A tube-like plastic container and a preform therefor are provided. The preform has a drum part and a mouth part, with a continued portion having a projecting edge in between. The drum part is thicker than the mouth part, has a flat wedge-like form, and tapers toward a thinner bottom end. The drum part is thicker at a lower portion than at an upper portion.

 
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< Tenter device and method for drying film

> Water-absorbent resin having treated surface and process for producing the same

~ 00450