| 摘要 |
PURPOSE: A PFA tube sleeve extension device is provided to prevent the generation of foreign materials from an existing SUS(Steel Use Stainless) expansion jig while a sleeve pipe or a PFA tube expansion work by using the expansion jig. CONSTITUTION: A PFA tube extension jig comprises an inlet expansion portion(110), a boundary portion(120), and a connection portion(130). The boundary portion is expanded from the inlet expansion portion and projected in order to restrict the insertion length of the inlet expansion portion. The connection portion is extended from the boundary portion and coupled with a pressing tool body for the extension of the PFA tube.
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