| 摘要 |
PCT No. PCT/EP97/06561 Sec. 371 Date Aug. 20, 1998 Sec. 102(e) Date Aug. 20, 1998 PCT Filed Nov. 25, 1997 PCT Pub. No. WO98/28218 PCT Pub. Date Jul. 2, 1998For pushing packages (7) from a winding mandrel (4) of a takeup apparatus (1), an ejector is provided, which has a piston arranged for reciprocating movement in a cylinder (8) by supplying a pressure medium. The piston is a magnetic piston, whose polarity is opposite to that of at least one magnet connected to a push unit (9). The push unit (9) is displaceable substantially along the cylinder (8) with the movement of the piston.
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