Device for removing and conveying injection-molded piece

Details Device for removing and conveying injection-molded piece Device for removing and conveying injection-molded piece

1979-04-24

1985-04-30

Silbaugh, Jan

Plastic article or earthenware shaping or treating: apparatus

Shaping surface including means to release or remove product...

Removal-miscellaneous

264537, 264334, 264336, 425533, 425537, 425556, 425438, B29F 114

Patent

active

045141665

ABSTRACT:
A transparent thin bottle-shaped container is produced by means of a technology for biaxial orientation blow molding a cylindrical piece with a bottom from polyethylene terephthalate material. The pieces are molded in numerous large number in each injection molding process of an injection molding machine. The pieces thus formed immediately after the injection molding are held simultaneously in large number at the gates integrally projected therefrom by a base plate moved forward at the front of the mold in the injection molding machine. They are then conveyed to a gate cutting unit provided near the injection molding machine. The gates are cut from the pieces sequentially by the gate cutting unit and are conveyed onto a conveyor. The pieces are gradually cooled from the hot molded temperature during the conveyance and are additionally cooled while being conveyed on an oblique conveyor installed with a cooler to room temperature or lower predetermined temperature. The cooled pieces are then supplied to a heater immediately before entering a biaxial orientation blow molding process.

REFERENCES:
patent: 3345684 (1967-10-01), Scherrer-wirz
patent: 3408689 (1968-11-01), Heiner
patent: 3947208 (1976-03-01), Broderick
patent: 4136146 (1979-01-01), Ninneman
patent: 4310282 (1982-01-01), Spurr et al.

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