Title:
INJECTION MOLDING METHOD AND APPARATUS
Document Type and Number:
Japanese Patent JP3299713
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To extend a forming cycle as a result of that a mold is resonated even at the time of cooling when molding is performed while the mold is resonated to prevent the gradual cooling of a resin.
SOLUTION: In an apparatus performing injection molding while a mold 1 (2, 3) is wholly or partially resonated by ultrasonic vibration, an ultrasonic vibrator 8 converting the high frequency power from an ultrasonic oscillator 10 to vibration and the vibration direction converter 7 connecting the ultrasonic vibrator 8 and the mold 1 are provided. By controlling the high frequency power of the ultrasonic oscillator 10, the amplitude of resonance is changed.
Inventors:
Atsushi Sato
Tomokazu Abe
Tomokazu Abe
Application Number:
JP6742998A
Publication Date:
July 08, 2002
Filing Date:
March 17, 1998
Export Citation:
Assignee:
Idemitsu Petrochemical Co., Ltd.
International Classes:
G11B7/26; B29C45/26; B29C45/46; B29C45/56; B29C45/77; B29C45/78; B29L17/00; (IPC1-7): B29C45/46; B29C45/26; B29C45/77; B29C45/78; G11B7/26
Domestic Patent References:
| JP615699A | ||||
| JP6262639A | ||||
| JP10661A | ||||
| JP999458A |
Attorney, Agent or Firm:
Kihei Watanabe
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