EP0142455A2 - Sack von synthetischem biegsamem Material mit heissiegelbarem Streifen zum Öffnen - Google Patents

Sack von synthetischem biegsamem Material mit heissiegelbarem Streifen zum Öffnen Download PDF

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Publication number
EP0142455A2
EP0142455A2 EP84440046A EP84440046A EP0142455A2 EP 0142455 A2 EP0142455 A2 EP 0142455A2 EP 84440046 A EP84440046 A EP 84440046A EP 84440046 A EP84440046 A EP 84440046A EP 0142455 A2 EP0142455 A2 EP 0142455A2
Authority
EP
European Patent Office
Prior art keywords
film
bag
strip
strips
sachet
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
EP84440046A
Other languages
English (en)
French (fr)
Other versions
EP0142455B1 (de
EP0142455A3 (en
Inventor
Raoul Gautier
Arnaud Privat De Garilhe
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.)
Societe Generale des Eaux Minerales de Vittel SA
Original Assignee
Societe Generale des Eaux Minerales de Vittel SA
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 Societe Generale des Eaux Minerales de Vittel SA filed Critical Societe Generale des Eaux Minerales de Vittel SA
Priority to AT84440046T priority Critical patent/ATE27128T1/de
Publication of EP0142455A2 publication Critical patent/EP0142455A2/de
Publication of EP0142455A3 publication Critical patent/EP0142455A3/fr
Application granted granted Critical
Publication of EP0142455B1 publication Critical patent/EP0142455B1/de
Expired 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

Definitions

  • the subject of the present invention is a bag of flexible synthetic material of the type obtained by adequate folding of a single film of synthetic material, or from two strips of film, and welds determining the different sides of the bag. It also relates to a process for obtaining it.
  • Sachets of this type are well known. They were for example, and not limited to, the subject of French patent applications 75-18358, 78-04233 and 80-02187 in the name of the applicant.
  • a horizontal type shaping machine is described for example in French patent application 80-02187 in the name of the applicant.
  • a vertical type shaping machine is described for example in French patent 71-20879.
  • Bags of synthetic material of this type have been the subject of numerous developments and researches essentially focused on the problems of gripping on the one hand and stability in vertical position on the other hand, independently of course of researches as to the nature of the film itself.
  • Sachets of this type intended in particular for packaging beverages or spring water, are however designed to condition a volume of liquid of one liter or more.
  • this result is obtained with a flexible plastic bag of the type obtained by adequate folding of a single film of synthetic material, or from two strips of film, and welds determining the different sides of the bag, characterized in that it comprises, along a weld line and at the point of the bag where the pouring opening is to be determined, at least one strip of a two-sided heat-sealing film interposed between the two thicknesses dufilm connected by said weld line.
  • the strip of heat-sealing film can be inserted into a vertical seal (vertical side of the bag), horizontal (upper edge of the bag) or overlap - on two welds, vertical and horizontal, in an upper corner of the bag.
  • a preferential peel-off zone is determined, consisting of the heat-sealed portion which can be easily peeled by the user, without however calling into question the strength and hygiene properties of the sachet.
  • the heat-sealing film may for example consist of an adhesive varnish placed on each side of a aluminum or other support, the varnish disposed on each of the faces possibly being of a different nature.
  • the film must of course be food grade.
  • the sachet will comprise two strips of two-sided heat-sealing film arranged opposite. The opening is thus further facilitated, due to the symmetry.
  • the film strips can be linear or else assign a curvilinear cut to their central part to facilitate peeling.
  • the bag will include, near the opening area, a reversible adhesive which will allow the bag to be closed after a first use.
  • FIG. 1 Reference will first be made to FIG. 1, recalling that the invention is in no way limited to implementation on a machine with vertical tracking.
  • a film (1) is wound on a mandrel (2) for forming and filling the individual bags formed after vertical sealing and bottom sealing.
  • the vertical welding is carried out in itself well known manner, by a welding device such as (3), the intermittent operation of which is linked to the device for advancing the film downwards, itself produced by belts from a drive motor.
  • a sheath (4) is thus obtained, the bottom of which is welded together with the upper edge of the following bag, thanks to a horizontal welding device (5).
  • the cutting is carried out between the two welds by a mechanical cutting station (6).
  • a strip (7) of the heat-sealing film which is supplied from a reel (8) which takes place step by step under the action of a drive motor.
  • a cutting station (9) makes it possible to cut the strip at the vertical weld. The strip being thus inserted between the two ends of the film, the weld secures them.
  • the two strips are inserted in the same way as one, from two reels such as (8), with two driving devices.
  • the two strips can also be supplied from the same suitable coil.
  • the application of the welding heat at the level of the strips (10, 14, 15) causes the heat sealing of this zone on the facing portions, film or other strip.
  • FIG. 4 a variant is shown in which the strip (s) (16) have a high point (17) outside the weld line, which ensures even greater reliability in terms of the precision of the opening. .
  • a strip can be placed on a horizontal or vertical weld.
  • the strips are on vertical weld, the horizontal weld taking place above said strips.
  • the opening and therefore the pouring are done on a vertical edge of the bag.
  • the strip or strips (18) will be at the junction of a vertical weld line (19) and a horizontal line (20). The peeling will therefore be done in the upper corner of the sachet opposite the handle, if it has one.
  • FIGS. 8a and 8b there will be placed near the strips (10,14,15,18) a reversible adhesive (21) which makes it possible to obtain a closure. reversible security, after first use of the bag. To do this, the grip edges of the strip (s) are folded against one of the walls so as to close the opening, and they are immobilized in this position thanks to the reversible adhesive, as illustrated in FIG. 8b.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Making Paper Articles (AREA)
  • Packages (AREA)
  • Wrappers (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
EP84440046A 1983-11-15 1984-11-13 Sack von synthetischem biegsamem Material mit heissiegelbarem Streifen zum Öffnen Expired EP0142455B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84440046T ATE27128T1 (de) 1983-11-15 1984-11-13 Sack von synthetischem biegsamem material mit heissiegelbarem streifen zum oeffnen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8318258A FR2554788B1 (fr) 1983-11-15 1983-11-15 Sachet en matiere synthetique souple comportant une bandelette de film thermoscellant pour son ouverture
FR8318258 1983-11-15

Publications (3)

Publication Number Publication Date
EP0142455A2 true EP0142455A2 (de) 1985-05-22
EP0142455A3 EP0142455A3 (en) 1985-06-19
EP0142455B1 EP0142455B1 (de) 1987-05-13

Family

ID=9294205

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84440046A Expired EP0142455B1 (de) 1983-11-15 1984-11-13 Sack von synthetischem biegsamem Material mit heissiegelbarem Streifen zum Öffnen

Country Status (4)

Country Link
EP (1) EP0142455B1 (de)
AT (1) ATE27128T1 (de)
DE (1) DE3463635D1 (de)
FR (1) FR2554788B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20100205A1 (it) * 2010-02-11 2011-08-12 Goglio Spa Confezione flessibile particolarmente per prodotti liquidi

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE547093A (de) *
US1987596A (en) * 1933-08-01 1935-01-15 American Enka Corp Package wrapper for textile products
GB868128A (en) * 1957-09-09 1961-05-17 Lewis Charles Mote Method of and means for protecting containers made of sheets of packaging material against damage from rapid temperature changes and breakage hazards, and the preservation of the contents of the container
FR1417040A (fr) * 1964-11-20 1965-11-05 Récipients thermosoudables
CH558283A (de) * 1973-01-12 1975-01-31 Hesser Ag Maschf Verpackungshuelle mit aufreissstreifen.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE547093A (de) *
US1987596A (en) * 1933-08-01 1935-01-15 American Enka Corp Package wrapper for textile products
GB868128A (en) * 1957-09-09 1961-05-17 Lewis Charles Mote Method of and means for protecting containers made of sheets of packaging material against damage from rapid temperature changes and breakage hazards, and the preservation of the contents of the container
FR1417040A (fr) * 1964-11-20 1965-11-05 Récipients thermosoudables
CH558283A (de) * 1973-01-12 1975-01-31 Hesser Ag Maschf Verpackungshuelle mit aufreissstreifen.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20100205A1 (it) * 2010-02-11 2011-08-12 Goglio Spa Confezione flessibile particolarmente per prodotti liquidi
WO2011098360A1 (en) * 2010-02-11 2011-08-18 Goglio S.P.A. Flexible package for liquid products
CN102811917A (zh) * 2010-02-11 2012-12-05 戈利奥股份公司 液体产品的柔性包装件
CN102811917B (zh) * 2010-02-11 2014-10-15 戈利奥股份公司 液体产品的柔性包装件

Also Published As

Publication number Publication date
FR2554788B1 (fr) 1986-08-22
FR2554788A1 (fr) 1985-05-17
EP0142455B1 (de) 1987-05-13
DE3463635D1 (en) 1987-06-19
EP0142455A3 (en) 1985-06-19
ATE27128T1 (de) 1987-05-15

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