WO2001025102A1 - Sac multiparois a ouverture et fermeture faciles - Google Patents

Sac multiparois a ouverture et fermeture faciles Download PDF

Info

Publication number
WO2001025102A1
WO2001025102A1 PCT/US2000/027157 US0027157W WO0125102A1 WO 2001025102 A1 WO2001025102 A1 WO 2001025102A1 US 0027157 W US0027157 W US 0027157W WO 0125102 A1 WO0125102 A1 WO 0125102A1
Authority
WO
WIPO (PCT)
Prior art keywords
bag
card
multiwall bag
ply
multiwall
Prior art date
Application number
PCT/US2000/027157
Other languages
English (en)
Inventor
Mark D. Pfeiffer
Sam D. Jones, Jr.
Sam D. Jones, Sr.
Original Assignee
International Paper Company
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 International Paper Company filed Critical International Paper Company
Priority to AU77475/00A priority Critical patent/AU7747500A/en
Publication of WO2001025102A1 publication Critical patent/WO2001025102A1/fr

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
    • B65D33/16—End- or aperture-closing arrangements or devices
    • B65D33/1691—End- or aperture-closing arrangements or devices using adhesive applied to attached closure elements
    • 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
    • B65D33/004—Information or decoration elements, e.g. level indicators, detachable tabs or coupons
    • 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
    • B65D33/007—Details of, or accessories for, sacks or bags for facilitating the separation of the two walls, e.g. walls of inequal height, tabs; for maintaining the mouth of the sack or bag open
    • 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
    • B65D75/00—Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/38—Articles or materials enclosed in two or more wrappers disposed one inside the other

Definitions

  • the present invention relates to bags and more particularly to multiwall bags
  • Pinch bottom open mouth (PBOM) bags are commonly known. Such bags are commonly known. Such bags are Pinch bottom open mouth (PBOM) bags. Such bags are Pinch bottom open mouth (PBOM) bags. Such bags are commonly known. Such bags are Pinch bottom open mouth (PBOM) bags. Such bags are Pinch bottom open mouth (PBOM) bags. Such bags are Pinch bottom open mouth (PBOM) bags. Such bags are Pinch bottom open mouth (PBOM) bags. Such bags are commonly known. Such bags are commonly known. Such bags
  • An outer tube contiguously welded to the inner tube typically consists of
  • the inner tube of plastic is one or more plies of paper or other flexible material.
  • the inner tube of plastic is one or more plies of paper or other flexible material.
  • the plastic ply may be heat sealed or adhesively sealed to
  • gussets may additionally be disposed on the bottom end or
  • Recloseable bags are also common, especially in the food packaging industry.
  • Such bags typically ensure the freshness of the commodities packaged therein by allowing a consumer to reclose the bag after opening.
  • Various methods have been
  • Zippers can be unintentionally caught on the outer ply of a bag and prevent their easy
  • the present invention is a PBOM bag adapted for easy opening and easy
  • the bag comprises a pinch closure at one end and a card tab for opening
  • the card includes a front
  • the card is attached to a notch disposed horizontally along an inner
  • the notch is disposed parallel to the open end on an inner ply of the bag.
  • the bag as
  • the inner pouch is may be heat sealed to
  • the inner pouch can optionally be adhesively sealed
  • the inner pouch is severed thereat at the open end to seal
  • gussets may be formed on the vertical sidewalls of the bag or on the bottom wall of the bag to make
  • the commodity is contained within a completely sealed
  • the plastic ply is bonded at both bag ends to the contiguous ply.
  • ply is heat sealed to closure at its base and folded over with the outer plies and the
  • the inner tube is
  • the bag by resealing the easy open card onto the opening of the bag.
  • Multiwall bags according to the invention find special utility for the
  • chemicals such as pharmaceuticals
  • odoriferous materials such as fertilizer
  • Figure 1 is a perspective view of a multiwall, gusseted, pinch bottom open
  • Figure 2 is a perspective view of a multiwall, gusseted, pinch bottom open
  • mouth bag according to the present invention as commodity filled and closed.
  • Figures 3(a), 3(b) and 3(c) are, respectively, front, rear and vertical cross
  • Figures 4(a), 4(b) and 4(c) are elevational views of, respectively, the outer ply, the middle ply and the inner ply of the bag of the invention.
  • the bag 10 is comprised of a top
  • the bottom end 31 is typically pinch
  • One wall of the bag is
  • Wall 25 may
  • back wall 35 has an extension 91 at one end beyond the respective end edge of the
  • An inner tube 41 of a heat sealable plastic material such as polyethylene is
  • an outer tube 51 which may comprise a plurality of
  • Extension 91 protruding from the back panel of bag 10 is used to seal the bag after the bag has been loaded with the appropriate commodity. Extension 91
  • extension 91 is folded along line B--B over the front wall 25 of the bag.
  • the inner tube 41 is heat sealed to the outer tube starting at the opposing ends 21 and
  • the inner tube is made to seal to the outer tube.
  • a standard pinch bottom closure is formed by using fold line A—A at the
  • the contiguous outer plies are oppositely stepped about
  • Figure 1 is drawn to a bag with a top end 31 open and the bottom end 21 pinch
  • ply is stepped up starting at an outermost front 44 of the ply 16 and proceeding to an
  • the outer plies 61 are not shown in Figure 2.
  • melt reactivatable adhesive in a dormant state is preapplied to at least parts of the
  • a suitable adhesive is a
  • thermoplastic resin adhesive which may be a composition of polyethylene, wax and a
  • tackifier such as a rosin ester
  • FIG. 1 views of the card 95 of the present invention.
  • Figure 3(a) illustrates the front of the card 95 of the present invention.
  • 3(b) illustrates the back of the card as it is affixed to the open end of the bag 10 of
  • the card 95 is generally
  • the card comprises a three-ply label with the outermost layer being an adhesive 115 laid down in a step pattern.
  • Card 95 comprises a stiff cardboard layer 155 atop
  • silicone release coating 145 lies atop a MYLAR
  • the card 95 is adapted for
  • the figure shows the outer ply 51 of the bag as it is laid flat in planar fashion
  • extension 91 is protruded from the back wall 35 of the bag so that the
  • Extension section can be folded over the E--E line for bag assembly.
  • Front wall 25 is cut just
  • the middle ply has sidewalls 71 and 81 which are flush with reference line E— E.
  • Extension 91 of the back wall 35 of the middle ply is protruded from the reference
  • Extension 91 can be at a vertical elevation of approximately 0.75" above the
  • Front wall 25 is cut just below the reference line E— E and can be
  • the inner tube is flush with the E-E line at the back wall 35 and the sidewalls 71 and
  • notch section 5 is generally aligned with the card label of the bag so that the bag as
  • the notch section 5 is approximately 0.25" elevationally below the
  • the invention can be easily modified for other types of multiwall bags such as the
  • SOS stand open satchel

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)

Abstract

L'invention concerne un sac (10) multiparois à fond pincé et à haut ouvert, comprenant une fermeture à pincement à une extrémité (31), et une carte (95) à languette permettant d'ouvrir et de refermer l'extrémité (21) ouverte opposée. La carte (95) est composée d'une étiquette (135, 145, 155) à trois couches comprenant une languette qui peut être manipulée par l'utilisateur afin de forcer l'ouverture du sac. La carte est fixée dans encoche (51) disposée horizontalement le long d'une couche interne du sac.
PCT/US2000/027157 1999-10-04 2000-10-03 Sac multiparois a ouverture et fermeture faciles WO2001025102A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU77475/00A AU7747500A (en) 1999-10-04 2000-10-03 Multiwall bag with easy open and reclose

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US41112699A 1999-10-04 1999-10-04
US09/411,126 1999-10-04

Publications (1)

Publication Number Publication Date
WO2001025102A1 true WO2001025102A1 (fr) 2001-04-12

Family

ID=23627675

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2000/027157 WO2001025102A1 (fr) 1999-10-04 2000-10-03 Sac multiparois a ouverture et fermeture faciles

Country Status (3)

Country Link
US (1) US20010000461A1 (fr)
AU (1) AU7747500A (fr)
WO (1) WO2001025102A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003031281A1 (fr) * 2001-10-10 2003-04-17 Carter Holt Harvey Limited Sac
WO2003033370A1 (fr) * 2001-10-16 2003-04-24 Carter Holt Harvey Limited Sac
WO2003057578A1 (fr) * 2002-01-11 2003-07-17 Elsaesser Verpackungen A.G. Sachet d'emballage refermable
WO2005056404A1 (fr) * 2003-12-09 2005-06-23 Amcor Limited Sac d'emballage en vrac a parois multiples et appareil de fabrication dudit sac

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120243805A9 (en) * 2002-09-19 2012-09-27 Stolmeier Robert C Pouch with spout
US7204641B2 (en) * 2002-09-19 2007-04-17 Illinois Tool Works Inc. Pouch with spout
US6969196B2 (en) * 2003-03-07 2005-11-29 Exopack-Technology, Llc Bag having reclosable seal and associated methods
US20120048860A1 (en) * 2010-08-26 2012-03-01 Nir Bar Spill-free container
US20150298888A1 (en) * 2012-11-07 2015-10-22 Sanofi-Aventis Deutschland Gmbh Protective Packaging for a Container
US11319138B2 (en) * 2018-11-20 2022-05-03 Simple Container Solutions, Inc. Pop-up liner
US20210300631A1 (en) * 2020-03-26 2021-09-30 Steve Kohn Sealable, resealable or closeable paper bag

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6048100A (en) * 1999-03-10 2000-04-11 Industrial Label Corp. Resealable closure for a bag
US6120184A (en) * 1999-11-17 2000-09-19 Stone Container Corporation Bag apparatus with reclosable pour spout

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6048100A (en) * 1999-03-10 2000-04-11 Industrial Label Corp. Resealable closure for a bag
US6120184A (en) * 1999-11-17 2000-09-19 Stone Container Corporation Bag apparatus with reclosable pour spout

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003031281A1 (fr) * 2001-10-10 2003-04-17 Carter Holt Harvey Limited Sac
WO2003033370A1 (fr) * 2001-10-16 2003-04-24 Carter Holt Harvey Limited Sac
WO2003057578A1 (fr) * 2002-01-11 2003-07-17 Elsaesser Verpackungen A.G. Sachet d'emballage refermable
WO2005056404A1 (fr) * 2003-12-09 2005-06-23 Amcor Limited Sac d'emballage en vrac a parois multiples et appareil de fabrication dudit sac
US8646974B2 (en) 2003-12-09 2014-02-11 Amcor Limited Bulk packaging multi-wall sack and apparatus for manufacturing the sack

Also Published As

Publication number Publication date
US20010000461A1 (en) 2001-04-26
AU7747500A (en) 2001-05-10

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