DK150723B - PACKAGING FOR AROMATIC AND / OR MOISTURE CONTAINING MATERIAL - Google Patents

PACKAGING FOR AROMATIC AND / OR MOISTURE CONTAINING MATERIAL Download PDF

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Publication number
DK150723B
DK150723B DK363880AA DK363880A DK150723B DK 150723 B DK150723 B DK 150723B DK 363880A A DK363880A A DK 363880AA DK 363880 A DK363880 A DK 363880A DK 150723 B DK150723 B DK 150723B
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DK
Denmark
Prior art keywords
bag
seam
sealing seam
packaging
wall portions
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Application number
DK363880AA
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Danish (da)
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DK363880A (en
Inventor
Leif Brunswig Soerensen
Original Assignee
Schur Int As Brdr
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Application filed by Schur Int As Brdr filed Critical Schur Int As Brdr
Publication of DK363880A publication Critical patent/DK363880A/en
Priority to DK490685A priority Critical patent/DK160008C/en
Publication of DK150723B publication Critical patent/DK150723B/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D33/00Details of, or accessories for, sacks or bags
    • B65D33/16End- or aperture-closing arrangements or devices
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D75/00Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/52Details
    • B65D75/58Opening or contents-removing devices added or incorporated during package manufacture
    • B65D75/5855Peelable seals
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D2575/00Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes or webs of flexible sheet material, e.g. in folded wrappers
    • B65D2575/52Details
    • B65D2575/58Opening or contents-removing devices added or incorporated during package manufacture
    • B65D2575/586Opening or contents-removing devices added or incorporated during package manufacture with means for reclosing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D75/00Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/04Articles or materials wholly enclosed in single sheets or wrapper blanks
    • B65D75/20Articles or materials wholly enclosed in single sheets or wrapper blanks in sheets or blanks doubled around contents and having their opposed free margins united, e.g. by pressure-sensitive adhesive, crimping, heat-sealing, or welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS 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
    • B65D75/00Packages comprising articles or materials partially or wholly enclosed in strips, sheets, blanks, tubes, or webs of flexible sheet material, e.g. in folded wrappers
    • B65D75/26Articles or materials wholly enclosed in laminated sheets or wrapper blanks

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Bag Frames (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Seasonings (AREA)
  • Saccharide Compounds (AREA)
  • Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Wrappers (AREA)

Abstract

1. A packaging means in the form of a bag for filling materials which are aromatised and/or which are to be kept moist, comprising a filled bag portion (5) which is formed by two oppositely disposed wall portions (6, 7) of plastics foil, wherein its bottom edge is formed by folding the plastics foil (3) over along a bottom fold (10), while at its two side edges (11, 12) the oppositely disposed wall portions (6, 7) are fixedly sealed together, wherein the upper edge (13) that forms the opening of the bag is peelably closed by a sealing seam (4) extending parallel to the bottom fold (10), in such a way that the sealing seam (4) can be opened without tearing the wall portions (6, 7), characterised in that the sealed seams (14) of the two side edges (11, 12) of the oppositely disposed wall portions (6, 7) extend with a high degree of seam strength to the upper edge (13) of the opening of the bag and that the peelable sealing seam (4) crosses (at 15) the lateral sealed seams (14) in the region of the upper edge (13) in such a way that the sealing seam (4) is peelable only between the points (15) of intersection of the seams.

Description

150723150723

Opfindelsen angår en poseemballage af den i patentkravets indledning angivne art.The invention relates to a bag packaging of the kind specified in the preamble of the claim.

En emballage af den nævnte art er kendt fra DE-offentlig-gørelsesskrift 2 362 351, hvor varmeforseglingssømmene 5 i siderne kun forløber til sideforlængelsen af den oprive- lige tætningssøms underkant mod højre og venstre. Ved den emballage er der fare for, at også de to tætningssømme ved siderne bliver revet og let oprevet nedad efter oprivnin-gen af den oprivelige tætningssøm ved oversiderne.A package of the kind mentioned is known from DE-publication specification 2,362,351, in which the heat sealing seams 5 in the sides extend only to the side extension of the lower edge of the original sealing seam to the right and left. In this packaging, there is a danger that the two sealing seams on the sides will also be torn and easily torn downwards after the tearing of the upright sealing seam at the upper sides.

10 Fra tysk offenliggørelsesskrift nr. 2 518 229 kendes allerede en tobakspung, ved hvilken den øverste rand, som danner posens åbning, ikke er lukket. Den ene af de to vægdele, som danner posens nedre område, nemlig den bagudvendende vægdel, er foroven forlænget i en foldbar 15 klapdel, som ved posens sammenfoldning ligger på ydersiden af posedelen. En parallelt med bundfalslinien forløbende klæbestofzone skal på den ene side lukke den forreste vægdel foroven ved kanten og på den anden side lukke i det ligeledes liggende område af den bagudvendende væg-20 del. Men herved opnår man ikke' en aroma- og damptæt lukning. Desuden er en derfra kendt tobakspung ufordelagtig såvel med hensyn til dens fremstilling som dens brug.10 From German disclosure no. 2 518 229, a tobacco purse is already known in which the upper edge forming the opening of the bag is not closed. One of the two wall portions forming the lower region of the pouch, namely the rear facing wall portion, is extended at the top in a foldable flap portion which, upon folding the pouch, lies on the outside of the pouch portion. An adhesive zone extending parallel to the bottom line must close on the one hand the front wall part at the top and on the other hand close in the also lying area of the rear wall part. But this does not achieve a flavor- and vapor-tight closure. Furthermore, a tobacco purse known therefrom is disadvantageous both in its manufacture and its use.

En emballage af den indledningsvis angivne art er kendt 25 fra tysk offenliggørelsesskrift nr. 2 840 223. Der har man anbragt den parallelt med bundfalsen forløbende tætningssøm imellem vægdele af forskellige formstofma-terialer således, at der fremkommer en aftagelig svejseforbindelse. Fremstiller man emballagen af den ind-30 ledningsvis angivne art af ét og samme formstofmateri ale, således at posen dannes ved omlægning af et omfoldet stykke af en formstofmaterialebane langs bund- 150723 2 falsen omtrent ved enden af en tredjedel af materiale-banen, kan man lade det indre lag af posedelen bestå af en første materialeart og det ydre lag bestå af en anden materialeart. Derved bliver det øverste kantom-5 råde af den forreste vægdel så foldet indad og umiddel bart svejset med den tilstødende inderside af den bag-udvendende vægdel. Dermed ligger to forskellige materialearter ganske vist overfor hinanden ved svejsningen, således at der kan opnås en oprivelig tætningssøm ved 10 passende sammensætning af materialerne. Men denne ned sættelse af forbindelsesstyrken gælder så også for lukkesømmen for de to posedeles sidekanter. Til uheld har det nemlig vist sig, at brugeren ved åbning af denne oprivelige tætningssøm ved kanterne desuden også løsner 15 det øverste område af lukkesømmene ved siderne. Disse er så på uønsket måde ikke mere forseglet med stor sømstyrke .A package of the kind mentioned initially is known from German Patent Specification No. 2,840,223. The sealing seam extending parallel to the bottom rim between wall parts of various plastics materials has been arranged so that a removable weld joint is formed. If the packaging of the initially stated kind is made of one and the same plastic material all, so that the bag is formed by wrapping a folded piece of a plastic material web along the bottom seam approximately at the end of one third of the material web. let the inner layer of the bag part consist of a first material type and the outer layer consist of a second material type. Thereby, the upper edge region of the front wall portion is then folded inward and immediately welded to the adjacent inside of the rear outer wall portion. Thus, two different types of material lie opposite each other in the welding, so that an upright sealing seam can be obtained by suitable composition of the materials. However, this reduction in the connection strength also applies to the closure seam for the side edges of the two bag parts. In addition, it has been found by accident that the user, when opening this upright sealing seam at the edges, also loosens the upper region of the closure seams at the sides. These are then undesirably no longer sealed with great seam strength.

Der kendes også emballager, f.eks. tobaksfoldeposer eller fladposer, ved hvilken sømstyrken ikke forringes 20 ved omfoldning som ved det sidst beskrevne eksempel, men ved stribelakering af en overflade. Men ved denne løsning fremkommer den ulempe, at opløsningsmidlet fordamper ind i materialet og opløsningsmiddelrester falder ned i materialet som faste krummer ved brugerens åbning.Packages are also known, e.g. tobacco folding bags or flat bags in which the seam strength is not degraded by folding as in the last described example, but by strip coating of a surface. However, with this solution, the disadvantage is that the solvent evaporates into the material and solvent residues fall into the material as solid crumbs at the user's opening.

25 En yderligere ulempe ved alle tidligere kendte emballager med en aftagelig eller oprivelig tætningssøm var desuden emballagens beskadigelse ved forseglingen. Varmen til vægdelenes forsegling med hinanden blev på kendt måde overført ved hjælp af varmekæber, og der har så på bag-30 siden, dvs. ydersiden af den færdige tobakspose, vist sig en uskøn for forbrugeren synlig søm. Denne kan ved en mindre omhyggelig fremstilling endog ødelægge dekorationen, således at der fremkommer et uskønt udseende.In addition, a further disadvantage of all prior art packaging with a removable or tear seal is the damage of the packaging to the seal. The heat for the sealing of the wall parts with each other was transmitted in known manner by means of heat jaws, and so on the back side, ie. the outside of the finished tobacco bag, proved a beauty to the consumer visible stitch. By a less careful manufacture, this can even ruin the decoration, resulting in an unhealthy appearance.

150723 3150723 3

Opfindelsen har derfor til formål at forbedre en poseemballage af den indledningsvis nævnte art således, at en oprivelig tætningssøm kan anbringes, uden at lukkesømmene ved siden også blot delvis bliver forstyrret 5 derved, hvorved en beskadigelse af den udvendige over flade er udelukket.It is therefore an object of the invention to improve a bag packaging of the kind mentioned in the introduction so that an upright sealing seam can be placed without the closure seams also being only partially disturbed thereby eliminating external surface damage.

Dette formål opnås ifølge opfindelsen ved, at den indledningsvis angivne poseemballage er ejendommelig ved det i patentkravets kendetegnende del angivne. Ved for-10 anstaltningerne ifølge opfindelsen bliver der tilveje bragt en poseemballage, som på den ene side ved tætningssømmens krydsningssteder og på den anden side ved de to lukkesømme ved siderne, dvs. udvendigt på posens øverste kant, har en stor sømstyrke. Forbrugeren kan 15 åbne en sådan emballage uden særlig omhyggelighed langs den oprivelige, aftagelige tætningssøm ved, at han bort-trækker den forreste vægdel fra den bageste vægdel, således at tætningssømmen bliver løsnet fra midten til begge sider. Denne åbning bliver bragt til ophør ved 20 krydsningsstederne med lukkesømmene til siderne som følge af deres større sømstyrke. Derved tilvejebringes en tiltalende og meget hensigtsmæssig anvendlig poseemballage, især ved anvendelsen som tobakspose. Som følge af den nye anbringelse af tætningssømmen opnås 25 også en forlænget holdbarhed af det emballerede materi ale, fordi aromaen og fugtigheden i emballagen opretholdes i stor udstrækning som følge af den hermetiske forsegling. Der anvendes ikke en klæbestofsøm, et laklag eller lignende midler som i kendte tilfælde, men ifølge 30 opfindelsen er posen lukket uden anvendelse af fremmed materiale, som vil kunne blande sig med det indeholdte materiale og indvirke på dets smag. Der kan nu også anvendes formstoffolier med materialebaner med forbed- 150723 4 rede barriereegenskaber, og med fordel kan en tobaksposes tæthed forbedres til forbedring af tobakkens holdbarhed, og den ved sædvanlige tobaksposer tilvejebragte overklap kan endog falde bort uden påvirkning af barrie-5 reegenskaberne.This object is achieved according to the invention by the fact that the bag packaging initially stated is characterized by the part of the characterizing part of the patent claim. By the precautions according to the invention, a bag packaging is provided which, on the one hand, at the junction seams of the seal and on the other, the two closure seams at the sides, i.e. The outside of the top edge of the bag has a great seam strength. The consumer may open such packaging without particular care along the peelable, removable sealing seam by pulling the front wall portion from the rear wall portion so that the sealing seam is released from the center to both sides. This opening is terminated at the 20 crossing points with the closure seams to the sides due to their greater seam strength. This provides an appealing and very conveniently usable bag packaging, especially when used as a tobacco bag. Due to the new placement of the sealing seam, an extended shelf life of the packaged material is also obtained because the aroma and moisture in the packaging is largely maintained as a result of the hermetic seal. No adhesive seam, lacquer layer or similar means is used as in known cases, but according to the invention, the bag is closed without the use of any foreign material which may interfere with the contained material and affect its taste. Plastic films with material webs having improved barrier properties can now also be used, and advantageously the density of a tobacco bag can be improved to improve the durability of the tobacco, and the overlap provided by conventional tobacco bags can even be removed without affecting the barrier properties.

Opfindelsen skal i det følgende nærmere beskrives med henvisning til tegningen, hvorpå: fig. 1 skematisk og perspektivisk viser en foretrukket udførelsesform for en emballage, hvor især tætningssømmen 10 er vist, fig. 2 viser i tværsnit en enkelthed ved fig. 1 inden for den punkterede cirkel A, fig. 3 viser ligeledes en enkelthed ved fig. 1 inden for den punkterede cirkel B, og 15 fig. 4 viser en anden udførelsesform for emballagen med forkortet klåpdel og tydelig fremstilling af krydsningssteder, ved hvilke tætningssømmen ved begge ender og lukkesømmene ved siderne krydser hinanden.The invention will now be described in more detail with reference to the drawing, in which: FIG. 1 is a schematic and perspective view of a preferred embodiment of a package, in particular the sealing seam 10 is shown; FIG. 2 shows in cross section a simplicity of FIG. 1 within the dotted circle A, fig. 3 also shows a simplicity of FIG. 1 within the dotted circle B, and FIG. 4 shows another embodiment of the shortened flap portion packaging and clear cross-site preparation, at which the sealing seam at both ends and the side seams intersect.

Den i fig. 1 viste emballage består af en trelags materi-20 alebane, hvis udvendige formstoffilm 1 består af polypro pylen med gode optiske egenskaber. Det midterste lag 2 er et papirindlæg. Undersøgelser har nemlig vist, at størstedelen af forbrugerne, især rygerne, foretrækker en pose, især tobakspose, som er blevet fremstillet efter den 25 traditionelle metode med papirindlæg omsluttet af gen nemsigtigt folie. Materialebanens tredje lag 3 er derfor som den såkaldte indre formstoffilm en særlig folie, som på ønsket måde adsorberer den ved lukningen af enkelt- 150723 5 lagene anvendte højfrekvensstråling alt efter sammensætning af dens bestanddele. Derved muliggøres fremstillingen af tætningssømmen 4 som en løsnelig, oprivelig lukkesøm. Tætningssømmen 4 og materialebanens lagopbyg-5 ning er tydelig vist i tværsnitsbillederne i cirklerne A og B i fig. 1 og i større målestok i fig. 2 og i fig.The FIG. 1 is a three-layer material web whose outer plastic film 1 consists of polypropylene with good optical properties. The middle layer 2 is a paper insert. Indeed, studies have shown that the majority of consumers, especially smokers, prefer a bag, especially a tobacco bag, which has been manufactured according to the traditional method of paper inserts encased in transparent film. The third layer 3 of the material web is therefore, like the so-called inner plastic film, a special film which, in the desired manner, adsorbs the high frequency radiation used in the closure of the single layers depending on the composition of its constituents. Thereby, the fabrication of the sealing seam 4 is made possible as a detachable, peelable closure seam. The sealing seam 4 and the layer structure of the material web are clearly shown in the cross-sectional images in circles A and B of FIG. 1 and on a larger scale in FIG. 2 and in FIG.

3. Tætningssømmen 4 forløber på tværs af materialebanens længderetning og er antydet ved en linje x-x-x i fig.3. The sealing seam 4 extends across the longitudinal direction of the material web and is indicated by a line x-x-x in FIG.

1 og 4. I venstre side af fig. 1 er posens materiale 10 vist i snit 11.1 and 4. In the left side of FIG. 1, the material 10 of the bag is shown in section 11.

I udførelsesformerne i fig. 1 og 4 ser man i den neder-ste del posedelen 5, som er dannet af to overfor hinanden liggende vægdele 6 og 7. Når man ser på den delvis åbne emballage i fig. 1 og 4, er 6 den forreste vægdel 13 og 7 den bageste vægdel. Den bageste vægdel er forlæng et opad til dannelse af en klapdel 8. Ved udførelses-formen i fig. 1 er denne klapdel væsentlig længere end ved udførelsesformen i fig. 4. Med den kun i fig. 4 viste klæbestrimmel 9 bliver klapdelen 8 efter embal-20 lagens fyldning og omfoldning nedad klæbet under eller bag på posens yderside. Bundkanten af posedelen 3 falder sammen med bundfalsen 10, som ved en videre bearbejdning af emballagen i udførelsesformen i fig. 1 også fremkommer der, men dog ikke er vist i fig. 1. De to sidekanter 25 12 forløber på tværs af bundfalsen 10 og også på tværs af den øverste kant 13, som danner posens 5 åbning.In the embodiments of FIG. 1 and 4 you can see in the lower part the bag part 5, which is formed by two opposite wall parts 6 and 7. When looking at the partially open packaging in fig. 1 and 4, 6 is the front wall portion 13 and 7 is the rear wall portion. The rear wall portion is extended upwardly to form a flap portion 8. In the embodiment of FIG. 1, this flap portion is substantially longer than in the embodiment of FIG. 4. With the one shown in FIG. 4, the flap portion 8, after the packaging and folding of the package 20, is clamped downwardly adhered below or behind the outside of the bag. The bottom edge of the bag portion 3 coincides with the bottom rim 10, which when further processing the packaging in the embodiment of FIG. 1 also appears but not shown in FIG. 1. The two side edges 25 12 extend across the bottom rim 10 and also across the upper edge 13 which forms the opening of the bag 5.

Mens den parallelt med bundfalsen 10 forløbende oprive-lige tætningssøm 4 er vist ved begge udførelsesformer i fig. 1-3 og fig. 4, er lukkesømmene 14 ved siderne 30 kun vist på højre side ved udførelsesformen i fig. 4 150723 6 i form af en dobbelt punkteret linje. Dér ser man også krydsningsstedet 15, ved hvilket den oprivelige tætningssøm 4 krydser lukkesømmen 14 ved siden. Af fig.While the upright sealing seam 4 extending parallel to the bottom rim 10 is shown in both embodiments of FIG. 1-3 and FIGS. 4, the closure seams 14 at the sides 30 are shown on the right hand side only in the embodiment of FIG. 4 150723 6 in the form of a double dotted line. There you can also see the crossing point 15, at which the upright sealing seam 4 crosses the closing seam 14 next to it. In FIG.

4 fremgår det derfor særlig tydeligt, hvorledes lukke-5 sømmene i siden løber igennem fra bundfalsen 10 til den øverste kant 13 med ensartet og større sømstyrke end styrken af tætningssømmen 4 , således at den oprivelige tætningssøm 4 med dens ringere sømstyrke kan findes mellem krydsningsstederne 15, hvorimod den øn-10 skede samme store sømstyrke som lukkesømmen 14 forelig ger i krydsningsstederne 15.4, it is therefore particularly evident how the closure seams of the side run through from the bottom seam 10 to the upper edge 13 with uniform and greater seam strength than the strength of the sealing seam 4, so that the zippered sealing seam 4 with its inferior seam strength can be found between the crossing points 15. whereas the desired 10 was the same great seam strength as the closure seam 14 is present in the crossing places 15.

DK363880AA 1979-08-28 1980-08-25 PACKAGING FOR AROMATIC AND / OR MOISTURE CONTAINING MATERIAL DK150723B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK490685A DK160008C (en) 1979-08-28 1985-10-25 PROCEDURE FOR PREPARING PACKAGING

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2934673 1979-08-28
DE19792934673 DE2934673A1 (en) 1979-08-28 1979-08-28 BAG PACK FOR AROMATIZED FILLING GOODS AND METHOD FOR PRODUCING THE PACK.

Publications (2)

Publication Number Publication Date
DK363880A DK363880A (en) 1981-03-01
DK150723B true DK150723B (en) 1987-06-09

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Family Applications (1)

Application Number Title Priority Date Filing Date
DK363880AA DK150723B (en) 1979-08-28 1980-08-25 PACKAGING FOR AROMATIC AND / OR MOISTURE CONTAINING MATERIAL

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EP (1) EP0024596B1 (en)
JP (1) JPS5632260A (en)
AT (1) ATE6617T1 (en)
AU (1) AU536317B2 (en)
CA (1) CA1156194A (en)
DE (2) DE2934673A1 (en)
DK (1) DK150723B (en)
FI (1) FI69611C (en)
IE (1) IE50467B1 (en)
NO (1) NO154830C (en)

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US3471005A (en) * 1968-03-18 1969-10-07 Brown & Williamson Tobacco Pipe tobacco pouch
DE2362351A1 (en) * 1973-12-14 1975-06-19 Vaassen Aluminium Tobacco pouch made from laminated rectangular foil - has welded seams of unequal tear strength
DK137305B (en) * 1974-04-23 1978-02-20 Brdr Schur Internat A S Tobacco pouch or similar packaging of the folding bag type.
DE2651079A1 (en) * 1976-11-09 1978-05-18 Focke Pfuhl Verpack Automat Packing bag assembly made of hot weldable foil - has opening with tear=off closure formed by foil layers joined by non-straight weld seam
SE403414B (en) * 1977-03-21 1978-08-14 Tetra Pak Int RESONATOR EQUIPPED WITH DEVICE FOR ADJUSTING THE RESONANCE FREQUENCY AND DEVICE FOR CREATING DIELECTRIC HEATING IN THIN FOILS
GB2004736B (en) * 1977-09-16 1982-08-04 Schur Int As Brdr Tobacco ppuches and similar packings
IT1088396B (en) * 1977-12-15 1985-06-10 Fameccanica Spa PROCEDURE FOR THE PRODUCTION AND FILLING OF BAGS AND EQUIPMENT AND RELATED MEANS FOR THE INSTALLATION OF THE SAME
FI793930A (en) * 1979-01-09 1980-07-10 Schur Int As Brdr SAMMANSATT FOLIE FOERFARANDE FOER DESS FRAMSTAELLNING OCH DESS ANVAENDNING

Also Published As

Publication number Publication date
FI802711A (en) 1981-03-01
EP0024596A1 (en) 1981-03-11
NO154830C (en) 1987-01-02
AU6155380A (en) 1981-04-09
NO802535L (en) 1981-03-02
FI69611C (en) 1986-03-10
DK363880A (en) 1981-03-01
DE2934673A1 (en) 1981-03-12
IE801804L (en) 1981-02-28
CA1156194A (en) 1983-11-01
EP0024596B1 (en) 1984-03-14
DE3066976D1 (en) 1984-04-19
ATE6617T1 (en) 1984-03-15
NO154830B (en) 1986-09-22
FI69611B (en) 1985-11-29
IE50467B1 (en) 1986-04-30
JPS5632260A (en) 1981-04-01
AU536317B2 (en) 1984-05-03

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