| 摘要 |
Plastic thin film is lifted up flange part (4) above mouths of plastic bottles(2), and metallic thin plate(7) is lifted up plastic thin film(6), in the state of adjusting to the type of screw, plastic thin film is adhered to mouths of plastic bottles by high frequency radio heating non-metallic cap(8), and the circular concave having bending and elasticity is established upper screw thread of mouths of plastic bottles.
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