| 摘要 |
A bag puncturing device to couple to a socket outlet of a plastic liner bag of a liquid container where the socket is closed off by a portion of the plastic bag. The puncturing device comprises a connector engagable in the socket and movable linearly in the socket and having a liquid passing opening through the connector housing a coiled compression spring which extends from the connector and is longer than the socket and a cutter which is caused to penetrate the socket closing portion of the bag by relative movement between the connector and the socket thereby allowing the spring to enter into the bag.
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