TUBULAR BAG MACHINE AND METHOD FOR OPERATING A TUB

专利名称：TUBULAR BAG MACHINE AND METHOD

FOR OPERATING A TUBULAR BAG MACHINE

发明人：SLENDERS, PETER申请号：EP12715922.6申请日：20120413公开号：EP2704948A1公开日：20140312

摘要：The invention relates to a tubular bag machine (10) having a tube forming device(15), comprising a forming shoulder (16) and a forming pipe (17) for forming a packagingmaterial tube (5) made of at least one packaging material web (11), a vacuum-assistedtake-off device (25) in the form of endless recirculating belts (26, 27) in the region of theforming pipe (17), a storage roll (12) for storing the packaging material web (11), whereina partial length of the packaging material web (11) is intermediately stored in a bufferdevice (38) between the storage roll (12) and the forming pipe (17), and wherein thebuffer device (38) comprises at least one dancer roll (43, 44) having a force appliedthereto by means of a tensioning device (48) and applying a tension to the packagingmaterial web (11) in the region of the buffer device (38), which tension acts at leastpartially unto the region of the take-off device (25). According to the invention, the forceapplication of the at least one dancer roll (43, 44) can be modified by the tensioningdevice (48) as a function of the operating state of the take-off device (25).

申请人：ROBERT BOSCH GMBH

地址：Postfach 30 02 20 70442 Stuttgart DE

国籍：DE

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