| 摘要 |
PROBLEM TO BE SOLVED: To provide an apparatus for feeding a releasing agent with which the deterioration of a cast quality can be prevented. SOLUTION: The apparatus 1 for feeding the releasing agent, has a constitution provided with: a feeding pipe passage 4 connected with a cavity 5 in a die 2; a feeding side shut-off 6 arranging in the die 2 and opening/closing the feeding pipe passage 4; a releasing agent pressure feeding means 3 connected with the feeding pipe passage 4 and feeding the powdery releasing agent together with compressed air into the cavity 5 through the feeding pipe passage 4; and a pressure opening valve 7 arranged at the front of the feeding side shut-off 6 in the feeding pipe passage 4 and opening the pressure in the feeding pipe passage 4. COPYRIGHT: (C)2007,JPO&INPIT
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