| 摘要 |
A device (15, 16) for withdrawing flowable filling material through a wall of a bag (10) having flexible walls, comprising a first member (15) having a throughbore and an annular sealing surface (32) surrounding said throughbore, a second member (16) having an annular sealing surface (32) and separating means (25) radially inwardly of said sealing surface to cut a bag wall, said first and said second member including coeffective locking means which enter into an interlocking engagement when the separating means cut through the associated wall, said annular sealing surfaces being brought into sealing engagement to a wall of said bag, whereby said first and said second member, each, are adapted to be brought into sealing engagement with the outer side of a wall of said bag, with said annular sealing surfaces being adapted to be attached to the respective wall by adhesion, said separating means being formed by a punch-like portion of said second member such that both walls of said bag are pierced through prior to its entering said throughbore of said first member and leaving a passage (43) for said filling material, the separating means or said punch-like portion, respectively, and said throughbore of said first member being in said interlocking engagement such that said first and said second member are movable relative to each other in and opposite to the plugging-in direction of said separating means. |
