| 摘要 |
PURPOSE:To reduce the number of parts, the number of processes and the number of assembling processes and to enhance airtightness by providing an insert part having a soft assembling part to a blow molded article by insert molding to make it possible to set the soft assembling part to an extremely free position. CONSTITUTION:An insert part 1 has a soft assembling part 2 formed by injection molding and a hard plastic part 3 integrally formed by an injection mold while including an engaging part 2a and an engaging part 3a and a seal part 3b are formed on the outer periphery of the hard plastic part 3. The insert part 1 is formed to a blow molded article 4 by insert molding to be fixed thereto and the bottom part of the insert part 1 is subjected to cutting processing by a drill to allow the inside and outside of the blow molded article 4 to communicate with each other. |
