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    • 7. 发明专利
    • Molded resin article incorporating fitment and molding device therefor
    • 模塑树脂制品及其成型设备
    • JPS6176339A
    • 1986-04-18
    • JP20089584
    • 1984-09-25
    • Nissan Shatai Co Ltd
    • SHIMAZAKI KATSUHIKO
    • B29C49/04B29C49/20
    • B29C49/20B29C49/04B29C2049/2008B29C2049/2013B29C2049/2073B29C2049/4805
    • PURPOSE:To enable a fitment formed of a flexible material to be fixed by clamping between two opposed boxlike surfaces at the time of molding, by a method wherein at least one of two opposed boxlike surfaces is provided with a recessed part, and a base end of a fitment is clamped by a bottom surface of the recessed part and a surface opposed thereto. CONSTITUTION:When left and right molds 73, 75 are opened, the fitment 55 formed of a flexible material is suspended from a fitment-hooking member 67. Next, a softened resin is supplied as a cylindrically shaped parison 69 through a mandrel 65 in a nozzle 63, and gradually droops downward on the outside of the fitment 55. Air is blown into the inside of the parison 69 through a lower air blowing-in needle 71, whereby the parison 69 droops down to the lower side of the molds 73, 75 in an inflated state. Then, the molds are closed, whereby the fitment 55 is fixedly clamped by projected parts 73a, 75a of the molds 73, 75 through the resin. Where air is blown in under this condition, air is distributed to the entire part of the interior of a main body 51 irrespectively of the presence of the recessed part 59, since box cross sections 51a in the periphery thereof are communicated with each other. Accordingly, a predetermined internal pressure is provided, and the resin is adhered to the molds 73, 75, whereby the objective resin article is molded.
    • 目的:为了能够通过在两个相对的盒状表面中的至少一个设置有凹部的方法,通过在成型时在两个相对的盒状表面之间夹紧来固定由柔性材料形成的配件,并且基端 由凹部的底面和与其相反的表面夹持配件。 构成:当左右模具73,75打开时,由柔性材料形成的配件55从配件钩挂件67悬挂下来,软化树脂通过芯轴65以 喷嘴63,并且在配件55的外侧逐渐向下倾斜。空气通过下部空气吹入针71吹入型坯69的内部,由此型坯69下降到模具73的下侧, 75处于充气状态。 然后,关闭模具,由此通过树脂将配件55固定地夹紧模具73,75的突出部分73a,75a。 在这种条件下吹入空气的情况下,由于其周边的箱体横截面51a彼此连通,因此无论凹部59的存在如何,都将空气分配到主体51的内部的整个部分。 因此,提供预定的内部压力,并且树脂粘附到模具73,75,从而模制目标树脂制品。