Flame-perforated films having controlled tear characteristics and methods, systems, and apparatus for making same

Details for Australian Patent Application No. 2008279503 (hide)

Owner 3M Innovative Properties Company

Inventors Getschel, Joel A.; Ulsh, Michael J.; Strobel, Mark A.

Agent Davies Collison Cave

Pub. Number AU-A-2008279503

PCT Pub. Number WO2009/014881

Priority 11/780,260 19.07.07 US

Filing date 3 July 2008

Wipo publication date 29 January 2009

International Classifications

B26F 1/26 (2006.01) Perforating

B32B 3/10 (2006.01) Layered products essentially comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form - characterised by a discontinuous layer, i.e. apertured or formed of separate pieces of material

Event Publications

11 February 2010 PCT application entered the National Phase

  PCT publication WO2009/014881 Priority application(s): WO2009/014881

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