Method for unwinding a bobbin of a coiled sheet and unwinding apparatus for unwinding a bobbin
AssigneePhilip Morris Products S.A.
InventorJohann Schmidt
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Abstract
The present invention relates to a method for unwinding a bobbin of a coiled sheet, the method comprising: ∘providing a bobbin of a coiled sheet, the bobbin comprising a free portion of the sheet unwound from the bobbin; ∘arranging a blade between the free portion of the sheet and the remaining of the sheet coiled in the bobbin in such a way that the blade is in contact to the sheet coiled in the bobbin; and ∘vibrating the blade while unwinding the sheet from the bobbin. The present invention also relates to an unwinding apparatus for unwinding a bobbin.
Claims17
A method for unwinding a bobbin of a coiled sheet, the method comprising:
- providing a bobbin of a coiled sheet, the bobbin comprising a free portion of the sheet unwound from the bobbin;
- arranging a blade between the free portion of the sheet and the remaining of the sheet coiled in the bobbin in such a way that the blade is in contact to the sheet coiled in the bobbin;
- and
- vibrating the blade while unwinding the sheet from the bobbin.
An unwinding apparatus for unwinding a bobbin, the apparatus comprising:
- a bobbin holder where a bobbin of a coiled sheet is placed;
- a blade arranged in front of the bobbin holder and adapted to be in contact to the sheet coiled in the bobbin;
- and
- a vibration generator connected to the blade and adapted to put the blade into vibrations while the sheet is unwinding from the bobbin.
Dependencies are inferred from the claim text.