| 摘要 |
The invention relates to a device for the automatic selection of rolls of tape, particularly adhesive tapes, which are used in dispensers. The inventive device ensures that a dispenser uses certain types of tape rolls selectively by preventing unsuitable rolls from being placed correctly therein or from rotating. According to the invention, lugs ( 62 ) which surround the mandrel ( 63 ) of the dispenser only allow a tape core having a corresponding annular groove on one of the sides thereof to be positioned correctly in the dispenser and to rotate.
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