Injection blow molding apparatus

Details Injection blow molding apparatus Injection blow molding apparatus

1975-09-23

1978-12-05

Lazarus, Richard B.

Plastic article or earthenware shaping or treating: apparatus

Preform reshaping or resizing means: or vulcanizing means...

Including product handling means

4254501, 425525, B29D 2303

Patent

active

041283740

ABSTRACT:
Injection blow molding equipment for the production of hollow articles wherein cores are axially inserted in blow molds and blank molds is disclosed. Compact core assemblies and fluid supply systems integral with the platens allow the mold parts to be mounted on the surfaces of opposed, relatively movable platens. Partible neck rings associated with each core open divergently outwardly as the blow mold and core separate, to shorten machine cycle time. A manifold, supplied with cooling fluid from the periphery of a core mounting plate, distributes heat transfer fluid to the core assemblies for cooling the neck rings. In one embodiment, mounting blow mold sections are mounted on contra-oscillatable mounting members and are opened and closed by arcuate movement of the mounting members.

REFERENCES:
patent: RE28063 (1974-07-01), Scalora
patent: 2290129 (1942-07-01), Moreland et al.
patent: 3019480 (1962-02-01), Soubier
patent: 3183552 (1965-05-01), Farkas
patent: 3264684 (1966-08-01), Moslo
patent: 3339231 (1967-09-01), Piotrowski
patent: 3609803 (1971-10-01), Fattori
patent: 3776991 (1973-12-01), Marcus
patent: 3816580 (1974-06-01), Valyi

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