Owner Cryovac, Inc.

Inventors Moehlenbrock, Andrew W.; Owensby, Joseph E.; Chalfant, Alexis M.

Agent Davies Collison Cave

Pub. Number AU-A-2010282895

PCT Pub. Number WO2011/019503

Priority 61/274,247 14.08.09 US; 12/843,281 26.07.10 US

Filing date 28 July 2010

Wipo publication date 17 February 2011

B31B 19/90 (2006.01) Machinery for making envelopes or bags

B31B 23/00 (2006.01) Machinery characterised by making rectangular envelopes or bags of flat form, i.e. without structural provision at the base for thickness of contents, from webs, e.g. from flattened tubular webs

B65B 9/08 (2006.01) Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material

B65B 9/20 (2006.01) Enclosing successive articles, or quantities of material, e.g. liquids or semiliquids, in flat, folded, or tubular webs of flexible sheet material

B65B 61/02 (2006.01) Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages

B65B 61/18 (2006.01) Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages - for applying or incorporating package-opening or unpacking elements, e.g. tear-strips

B65D 33/16 (2006.01) Details of, or accessories for, sacks or bags - End- or aperture-closing arrangements or devices

B65D 33/20 (2006.01) Details of, or accessories for, sacks or bags

B65D 77/20 (2006.01) Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks, bags