Amcor Limited

Amcor Packaging (australia) Pty

David Lee Carew

Erol Craig Harvey

Ramon Glenny Waycott

Peter Robert McKinlay

Jasson Lindsay Mills

Richard Leigh Barber

William Howard Barling

Christopher Chia Shyong Pan

Van Nguyen Tran

David Downing

Mike Spyropoulos

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 (&#x3b8;) that is at least 5&#xb0;. 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.

Method and an apparatus for perforating polymeric film

A method for treating a film by providing a structure including a substrate and an array of upstanding projections each of which includes multiple contact points. The structure is pressed against the surface of a polymeric film to cause deformation or rupture of the film. The film may then be pressed to partially reseal the perforations. The structure can be produced by electroplating a mould which includes an array of elements of dimensions corresponding to the projections of the desired structure.

Method for the treating films

Method and apparatus for preferential heating of a material are based on exposing the material to high intensity, pulsed, non-ionizing electromagnetic radiation. The method can destroy microorganisms, sterilize packaging, or sterilize moist food. An embodiment uses microwave radiation with pulse duration of less than 0.1 second with an average power of at least 1 kW to sterilize open-ended metal can prior to packaging.

Preferential heating of materials by use of non-ionizing electromagnetic radiation

Hot fill container

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St. Albans, Australia

David Lee Carew