Method and an apparatus for perforating polymeric film

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 8833216
APP PUB NO 20110030528A1
SERIAL NO

12538844

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A tool for perforating a polymeric film is disclosed having a support substrate and at least one projection extending from the substrate. The projection is multi-sided with side walls that have straight sides that are tapered upwardly and inwardly from the support substrate at an angle theta (θ) that is at least 5°. The angle is measured in relation to imaginary lines extending perpendicularly to the substrate at the locations at which the side walls contact the substrate.

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Patent Owner(s)

Patent OwnerAddress
AMCOR LIMITEDABBOTSFORD VICTORIA 3067

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Barber, Richard Leigh Wantirna, AU 1 0
Barling, William Howard Preston, AU 5 0
Carew, David Lee St Albans, AU 4 249
Harvey, Erol Craig Ringwood North, AU 6 131
Mills, Jasson Lindsay Preston, AU 1 0
Waycott, Ramon Glenny Donvale, AU 2 68

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