ATE468276T1 - TWO-LAYER PAPER BAG - Google Patents

TWO-LAYER PAPER BAG

Info

Publication number
ATE468276T1
ATE468276T1 AT08152531T AT08152531T ATE468276T1 AT E468276 T1 ATE468276 T1 AT E468276T1 AT 08152531 T AT08152531 T AT 08152531T AT 08152531 T AT08152531 T AT 08152531T AT E468276 T1 ATE468276 T1 AT E468276T1
Authority
AT
Austria
Prior art keywords
sack
ply
deaeration
outer ply
paper bag
Prior art date
Application number
AT08152531T
Other languages
German (de)
Inventor
Peter Astroem
Original Assignee
Billeruds Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Billeruds Ab filed Critical Billeruds Ab
Application granted granted Critical
Publication of ATE468276T1 publication Critical patent/ATE468276T1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/01—Ventilation or drainage of bags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/04—Bags or like containers made of paper and having structural provision for thickness of contents with multiple walls

Abstract

The invention relates to the field of sacks, and especially to deaeration thereof. A sack (1), wherein at least part of a sack wall of the sack comprises an inner ply (2), an outer ply (3) and an air permeable moisture barrier film (4) arranged between the inner ply (2) and the outer ply (3) is provided. A parameter of the outer ply (3) relates to the parameter of the inner ply (2) so as to form an interply space between the inner and outer ply if an overpressure is present inside the sack. The sack (1) is adapted to form at least one film-ply deaeration space between the moisture barrier film (4) and the outer ply (3) within the at least part of the sack wall if the overpressure is present. Also provided are a sack wall material, a method for deaeration of a sack (1) and a method for manufacturing a sack.
AT08152531T 2008-03-10 2008-03-10 TWO-LAYER PAPER BAG ATE468276T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08152531A EP2100821B1 (en) 2008-03-10 2008-03-10 Two-ply paper sack

Publications (1)

Publication Number Publication Date
ATE468276T1 true ATE468276T1 (en) 2010-06-15

Family

ID=39647791

Family Applications (1)

Application Number Title Priority Date Filing Date
AT08152531T ATE468276T1 (en) 2008-03-10 2008-03-10 TWO-LAYER PAPER BAG

Country Status (4)

Country Link
EP (1) EP2100821B1 (en)
AT (1) ATE468276T1 (en)
DE (1) DE602008001308D1 (en)
WO (1) WO2009112225A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202013004058U1 (en) 2013-04-30 2014-08-01 Dy-Pack Verpackungen Gustav Dyckerhoff Gmbh paper bags
WO2020153910A1 (en) * 2019-01-21 2020-07-30 Suphantarida Nuttawat Perforated bag for construction materials

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9101210U1 (en) * 1991-02-02 1991-04-25 Bischof Und Klein Gmbh & Co, 4540 Lengerich, De
CZ293746B6 (en) 1996-06-05 2004-07-14 Upm-Kymmene Oy Permeable sack
GB9712819D0 (en) 1997-06-18 1997-08-20 Bpb Plc Paper sack
DE202005003539U1 (en) * 2005-03-04 2006-07-13 Dy-Pack Verpackungen Gustav Dyckerhoff Gmbh paper bags
PL1813545T3 (en) * 2006-01-26 2009-12-31 Mondi Ag Multilayered paper sack

Also Published As

Publication number Publication date
EP2100821B1 (en) 2010-05-19
EP2100821A1 (en) 2009-09-16
DE602008001308D1 (en) 2010-07-01
WO2009112225A1 (en) 2009-09-17

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties