| 摘要 |
PURPOSE:To materialize a method of molding resin foaming particles, whose occurrence ratio of defectives due to excess and difficiency in filling of the foaming particles is small, by stopping particle supply into a mold when detected pressure of a pressure detecting equipment provided on a conduit part for transferring the foaming particles is ascended by predetermined pressure from inner pressure of the mold. CONSTITUTION:Compressed air whose pressure is P1 (0.1-6.0kg/cm<2>G) particles on the inside of a hopper 1 are transferred within a chamber 4 by depressurizing force and a pressure switch Ps is provided close to a filling gun 15 of the transfer conduit part C. When inner pressure of the conduit part C becomes higher than the inner pressure P1, for example, by 0.5kg/cm<2>, a filling port 23 is closed by working the pressure switch Ps, a motor of a rotary supply equipment A for the foaming particle supply is stopped and supply of the particles into the mold is stopped. Then after deaeration of gas from among gaps of the particles, pressure of the inside of a cavity 21 is restored to atmospheric pressure, compressed foaming particles are restored and swollen to the original form, which are molded into a shape foamed material by heating with steam. |
