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US 9,546,065 B2Granted
Machine for closing the tail end of a roll of web material
AssigneeFabio Perini S.p.A.
InventorsGraziano Mazzaccherini, Romano Maddaleni
Life of this patent
Estimating the term…
Abstract
The machine includes a first glue-applying device for closing the tail end; and a second mechanical-closing device for mechanically anchoring the tail end of the roll to a portion of an outer turn of the web material wound on the roll.
Claims20
A machine for closing a tail end of a roll of web material comprising:
- a first glue-applying device for closing said tail end;
- and a second mechanical-closing device for mechanically sealing the tail end by anchoring the tail end of the roll to a portion of an outer turn of web material wound on the roll;
- wherein said first glue-applying device and said second mechanical-closing device are alternately operable to each other to separately seal said tail end to said roll.
A machine for closing a tail end of a roll of web material comprising:
- a first glue-applying device for closing said tail end;
- and a second mechanical-closing device for mechanically sealing the tail end by anchoring the tail end of the roll to a portion of an outer turn of web material wound on the roll,
- wherein said second device comprises a plurality of mechanical ply-bonding members,
- wherein each of said plurality of mechanical ply-bonding members comprises a mechanical ply-bonding roller, and
- wherein each said mechanical ply-bonding roller is carried by a respective slide which is provided with a synchronous movement parallel to the tail end to be closed.
2 more elements
A machine for closing a tail end of a roll of web material comprising:
- a first glue-applying device for closing said tail end;
- and a second mechanical-closing device for mechanically sealing the tail end by anchoring the tail end of the roll to a portion of an outer turn of web material wound on the roll,
- wherein said second device comprises a plurality of mechanical ply-bonding members,
- wherein each of said plurality of mechanical ply-bonding members comprises a mechanical ply-bonding roller, and
- wherein each said mechanical ply-bonding roller comprises a first knurled annular portion, cooperating with said pressure and rolling surface;
- a second elastically yielding annular portion, cooperating with an embossing surface provided with an engraving, the web material pressed between the embossing surface and the second elastically yielding annular portion of each said mechanical ply-bonding roller being embossed with a pattern defined by said engraving.
3 more elements
Dependencies are inferred from the claim text.