Folding roller and interfolding machine employing said roller

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11034541
APP PUB NO 20190270609A1
SERIAL NO

16320298

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Abstract

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An interfolding machine (1) is described, including folding rollers (3). Such a roller has a cylindrical sleeve (3C) having a rotation axis (3A), an outer surface (3X) and an inner surface (3Y) defining an inner axial cavity (23) of the cylindrical sleeve (3C). The cylindrical sleeve includes, furthermore, a plurality of suction holes (41, 43) which extend from the outer surface (3X) to the inner surface (3Y) of the cylindrical sleeve (3C). The suction holes are arranged depending on longitudinal alignments (42, 44), parallel to the rotation axis (3A) of the cylindrical sleeve (3C) and angularly staggered in relation to one another. Inside a suction chamber (23A) in the cylindrical sleeve (3C), shutters are stationarily arranged having closing surfaces (37A) cooperating with the inner surface (3Y) of the cylindrical sleeve (3C) to selectively close the suction holes.

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Patent Owner(s)

Patent OwnerAddress
MAXIMA S R LVIA DEL BRENNERO 1040F 55100 LUCCA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Arrighini, Andrea Viareggio, IT 1 1
Dettori, Daniele Capannori, IT 13 10
Mencarini, Luca Lucca, IT 1 1

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