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US 7,543,775 B2Granted
Plant for handling reels of paper or similar and for converting thereof and carriage for handling said reels
AssigneeFabio Perini S.p.A.
InventorsAngelo Benvenuti, Valter Di Nardo, Gabriele Erasmo Pacini
Life of this patent
Estimating the term…
Abstract
The plant comprises in combination at least one winder (3) which receives at least one web material and produces large diameter reels (B) by winding said web material around winding mandrels (M); at least one unwinder (9) which unwinds said large diameter reels (B) and feeds the web material to a transformation line (15, 21, 23); a plurality of carriages (11), which transfer said reels from a loading station (7) towards said unwinder (9), support said reels in the unwinder during unwinding and convey the finished mandrels towards a recovery area.
Claims42
A plant for producing logs of web material, comprising in combination at least:
- a winder which receives at least one web material and produces large diameter reels by winding said web material around winding mandrels;
- at least one unwinder which unwinds said large diameter reels to provide unwound web material and which feeds the unwound web material to a converting line;
- a plurality of carriages which transfer said large diameter reels with said mandrels from a loading station to said at least one unwinder, sustain said reels in the at least one unwinder during unwinding and convey the mandrels following unwinding to a predetermined area;
- and
- a transfer device for transferring the reels with said mandrels from the winder to said carriages,
- wherein said transfer device comprises a conveyor running between said winder and said loading station, and
- wherein said conveyor comprises a conveying guide for said reels.
4 more elements
A plant for producing logs of web material, comprising in combination at least:
- a winder which receives at least one web material and produces large diameter reels by winding said web material around winding mandrels;
- at least one unwinder which unwinds said large diameter reels to provide unwound web material and which feeds the unwound web material to a converting line;
- a plurality of carriages which transfer said large diameter reels with said mandrels from a loading station to said at least one unwinder, sustain said reels in the at least one unwinder during unwinding and convey the mandrels following unwinding to a predetermined area;
- and
- a transfer device for transferring the reels with said mandrels from the winder to said carriages,
- wherein said transfer device comprises a conveyor running between said winder and said loading station, and
- wherein said conveyor comprises moving parts which are positionable in a retracted position for inlet and outlet of the carriages to and from said loading station, and in an active position which permits transfer of the reels to said carriages positioned in the loading station.
4 more elements
A plant for producing logs of web material, comprising in combination at least:
- a winder which receives at least one web material and produces large diameter reels by winding said web material around winding mandrels;
- at least one unwinder which unwinds said large diameter reels to provide unwound web material and which feeds the unwound web material to a converting line;
- a plurality of carriages which transfer said large diameter reels with said mandrels from a loading station to said at least one unwinder, sustain said reels in the at least one unwinder during unwinding and convey the mandrels following unwinding to a predetermined area;
- and
- a continuous paper machine for producing said web material, said web material including at least one ply of paper, said continuous paper machine being arranged in relation to said winder to feed said web material from said continuous paper machine to said winder.
2 more elements
A plant for producing logs of web material, comprising in combination at least:
- a winder which receives at least one web material and produces large diameter reels by winding said web material around winding mandrels;
- at least one unwinder which unwinds said large diameter reels to provide unwound web material and which feeds the unwound web material to a converting line;
- a plurality of carriages which transfer said large diameter reels with said mandrels from a loading station to said at least one unwinder, sustain said reels in the at least one unwinder during unwinding and convey the mandrels following unwinding to a predetermined area,
- wherein said unwinder comprises two stations for two of said carriages, and
- wherein between the loading station and the unwinder a mechanism is present which is constructed and arranged to rotate said carriages approximately 180° around a substantially vertical axis before inserting the carriages in the unwinder, the two of said carriages being simultaneously present in the unwinder and being rotated approximately 180° with respect to each other.
2 more elements
A plant for producing logs of web material, comprising in combination at least:
- a winder which receives at least one web material and produces large diameter reels by winding said web material around winding mandrels;
- at least one unwinder which unwinds said large diameter reels to provide unwound web material and which feeds the unwound web material to a converting line;
- a plurality of carriages which transfer said large diameter reels with said mandrels from a loading station to said at least one unwinder, sustain said reels in the at least one unwinder during unwinding and convey the mandrels following unwinding to a predetermined area,
- wherein said carriages comprise a locking device for locking the mandrels on which said web material is wound, and
- wherein said locking device is combined with a rolling track on which said mandrels roll, the locking device retaining the mandrels in a predetermined position along said rolling track.
2 more elements
Dependencies are inferred from the claim text.