Process for mould release of hollow plastic bodies moulded by bl

Details Process for mould release of hollow plastic bodies moulded by bl Process for mould release of hollow plastic bodies moulded by bl

1976-08-16

1978-12-26

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

With internal application of fluid pressure

264334, 264335, 425537, B29C 1707

Patent

active

041316657

ABSTRACT:
Process for mould release of a hollow plastic body moulded by blowing by means of a nozzle in which after cooling the hollow body and opening the mould, a fluid under pressure is injected into the hollow body through the nozzle in the bottom region of the hollow body. The process may be completed by a mechanical ejector acting from the outside at the neck position of the hollow body after the nozzle has been removed from the mould.

REFERENCES:
patent: 2789312 (1957-04-01), Borer
patent: 3002225 (1961-10-01), Goller
patent: 3183292 (1965-05-01), Dvoracek
patent: 3616491 (1971-11-01), Vollers
patent: 3664798 (1972-05-01), Moslo
patent: 3817678 (1974-06-01), Armour
patent: 3989786 (1976-11-01), Mehnert et al.

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