| 摘要 |
PROBLEM TO BE SOLVED: To rapidly degas a gas in an injected molding material. SOLUTION: A degassing apparatus comprises gas exhausting mechanisms 76 and 80 respectively provided at parts opposed to a cavity 74 of a core mold 66 for selectively making a communicating state of a vent passage 66R and respective through holes 66a, in response to a gas exhausting operation of a gas injecting/exhausting mechanism 78.
|
