Apparatus for in mold trimming

Details Apparatus for in mold trimming Apparatus for in mold trimming

1996-02-26

1997-12-16

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Preform severing means

Diverse severing means

425527, 425531, 264161, 264536, B29C 3930

Patent

active

056982364

ABSTRACT:
An apparatus for trimming blow-molded products while in the mold including the steps of placing a parson between a mold having two mold halves, moving the two mold halves to form a cavity and close a portion of the parison, pressurizing the inside of the parison to produce a product and trimming a portion of the product while it is in the mold by moving a cutter across the cavity and across the portion of the product to be cut. The mold halves are then separated and the product is removed therefrom.

REFERENCES:
patent: Re30215 (1980-02-01), Kuenzig et al.
patent: 3362043 (1968-01-01), Langdon et al.
patent: 3752629 (1973-08-01), Gordon
patent: 4368027 (1983-01-01), Lorgi et al.
patent: 4696636 (1987-09-01), Evely
patent: 4966543 (1990-10-01), Krishnakumav et al.
patent: 5480607 (1996-01-01), Hobson

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