Method and apparatus for degating parts using ultrasonic energy

Details Method and apparatus for degating parts using ultrasonic energy Method and apparatus for degating parts using ultrasonic energy

1984-12-13

1986-04-29

Yost, Frank T.

Severing by tearing or breaking

Methods

225 93, B26F 300

Patent

active

045851522

ABSTRACT:
A method and apparatus for degating individual molded thermoplastic parts from runners use the combination of ultrasonic energy at a predetermined frequency and an anvil plate dimensioned to undergo flexural motion of a substantially large motional amplitude at a frequency less than that of the predetermined ultrasonic frequency for degating the parts from runners.

REFERENCES:
patent: 3094814 (1963-06-01), Barke et al.
patent: 3157329 (1964-11-01), Gorter
patent: 3595453 (1971-07-01), Sherry

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