transport system includes means for picking off parisons from a conveyor with a predetermined spacing and means for spreading or narrowing the spacing to match the centerline-to-centerline spacing of the molds.

REFERENCES:
patent: 3981673 (1976-09-01), Sokolow
patent: 4011039 (1977-03-01), Oas et al.

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