Apparatus and method for realizing a web of fibrous material

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United States of America Patent

PATENT NO 10724178
APP PUB NO 20180291558A1
SERIAL NO

16004190

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Abstract

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An apparatus for producing a web of fibrous material includes a roll having incisions with a depth of 0.01-2.00 mm, a width of 0.01-2.00 mm, and a pitch 0.01-10.00 mm, and rotated at a peripheral velocity v1 equal to the velocity of an upstream apparatus unit; a belt stretched between transmission rollers that advances at a velocity v2 less than v1, wherein v1/v2 lies between 1.05 and 1.40; a presser roller rotating at a peripheral velocity v2, associated with a presser system acting to press the belt against the metal roll with a pressure of 1-200 kg per centimeter; and a system that feeds a sheet of pliable fibrous material between the belt and the roll, the belt having a longitudinal elongation of no more than 5%, dimensional stability along its entire length, a thickness of 1-10 cm, and a hardness 24-70° Shore.

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Patent Owner(s)

Patent OwnerAddress
TRANI GIORGIO30100 VENEZIA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cariolaro, Federico Carmignano di Brenta, IT 10 47
Sterner, Marion Venice, IT 33 214
Trani, Giorgio Venice, IT 33 236

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