EP1129960B1 - Flexible container with a handle reinforced against tear - Google Patents

Flexible container with a handle reinforced against tear Download PDF

Info

Publication number
EP1129960B1
EP1129960B1 EP01100299A EP01100299A EP1129960B1 EP 1129960 B1 EP1129960 B1 EP 1129960B1 EP 01100299 A EP01100299 A EP 01100299A EP 01100299 A EP01100299 A EP 01100299A EP 1129960 B1 EP1129960 B1 EP 1129960B1
Authority
EP
European Patent Office
Prior art keywords
handle
coupling
container
layers
area
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
EP01100299A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1129960A1 (en
Inventor
Franco Goglio
Luigino Bianconi
Giorgio Bottini
Osvaldo Bosetti
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Goglio Luigi Milano SpA
Original Assignee
Goglio Luigi Milano SpA
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 Goglio Luigi Milano SpA filed Critical Goglio Luigi Milano SpA
Publication of EP1129960A1 publication Critical patent/EP1129960A1/en
Application granted granted Critical
Publication of EP1129960B1 publication Critical patent/EP1129960B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • B65D75/52—Details
    • B65D75/54—Cards, coupons, or other inserts or accessories
    • B65D75/56—Handles or other suspension means
    • B65D75/566—Hand holes or suspension apertures

Definitions

  • the present invention relates to a container of flexible material, provided with a reinforced handle in order to avoid or reduce the risk of tearing.
  • Containers of flexible material for example of the so-called bellows type, are widely known in the art and are used for packaging products of various kinds, for example granular, powdery products and the like, vacuum-packed or otherwise.
  • the multilayer material comprises an outer layer of bioriented polypropylene, polyester or nylon and an inner layer of coextruded polyethylene, said two layers being firmly coupled to one another, by means of adhesive.
  • the package is obtained in a per se known manner, by successive folding, making transverse and longitudinal seals between superimposed parts of the heat-sealable layers.
  • said applied handles are generally of a material that is not homogeneous with that of the container, which leads to recycling problems.
  • Some solutions provide for application of a reinforcing material at the flattened, upper central part of the package, before punching, to obtain the aperture acting as a gripping handle.
  • Another solution that has recently appeared on the market consists in applying a local lacquering such as to ensure a lower level of adhesion between the coupled layers, so as to allow separation thereof when subjected to stress. In this manner the tendency to tearing decreases, in that the two layers each work separately, increasing the overall resistance.
  • lacquering must be applied very precisely, so as to ensure detachment of the layers when subjected to stress.
  • the object of the invention is to eliminate the aforementioned drawbacks, providing a simple and economical solution for reinforcing the handle of containers of flexible material, in order to avoid tearing of the same at the time of gripping.
  • Another object of the invention is to provide such a solution comprising a reinforced handle that is extremely reliable.
  • spot coupling is carried out in the area of the handle. This makes it possible to obtain perfectly coupled areas of laminate alternating with areas which lack coupling, thus obtaining an increase in the resistance to tearing in said uncoupled areas, where the layers of material are separate from each other.
  • the coupling between the layers is completely eliminated in a limited area, which surrounds the handle.
  • the container 1 may or may not be vacuum packed, and is of the so-called bellows type, that is, it is obtained by making folds along the vertical folding lines 5 corresponding to its vertical edges, and making a vertical or longitudinal seal 6, which is disposed on one of the lateral surfaces of the container, and a lower horizontal or transverse seal 7 which is disposed on the bottom wall of the container.
  • a further horizontal or transverse seal 10 can be provided on said upper flattened flap 8, at a certain distance from said terminal seal 9, and between the seals 9 and 10 a handle system 11 for gripping the container is made, consisting in apertures made by punching of the laminate from which the container is made, and destined to be opened upon insertion of the user's fingers.
  • said apertures comprise a central oval hole 12 and two lateral holes 13.
  • the holes 12 and 13 are provisionally closed by the material making up the container and are opened, at the time of gripping, by the user's fingers.
  • the holes 12, 13 can be opened already at the time of punching.
  • this comprises an inner layer of polyethylene and an outer layer of bioriented polypropylene, said layers being coupled to one another by means of an adhesive 20, shown in black in the sectional view of Figure 3.
  • the adhesive 20, which normally covers the whole surface of the laminate making up the container 1, according to the invention is appropriately interrupted in the area of the handle, so as to cause easy separation of the two layers 3, 4 in said area when stress is applied through gripping, considerably increasing the resistance to tearing.
  • the interruption of the adhesive 20 in the area of the handle 11 is obtained by providing a spot coupling 21 of the layers 3 and 4 of the laminate 2 in a rectangular area 22 that encloses the handle 11.
  • a respective stripe of vertical coupling 20' is advantageously provided between the central hole 12 and each lateral hole 13, to avoid having a complete detachment of the layers 3, 4 in the rectangular area 22 at the time of gripping of the container.
  • FIG. 4 to 6 differs from that in Figures 1 to 3 in that it has around the holes 12, 13 of the handle 11 areas 123 which completely lack coupling, which surround the respective hole.
  • the thickness of the laminate 2 is at least doubled in the area of the handle 11 provided in the top strip 8 thereof.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Bag Frames (AREA)
  • Laminated Bodies (AREA)
EP01100299A 2000-02-18 2001-01-04 Flexible container with a handle reinforced against tear Expired - Lifetime EP1129960B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI200289 2000-02-18
IT2000MI000289A ITMI20000289A1 (it) 2000-02-18 2000-02-18 Contenitore in materiale flessibile con maniglia rinforzata per evitare lacerazioni

Publications (2)

Publication Number Publication Date
EP1129960A1 EP1129960A1 (en) 2001-09-05
EP1129960B1 true EP1129960B1 (en) 2003-11-12

Family

ID=11444081

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01100299A Expired - Lifetime EP1129960B1 (en) 2000-02-18 2001-01-04 Flexible container with a handle reinforced against tear

Country Status (7)

Country Link
EP (1) EP1129960B1 (it)
AT (1) ATE254078T1 (it)
DE (1) DE60101171T2 (it)
DK (1) DK1129960T3 (it)
ES (1) ES2208470T3 (it)
IT (1) ITMI20000289A1 (it)
PT (1) PT1129960E (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2302991T3 (es) * 2004-03-08 2008-08-01 Nordenia Deutschland Halle Gmbh Bolsa de laminas formada por una lamina compuesta de dos o mas capas con una estampacion de agarre.
EP2100721B1 (en) 2008-03-11 2014-05-14 Amcor Flexibles Kreuzlingen Ltd. Laminate with an area having improved tear resistance

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3232321A1 (de) * 1982-08-31 1984-03-01 Bischof Und Klein Gmbh & Co, 4540 Lengerich Trageverpackung aus flexiblem werkstoff in sack- oder beutelform
ES2030032T3 (es) * 1986-11-05 1992-10-16 Stiegler Gmbh Maschinenfabrik Bolso de mano de lamina de material sintetico termoplalstico.
CA1282987C (en) * 1987-04-02 1991-04-16 Hans Reifenhauser Method and apparatus for the manufacture of plastic bags in pairs with side seams
US4953708A (en) * 1989-08-23 1990-09-04 Fes-Co System Usa, Inc. Flexible package with pour spout and handle

Also Published As

Publication number Publication date
PT1129960E (pt) 2004-04-30
DK1129960T3 (da) 2004-02-16
ITMI20000289A0 (it) 2000-02-18
ES2208470T3 (es) 2004-06-16
ITMI20000289A1 (it) 2001-08-18
EP1129960A1 (en) 2001-09-05
DE60101171D1 (de) 2003-12-18
ATE254078T1 (de) 2003-11-15
DE60101171T2 (de) 2004-08-19

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