EP0705766A2 - Sachet d'emballage en papier, plastique ou similaire, ainsi que son procédé de fabrication - Google Patents

Sachet d'emballage en papier, plastique ou similaire, ainsi que son procédé de fabrication Download PDF

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Publication number
EP0705766A2
EP0705766A2 EP95115403A EP95115403A EP0705766A2 EP 0705766 A2 EP0705766 A2 EP 0705766A2 EP 95115403 A EP95115403 A EP 95115403A EP 95115403 A EP95115403 A EP 95115403A EP 0705766 A2 EP0705766 A2 EP 0705766A2
Authority
EP
European Patent Office
Prior art keywords
reinforcement
packaging bag
bag
viewing windows
individual viewing
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
EP95115403A
Other languages
German (de)
English (en)
Other versions
EP0705766B1 (fr
EP0705766A3 (fr
Inventor
Reinhold Baar-Bartelt
Josef Schmitz
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.)
NORD-WEST VERPACKUNG GmbH
Original Assignee
Nord-West Verpackung Karl Goetze & Co KG GmbH
GOETZE NORD WEST VERPACKUNG
Nord-West Verpackung Karl Gotze & Co KG GmbH
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 Nord-West Verpackung Karl Goetze & Co KG GmbH, GOETZE NORD WEST VERPACKUNG, Nord-West Verpackung Karl Gotze & Co KG GmbH filed Critical Nord-West Verpackung Karl Goetze & Co KG GmbH
Publication of EP0705766A2 publication Critical patent/EP0705766A2/fr
Publication of EP0705766A3 publication Critical patent/EP0705766A3/fr
Application granted granted Critical
Publication of EP0705766B1 publication Critical patent/EP0705766B1/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
    • B65D33/00—Details of, or accessories for, sacks or bags
    • B65D33/02—Local reinforcements or stiffening inserts, e.g. wires, strings, strips or frames
    • 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
    • B65D33/04—Windows or other apertures, e.g. for viewing contents

Definitions

  • the invention relates to a packaging bag made of paper, plastic or a composite with these materials, with a window arrangement on the front wall of the bag. Furthermore, the invention is directed to an expedient method for producing such packaging bags.
  • the object of the invention is to design packaging bags with a viewing window arrangement in such a way that they can be manufactured considerably more simply and at significantly reduced cost.
  • This object is achieved in that several individual viewing windows are arranged at a distance from one another on the front wall of the bag, the opening width of which is smaller than the piece size of the contents of the bag.
  • the long-practiced covering of the viewing window by means of a net structure or by means of a glued transparent film is dispensed with, which results in considerable material savings and also considerable manufacturing simplifications in the manufacture of bags.
  • the use of foreign materials for the mesh or film covers can be dispensed with, which is also advantageous with regard to the recycling of the packaging bags.
  • several smaller individual viewing windows are arranged according to the invention on the front side of the packaging bag, the opening width of which is such that the packaged piece goods cannot fall out of the individual viewing windows.
  • the multiple arrangement of the individual viewing windows enables a good visual inspection of the packaged sales goods and also promotes their ventilation and, if necessary, their drying in wet packaging.
  • the multiple window arrangement provided according to the invention like the arrangement of a single viewing window of larger dimensions, results in a weakening of the packaging bag, which forces it to be reinforced.
  • This can be taken into account in that for the manufacture of the packaging bag a material (paper, plastic film or a paper or plastic composite material) with greater wall thickness or greater tear strength is used.
  • a material paper, plastic film or a paper or plastic composite material
  • the inside of the front wall of the bag is provided with a reinforcement glued to it, which is provided with punched holes on the studs of the individual viewing windows and thus reinforces the webs of the bag wall located between the individual viewing windows.
  • the reinforcement expediently consists of the same material as the packaging bag.
  • paper reinforcement is therefore advantageously used.
  • the use of the same materials for the bag and for its reinforcement in the field of vision leads to a packaging bag which is made entirely from a single material and is therefore particularly easy to recycle.
  • reinforcement strips such as those made of paper, cardboard, plastic and the like, can be provided for the reinforcement, the strength property or tear strength of which differs from that of the material of the packaging bag .
  • the reinforcement can also consist of a material whose tensile strength is even greater than that of the bag material.
  • the reinforcement is expediently provided such that it covers the entire field of the individual viewing windows, wherein it is provided with punched-outs which are congruent or slightly larger than the individual viewing windows.
  • the reinforcement can extend over the entire height of the packaging bag or can be designed such that it essentially covers only the entire field of the individual viewing windows.
  • the number of individual viewing windows can vary be. It is generally between three and twelve individual view windows.
  • the individual viewing windows can be arranged vertically one above the other and / or horizontally next to one another.
  • the shape of the individual viewing window can be designed differently. Decorative shapes are also possible here. In general, it is advisable to provide individual viewing windows that have at least approximately a rectangular or square outline, preferably with rounded corner areas.
  • the packaging bag according to the invention can be produced inexpensively in a material-saving manner.
  • This can advantageously be done according to the method of the invention in such a way that the main web flatly unwound from the roll for the bag blanks is first glued to the reinforcement at its area forming the field of view, the individual viewing windows in one step in the main web laminated with the reinforcement are punched through the main web and the reinforcement, whereupon the punched and reinforced main web is formed into a bag tube and finally processed into the finished bag.
  • the stamped parts obtained when punching the field of vision can be removed by suction or by means of air jets.
  • the packaging bag 1 shown in the drawing is e.g. made of paper and consists of a block bottom bag. It is provided with two handles 2 on its lockable top. On its bag front wall 3 it has a viewing window arrangement with a plurality of individual viewing windows 4, which are uncovered at their opening, that is to say not in the conventional manner by means of mesh elements or transparent films or the like. are covered. In order to prevent the lumpy packaged goods to be packed in the packaging bag 1 from falling out of the individual viewing windows 4, these have an opening width that is smaller than the piece size of the filled goods.
  • the packaging bag 1 has on its front side or on its front wall 3 the individual viewing windows 4 in three parallel horizontal rows, three individual viewing windows 4 being arranged within each horizontal row. A total of nine individual viewing windows 4 are therefore provided on the front wall 3.
  • the individual viewing windows 4 each have an at least approximately rectangular or square outline, but their edges and expediently their corner regions are also rounded. Otherwise, the adjacent individual viewing windows 4 are arranged at a distance from one another which is significantly smaller than their width or their opening width.
  • webs 5 of the front wall 3 of the bag extend vertically and horizontally across the width of the field of view between the individual viewing windows 4, whose width is smaller than the width or height of the individual viewing window 4.
  • the packaging bag 1 is reinforced in these web areas.
  • the reinforcement consists of a reinforcement strip, preferably made of the same material as the bag itself, in a paper bag therefore expediently from a paper strip, although reinforcement strips made of other materials, for example plastic, can also be used.
  • Fig. 2 shows that the reinforcement 6 is glued flat on the inside of the bag front wall 3 and is provided with openings or punched-outs 7 congruent with the individual viewing windows 4. The web areas 5 in the overall field of the individual viewing windows 4 are thus sufficiently reinforced with regard to the filling weight of the packaged packaging bag 1. As indicated in FIG. 3 by the dashed lines 6 ', the reinforcement strip 6 can extend over the entire height of the front wall 3 of the bag and also up to or in the bottom region 8 thereof.
  • the width of the reinforcement strip forming the reinforcement 6 can be approximately the same or smaller than the width of the packaging bag 1 or its front wall 3, depending on the design and arrangement of the individual viewing window 4.
  • the reinforcement can also be useful 6 only to be provided in the area of the field of the individual viewing windows 4, reinforcing strips being used which only extend over the height and width of the total field of the individual viewing windows 4.
  • the reinforcement 6 consists of the same material as the packaging bag 1.
  • a reinforcement 6 made of a paper strip is appropriately used, so that the bag with the reinforcement consists entirely of only one material.
  • the blank of the packaging bag 1 shown in FIG. 3 comprises, in addition to the bag front wall 3 and the bottom area 8, the rear wall 9 not provided with viewing windows and the two side areas 10 of the bag.
  • the packaging bag 1 described can be produced in such a way that the main web 12 for the bag cuts in the direction of the arrow 13 from a roll 11 and the web 15 for the reinforcement 6 in the arrow direction from a further roll 14 16 are unwound flat, the webs 12 and 15 being brought together on two rollers 17. Before the rollers 17 are reached, the reinforcement web 15 is coated with glue application device 18 over the entire surface or at points with adhesive, so that it is glued to the pressure rollers 17 with the main web 12 or with the region forming the front wall 3 of the finished bag.
  • the main web 12 thus laminated with the reinforcing web 15 is punched behind the rollers 17 by means of a punching device 19, which is formed by rotating punching knives, whereby all the individual fields of view 4 are punched out in one operation through the main web 12 and the reinforcing web 15 bonded to it.
  • the stamped parts obtained can be removed by means of a suction device (not shown) or else by means of air jets.
  • the main web 12 laminated with the reinforcing web 15 is shaped in the usual way into a bag tube, from which, as is known, the packaging bags 1 are then produced. It is particularly advantageous in terms of production technology that the main track 12 and the reinforcing track 15 are punched through simultaneously after they have been combined to form the individual viewing windows.
  • the method described above can be changed in such a way that the reinforcement web 15 unwound from the roll 14 is first cut transversely before its adhesive connection to the main web 12, as a result of which the individual reinforcement strips are separated from the reinforcement web 15, which strips are then applied in the region of the rolls 17 after adhesive has been applied are connected to the main web 12, whereupon the main web 12 laminated with the reinforcement strip is punched out in the manner described.
  • the reinforcement strips 16 cut from the reinforcement web 15 can have dimensions that are smaller than the height of the packaging bag or its front wall 3 and its height and width is expediently only a little larger than the dimensions of the total field of the individual viewing windows 4.
  • the packaging bag 1 can optionally be designed as a block bottom bag, as a cross bottom bag, as a bottom gusset bag or as a side gusset flat bag. Instead of paper, it can also be made from plastic or from paper or plastic composite materials.
  • the size of the individual fields of view 4 is chosen such that the smallest part located in the packaged product cannot fall out through the window. Under this condition, the window size is preferably dimensioned so large that a good visual inspection of the packed goods is possible.
  • the number, arrangement and shape of the individual viewing windows 4 can be different, the width of the webs 5 being expediently adapted to the bag loading by the packaged product, but advantageously being smaller than the edge dimensions or the opening width of the individual viewing windows 4.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Packages (AREA)
  • Making Paper Articles (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Wrappers (AREA)
  • Paper (AREA)
EP95115403A 1994-10-06 1995-09-29 Procédé de fabrication d'un sachet d'emballage en papier, plastique ou similaire Expired - Lifetime EP0705766B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4435684A DE4435684A1 (de) 1994-10-06 1994-10-06 Verpackungsbeutel aus Papier, Kunststoff o. dgl. sowie Verfahren zu seiner Herstellung
DE4435684 1994-10-06

Publications (3)

Publication Number Publication Date
EP0705766A2 true EP0705766A2 (fr) 1996-04-10
EP0705766A3 EP0705766A3 (fr) 1996-11-13
EP0705766B1 EP0705766B1 (fr) 1998-04-15

Family

ID=6530073

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95115403A Expired - Lifetime EP0705766B1 (fr) 1994-10-06 1995-09-29 Procédé de fabrication d'un sachet d'emballage en papier, plastique ou similaire

Country Status (5)

Country Link
EP (1) EP0705766B1 (fr)
AT (1) ATE165062T1 (fr)
DE (3) DE4435684A1 (fr)
ES (1) ES2116024T3 (fr)
FI (1) FI954732A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2799735A1 (fr) * 1999-10-18 2001-04-20 Nathalie George Sac ou pochette constitue par une enveloppe exterieure et un renfort interieur.

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2272770A1 (fr) * 2009-07-10 2011-01-12 Euro Packaging UK Ltd Fermeture de papier
ES2463640A1 (es) * 2012-10-22 2014-05-28 Cristóbal Meseguer, S.A. Banda continua de papel plastificado para la fabricación de bolsas para productos hortofrutícolas y similares
ES2463617A1 (es) * 2012-10-22 2014-05-28 Cristóbal Meseguer, S.A. Banda continua para la fabricación de bolsas tipo cesta de papel plastificado para productos hortofrutícolas y similares
EP4265537A1 (fr) * 2022-04-21 2023-10-25 Ulrich Etiketten Gesellschaft m.b.H. Sachet tubulaire en papier et son procédé de fabrication

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1671076U (de) 1953-12-02 1954-01-28 Papierverarbeitung Sachsa G M Papierbeutel.
DE1044582B (de) 1956-11-03 1958-11-20 Fischer & Krecke Kg Maschine zum Herstellen von Bahnen aus Papier od. dgl. mit transparenten Fenstern
DE1073848B (fr) 1960-01-21
US3291374A (en) 1965-03-30 1966-12-13 Albemarle Paper Mfg Company Multi-ply bag and process for the manufacture thereof
DE2906820A1 (de) 1979-02-22 1980-09-04 Haag & Sohn Gmbh R Flache tasche, insbesondere zur aufnahme von filmen und abzuegen und verfahren zur herstellung derselben
DE4242178A1 (de) 1992-12-15 1994-06-16 Goetze Nord West Verpackung Verpackungsbeutel aus Papier oder Kunststoff sowie Verfahren zu seiner Herstellung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE545771A (fr) *
GB193193A (en) * 1921-12-12 1923-02-22 Martin Lewis Lancaster Improvements in and relating to the perforating of paper bags for the containing of coin
FR761819A (fr) * 1932-12-20 1934-03-28 Maunoury & Cie Pochette en papier
GB494010A (en) * 1937-04-19 1938-10-19 Adrian Haas Improvements in and relating to wages bags or envelopes
DE1098441B (de) * 1957-11-18 1961-01-26 Alfons Buck Sichtverpackung
US4174657A (en) * 1976-12-03 1979-11-20 Suominen Heikki S Method of forming a plastic shopping bag having a reinforced handle
DE3438601A1 (de) * 1984-10-20 1986-04-24 Karl-Heinz Dr. 4802 Halle Sengewald Als tragetasche ausgebildete verpackung

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1073848B (fr) 1960-01-21
DE1671076U (de) 1953-12-02 1954-01-28 Papierverarbeitung Sachsa G M Papierbeutel.
DE1044582B (de) 1956-11-03 1958-11-20 Fischer & Krecke Kg Maschine zum Herstellen von Bahnen aus Papier od. dgl. mit transparenten Fenstern
US3291374A (en) 1965-03-30 1966-12-13 Albemarle Paper Mfg Company Multi-ply bag and process for the manufacture thereof
DE2906820A1 (de) 1979-02-22 1980-09-04 Haag & Sohn Gmbh R Flache tasche, insbesondere zur aufnahme von filmen und abzuegen und verfahren zur herstellung derselben
DE4242178A1 (de) 1992-12-15 1994-06-16 Goetze Nord West Verpackung Verpackungsbeutel aus Papier oder Kunststoff sowie Verfahren zu seiner Herstellung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2799735A1 (fr) * 1999-10-18 2001-04-20 Nathalie George Sac ou pochette constitue par une enveloppe exterieure et un renfort interieur.

Also Published As

Publication number Publication date
DE4435684A1 (de) 1996-04-11
ES2116024T3 (es) 1998-07-01
FI954732A0 (fi) 1995-10-05
ATE165062T1 (de) 1998-05-15
DE29506855U1 (de) 1995-07-13
EP0705766B1 (fr) 1998-04-15
FI954732A (fi) 1996-04-07
EP0705766A3 (fr) 1996-11-13
DE59501892D1 (de) 1998-05-20

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