Apparatus for forming the neck finish of blow molded containers

Details Apparatus for forming the neck finish of blow molded containers Apparatus for forming the neck finish of blow molded containers

1986-07-29

1988-06-28

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

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

Forming baffle, bottleneck, or handle

264533, 264536, 425527, 425531, 425535, B29C 4950

Patent

active

047535911

ABSTRACT:
An improved cutting sleeve for the removal of flash from thermoplastic containers is disclosed. When used in conjunction with a blow-pin the cutting sleeve is movable relative to the blow-pin. In a preferred embodiment the cutting sleeve comprises two portions of different diameter. Use of the cutting sleeve results in an improved finish of the container neck.

REFERENCES:
patent: 3314106 (1967-04-01), Latreille et al.
patent: 3338997 (1967-08-01), Tigner
patent: 3487501 (1970-01-01), Siard et al.
patent: 3510913 (1970-05-01), Edwards
patent: 3741553 (1973-06-01), Moore
patent: 4382769 (1983-05-01), Younkin et al.
patent: 4390338 (1983-06-01), Bowers et al.
patent: 4397629 (1983-08-01), Akutsu et al.
patent: 4578028 (1986-03-01), Dirksing et al.

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