EP0167832A2 - Verpackungssack und Verfahren zu seiner Herstellung - Google Patents

Verpackungssack und Verfahren zu seiner Herstellung Download PDF

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Publication number
EP0167832A2
EP0167832A2 EP85106980A EP85106980A EP0167832A2 EP 0167832 A2 EP0167832 A2 EP 0167832A2 EP 85106980 A EP85106980 A EP 85106980A EP 85106980 A EP85106980 A EP 85106980A EP 0167832 A2 EP0167832 A2 EP 0167832A2
Authority
EP
European Patent Office
Prior art keywords
package
cardboard
sheet
longer
shorter
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.)
Withdrawn
Application number
EP85106980A
Other languages
English (en)
French (fr)
Other versions
EP0167832A3 (de
Inventor
Veikko Ilmari Janhonen
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0167832A2 publication Critical patent/EP0167832A2/de
Publication of EP0167832A3 publication Critical patent/EP0167832A3/de
Withdrawn legal-status Critical Current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
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents

Definitions

  • the present invention relates to a packaging bag made of cardboard, whose height substantially exceeds its width and whose one narrow side is open and forms the mouth of said package with a closing flap extending from one edge thereof, said flap being foldable across the mouth over on the other side of a package for sealing the mouth.
  • a packaging bag of this type is anticipated in the Applicant's FI Patent publication 65591.
  • a backing board for bracing the package is enclosed between layers of paper placed on both sides of the board. Achieved this way is a high-quality packaging bag that can be fabricated with an automatic machine at a high rate of production.
  • the required paper is even more expensive than cardboard per unit area. This is why the material costs of such a package become relatively high.
  • An object of this invention is to provide a packaging bag serving the same purpose with substantially lower material costs.
  • This object is achieved by means of a packaging bag of claim 1 that can be fabricated by a method of claim 2 at a high rate of production in an automatic machine.
  • the height of a packaging bag exceeds substantially the width thereof and one of its narrow sides is open to form the mouth of a package. Extending from one edge of the mouth is a closing flap 4 that can be folded across the mouth over on the other side of a package for sealing the mouth.
  • the package is comprised of two separate cardboard sheets 1 and 2, the width of cardboard 1 being equal to that of the package and the length thereof being more than twice the height of said package.
  • Cardboard 1 is double-folded along a folding line 5 which serves as the bottom of a packaging bag.
  • the length of a second cardboard sheet 2 equals to the height of a package, i.e. to the length of the shorter folded half of cardboard 1.
  • the width of cardboard 2 exceeds substantially that of the package and side strips 3 extending beyond the width of a package are folded over the edges of the shorter folded half of cardboard sheet 1 and stuck with adhesive on the outer surface of cardboard sheet 1.
  • the central section of cardboard sheet.2 is stuck with adhesive on the inner or outer surface of the longer folded half of cardboard sheet 1. In the embodiment of fig. 1, it has been adhered to the inner surface and, in the embodiment of fig. 2, to the outer surface.
  • a claimed package can be fabricated at a high rate of production with a method whose principle is illustrated in figs. 3, 4 and 5.
  • the starting materials comprise two cardboard webs on a supply roller, one a little wider than the other.
  • the narrower web is pulled over at a double rate of speed compared to the wider.
  • Both webs are cut into rectangular cardboard sheets, so that sheets 1 cut out of the narrower web are more than twice longer than sheets 2 cut out of the wider.
  • An adhesive is applied to the surfaces of sheets 1 and 2 to be placed against each other and the sheets are superposed as shown in fig. 3 in a manner that the longer sheet 1 extends on both sides beyond the shorter sheet 2, the extent on one side being substantially equal to the length of shorter sheet 2.
  • the shorter sheet side strips 3 extend on both sides beyond the side edges of longer sheet 1. This is followed by double-folding said longer sheet 1 at the edge of shorter sheet 2, as shown in the step of fabrication of fig. 4, along a folding line 5 which builds the bottom for a finished packaging bag. The next step is to fold the side strips 3 of shorter sheet 2 around the side edges of the folded section of longer sheet 1 and adhered with a glue to the outer surface of the folded section of sheet 1.
  • Cardboard material is relatively inexpensive, if compared e.g. to paper.
  • the side wall of a packaging bag 1 is made of double cardboard, this does not increase the costs substantially in view of the relatively cheap price of cardboard.
  • a double wall makes the package rigid and sturdy and provides good protection for an article to be packed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Making Paper Articles (AREA)
  • Packages (AREA)
EP85106980A 1984-07-12 1985-06-05 Verpackungssack und Verfahren zu seiner Herstellung Withdrawn EP0167832A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI842804A FI69032C (fi) 1984-07-12 1984-07-12 Foerpackningspaose och foerfarande foer dess framstaellning
FI842804 1984-07-12

Publications (2)

Publication Number Publication Date
EP0167832A2 true EP0167832A2 (de) 1986-01-15
EP0167832A3 EP0167832A3 (de) 1988-04-06

Family

ID=8519383

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85106980A Withdrawn EP0167832A3 (de) 1984-07-12 1985-06-05 Verpackungssack und Verfahren zu seiner Herstellung

Country Status (4)

Country Link
EP (1) EP0167832A3 (de)
JP (1) JPS6181963A (de)
AU (1) AU4332185A (de)
FI (1) FI69032C (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005000708A1 (en) * 2003-06-19 2005-01-06 3M Innovative Properties Company Flexible pressure vessels

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR579760A (fr) * 1924-04-03 1924-10-23 Perrin & Roux Boîtes pliantes et démontables en carton simple ou ondulé, transformables au grédu consommateur en boîtes montées
US3124299A (en) * 1964-03-10 Boxboard container
US3552640A (en) * 1969-04-14 1971-01-05 Frank L Young Expansible gusset envelope with side flap seams

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124299A (en) * 1964-03-10 Boxboard container
FR579760A (fr) * 1924-04-03 1924-10-23 Perrin & Roux Boîtes pliantes et démontables en carton simple ou ondulé, transformables au grédu consommateur en boîtes montées
US3552640A (en) * 1969-04-14 1971-01-05 Frank L Young Expansible gusset envelope with side flap seams

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005000708A1 (en) * 2003-06-19 2005-01-06 3M Innovative Properties Company Flexible pressure vessels

Also Published As

Publication number Publication date
FI69032B (fi) 1985-08-30
FI69032C (fi) 1985-12-10
AU4332185A (en) 1986-01-16
FI842804A0 (fi) 1984-07-12
JPS6181963A (ja) 1986-04-25
EP0167832A3 (de) 1988-04-06

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Effective date: 19881007