EP0416497A1 - Pièce d'emballage ou similaire avec banderole en matière plastique - Google Patents

Pièce d'emballage ou similaire avec banderole en matière plastique Download PDF

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Publication number
EP0416497A1
EP0416497A1 EP90116846A EP90116846A EP0416497A1 EP 0416497 A1 EP0416497 A1 EP 0416497A1 EP 90116846 A EP90116846 A EP 90116846A EP 90116846 A EP90116846 A EP 90116846A EP 0416497 A1 EP0416497 A1 EP 0416497A1
Authority
EP
European Patent Office
Prior art keywords
package
strap
welding
band
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.)
Granted
Application number
EP90116846A
Other languages
German (de)
English (en)
Other versions
EP0416497B1 (fr
Inventor
Otto Lücke
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 EP0416497A1 publication Critical patent/EP0416497A1/fr
Application granted granted Critical
Publication of EP0416497B1 publication Critical patent/EP0416497B1/fr
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
    • B65D63/00—Flexible elongated elements, e.g. straps, for bundling or supporting articles
    • B65D63/10—Non-metallic straps, tapes, or bands; Filamentary elements, e.g. strings, threads or wires; Joints between ends thereof

Definitions

  • the invention relates to a package or the like with a plastic strap, the strap ends of which lie on top of one another and are welded to one another.
  • the object of the invention is to provide packages with such plastic strapping, which can be opened at short notice without using cutting tools.
  • a package with a plastic strap strapping of the type in question is specified, which can be opened for a short time without cutting tools, but without disadvantageous the holding force of the plastic strap strapping.
  • the tape ends are only welded in partial areas of the overlap in such a way that the tape end lying on the top ends in a protruding tab. This forms the handle when the plastic strapping is to be released. After grasping the grip tab, this is to move against their course in the opposite direction while successively peeling the sub-area welds. This separation process must be done with the will in mind. Strapping tensions present on the package are unable to loosen the corresponding weld.
  • the welded connection zone which consists of several sections, has a greater tensile strength than the peeling resistance.
  • the grip tab can be formed in a simple manner by choosing an appropriate distance between the welded connection zone and the cutting separating knife of the strapping machine. This means that basically no additional measures need to be taken.
  • the partial area welding is formed by straight welding zones lying one behind the other and transversely.
  • the force required to loosen the partial area welding therefore corresponds to that which is required to cut open a straight welding zone.
  • the sub-area welding zones which are preferably located behind, contribute overall to the tensile strength of the sub-area welding.
  • Another advantage can be seen in the fact that the rectilinear welding zone adjacent to the gripping tab creates a bending point, so that the gripping tab assumes a slightly spread-apart course towards the strip ends. Accordingly, the grip tab can be gripped comfortably in order to then separate the successive, transverse, straight-line welding zones by peeling. In terms of packaging, however, the grip tabs do not prove to be disruptive. When several packages are stacked on top of one another, the corresponding gripping tabs are then brought into contact with strapping. As soon as however, when they are relieved of pressure, they spread slightly into the comfortable gripping position.
  • the free projection of the grip tab corresponds to approximately twice the width of the band and the width of the welding zone approximately to the thickness of the band. Experiments have shown that this length of the free overhang is sufficient to be able to grip the grip tab sufficiently firmly. A longer overhang is therefore not necessary, so that the solution according to the application permits material-saving strapping.
  • the grip tab and the width of the welding zone are matched to one another in such a way that the aforementioned length of the protrusion of the grip tab is sufficient to separate the welding zones one after the other.
  • the numeral 1 denotes a package to which a plastic strapping 2 is assigned. Their band ends 3, 4 lie on top of each other and are welded together.
  • the band ends are connected by a partial area welding 5, which is formed by straight welding zones 6, 7 and 8, which are spaced one behind the other and transversely.
  • a partial area welding 5 which is formed by straight welding zones 6, 7 and 8, which are spaced one behind the other and transversely.
  • the strap ends After heating the plastic strap ends 3, 4, which are held by grippers (not shown) of a strapping machine, the strap ends are pressed against one another by pressure jaws, not shown, so that there is then a wave-shaped course of the upper strap end 4 in the calculation of the partial area weld 5.
  • the pressure jaw can be equipped with protruding webs. It would also be possible to additionally equip the other pressure jaw with protruding webs.
  • the plastic band is cut in such a way that the upper band end 4 ends in a grip tab 9.
  • the free projection A of this grip tab 9 corresponds approximately to twice the width B of the band.
  • a width c of the welding zones is selected, which dimension corresponds approximately to the thickness D of the strip.
  • the above-mentioned webs of the one pressure jaw at the level of the welding zones 6, 7, 7 produce impressions 10, 11, 12 at the upper end of the band 4.
  • the indentation 12 adjacent to the grip tab 9 causes a deformation, on the basis of which the grip tab 9 extends from the underside of the band 3 spreads.
  • the corresponding spreading angle is preferably in the range between 10 and 30 °.
  • the tab 9 is preferably to be grasped between the index finger and thumb by pivoting the grip tab obliquely to the direction of the arrow x or in this direction, along with an increasing angle between the tab and the end of the strap 3 this pivoting movement is to exert a force P in the direction of the arrow illustrated in FIG. 4, in that the welding zones 6, 7, 8 are separated one after the other by peeling.
  • An intermediate position is illustrated in FIG. 4. This shows that the welding zone 8 adjacent to the grip tab 9 has been separated. This peeling can be done with relatively little effort. Nevertheless, the sub-area welding 5 provides a firm connection, which is characterized in that the tear strength is greater than the peeling resistance.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
EP90116846A 1989-09-04 1990-09-03 Pièce d'emballage ou similaire avec banderole en matière plastique Expired - Lifetime EP0416497B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8910534U 1989-09-04
DE8910534U DE8910534U1 (fr) 1989-09-04 1989-09-04

Publications (2)

Publication Number Publication Date
EP0416497A1 true EP0416497A1 (fr) 1991-03-13
EP0416497B1 EP0416497B1 (fr) 1993-07-07

Family

ID=6842529

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90116846A Expired - Lifetime EP0416497B1 (fr) 1989-09-04 1990-09-03 Pièce d'emballage ou similaire avec banderole en matière plastique

Country Status (2)

Country Link
EP (1) EP0416497B1 (fr)
DE (2) DE8910534U1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5542239A (en) * 1992-04-03 1996-08-06 Sekisui Jushi Kabushiki Kaisha Method for welding a packing band of thermoplastic resin and a welded band resulting therefrom
WO1997047796A1 (fr) * 1996-06-11 1997-12-18 Akzo Nobel N.V. Grille comprenant des bandes polymeres etirees et leur procede de realisation
WO1999006298A1 (fr) * 1997-08-01 1999-02-11 P + S Mako Verpackungsmaschinen Gmbh Fermeture pour fermer et refermer un sac, et sac muni d'une telle fermeture

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3402820B2 (ja) * 1995-02-03 2003-05-06 日本たばこ産業株式会社 シガレットパックの包装構造及びシガレットパックの自動販売機への供給方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1536271B1 (de) * 1965-07-16 1970-10-01 Signode Corp Verbinden von thermoplastischen Kunststoffbaendern
DE2641373B2 (de) * 1976-09-15 1978-07-06 Cyklop Gesellschaft Emil Hoffmann, 5000 Koeln Verfahren und Vorrichtung zum Verbinden der Bandenden eines Kunststoffbandes
US4483438A (en) * 1982-11-19 1984-11-20 Signode Corporation Film strap weld
EP0133701A2 (fr) * 1983-08-11 1985-03-06 Yoshida Kogyo K.K. Procédé et appareil pour botteler des objets allongés
DE3610631A1 (de) * 1986-03-29 1987-10-01 Siebeck Gunter Verbindeaggregat fuer eine verschnuermaschine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1536271B1 (de) * 1965-07-16 1970-10-01 Signode Corp Verbinden von thermoplastischen Kunststoffbaendern
DE2641373B2 (de) * 1976-09-15 1978-07-06 Cyklop Gesellschaft Emil Hoffmann, 5000 Koeln Verfahren und Vorrichtung zum Verbinden der Bandenden eines Kunststoffbandes
US4483438A (en) * 1982-11-19 1984-11-20 Signode Corporation Film strap weld
EP0133701A2 (fr) * 1983-08-11 1985-03-06 Yoshida Kogyo K.K. Procédé et appareil pour botteler des objets allongés
DE3610631A1 (de) * 1986-03-29 1987-10-01 Siebeck Gunter Verbindeaggregat fuer eine verschnuermaschine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5542239A (en) * 1992-04-03 1996-08-06 Sekisui Jushi Kabushiki Kaisha Method for welding a packing band of thermoplastic resin and a welded band resulting therefrom
WO1997047796A1 (fr) * 1996-06-11 1997-12-18 Akzo Nobel N.V. Grille comprenant des bandes polymeres etirees et leur procede de realisation
WO1999006298A1 (fr) * 1997-08-01 1999-02-11 P + S Mako Verpackungsmaschinen Gmbh Fermeture pour fermer et refermer un sac, et sac muni d'une telle fermeture

Also Published As

Publication number Publication date
EP0416497B1 (fr) 1993-07-07
DE59001909D1 (de) 1993-08-12
DE8910534U1 (fr) 1991-01-17

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