Injection molding machine having assembly for vibration processi

Details Injection molding machine having assembly for vibration processi Injection molding machine having assembly for vibration processi

1995-09-14

1997-08-19

Mackey, James P.

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For extrusion or injection type shaping means

425424, 425432, 425542, 425556, 264 71, B29C 4556

Patent

active

056586000

ABSTRACT:
An injection molding machine equipped with an assembly for vibration processing which efficiently performs processing operations on the resin in the mold with vibration overcomes the restriction of vibration frequency due to the limited response of return springs and due to vibration transfer loss from the vibratory rods to the vibratory plate when operating at a high frequency. The injection molding machine performs both vibration and ejection without an ejector plate by making the vibratory plate serve a dual purpose and thus enable reduction in both mold size and production cost.

REFERENCES:
patent: 5069833 (1991-12-01), Yokoi et al.
patent: 5405259 (1995-04-01), Morikita
patent: 5439371 (1995-08-01), Sawaya
patent: 5472335 (1995-12-01), Morikita
patent: 5512223 (1996-04-01), Morikita

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