CONVOLUTE CARDBOARD TUBE, APPARATUS AND METHOD FOR MANUFACTURING THE SAME

Australia Patent

APP PUB NO AU-2022203412-A1
SERIAL NO

2022203412

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Abstract

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A plastic film roll includes: a convolute cardboard tube comprising a tubular body 5 having a tubular body wall formed by a plurality of layers of a straight rolled cardboard sheet having a weight equal to or less than 300 gsm; a plastic film wound about the convolute cardboard tube to form a plurality of plastic film windings around the convolute cardboard tube, the plastic film windings creating a radial compression force equal to or greater than 10 bar on the tubular body wall, wherein the cardboard sheet 10 includes a plurality of fibres, at least a majority of the fibres being substantially aligned in a tangential direction relative to the tubular body to allow the convolute cardboard tube to resist the radial compression force. 'F FIG. 2B 2 0L

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Patent Owner(s)

Patent OwnerAddress
D’ANGLADE PIERRE-MICHELNot Provided

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Inventor(s)

Inventor Name Address
D’ANGLADE PIERRE-MICHEL -

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