| 摘要 |
A plastic container is constituted by upper and lower tank members and a filter. The filter has a cylinder portion, upper and lower flanges fixed to both ends of the cylinder portion respectively. The upper flange of the filter has a cylindrical flange portion engaged with inner surfaces of butt portions of the upper and lower tank members. Further, a clamped portion is formed on an outer periphery of the cylindrical flange portion and is clamped by the butt portions. The upper and lower tank members are fixedly connected by a plastic band which is formed by executing an injection welding on an outer peripheral portion including the butt portions and the clamped portion.
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