Vertically-movable blow molding apparatus

Details Vertically-movable blow molding apparatus Vertically-movable blow molding apparatus

1990-02-20

1991-12-03

Heitbrink, Timothy

Plastic article or earthenware shaping or treating: apparatus

With means applying coating material to work or work contact...

264514, 264520, 425532, 425535, 425538, B29C 4904

Patent

active

050696114

ABSTRACT:
A vertically movable blow molding arrangement includes a whole set of molds and mold plates, two blowing needle cylinders, a set of oil spraying structures, and a conveying machine. The whole set of molds and mold plates can close or open for receiving, pinching, sealing and inflating a plastic material to shape, and moves up and down vertically between an extrusion head and the conveying machine by means of oil pressure. The whole set of molds and mold plates can automatically inflate the material without air blowing for shaping.

REFERENCES:
patent: 3635636 (1972-01-01), Lagoutte
patent: 4468368 (1984-08-01), Hafele
patent: 4759703 (1988-07-01), Krebser et al.
DuBois & Pribble, Plastics mold Engineering Handbook, 1978, pp. 386-389.

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