Blow-molding and degating hollow shapes

Details Blow-molding and degating hollow shapes Blow-molding and degating hollow shapes

1980-03-11

1982-06-01

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

264524, 264527, 264529, 264536, 4251742, 425525, 425527, 425536, B29C 1707, B29C 1708

Patent

active

043327508

ABSTRACT:
Hollow shapes are blow molded with a special form of gate connecting the shapes to the parison from which they are blow molded and permitting subsequent degating of the shapes by ultrasonic mechanical vibration applied to the gates.

REFERENCES:
patent: 2349177 (1944-05-01), Kopitke
patent: 3172152 (1965-03-01), Uhlig
patent: 3579620 (1971-05-01), Pettersson
patent: 3803280 (1974-04-01), Gilbert

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