SI9110727A - Hid barrier packages for smoking articles and other products - Google Patents

Hid barrier packages for smoking articles and other products Download PDF

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Publication number
SI9110727A
SI9110727A SI9110727A SI9110727A SI9110727A SI 9110727 A SI9110727 A SI 9110727A SI 9110727 A SI9110727 A SI 9110727A SI 9110727 A SI9110727 A SI 9110727A SI 9110727 A SI9110727 A SI 9110727A
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film
heat
pack
layer
pack according
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SI9110727A
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SI9110727B (en
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Carl Christian Hein
Matthew Steven Koschak
Mark Stuart Powell
Peter Pendleton Shearer
M L Milly Wong
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Reynolds Tobacco Co R
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Abstract

Prikazana sta visokobarierni varivi zavojni material in visokobarierni toplotno varjen zavojček za izdelke za kajenje, kot npr. cigarete itd. Zavojni material obsega osnovni sloj polimernega filma, kot npr. dvoosno orientiranega polietilen tereftalatnega (PET) filma, ki je metaliziran na eni njegovi površini s slojem kovine, kot npr. aluminija. Metaliziran film je nato potiskan z barvo z vzorcem in/ali tiskovino na bodisi metaiizirani ali nemetalizirani površini. Po ali istočasno s tiskanjem nanesemo toplotno variv sloj na tiskano in/ali netiskano površino, da tvorimo toplotni zvar okoli katerega je ovit material. V eni izvedbi visokobarierni zavojni material uporabimo kot ovoj za cigaretni zavojček, ki ima trgalni trak za odstranjevanje enega konca ovoja. V drugi izvedbi visokobarierni zavojni material uporabimo kot ovoj za karton, ki vsebuje več cigaretnih zavojčkov in ima trgalni trak za odstranjevanje konca ovoja kartona.High barrier welding material is shown and high-barrier heat-welded coil for smoking products, such as cigarettes etc. Coiled the material comprises a polymer film base layer, such as e.g. biaxially oriented polyethylene terephthalate (PET) film that is metallized on one of its surface s metal layer, such as aluminum. It's a metallic film then printed with ink with pattern and / or printed on either metaized or nonmetallized surface. After or at the same time as printing, apply a heat-sealable layer to printed and / or non-printed surface to form a thermal weld around which the material is wrapped. In one embodiment we use high barrier bandage material as a wrapping material for a cigarette pack that has a tear strip to remove one end of the sheath. In another embodiment, high barrier we use the wrapping material as a cardboard wrap, containing multiple cigarette packs and having a tear strip to remove the end of the cardboard wrap.

Description

Visokobarierni zavojčki za izdelke za kajenje in druge produkteHigh barrier packs for smoking products and other products

Predloženi izum se nanaša na visokobarierne toplotno varive zavojčke, zlasti za izdelke za kajenje, kot npr. cigarete, in za druge produkte, in na visoko barierni toplotno varivi material za zavijanje.The present invention relates to high-barrier heat-welding coils, especially for smoking products, such as e.g. cigarettes, and for other products, and on high-barrier heat-sealing wrapping material.

Popularni izdelki za kajenje, kot npr. cigarete, imajo v bistvu zgradbo v obliki valjaste palice in vključujejo vsebino materiala za kajenje, kot npr. zrezan tobak (npr. narezano polnilo) obdano s papirnim ovojem, pri čemer nastane t.i. tobačna palica. Zaželeno pa je postalo izdelovati cigarete, ki imajo valjaste filtrne elemente uvrščene drug za drugim s tobačno palico. Značilno so filtrni elementi izdelani iz vlaknastih materialov, kot npr. acetatne celuloze in ovoja za čep in so dodani k tobačni palici z uporabo omejevalnega materiala za ustnike. Take cigarete s filtrnimi elementi so znane kot cigarete s filtrom.Popular smoking products, such as Cigarettes, in essence, have a cylindrical rod-shaped structure and include the contents of smoking material, such as e.g. sliced tobacco (eg sliced filler) surrounded by a paper wrapper to form a so-called. tobacco stick. However, it became desirable to make cigarettes that have cylindrical filter elements arranged one after the other with a tobacco stick. Typically, filter elements are made of fibrous materials such as e.g. acetate cellulose and a plug wrap and are added to the tobacco rod using a mouthpiece restrictive material. Such filter element cigarettes are known as filter cigarettes.

Cigarete s filtrom se običajno prodajajo v zavojčkih, pri čemer vsak zavojček normalno vsebuje dvajset (20) cigaret. Značilni cigaretni zavojčki imajo na splošno obliko pravokotnega paralelepipeda. Ena vrsta popularnega cigaretnega zavojčka ima embalažo z obliko t.i. trd zavojček, škatla odporna proti zdrobljenju ali zavojček z zgibnim pokrovom. Druga vrsta popularnega cigaretnega zavojčka ima embalažo z obliko, t.i. mehki zavojček. Obe vrsti cigaretnih zavojčkov sta običajno pakirani v kartonih, ki imajo na splošno prav tako obliko pravokotnega paralelepipeda, značilno deset (10) zavojčkov v kartonu.Filter cigarettes are usually sold in packs, with each pack normally containing twenty (20) cigarettes. Typical cigarette packs generally have the shape of a rectangular parallelepiped. One type of popular cigarette pack comes in the form of t.i. a hard pack, a box resistant to breakage, or a pack with a hinged lid. Another type of popular cigarette pack comes in the form packaging, i.e. a soft bandage. Both types of cigarette packs are typically packaged in cartons, which generally also have the shape of a rectangular parallelepiped, typically ten (10) packets per carton.

Prej omenjene vrste običajnih ciagretnih zavojčkov so oblikovane tako, da vzdržujejo svežost in vsebnost vlage cigaret in zaščitijo cigarete pred škodljivimi zunanjimi vplivi, ki lahko zmanjšujejo svežost in kvaliteto cigaret. Taki običajni cigaretni zavojčki značilno obsegajo tri ločene ovoje: (1) notranji vložek iz folije, ki obsega kovinsko folijo laminirano na papirni substrat ali metaliziran papir, ki je ovit okoli cigaret in zapognjen, toda ni zavarjen, na koncih cigaret; (2) mehek ali trd zavojček iz papirja ali lepenke, ki je navadno natiskan s specifično informacijo o znamki cigaret; in (3) zunanji prozoren ovoj iz toplotno varivega polimernega filma, ki je toplotno zvarjen.The aforementioned types of conventional ciagret packs are designed to maintain the freshness and moisture content of cigarettes and to protect cigarettes from harmful external influences that may impair the freshness and quality of cigarettes. Such conventional cigarette packs typically comprise three separate envelopes: (1) an inner foil insert comprising a metal foil laminated to a paper substrate or metallized paper wrapped around but not welded at the ends of cigarettes; (2) a soft or hard packet of paper or cardboard, usually printed with specific information on the brand of cigarettes; and (3) an outer transparent sheath made of a thermally welded polymer film which is thermally welded.

Trak polimernega materiala, ki je znan kot trgalni trak je namenjen za lahko odpiranje polimernih ovojnih filmov. Trgalni trak je nameščen blizu in vzporedno zgornjemu robu zavojčka. En konec trgalnega traka običajno štrli rahlo od zavojčka kot jeziček. Da odpre zavojček, kadilec potegne jeziček, da odpre polimerni ovoj. Zlasti potegne štrleči jeziček trgalnega traku, da raztrga polimerni ovoj vzdolž obeh robov trgalnega traku in odstrani polimerni ovoj, ki pokriva vrh embalaže. Vrh zavojčka nato odpre, t.j. notranji vložek iz folije odpre z raztrganjem v primeru mehkega zavojčka ali odpre zgibni pokrov trdega zavojčka z zavihtenjem in del notranjega vložka iz folije odstrani, da odkrije konce cigaret, ki jih vsebuje. Kadilec nato prime konec, navadno filtrni konec cigarete z njegovimi/njenimi prsti, da jo vzame iz zavojčka.A strip of polymeric material known as tear-off tape is intended for the easy opening of polymeric wrapping films. The tear band is placed near and parallel to the upper edge of the pack. One end of the ribbon usually protrudes slightly from the pack as a tab. To open the pack, the smoker pulls the tab to open the polymer wrap. In particular, it pulls the protruding tab of the tear tape to tear the polymer sheath along both edges of the tear tape and remove the polymer sheath that covers the top of the packaging. The top of the pack then opens, i.e. it opens the inner cartridge by tearing in the case of a soft pack or opens the hinged lid of the hard pack by twisting and removes a portion of the inner cartridge from the foil to reveal the ends of the cigarettes it contains. The smoker then receives the end, usually the filter end of the cigarette with his / her fingers, to remove it from the pack.

Značilno polimerni ovojni material obsega orientiran polipropilen (OPP), ki je lahko (a) toplotno variv modificiran orientiran polipropilen, (b) z akrilom prevlečen toplotno variv polipropilen ali (c) koekstrudiran OPP film ABA vrste, kjer so A sloji s fuzijsko toploto varivi polipropilen/polietilen kopolimeri in B sloj orientiran homopolimer polipropilena. Sestava toplotno varivih slojev je izbrana tako, da optimira lastnosti toplotnega varjenja ovoja, t.j. najnižjo uporabno temperaturo toplotnega varjenja in najkrajši uporabni zadrževalni čas. Istočasno pa toplotno varivi sloj ovoja navadno zagotavlja potrebne drsne in antilepilne lastnosti tako, da oviti cigaretni zavojčki, z lahkoto drsijo ali polzijo z ozirom drug na drugega med procesom izdelave in med razdeljevanjem cigaretnih zavojčkov npr. iz cigaretnega prodajalnega avtomata. Torej je izbira sestave toplotno varivega sloja v bistvu kompromis med optimalnimi lastnostmi toplotnega varjenja in optimalnimi drsnimi lastnostmi.Typically, the polymeric envelope material comprises oriented polypropylene (OPP) which can be (a) heat-welded modified oriented polypropylene, (b) acrylic-coated heat-weldable polypropylene, or (c) coextruded OPP film of ABA type, where A layers are fusion-weldable polypropylene / polyethylene copolymers and B layer oriented homopolymer of polypropylene. The composition of the heat-sealing layers is selected to optimize the thermal welding properties of the wrapper, i.e. the lowest usable heat-welding temperature and the shortest usable dwell time. At the same time, the heat-sealing layer of the wrapper usually provides the necessary sliding and adhesive properties such that the wrapped cigarette packs can easily slide or crawl with respect to each other during the manufacturing process and during the distribution of cigarette packs, e.g. from a cigarette vending machine. So choosing the composition of a heat-welding layer is basically a trade-off between the optimum thermal welding properties and the optimum sliding properties.

Pri normalnih pogojih shranjevanja in normalnem skladiščenju, je običajen cigaretni zavojček, opisan zgoraj, sposoben ohraniti svežost in vsebino vlage cigaret na sprejemljivem nivoju omejeno časovno obdobje. Vendar pa, če so cigaretni zavojčki izpostavljeni daljšemu kot normalnemu skladiščenju ali če so cigaretni zavojčki shranjeni pri nenavadno vročih in/ali suhih atmosferskih pogojih, običajni zavojček ne zaščiti zadostno svežosti in vsebine vlage cigaret. Zlasti notranji vložek iz folije običajnega cigaretnega zavojčka ima v glavnem dekorativni namen v kolikor je vložek iz folije s papirnato podlago, samo prekrit po njegovem vzdolžnem robu in zapognjen zgoraj in spodaj zavojčka brez varjenja. Tako notranji vložek iz folije zagotavlja malo ali nič bariere za prehod kisika in vlage med cigaretami v zavojčku in obdajajočo atmosfero. Medtem ko je barierna učinkovitost običajnega toplotno varjenega OPP ovoja bistveno večja kot običajnega notranjega vložka iz folije, pa običajni ovoj dopušča izgubo vlažnosti in arome v obdobju več tednov, tako da potrošnik lahko zazna spremembo v svežosti produkta. Če pride do podaljšanega skladiščenja ali shranjevanja pri škodljivih temperaturnih in vlažnih pogojih, lahko nastane nesvežost tobaka, izguba vlažnosti in izguba arome in vonja tobaka, vključno z izgubo dodatkov za vonj, kot npr. mentola.Under normal storage and normal storage conditions, the conventional cigarette pack described above is able to maintain the freshness and moisture content of cigarettes at an acceptable level for a limited period. However, if the cigarette packs are exposed to longer than normal storage or if the cigarette packets are stored under unusually hot and / or dry atmospheric conditions, the normal packet does not adequately protect the freshness and moisture content of the cigarettes. In particular, the inner cartridge foil of a conventional cigarette pack has mainly decorative purposes insofar as it is a paper foil cartridge, only covered along its longitudinal edge and folded above and below the pack without welding. Thus, the inner foil insert provides little or no barrier to the passage of oxygen and moisture between the cigarette pack and the surrounding atmosphere. While the barrier performance of a conventional heat-sealed OPP wrap is significantly higher than that of a conventional inner foil insert, the conventional wrap allows moisture and aroma to be lost over several weeks so that the consumer can detect a change in product freshness. Prolonged storage or storage under adverse temperature and humidity conditions can result in tobacco friability, loss of humidity and loss of tobacco aroma and odor, including loss of odor additives such as e.g. menthol.

Karton v katerem so zaviti posamezni cigaretni zavojčki po 20 cigaret (značilno 10 zavojčkov v kartonu) je embalaža iz zapognjene lepenke, rahlo zlepljena skupaj z lepilom in v bistvu ne zagotavlja barierne zaščite. Cigaretni kartoni, namenjeni za domačo uporabo navadno niso opremljeni s kartonskim ovojem, medtem ko so kartoni namenjeni za izvoz nadalje oviti s toplotno varjenim OPP ovojem, ker je skladiščenje med izdelavo in uporabo izvoznih produktov značilno daljše kot skladiščenje za domače produkte.Cardboard in which individual cigarette packs of 20 cigarettes are wrapped (typically 10 packets per carton) is a packing made of folded cardboard, slightly glued together with the adhesive and essentially does not provide barrier protection. Cigarette cartons intended for domestic use are usually not provided with a cardboard wrapper, while cartons intended for export are further wrapped with a thermally welded OPP wrapper since storage during production and use of export products is typically longer than storage for domestic products.

Različni ovoji za pakiranje in notranji vložki so bili predlagani za izboljšanje bariernih lastnosti cigaretnih zavojčkov. Npr. U.S. patent št. 3,948,389 Molinsa in drugih prikazuje zračno neprepusten notranji vložek za cigaretni zavojček, kjer je zračno neprepustna cev ravno zvarjena z nastalim robom, pri čemer so konci v obliki trikotnikov zapognjeni proti zavojčku. Zaradi nastale neobičajne zgrabe zaključnega zaklopa, zavojčki ne morejo biti varjeni z običajno opremo za izdelavo cigaretnih zavojčkov.Various packaging wrappers and inner cartridges have been proposed to improve the barrier properties of cigarette packs. E.g. U.S. patent no. No. 3,948,389 to Molins et al. Shows an airtight inner cigarette pack insert where the airtight tube is welded flat with the resulting edge, with triangular ends bent toward the pack. Due to the unusual grab of the closing flap, the packets cannot be welded with conventional cigarette packing equipment.

U.S. patent št. 4,375,260 Fockeja in drugih, prikazuje notranji vložek iz laminirane folije, ki ima kot v primeru prej omenjenega patenta Molinsa in drugih nenavadno strukturo zaključnega zaklopa in zato ne more biti narejen z običajno opremo za pakiranje cigaret. Razen tega ima od Fockeja in drugih notranji vložek poprej perforirano obliko za lahko odpiranje, ki ima lahko za posledico prekinitev neprepustnega sloja folije in s tem znižanje bariernih Jasnosti notranjega vložka.U.S. patent no. No. 4,375,260 to Focke et al., Shows a laminate inner cartridge which, as in the case of the aforementioned Molins patent and others, has an unusual shutter structure and cannot therefore be made with conventional cigarette packing equipment. In addition, from Focke and others, the inner cartridge has a previously perforated, easy-to-open design, which can result in breaking the impermeable film layer and thereby reducing the barrier clarity of the inner cartridge.

U.S. patent št. 4,807,745 Langleya in drugih je prenesen na prevzemnika tega izuma in prikazuje barierni toplotno varjeni cigaretni zavojček. Material za zavojček obsega relativno debel laminat narejen iz sloja folije, na katerega sta adhezivno vezana na nasprotnih straneh dva sloja dvoosno orientiranega homopolimera polipropilena in so naneseni zunanji in notranji površinski sloji toplotno varivega termoplastičnega polimera. Ta laminat je prikazan kot da je uporaben kot ovoj za mehek ali trd zavoj ali kot varjen notranji vložek za mehek ali trd zavoj. Čeprav je ovojni laminat za zavojčke, ki je prikazan od Langleya in drugih med okoli 38,1 μιη do okoli 63,5 μτη, je le-ta v bistvu kompatibilen z običajno pakirno opremo za cigarete in ima zunanji izgled primerljiv z običajnimi cigaretnimi zavojčki.U.S. patent no. No. 4,807,745 to Langley et al. Has been transferred to the transferee of the present invention, showing a barrier heat-sealed cigarette pack. The packing material comprises a relatively thick laminate made of a layer of foil to which two layers of a biaxially oriented polypropylene homopolymer are bonded adhesively on opposite sides and the outer and inner surface layers of a thermally weldable thermoplastic polymer are applied. This laminate is shown to be useful as a sleeve for a soft or hard wrap or as a welded inner insert for a soft or hard wrap. Although the wrapping laminate for packagings shown from Langley and others ranges from about 38.1 μιη to about 63.5 μτη, it is essentially compatible with conventional cigarette packing equipment and has an external appearance comparable to conventional cigarette packs.

Zaželeno je, da zagotovimo toplotno variv visokobarierni ovoj za cigaretne zavojčke ali ovoj za cigaretni karton enake ali manjše mere, kot je tista od običajnega OPP ovoja za zavojčke in izvozne kartone. Tak ovoj želeno ohranja svežost in vsebino vlage cigaret vsebovanih v zavojčku ali kartonu, torej zmanjšuje spremembe, katere lahko zazna potrošnik po poteku običajnega časovnega obdobja med izdelavo in uporabo cigaret. Razen tega tak ovoj lahko poveča običajni čas skladiščenja cigaret ali ohrani skladiščenje enako ali daljše od običajnega skladiščenja pri najbolj škodljivih okoliščinah shranjevanja. Prednostno je tak cigaretni zavojček ali karton prav tako kompatibilen z obstoječo opremo za izdelavo in pakiranje cigaret do obsežnosti tako, da niso potrebne večje modifikacije te opreme za vzdrževanje proizvodnje, vsaj enake sedanji proizvodnji cigaretnih zavojčkov in kartonov. Razen tega je zaželeno, da zagotovimo visokobarierni cigaretni zavojček, ki ima zunanji videz vsaj primerljiv z običajnimi cigaretnimi zavojčki in ga prav tako lahko odpremo na enak način kot običajni cigaretni zavojček. Prav tako želimo zagotoviti visokobarierni cigaretni zavojček, ki ima drsne lastnosti ekvivalentne ali boljše kot običajni cigaretni zavojčki.It is desirable to provide a heat barrier high barrier pack for cigarette packs or a cigarette carton packet equal or smaller in size than that of a conventional OPP packet for packets and export cartons. Such a package desirably preserves the freshness and moisture content of cigarettes contained in a pack or carton, thus reducing changes that can be perceived by the consumer after the usual period of time between the manufacture and use of cigarettes. In addition, such wrapping may increase the normal storage time of cigarettes or maintain storage equal to or longer than normal storage under the most harmful storage conditions. Preferably, such a cigarette pack or carton is also compatible with existing equipment for the manufacture and packaging of cigarettes to an extent that no major modification of this equipment is required to maintain production at least equal to the current production of cigarette packs and cartons. In addition, it is desirable to provide a high barrier cigarette pack that has an appearance that is at least comparable to conventional cigarette packs and can also be opened in the same manner as a conventional cigarette pack. We also want to provide a high-barrier cigarette pack that has sliding properties equivalent to or better than conventional cigarette packs.

Predloženi izum zagotavlja visokobarierni toplotno zavarjen zavojček za izdelke za kajenje, kot npr. cigarete, cigare, cigarilose ipd., in toplotno variv barierni zavojni material. V prikazanih izvedbah je ovoj zavojčka ovit okrog cigaretnega zavojčka ali cigaretnega kartona, ki ima obliko pravokotnega paralelepipeda s prekritim vzdolžnim stranskim robom in prekritima zgoraj in spodaj zapognjenima končnima zaklopoma in toplotno zavarjen na v bistvu enakih mestih kot običajni ovoj cigaretnega zavojčka ali ovoj izvoznega kartona. Alternativno lahko zagotovimo prekrit rob zgoraj in spodaj pri zavojčku in lahko zagotovimo zapognjene zaklope in toplotno zavarimo na robovih zavojčka. Ovoj zavojčka v smislu izuma je prav tako primeren za ovijanje cigaretnih zavojčkov ali kartonov, ki imajo drugačno obliko kot pravokotni paralelepiped, vključno npr. valjaste ali poliedrske oblike.The present invention provides a high-barrier heat-sealed pack for smoking products, such as e.g. cigarettes, cigars, cigarillos, etc., and heat-barrier barrier material. In the embodiments shown, the wrapper is wrapped around a cigarette pack or cigarette carton, having the shape of a rectangular parallelepiped with a longitudinal side edge covered and folded end flaps above and below, and heat welded at substantially the same locations as a conventional cigarette pack or wrapper wrapper. Alternatively, we can provide a covered edge up and down the coil, and we can provide bent locks and heat weld at the edges of the coil. The wrapper of the invention is also suitable for wrapping cigarette packs or cartons of a shape other than rectangular parallelepiped, including e.g. cylindrical or polyhedral shapes.

Čeprav je barierni zavojni material, ki je prikazan tukaj, posebno uporaben pri zavijanju izdelkov za kajenje, je prav tako uporaben pri zavijanju drugih izdelkov ali produktov, zlasti takih, ki so zaviti v pravokotno paralelepipedno embalažo. Primeri drugih produktov, ki jih lahko prikladno zavijamo v skladu z izumom so tobak za žvečenje in tobak za pipe, pri katerih je želeno da ohranimo svežost in vsebino vlage.Although the barrier wrapping material shown here is particularly useful in wrapping smoking products, it is also useful in wrapping other products or products, especially those wrapped in rectangular parallelepiped packaging. Examples of other products that can be conveniently wrapped according to the invention are chewing tobacco and tap tobacco, in which it is desired to maintain the freshness and moisture content.

Barierni zavojni material v skladu z izumom obsega osnovni sloj iz polimernega filma, prednostno dvoosno orientiranega toplotno oblikovanega polietilentereftalatnega filma (PET) z debelino od okoli 6,35 μτη do okoli 31,75 μτη, ki je bil metaliziran z običajno tehniko vakuumskega nanosa s slojem kovine, prednostno aluminija, z debelino, ki daje optično gostoto okoli 1,5 do 3,0. Sloj poliestrskega filma ima lahko bodisi svetlečo površinsko obdelavo ali mat obdelavo, tako da ima po metalizaciji z aluminijem svetleč površinski film, lesketajočo, blestečo in visoko reflektivno površino in ima mat obdelani film mehko, satenu podobno, nizko reflektivno površino. Po metaliziranju PET film zvijemo na valje pri pripravi za tiskanje.The barrier wrapping material according to the invention comprises a polymer film base layer, preferably a two-axis oriented thermally formed polyethylene terephthalate (PET) film having a thickness of from about 6.35 μτη to about 31.75 μτη, which has been metallized by conventional vacuum coating technique metals, preferably aluminum, with a thickness giving an optical density of about 1.5 to 3.0. The polyester film layer may have either a luminous surface finish or a matte finish, such that after metallization with aluminum, it has a luminous surface film, a shiny, shiny and high reflective surface, and a matt machined film has a soft, satin-like, low reflective surface. After metallizing the PET, the film is rolled onto the rollers in preparation for printing.

Osnovni sloj je lahko prav tako orientiran polipropilenski enoslojni ali koekstrudiran film z debelino od okoli 19,05 μτη do okoli 31,75 μτη ali orientiran najlonski film z debelino od okoli 12,7 μτη do okoli 25,4 jim. Ti materiali so označeni z relativno visoko natezno in trgalno trdnostjo in če so vakuumsko metalizirani z aluminijem do debeline opisane zgoraj za PET film, imajo barierne lastnosti bistveno boljše kot običajni ovoj cigaretnega zavojčka.The base layer may also be oriented polypropylene monolayer or co-extruded film having a thickness of about 19.05 μτη to about 31.75 μτη or oriented nylon film with a thickness of about 12.7 μτη to about 25.4 µm. These materials are characterized by a relatively high tensile and tear strength, and when vacuum-metallized with aluminum to the thickness described above for PET film, the barrier properties are significantly better than a conventional cigarette pack wrapper.

Metaliziran osnovni sloj nato potiskamo s ponovljivim vzorcem in/ali drugimi stvarmi, npr. s specifično informacijo o znamki cigaret, direktno bodisi na metalizirano ali nemetalizirano površino sloja. Prednostno je metalizirana površina zaščitena tako, da zagotavlja abrazijsko odpornost metalnega preslojenja. Odvisno od formulacije barvila, ki ga uporabimo je morda potrebno najprej preslojiti površino osnovnega sloja s snovjo, ki zvišuje adhezijo, kot npr. polietilenaminom (PEI). Prozorna, polnjena s kovino in/ali neprozorna tiskarska barvila, se prednostno uporabljajo pri običajnih tehnikah tiskanja, kot pri npr. pri postopku za globoki tisk ali fleksografskem postopku. Posebno prednostna je uporaba prozornega tiskarskega barvila, ki dovoljuje da je reflektivnost metalizirane površine vidna skozi tiskarsko barvilo in s tem daje atraktivne in razlikovalne predstave tako grafike kot tudi zavojnih materialov. Barvila, ki uporabljajo sisteme poliestrskih smol so prednostna zaradi njihovih adezijskih in fizikalno odpornostnih lastnosti, vendar prav tako lahko uporabimo sisteme barvil na osnovi nitroceluloze ali poliamidov.The metallized base layer is then pushed with a repeatable pattern and / or other things, e.g. with specific information on the brand of cigarettes, either directly on the metallized or nonmetallized surface of the layer. Preferably, the metallized surface is protected to provide abrasion resistance of the metal coating. Depending on the dye formulation used, it may be necessary to first coat the surface of the base layer with an adhesion-enhancing agent, such as e.g. polyethyleneamine (PEI). Transparent metal-filled and / or opaque printing inks are preferably used in conventional printing techniques such as e.g. for the intaglio or flexographic procedure. Particularly preferred is the use of a transparent printing ink, which allows the reflectivity of the metallized surface to be visible through the printing ink, and thus provides attractive and distinctive representations of both graphics and wrapping materials. Dyes using polyester resin systems are preferred because of their adhesion and physically resistant properties, but nitrocellulose or polyamide based dye systems may also be used.

Po tiskanju ali istočasno s tiskanjem vzorca, grafik itd., nanesemo toplotno variv sloj na tiskane in/ali netiskane površine metaliziranega filma. V prednostni izvedbi nanesemo prozoren toplotni zvar v poprej določen ponovljiv vzorec na obeh površinah metaliziranega PET filma, t.j. na tiskani strani in na nasprotni netiskani strani, na mesta blizu stranskih robov in vzdolž prečnega traku, ustrezno glede na zgornje in spodnje zapognjene zaklope in vzdolžni delno prekrit rob ovoja zavojčka. V določenih izvedbah predloženega izuma, lahko toplotno varivi sloj nanesemo na celotno površino ene ali obeh strani metaliziranega polimernega filma.After printing, or simultaneously with the printing of the sample, graphics, etc., apply a heat-sealable layer to the printed and / or non-printed surfaces of the metallized film. In a preferred embodiment, a transparent thermal weld is applied to a predetermined reproducible pattern on both surfaces of the metallized PET film, i.e. on the printed side and on the opposite non-printed side, to places close to the side edges and along the transverse strip, with respect to the upper and lower folded flaps and the longitudinally partially covered edge of the wrapper. In certain embodiments of the present invention, a heat-sealable layer can be applied to the entire surface of one or both sides of a metallized polymer film.

Toplotno varivi sloji so prednostno prozorni (lahko so tudi prosojni ali neprezorni) termoplastični materiali, ki ima optimalne lastnosti za vroče lepljenje in minimalne temperature varjenja v območju od okoli 90°C do okoli 135°C. Termoplastični materiali, primerni za uporabo kot toplotno varivi sloj, vključujejo kondenzacijske polimere tvorjene iz etilenglikola in tereftalne kisline (PET); kopolimere etilena in vinilacetata z vinilacetatom v obsegu od 4,5 % do 28 % (EVA); vinilna preslojenja tvorjena s prosto radikalsko dodatno reakcijo vinilacetata in raznih vinilnih monomerov, akrilatnih estrov, vinilklorida, vinilidenklorida, dibutilnega in drugih dialkilnih maleatov in drugih tržno dosegljivih komonomerov; polimeri dobljeni s polimerizacijo monomera karboksilne kisline in etilena, ki reagirajo z natrijem, kalijem ali cinkom (ionomer); ali disperzijo modificiranega polipropilena v alifatskem ogljikovodiku z visokim vreliščem. Uporabna masa toplotno varivih polimerov lahko obsega območje od 1,6 do 9,8 g/m2 osnovnega sloja (predpostavimo uporabo na eno celotno površino osnovnega sloja) in zagotavlja toplotno varivo širino, če potegnemo na Instronu, v skladu z običajnimi testnimi postopki za trdnost zvara.Thermally weldable layers are preferably transparent (they may also be translucent or non-transparent) thermoplastic materials having optimum properties for hot bonding and minimum welding temperatures in the range of about 90 ° C to about 135 ° C. Thermoplastic materials suitable for use as heat-sealing coatings include condensation polymers formed from ethylene glycol and terephthalic acid (PET); copolymers of ethylene and vinyl acetate with vinyl acetate in the range of 4.5% to 28% (EVA); vinyl coatings formed by the free radical additional reaction of vinyl acetate and various vinyl monomers, acrylate esters, vinyl chloride, vinylidene chloride, dibutyl and other dialkyl maleates and other commercially available comonomers; polymers obtained by the polymerization of carboxylic acid and ethylene monomers reacting with sodium, potassium or zinc (ionomer); or dispersion of modified polypropylene in a high boiling aliphatic hydrocarbon. The usable mass of thermally weldable polymers can range from 1.6 to 9.8 g / m 2 of the base layer (assume use over one entire surface of the base layer) and provides a heat-weldable width when pulled on Instron according to the usual test procedures for strength of the weld.

Prednosten za toplotno varjenje je termoplastičen poliester nanesen z maso od 1,6 do 4,9 g/m2 (predpostavimo uporabo na celotno površino osnovnega sloja), ki zagotavlja trdnost zvara okoli 53,6 kg/m zvarjene širine preko temperaturnega območja varjenja od okoli 99°C do okoli 190°C. Pomembna prednost, da raje nanašamo toplotno varivi sloj na ovojni film v vzorec, ki sovpada, kakor pa kot vrhnji sloj, ki bi popolnoma pokril obe strani ovojnega filma je ta, da na drsne lastnosti ovoja v smislu izuma ne vpliva škodljivo sestava toplotno varivega sloja, ampak le-te zavisijo od drsnih lastnosti potiskane površine ovojnega filma. Po tiskanju in nanašanju toplotno varivega sloja ali vzorca, metaliziran PET film odrežemo na širino in zatem zvijemo na valje, prikladne za uporabo v stroju za izdelavo ovojev za cigaretni zavojček ali karton.Preferred for thermal welding is thermoplastic polyester coated with a mass of 1.6 to 4.9 g / m 2 (assuming use over the entire surface of the base layer), which provides a weld strength of about 53.6 kg / m welded width over the welding temperature range of about 99 ° C to about 190 ° C. An important advantage of preferring to apply a heat-sealable layer to a cover film in a pattern which is coincident than to have a top coat to completely cover both sides of the cover-film is that the sliding properties of the wrapper according to the invention are not adversely affected by the composition of the heat-sealable layer , but these depend on the sliding properties of the printed surface of the wrapping film. After printing and applying the heat-sealing layer or sample, the metallized PET film is cut to width and then rolled up onto rollers suitable for use in a machine for making wrappers for a cigarette pack or carton.

Ovojni material za zavojček, ki obsega potiskan metaliziran PET film z nanesenim sovpadajočim toplotno varivim slojnim vzorcem, uporabljamo v običajnih napravah za zavijanje cigaret za ovijanje mehkih zavojev ali trdih zavojev cigaret z običajnim trgalnim trakom. Vsak potiskan ovoj odrežemo iz zvitka, ovijemo okoli mehkega ali trdega zavojčka, čez trgalni trak in toplotno zavarimo po njegovem vzdolžnem robu pri prečno toplotno varivem traku. Zgornje in spodnje končne zak7 lope nato zapognemo preko in toplotno zavarimo, da nastane neprozoren, visokobarieren cigaretni zavojček, ki ima bistveno daljši čas skladiščenja napram običajnim cigaretnim zavojčkom s prozornim polipropilenskim ovojem.The wrapping material comprising a printed metallized PET film with a matched heat-sealing layer pattern is used in conventional cigarette wrappers for wrapping soft turns or hard cigarette packs with a conventional tear strip. Each printed wrap is cut off from a roll, wrapped around a soft or hard packet, across the tear tape and welded thermally along its longitudinal edge with a transverse heat-sealing tape. The upper and lower end sockets are then folded over and heat welded to produce a opaque, high barrier cigarette pack which has a significantly longer storage time than conventional cigarette packs with a transparent polypropylene wrapper.

Ovojni material za zavojček v smislu izuma, ki obsega potiskan, metaliziran PET film s sovpadajočim toplotno varivim slojem lahko prav tako uporabimo v običajnih napravah za cigaretne kartone za ovijanje običajnih kartonov iz lepenke za cigaretne zavojčke. Tak kartonski ovoj je posebno prednosten v primeru izdelave cigaret za izvoz in je bistvena izboljšava napram OPP kartonskemu ovoju, ki se običajno uporablja za izvozne produkte. Če je cigaretni karton ovit z metaliziranim PET filmom, v smislu izuma ni bistveno, da posamezne cigaretne zavojčke v kartonu ovijemo z istim metaliziranim PET filmom, zato da dosežemo daljši čas skladiščenja, zagotovljen z izumom.The wrapping material of the invention according to the invention, comprising a printed, metallized PET film with a matching heat-sealing layer, can also be used in conventional cigarette cardboard devices for wrapping conventional cardboard cardboard packagings. Such a cardboard wrap is particularly preferred in the case of the manufacture of cigarettes for export and is a significant improvement over the OPP cardboard wrap, which is commonly used for export products. If the cigarette carton is wrapped with metallized PET film, it is not essential in the invention that the individual cigarette packs in the carton be wrapped with the same metallized PET film in order to achieve the longer storage time provided by the invention.

S stališča, da zmanjšamo možno onesnaževaje je lahko koristno, da zavarimo ovoj v smislu izuma ali njegove dele na spodnji papirnat (mehek zavoj) ali lepenkast (trdi zavoj) cigaretni zavojček tako, da ovoj ni lahko odstranljiv od spodnjega zavojčka. Če ovoj ni toplotno zavarjen na, ampak je odstranljiv od spodnjega cigaretnega zavojčka, je prednostno, da je spodnji zavojček iz papirja ali lepenke, potiskan z identičnim vzorcem in stvarmi, kot ovoj, tako zavojček ohrani identifikacijo znamke cigaret celo če ovoj odstranimo in odvržemo.From the viewpoint of reducing possible contamination, it may be advantageous to weld the wrapper of the invention or portions of it to a lower paper (soft pack) or cardboard (hard pack) cigarette pack so that the wrap is not easily removable from the bottom pack. If the wrapper is not thermally welded to but removable from the lower cigarette pack, it is preferable that the lower packet is made of paper or cardboard, printed with the same pattern and stuff as the wrapper, so that the packet retains the identification of the cigarette mark even if the wrapper is removed and discarded.

Posebna prednost predloženega izuma je, da ima ovoj iz poliestrskega filma večjo trgalno trdnost in prebojno odpornost kot običajni ovoj iz OPP filma. Razen tega, prisotnost metaliziranega sloja na ovoju iz PET filma prednostno daje zavojček s kovinskim sijajem ali bleskom, ki značilno zvišuje videz in zaznavnost kvalitete zavitega produkta.A particular advantage of the present invention is that the polyester film sheath has a higher tear strength and penetration resistance than the conventional OPP film sheath. In addition, the presence of a metallized layer on the PET film sheath preferably gives the pack a metallic sheen or gloss, which significantly enhances the appearance and discernment of the quality of the wrapped product.

V skladu z drugo izvedbo predloženega izuma, uporabimo metaliziran PET film s toplotno varivim slojem, nanesenem v poprej določenem vzorcu, kot notranji vložek namesto laminata iz kovinske folije/papiija, ki je uporabljen kot notranji vložek v običajnem cigaretnem zavojčku. V tej izvedbi metalizirani sloj navadno naj ne bi bil potiskan, čeprav smatramo, da bi stranski rob metaliziranega PET filma, ki se sklada z izpostavljenim zgornjim zapognjenim zaklopom notranjega vložka lahko bil potis8 kan, npr. s prozornim barvilom ali z drugimi tiskanimi znaki. V skladu s to nadaljnjo izvedbo, sta lahko oba zunanji ovoj in ovoj običajna, t.j. zunanji ovoj iz potiskanega papirja in prozoren OPP toplotno zavarjeni ovoj s trgalnim trakom.In accordance with another embodiment of the present invention, a metallized PET film with a heat-sealing film applied in a predetermined pattern is used as an inner cartridge instead of a metal foil / papium laminate used as an internal cartridge in a conventional cigarette pack. In this embodiment, the metallized layer is typically not suppressed, although it is believed that the lateral edge of the metallized PET film, which is consistent with the exposed upper folded shutter of the inner cartridge, may be pushed, e.g. with transparent coloring matter or other printed characters. According to this further embodiment, both the outer sheath and the sheath may be conventional, i.e. outer printed paper wrapper and transparent OPP heat-sealed tape-wrapped wrapper.

V skladu z drugo značilnostjo predloženega izuma, lahko aromatično snov ali drug material, ki sprošča aromo, vgradimo ali vnesemo v eno od komponent ovoja zavojčka, znotraj metaliziranega PET filmskega ovoja ali v cigarete, cigaretni filter ali celo v tobak. Kot je uporabljeno tukaj, je aromatična snov definirana kot katerakoli snov, ki ima aromo, prijeten vonj, duh ipd. Visokobarierne lastnosti ovoja prednostno dopuščajo ovoju, da ohranja aromo in prijetenj vonj znotraj ovoja in le-te sprošča, kadar uporabimo trgalni trak, da pretrgamo ovoj. Aromatične snovi lahko vgradimo v zavojček na mnogo načinov. Npr., naravno aromo tobaka lahko povečamo z dodatkom raznih aromatičnih snovi tobaku samemu, kot npr. mentolno olje ali razne ekstrakte tobaka. Cigarete, vključno cigaretni ovojni papir in komponente cigaretnega filtra imajo lahko v sebi vgrajeno aromatično substanco, kot ločen element ali kot preslojenje ali delno preslojenje, nanešeno med izdelavo cigaret. Podobno imata lahko notranji ovoj iz folije ali zunanji ovoj z etiketo, vgrajeno aromatično snov v sebi kot ločen element ali kot preslojenje ali delno preslojenje, naneseno na ovojne substrate med izdelavo ovoja ali prednostno med postopkom zavijanja. Ne glede na način, na katerega je aromatična snov vgrajena znotraj ovoja, jo prednostno ohranimo znotraj zavojčka z visokobariernim ovojem dokler ne uporabimo trgalni trak, da pretrgamo ovoj. Po pretrganju se sprosti aroma ali prijeten vonj, ki je vsebovan znotraj ovoja in zagotovimo izrazito prijeten vohalni občutek osebam v bližini odprtega zavojčka.According to another feature of the present invention, an aromatic substance or other aroma-releasing material may be incorporated or incorporated into one of the components of a packet wrapper, inside a metallized PET film wrapper, or into cigarettes, a cigarette filter, or even into tobacco. As used herein, an aromatic substance is defined as any substance that has an aroma, a pleasant odor, a spirit and the like. The high barrier properties of the wrapper preferably allow the wrapper to retain the aroma and pleasant odor within the wrapper and to release it when tear tape is used to break the wrapper. There are many ways to incorporate flavors into a pack. For example, the natural aroma of tobacco can be enhanced by adding a variety of flavoring substances to the tobacco itself, such as e.g. menthol oil but various tobacco extracts. Cigarettes, including cigarette wrapping paper and cigarette filter components, may incorporate an aromatic substance as a separate element or as a coating or partial coating applied during the manufacture of cigarettes. Similarly, the inner foil wrapper or outer label wrap may have an incorporated flavoring substance within them as a separate element or as a coating or partial coating applied to the wrapping substrates during the wrapping process or preferably during the wrapping process. Regardless of the way the flavoring substance is embedded within the wrapper, it is preferably maintained inside the pack with a high barrier wrapper until a tear strip is used to break the wrapper. After tearing, the aroma or pleasant odor contained within the sheath is released and a distinctively pleasant olfactory sensation is provided to persons near the open pack.

S pred tem omenjenimi in drugimi prednostmi in posebnostmi predloženega izuma, ki bodo postale očitne v nadaljevanju, bo izum bolj jasno razumljiv z ozirom na naslednji podrobni opis izuma, dodane zahtevke in prikazane različne poglede v priloženih risbah.With the aforementioned and other advantages and features of the present invention, which will become apparent below, the invention will be more clearly understood with respect to the following detailed description of the invention, the appended claims and the various views shown in the accompanying drawings.

Sl. 1 je pogled delnega prečnega prereza materiala bariernega ovoja predloženega izuma;FIG. 1 is a partial cross-sectional view of the barrier material of the present invention;

Sl. 2 je pogled tlorisa ene strani dela traku iz materiala za barierni ovoj, ki kaže prednosten vzorec sovpadajočega toplotno varivega sloja na omenjeni eni strani;FIG. 2 is a plan view of one side of a portion of a strip of barrier wrapping material showing a preferred pattern of a matching heat-sealing layer on said one side;

Sl. 3 je pogled tlorisa druge strani traku iz materiala za barierni ovoj s sl. 2, ki kaže prednosten vzorec toplotno varivega sloja na omenjeni drugi strani;FIG. 3 is a plan view of the other side of the barrier material strip of FIG. 2, showing a preferred pattern of the heat-sealing layer on said second side;

Sl. 4 je perspektivni pogled, delno prekinjen, prve izvedbe visokobariernega cigaretnega zavojčka v skladu s predloženim izumom;FIG. 4 is a perspective view, partially broken, of a first embodiment of a high barrier cigarette pack according to the present invention;

Sl. 5 je perspektivni pogled, delno prekinjen, druge izvedbe visokobariernega cigaretnega zavojčka, v skladu s predloženim izumom; inFIG. 5 is a perspective view, partially broken, of another embodiment of a high barrier cigarette pack according to the present invention; and

Sl. 6 je perspektivni pogled, delno prekinjen, visokobariernega cigaretnega kartona, v skladu s predloženim izumom.FIG. 6 is a perspective view, partially broken, of a high barrier cigarette carton according to the present invention.

Glede na risbe, sl. 1 ponazarja delni prečni prerez bariernega materiala, ki ga uporabimo da izdelamo ovoj cigaretnega zavojčka v skladu s spredloženim izumom, ki je označen s pozicijsko številko 10. Ovoj 10 obsega substratni sloj iz poliestrskega filma 10, prednostno dvoosno orientiran toplotno stabiliziran polietilen tereftalatni (PET) enoslojni ali večslojni film z debelino v območju od okoli 6,35 /im do okoli 31,75 /im in prednostno 12,2 /im ali 15,24 /im. Sloj 12 poliestrskega filma ima lahko svetlečo ali mat obdelano površino, kot je običajno v tehniki.According to the drawings, FIG. 1 illustrates a partial cross-sectional view of a barrier material used to produce a cigarette pack wrapper according to the present invention, which is designated by position number 10. This 10 comprises a substrate layer of polyester film 10, preferably a two-axis oriented thermally stabilized polyethylene terephthalate (PET). a monolayer or multilayer film having a thickness in the range of from about 6.35 / im to about 31.75 / im and preferably 12.2 / im or 15.24 / im. Layer 12 of the polyester film may have a luminous or matte finish as is customary in the art.

Kovinski sloj 14 je razporejen na eno površino sloja 12 in je na le-to nanesen z običajnim vakuumskim postopkom nanašanja prednostno do optične gostote od okoli 1,5 do okoli 3,0. Vakuumsko tehniko nanašanja lahko uporabimo za preslojenje ali metaliziranje filma z raznimi kovinami kot npr. cinkom, nikljem, srebrom, bakrom, zlatom, indijem, kositrom, nerjavnim jeklom, kromom, titanom ali aluminijem. Preslojenje z aluminijem je prednostno v skladu s predloženim izumom.The metal layer 14 is spread over one surface of the layer 12 and is applied thereto by a conventional vacuum deposition process, preferably up to an optical density of from about 1.5 to about 3.0. The vacuum deposition technique can be used to coat or metallise a film with various metals such as e.g. zinc, nickel, silver, copper, gold, indium, tin, stainless steel, chromium, titanium or aluminum. Aluminum coating is preferably in accordance with the present invention.

PET filmi, primerni za uporabo v predloženem izumu so tržno dosegljivi iz številnih virov, kot npr. ICI Americas Inc., Film Drive, Wilmington, Delaware 19897, American Hoechst Corporation, Greer, South Carolina 29652, BCF-Bemis Converter Films, Oshkosh, Wisconsin 54903, E.I. DuPont de Nemours & Company, 1007 Market Street, Wilmington, Delaware 19898 in Sumitomo Corporation of America, 611 S. Myrtle Avenue, Clearwater, Florida 34616. Vakuumsko metalizacijo filmov uporabno v predloženem izumu lahko izvedejo od številne družbe, kot npr.PET films suitable for use in the present invention are commercially available from many sources, such as e.g. ICI Americas Inc., Film Drive, Wilmington, Delaware 19897, American Hoechst Corporation, Greer, South Carolina 29652, BCF-Bemis Converter Films, Oshkosh, Wisconsin 54903, E.I. DuPont de Nemours & Company, 1007 Market Street, Wilmington, Delaware 19898 and Sumitomo Corporation of America, 611 S. Myrtle Avenue, Clearwater, Florida 34616. Vacuum metallization of films useful in the present invention can be accomplished by a number of companies, such as e.g.

Camvac Intk, Inc., Morristown, Tennessee 37814, Vacumet Corporation, 20 Edison Drive, Wayne, New Jersey 07470. Filmi so lahko metalizirani z blestečo, visoko reflektivno površino ali satenu podobno nizko reflektivno površino, odvisno od tega, če ima substrat poliestrskega filma svetlečo ali mat obdelavo pred metaliziranjem. Filmi z obema vrstama površin so uporabni pri izdelavi zavojčkov v skladu s predloženim izumom.Camvac Intk, Inc., Morristown, Tennessee 37814, Vacumet Corporation, 20 Edison Drive, Wayne, New Jersey 07470. Films may be metallized with a shiny, high reflective surface or satin-like low reflective surface, depending on whether the substrate has a polyester film luminous or matt finish before metallization. Films with both types of surfaces are useful in the production of coils according to the present invention.

Metalizirani PET film je potiskan na obeh njegovih površinah s tiskovnim slojem 16, ki lahko vključuje tako prozorno,kot tudi neprozorno barvilo, ki ga nenesemo na film z običajno tehniko globokega tiskanja ali fleksografskega tiskanja. Primerna barvila vključujejo taka, izdelana od Converters Ink Company, 1301 S. Park Avenue, Linden, New Jersey 07036 Versaflex, z oznakami Tem-Pro-Flex in Polestrin. Če uporabimo PET film metaliziran z aluminijem kot ovoj pri zavijanju cigaret v skladu z izumom, je koristno, da pustimo izbrane površine filma nepotiskane, tako da te površine ohranijo videz podoben aluminijasti foliji, običajen v mnogih cigaretnih zavojčkih. Take površine lahko vključujejo zgornje in spodnje zapognjene zaklope ovoja. Na ta način ima cigaretni zavojček v smislu izuma videz primerljiv z običajnimi cigaretnimi zavojčki.Metalized PET film is imprinted on both surfaces with a printing layer 16, which may include both transparent and opaque dye, which is applied to film using conventional intaglio or flexographic printing techniques. Suitable colorants include those made by Converters Ink Company, 1301 S. Park Avenue, Linden, New Jersey 07036 Versaflex, with Tem-Pro-Flex and Polestrin markings. When using PET film metallized with aluminum as a wrapper for wrapping cigarettes according to the invention, it is advantageous to leave the selected film surfaces unprinted so that these surfaces retain the appearance similar to aluminum foil common in many cigarette packs. Such surfaces may include upper and lower folded latch flaps. In this way, the cigarette pack according to the invention has an appearance comparable to conventional cigarette packs.

Sloja 18 in 19 sta s fuzijsko toploto variva sloja, sestavljena iz termoplastičnega polimera z minimalno temperaturo valjenja v območju od 90°C do 135°C. S fuzijsko toplotno varivi sloj je definiran kot sloj, ki sam tvori fuzijski toplotni zvar ob uporabi toplote nad minimalno temperaturo varjenja in ob uporabi nekega tlaka, nek zadrževalni čas, kot strokovnjaki dobro vedo in razumejo. Sloja 18 in 19 imata uporabno maso preslojenja v območju od okoli 1,6 do okoli 9,8 g/m2, prednostno med okoli 1,6 in 4,9 g/m2 in sta lahko sestavljena iz kateregakoli s fuzijsko toploto varivega materiala, ki ga poznajo strokovnjaki, kot npr. kopolimerov etilvinilacetata, vinilov, ionomerov ali modificiranih polipropilenov in prednostno poliestrov. Sloja 18 in 19 sta nanesena na eno ali na obe strani bariernega filma v vnaprej določeni vzorec in sovpadajoče s tiskanim slojem 16.The layers 18 and 19 are fusion heat-resistant layers consisting of a thermoplastic polymer with a minimum hatching temperature in the range of 90 ° C to 135 ° C. A fusion thermal welding layer is defined as a layer that itself forms a fusion thermal weld, using heat above the minimum welding temperature and using some pressure, for some time, as is well known and understood by one skilled in the art. Layers 18 and 19 have a usable coating mass in the range of from about 1.6 to about 9.8 g / m 2 , preferably between about 1.6 and 4.9 g / m 2, and may consist of any of the fusion heat of the weldable material , which is known by experts such as copolymers of ethylvinyl acetate, vinyl, ionomers or modified polypropylene and preferably polyesters. Layers 18 and 19 are applied to one or both sides of the barrier film in a predetermined pattern and coincident with the printed layer 16.

Sl. 2 in 3 ponazarjata nasprotni strani dela traku 20, tiskanega metaliziranega PET filma 10 s sl. 1. Sl. 2 kaže zgornjo površino 22 ali zunanjo tiskano stran traku 20 in sl. 3 kaže spodnjo površino 23, ki je PET filmska stran traku, direktno nasprotna strani, prikazani na sl. 2. Material traku sl. 2 in 3, dobavljamo napravi za zavijanje cigaret iz zvitka materiala s širino W, na enak način kot dobavljamo običajni OPP ovojni film napravi za zavijanje cigaret.FIG. 2 and 3 illustrate the opposite side of the strip portion 20 of the printed metallized PET film 10 of FIG. 1. FIG. 2 shows the upper surface 22 or the outer printed side of the strip 20 and FIG. 3 shows the bottom surface 23, which is the PET film side of the strip, directly opposite to the side shown in FIG. 2. The tape material of FIG. 2 and 3, we supply cigarette wrappers to a roll of W-width material in the same manner as we supply a conventional OPP wrapping film to a cigarette wrapper.

Z ozirom na sl. 2, zgornjo površino 22, ki je metalizirana z aluminijem, traku 20 lahko tiskamo čez njeno celotno površino ali samo čez del njene površine, npr. z rumeno prozorno barvo. Če tiskamo z rumeno prozorno barvo, je tiskana površina 22 zlate barve, ki ima ali blesteč ali satenu podoben videz, odvisno ali ima spodnji PET film svetlečo obdelavo ali mat obdelavo. Druge barve prozornih tiskarskih barvil lahko tiskamo na površino 22 metalizirano z aluminijem, da dobimo raznolike svetleče ali satenu podobne kovinske obdelave na bariernem materialu. Npr., štiri območja 24, 26, 28, 30 na površini 22, ustrezajo zadevnim stranem, sprednjim in zadnjim stenam pravokotnega paralelepipednega cigaretnega zavojčka in so lahko potiskane s prozornimi ali neprozornimi barvami s primernimi vzorci 32, tiskovino 34 ali drugimi informacijami. Spodnja površina 23 traku 20, kot je prikazano na sl. 3 je notranja površina bariernega ovoja in prednostno ni tiskana.With reference to FIG. 2, the upper surface 22 is metallized with aluminum, the strip 20 can be printed over its entire surface or only over a portion of its surface, e.g. with yellow transparent color. When printed in yellow transparent color, the print surface 22 is gold in color, which has either a glossy or satin-like appearance, depending on whether the bottom PET film has a luminous finish or a matt finish. Other colors of transparent printing inks can be printed onto the surface 22 metallized with aluminum to produce a variety of shiny or satin-like metal treatments on the barrier material. For example, the four areas 24, 26, 28, 30 on surface 22 correspond to the respective sides, front and back walls of a rectangular parallelepiped cigarette pack and may be printed in transparent or opaque colors with suitable patterns 32, printed matter 34 or other information. The bottom surface 23 of the strip 20, as shown in FIG. 3 is the inner surface of the barrier envelope and is preferably not printed.

Po potiskanju sloja 16 na površino sloja 14 metaliziranega z aluminijem, nanesemo sloje 18,19 varive s fuzijsko toploto v vnaprej določene vzorce sovpadajoče s tiskano površino 16, z običajnim postopkom tiskanja, t.j. z valjem za globok tisk. Za varjenje vzdolžnega stranskega roba ovoja zavoja, nanesemo prečne trakove 36, 38 slojev 18, 19 varivih s fuzijsko toploto na zgornjo in spodnjo površino 22, 23 traku 20. Ko odrežemo primerno dolžino L traku 20, da naredimo ovoj za posamezni cigaretani zavojček, trakova 36, 38 namestimo tako, da ležita eden nad drugim, za toplotno varjenje. Podobno, obrobne vzorce 40, 42 toplotno varivega sloja 18 na površini 22 in obrobne vzorce 44, 46 toplotno varivega sloja 19, na površini 23 optimalno priredimo za toplotno varjenje zgornjih in spodnjih zapognjenih zaklopov ovoja. Področje zgornje ali zunanje površine 22 ovoja, med toplotno varivima obrobnima vzorcema 40, 42 prednostno ni preslojeno s toplotno varivim slojem, tako da ohrani drsne lastnosti tiskanega metaliziranega sloja ovoja. Čeprav je spodnja ali notranja površina 23 ovoja opremljena s toplotno varivim slojem 19 v vnaprej določenem vzorcu, toplotno variv sloj lahko nanesemo na celotno spodnjo ali notranjo površino 23 ovojnega traku 20, ker drsne lastnosti te površine niso kritične.After pushing the layer 16 onto the surface of the aluminum-metallized layer 14, the layers 18,19 of the fusion heat sealer are applied to predefined patterns coinciding with the printed surface 16, by a conventional printing process, i.e. with intaglio roller. To weld the longitudinal side edge of the wrap, apply transverse strips 36, 38 of the layers 18, 19 with fusion heat welding to the upper and lower surfaces 22, 23 of the strip 20. When the appropriate length L of the strip 20 is cut to make a wrap for each cigarette pack, the strips 36, 38 are mounted so that they lie one above the other for thermal welding. Similarly, the peripheral samples 40, 42 of the heat-sealing layer 18 on the surface 22 and the peripheral patterns 44, 46 of the heat-sealing layer 19 on the surface 23 are optimally adapted for thermal welding of the upper and lower folded shutter flaps. The area of the upper or outer surface 22 of the sheath, preferably not coated with the heat-sealing layer between the heat-sealing peripheral specimens 40, 42, so as to maintain the sliding properties of the printed metallised sheath layer. Although the lower or inner surface 23 of the wrapper is provided with a heat-sealing layer 19 in a predetermined pattern, the heat-sealing layer can be applied to the entire lower or inner surface 23 of the wrapping tape 20, since the sliding properties of this surface are not critical.

Z ozirom na sl. 4, je prva izvedba cigaretnega zavojčka v skladu s predloženim izumom označena na splošno s pozicijsko številko 50. Zavojček 50 je mehki zavojček in obsega mehko embalažo 52, ki značilno vsebuje 20 cigaret 64, razporejenih v 7-6-7 matrici znotraj embalaže. Embalaža 52 značilno vključuje notranje ovoje 54 in zunanji tiskan ali etiketni ovoj 56. Prednostni notranji ovoj 54 je laminat kovinske folije/papirja, kot npr. aluminijeva folija, adhezivno vezana na bankpostni papir z gramaturo 105 g/m2.With reference to FIG. 4, the first embodiment of the cigarette pack according to the present invention is generally designated by position number 50. The pack 50 is a soft pack and comprises a soft pack 52, typically containing 20 cigarettes 64 arranged in a 7-6-7 matrix inside the pack. Packaging 52 typically includes an inner wrap 54 and an outer printed or label wrap 56. A preferred inner wrap 54 is a metal foil / paper laminate, such as e.g. aluminum foil adhesively bonded to bank paper with a gram weight of 105 g / m 2 .

Zunanji etiketini ovoj 56 je prednostno material iz papirja kot npr. s kaolinom preslojena litografska pola z gramaturo 165 g/m2 in vsebuje tiskane znake (npr. vzorce, grafike, specifične informacije o znamki cigaret, itd.) postavljen tako, da je nameščen na določeno površino stene zavojčka in ustrezno s tiskanimi znaki na ovojnem materialu. Zavojček 50, prikazan s sl. 4 ima sprednjo steno 58, zgornjo steno 60 in stransko steno 62. Na sl. 4 nista prikazani zadnja stena nasproti sprednje stene 58, spodnja stena nasproti zgornji steni 60 in stranska stena nasproti stranski steni 62. Primer mehke embalaže za cigarete je prikazan v U.S. patentu št. 3,695,442, katerega opis je vključen tukaj z referenco.The outer label wrap 56 is preferably a paper material such as e.g. kaolin-coated lithographic sheet with a grammage of 165 g / m 2 and containing printed characters (e.g., patterns, graphics, specific information on the brand of cigarettes, etc.) positioned so that it is placed on a specific surface of the packing wall and correspondingly with printed characters on the envelope material. The coil 50 shown in FIG. 4 has a front wall 58, an upper wall 60 and a side wall 62. FIG. 4 does not show the rear wall opposite the front wall 58, the lower wall opposite the upper wall 60 and the side wall opposite the side wall 62. An example of soft cigarette packaging is shown in U.S. Pat. No. 3,695,442, the description of which is incorporated herein by reference.

Notranji laminatni ovoj 54 je zapognjen v šestranski pravokotni paralelepiped, da vsebuje cigarete 64 na tak način, da je papirnata stran laminata na notranji strani embalaže konfrontno cigaretam 64. Zunanji etiketni ovoj 56 je zapognjen tako, da pokriva sprednjo, zadnjo, spodnjo in dve stranski steni notranjega ovoja, zgornjo zapognjeno steno 66 notranjega ovoja 54, pa pustimo neprekrito z zunanjim ovojem 56. Značilno nanesemo lepilo na zunanji etiketni ovoj 56 na vrhu in na vzdolžni stranski rob (ni prikazano), da drži ovoj na mestu. Notranji ovoj 54, zunanji etiketni ovoj 56 ali cigarete 64 so lahko opremljeni, kot je opisano zgoraj z aromatično snovjo.The inner laminate sheath 54 is folded into a six-sided rectangular parallelepiped to contain the cigarettes 64 in such a way that the paper side of the laminate on the inside of the packaging is counter to the cigarettes 64. The outer label sheath 56 is folded to cover the front, back, bottom and two side the inner sheath wall 66 of the inner sheath 54 of the inner sheath 54 is left uncovered with the outer sheath 56. Typically, adhesive is applied to the outer label sheath 56 at the top and to the longitudinal side edge (not shown) to hold the sheath in place. The inner wrap 54, the outer label wrap 56 or the cigarettes 64 may be equipped as described above with an aromatic substance.

Mehka embalaža 52 je opremljena z visokobariernim ovojem 68, ki je odrezan od traku 20, prikazanega na sl. 2 in 3. Ovoj 68 je ovit okrog sprednje, zadnje in stranskih sten mehke embalaže 52 in toplotno varjen po vzdolžnem stranskem robu 70, kjer s fuzijsko toploto variva trakova 36, 38 (sl. 2 in 3) ležita eden na drugem. Zgornji in spodnji zaklopi ovoja so zapognjeni preko na enak način kot pri običajnem OPP ovoju in so toplotno varjeni skupaj po prekrivajočem zgornjem zaklopu ali robu 71 in po ustreznem zaklopu/robu (ni prikazano) na spodnji strani zavojčka.The soft package 52 is provided with a high barrier wrapper 68 which is cut off from the strap 20 shown in FIG. 2 and 3. The sheath 68 is wrapped around the front, back and side walls of the soft packaging 52 and welded thermally along the longitudinal side edge 70, where the fusion heat of the welding of the strips 36, 38 (Figures 2 and 3) rests on top of each other. The upper and lower casings of the sheath are folded over in the same manner as with a conventional OPP sheath and are welded together along the overlapping upper shutter or edge 71 and after the corresponding shutter / edge (not shown) on the underside of the pack.

Trgalni trak 72 za raztrganje ovoja 68 je vrinjen med zunanji etiketni ovoj 56 in ovoj 68 zavojčka tako, da omeji mehko embalažo 52. Prosti konec 74 trgalnega traku 72 štrli izpod ovoja 68 pri toplotno varjenem vzdolžnem robu 70 in rabi kot jeziček, ki ga kadilec prime in odtrga toplotno varjeni zgornji del ovoja 68. Če je bila nanesena aromatična snov na katerokoli od notranjih komponent zavojčka, kot je opisano zgoraj, aroma izpuhteva iz sedaj odprtega zavojčka in poveča uporabniku zaznavanje produkta.The tear strip 72 for tearing the wrapper 68 is interposed between the outer label wrapper 56 and the wrapper wrapper 68 by restricting the soft packaging 52. The free end 74 of the tear strip 72 protrudes beneath the wrapper 68 at a thermally welded longitudinal edge 70 and is used as a tab by the smoker. prime and tear off the heat-welded upper portion of the sheath 68. If an aromatic substance has been applied to any of the internal components of the pack, as described above, the aroma exudes from the now-opened pack and increases the product's perception of the product.

Za izdelavo v bistvu neprepustnega visokobariernega zvara, zgornji in spodnji zapognjeni zaključni zaklopi ali robovi in vzdolžni stranski rob vsebujejo toplotne vare med toplotno varivima slojema 18 in 19, kot tudi toplotne vare med delom toplotno varivega sloja 18 na drugi del toplotno varivega sloja 18 in toplotne vare med delom toplotno varivega sloja 19 in drugim delom toplotno varivega sloja 19. Način na katerega sta toplotno variva sloja 18,19 ovoja 68 varjena skupaj ustreza na splošno tistemu, opisanemu v U.S. patentu št. 4,807,745, ki je vključen tukaj z referenco.For the production of a substantially impermeable high barrier weld, the upper and lower bent end flaps or edges and the longitudinal lateral edge comprise thermal welds between heat seal layers 18 and 19 as well as heat welds between a portion of a heat seal layer 18 and a second heat seal layer 18 and a heat seal. welds between a portion of the heat-sealing layer 19 and another part of the heat-sealing layer 19. The manner in which the heat-sealing layers 18,19 of the sheath 68 are welded together corresponds generally to that described in US patent no. No. 4,807,745, which is incorporated herein by reference.

Toplotno varjenje prednostno izvedemo na običajen način z uporabo toplote, na popolnoma zapognjenem ovoju, zgoraj in spodaj zavojčka. Metaliziran PET ovoj tanjših mer (48 do 60 enot) v primerjavi z običajnim OPP ovojem (80 enot), večja toplotna prevodnost metaliziranega PET ovoja, ki izhaja iz kovinskega sloja 14 (sl. 1) in višja talilna in toplotna deformacijska temperatura poliestrskega filma, zagotavljajo večjo fleksibilnost pri izbiri temperature za toplotno varjenje, tlakov za varjenje, zadrževalnega časa in dopuščajo izdelavo visokokvalitetnih zavojčkov pri visokih hitrostih zavijanja (nad 400 zavojčkov na minuto).Preferably, thermal welding is carried out in the usual manner using heat, on a fully folded sheath, at the top and bottom of the pack. Metalized PET sheath of thinner dimensions (48 to 60 units) compared to the conventional OPP sheath (80 units), higher thermal conductivity of the metallized PET sheath resulting from metal layer 14 (Fig. 1) and higher melting and thermal deformation temperature of the polyester film, they provide greater flexibility in the choice of temperature for thermal welding, welding pressures, dwell time, and allow the production of high-quality coils at high turning speeds (above 400 coils per minute).

Ovoj 68 zavojčka 50 predloženega izuma je oblikovan za uporabo v običajnih napravah za ovijanje mehkega zavojčka, kot npr. Model št. 716 od Scandia Packing Machinery, Clifton, New Jersey ali Model 4350, proizvaja Packager G.D. Societa per Azioni, Bologna, Italija. Taka naprava je sposobna opremiti embalažo 52 z omejevalnim toplotno varjenim ovojem 68 in trgalnim trakom 72, kot je za strokovnjaka očitno.The wrapper 68 of the pack 50 of the present invention is designed for use in conventional soft wrap wrapping devices such as e.g. Model no. 716 from Scandia Packing Machinery, Clifton, New Jersey or Model 4350, is manufactured by Packager G.D. Societa per Azioni, Bologna, Italy. Such a device is capable of furnishing packaging 52 with a heat-sealing jacket 68 and a tear strip 72 as is apparent to one skilled in the art.

Spet glede na sl. 4, je cigaretni zavojček 50 prednostno konstruiran tako, da sta zunanji etiketni ovoj 56 in ovoj 68 razvrščena tako, da zagotavljata bistveno sovpadanje tiskovine na površinah zunanjega etiketnega ovoja 56 in ovoja 68, kot je prikazano npr. na sl. 4 s tiskovino 76 na ovoju 68 in tiskovino 78 na zunanjem etiketnem ovoju 56. Torej, če odstranimo celoto ali del ovoja 68 od spodnje embalaže 52 se mesto tiskanja, ki je vidno na zunanjem etiketnem ovoju, v bistvu ujema z mestom tiskanja na ovoju.Again according to FIG. 4, the cigarette pack 50 is preferably constructed such that the outer label wrap 56 and the wrap 68 are arranged to provide a substantial coincidence of the printed matter on the surfaces of the outer label wrap 56 and the wrap 68, as shown e.g. in FIG. 4 with printed matter 76 on cover 68 and printed matter 78 on outer label cover 56. Thus, if all or part of the cover 68 is removed from the lower packaging 52, the printing location visible on the outer label cover essentially corresponds to the printing location on the cover.

Sedaj glede na sl. 5, je druga izvedba cigaretnega zavojčka v skladu s predloženim izumom označena na splošno s pozicijsko številko 80. Zavojček 80 je trdi zavojček ali škatla odporna proti zdrobljenju in obsega embalažo 82 z zgibanim pokrovom, ki je značilno izdelana iz materiala iz prožne lepenke. Primer prednostne lepenke je kompaktna beljena lepenka iz sulfatne celuloze z nizko gostoto, ki ima debelino okoli 0,30 mm. Primeri primernih embalaž z zgibnim pokrovom so med drugimi opisani v U.S. patentu št. 3,874,581; 3,858,788; 3,944,066 in 4,852,734.Now according to FIG. 5, the second embodiment of the cigarette pack according to the present invention is generally referred to by position number 80. The pack 80 is a hard pack or shatterproof box and comprises a folded lid 82 container typically made of flexible cardboard material. An example of a preferred cardboard is a compact bleached cardboard of low density sulfate pulp having a thickness of about 0.30 mm. Examples of suitable hinged lid packaging are described in U.S. Pat. patent no. 3,874,581; 3,858,788; No. 3,944,066 and 4,852,734.

Embalaža 82 vključuje glavni del 84, ki ima sprednjo steno 86 in stransko steno 88. Glavni del 84 ima prav tako spodnjo steno, stransko steno nasproti stranske stene 88 in zadnjo steno nasproti sprednje stene 86, ki nista prikazani na sl. 5. Embalaža 82 vključuje tudi pokrovasti del 90 popolnoma zgiban k zadnji steni glavnega dela 84. Pokrovast del 90 ima sprednjo steno 92, stransko steno 94 in zgornjo steno 96, prikazano na sl. 5 in stransko steno in zadnjo steno, ki nista prikazani, toda nameščeni nasproti stranske stene 94 in sprednje stene 92.Packaging 82 includes a main part 84 having a front wall 86 and a side wall 88. The main part 84 also has a bottom wall, a side wall opposite the side wall 88, and a back wall opposite the front wall 86, not shown in FIG. 5. The packaging 82 also includes a lid portion 90 fully folded to the rear wall of the main portion 84. The lid portion 90 has a front wall 92, a side wall 94, and an upper wall 96 shown in FIG. 5 and a side wall and a rear wall not shown, but positioned opposite the side wall 94 and the front wall 92.

Embalaža 82 značilno vsebuje 20 cigaret 98, razporejenih v 7-6-7 matrici znotraj embalaže. Navadno so cigarete 98 nameščene v notranjem vložku iz laminata kovinske folije/papirja (ni prikazan) z ustreznim jezičkom 100 za poteg iz laminata kovinske folije/papirja, nameščenim preko zgornjih koncev cigaret pod zgornjo steno 96 zgibanega pokrova 90. Če pokrovast del 90 embalaže 82 odpremo z zavihtenjem in odstranimo jeziček 100 za poteg,zagledamo zgornje konce cigaret 98. Zavojček 80 ima lahko v sebi prav tako vgrajeno aromatično snov, kot je opisano zgoraj.Packaging 82 typically contains 20 cigarettes 98 arranged in a 7-6-7 matrix inside the pack. Typically, cigarettes 98 are housed in an inner sheet of metal foil / paper laminate (not shown) with a suitable latch of metal foil / paper laminate mounted over the upper ends of the cigarettes under the upper wall 96 of the folded lid 90. If the lid 90 of the packaging 82 open with a swivel and remove the pull tab 100, see the upper ends of the cigarettes 98. The pack 80 may also have a flavoring substance embedded in it, as described above.

Embalaža z zgibanim pokrovom 82 je opremljena z visokobariernim ovojem 102, ki ga odrežemo iz traku 20, prikazanega na sl. 2 in 3. Ovoj 102 je ovit okrog sprednje, zadnje in stranskih sten glavnega in pokrovastega dela 84,90 embalaže 82 in toplotno varjen po vzdolžni strani roba 104, kjer s fuzijsko toploto variva trakova 36, 38 (sl. 2 in 3) ležita eden na drugem. Zgornji in spodnji zaklopi ovoja 102 so zapognjeni preko na enak način kot običajni OPP ovoj in so toplotno varjeni skupaj po prekrivajočem zgornjem zaklopu ali robu 106 in spodnjem zaklopu/robu (ni prikazano).The hinged lid packaging 82 is provided with a high barrier sheath 102 which is cut from the ribbon 20 shown in FIG. 2 and 3. The sheath 102 is wrapped around the front, back and side walls of the main and cover portion 84,90 of the package 82 and welded thermally along the longitudinal side of the edge 104, where the fusion heat of the welding of the strips 36, 38 (Figures 2 and 3) lie one on top of the other. The upper and lower shutters of the sheath 102 are folded over in the same manner as a conventional OPP sheath and are welded together along the overlapping upper shutter or edge 106 and the lower shutter / edge (not shown).

Trgalni trak 108 za pretrganje ovoja 102 je vrinjen med glavni del 84 in ovoj 102 zavojčka tako, da omejuje embalažo na mestu prav pod spodnjim robom 110 sprednje stene 92 pokrovastega dela 90. Prosti konec 112 trgalnega traku 108 štrli izpod ovoja 102 pri toplotno varivem vzdolžnem robu 104 in rabi kot jeziček za kadilca, da prime in odtrga ta del ovoja, ki pokriva pokrovast del 90 embalaže 82.The tear strip 108 for tearing the wrapper 102 is interrupted between the main part 84 and the wrapper 102 by restricting the packing in place just below the bottom edge 110 of the front wall 92 of the cover portion 90. The free end 112 of the tear strip 108 protrudes from the sheath 102 at a heat-welding longitudinal edge 104 and used as a tab for the smoker to receive and tear off that portion of the wrapper that covers the lid portion 90 of the packaging 82.

Toplotno varjenje zavojčka 80 s sl. 5 je izpopolnjeno na način podoben tistemu,, opisanemu zgoraj v zvezi z zavojčkom 50 s sl. 4.Thermal welding of the coil 80 of FIG. 5 is perfected in a manner similar to that described above with respect to the coil 50 of FIG. 4.

Ovoj 102 zavojčka 80 predloženega izuma je oblikovan tako, da ga uporabimo v običajni napravi za ovijanje trdega zavojčka, kot npr. Model št. 716 Scandia naprava ali Model 4350 G.D. naprava. Taka naprava je sposobna opremiti embalažo 80 z omejevalnim toplotno varivim ovojem 102 in trgalnim trakom 108 kot je za strokovnjaka očitno.The wrap 102 of the pack 80 of the present invention is designed to be used in a conventional hard wrap wrapper such as e.g. Model no. 716 Scandia Device or Model 4350 G.D. device. Such a device is capable of furnishing packaging 80 with a heat-limiting sheath 102 and a tear strip 108 as is apparent to one skilled in the art.

Na enak način, kot je oblikovan zavojček 50 s sl. 4, je oblikovan cigaretni zavojček 80 tako, da sta tiskovina 114 na embalaži 82 in tiskovina 116 na ovoju 102 poravnani ena z drugo.In the same manner as the coil 50 in FIG. 4, a cigarette pack 80 is formed such that the printed matter 114 on the package 82 and the printed material 116 on the sheath 102 are aligned with one another.

Sl. 6 ponazaraja izvedbo ovitega kartona za cigaretne zavojčke v skladu s predloženim izumom, ki je označen na splošno s pozicijsko št. 200. Oviti karton 200 obsega pravokotni paralelepipedni karton 202, ki ima sprednjo in zadnjo steno, dve stranski steni in dva zaključka in je prednostno izdelan iz materiala iz lepenke. Več cigaretnih zavojčkov 204 je pakiranih v kartonu 202. V prikazani izvedbi vsebuje karton 202 deset posameznih cigaretnih zavojčkov, pakiranih v dveh vrstah po pet, čeprav je razumljivo, da so bile druge velikosti kartona in ureditve pakiranja z večjim ali manjšim številom zavojčkov prav tako zajete z izumom. Ena stranska stena 206 kartona 202 obsega zapognjen zaklop z dvojno steno, ki je lahko ohlapno zlepljen skupaj z lepilom na običajen način.FIG. 6 illustrates the embodiment of a wrapped cigarette pack carton according to the present invention, generally designated by position no. 200. The wrapped cardboard 200 comprises a rectangular parallelepiped cardboard 202 having a front and a back wall, two side walls and two terminations and preferably made of cardboard material. Multiple cigarette packs 204 are packaged in carton 202. In the embodiment shown, carton 202 contains ten individual cigarette packs packaged in two rows of five, although it is understood that other carton sizes and packing arrangements with larger or smaller packs were also covered with the invention. One side wall 206 of the cardboard 202 comprises a double wall folded shutter which can be loosely glued together with the adhesive in the conventional manner.

Karton 202 je opremljen z visokobariemim ovojem 208, ki je narejen iz traku materiala, podobnega tistemu prikazanemu na sl. 1-3. Ovoj 208 je ovit okrog sprednje, zadnje in stranskih sten kartona 202 in toplotno varjen po vzdolžnem robu 210. Odprti zaključki kartonskega ovoja 208 so zapognjeni preko zaključkov kartona 202 na enak način kot običajni OPP ovoj zavojčka in so nato toplotno varjeni skupaj, po prekrivajočem zgornjem zaklopu ali robu 212 in spodnjem zaklopu/robu (ni prikazano). Ovoj 208 je lahko opremljen z vzorcem 213 ali drugimi tiskanimi znaki. Kot v poprej opisanih izvedbah tiskovina 213 lahko sovpada s tiskovino (ni prikazano) na kartonu 208.The cardboard 202 is provided with a high-sheath 208, which is made of a strip of material similar to that shown in FIG. 1-3. The wrapper 208 is wrapped around the front, back and sides of the cardboard 202 and welded thermally along the longitudinal edge 210. The open endings of the cardboard sheath 208 are folded over the cardboard endings 202 in the same manner as a conventional OPP packet wrapper and are then welded together, over the overlapping upper. shutter or edge 212 and lower shutter / edge (not shown). The cover 208 may be provided with a pattern 213 or other printed characters. As in the embodiments described above, stationery 213 may coincide with stationery (not shown) on carton 208.

Trgalni trak 214 za pretrganje ovoja 208 je vrinjen med karton 202 in ovoj 208 tako, da omejuje stene kartona blizu zgornjega zaključka kartona. Prosti konec 216 trgalnega traku 214 štrli izpod ovoja 208 pri toplotno varjenem vzdolžnem robu 110 in rabi kot jeziček da ga potrošnik prime in odtrga zgornji zaključni zaklop 212 in odkrije zaključek kartona.The tear strip 214 for tearing the wrapper 208 is torn between the cardboard 202 and the sheath 208 so as to restrict the walls of the cardboard near the upper end of the cardboard. The free end 216 of the conveyor belt 214 protrudes from beneath the sheath 208 at the welded longitudinal edge 110 and is used as a tab for the consumer to pick up and tear off the upper end shutter 212 and discover the end of the cardboard.

Toplotno varjenje kartonskega ovoja 208 s sl. 6 je izpopolnjeno na način, podoben tistemu, opisanemu zgoraj v zvezi z zavojčkom 50 s sl. 4. Ovojni karton 200 ima tudi lahko vgrajeno v sebi aromatično snov, kot je opisano zgoraj v zvezi z izvedbama na sl. 4 in 5.Thermal welding of cardboard wrapper 208 in FIG. 6 is perfected in a manner similar to that described above with respect to the coil 50 of FIG. 4. The wrapper 200 may also have an aromatic substance embedded in it, as described above with respect to the embodiments of FIG. 4 and 5.

PRIMEREXAMPLE

Barierne ovojne materiale pripravimo v skladu z naslednjim postopkom:Barrier wrapping materials are prepared according to the following procedure:

Poliestrske enoslojne in koekstrudirane večslojne orientirane poliestrske (PET) filme, ki imajo visok sijaj, nizko motnost in dobre obdelovalne lastnosti z debelinama 48 in 60 enot, dobimo od ICI Americas Inc. Filme prodajajo pod oznakami Melinex 800, Melinex 850 in Melinex 851. PET filme vakuumsko metaliziramo z aluminijem v skladu z običajnimi postopki od Camvac Intl. Inc. in Vacumet Corporation do optičnih gostot 2,0. Filme nato tiskamo tako na metaliziranih, kot tudi na nemetaliziranih površinah, z običajnimi tehnikami tiskanja za globoki tisk, z uporabo naslednjih tiskarskih barvil za globoki tisk: Versaflex GP-4252 in GP-4253; TemPro-Flex CP-116997, CP-116974, CP-116971, CP-116998, CP-116973 in CP-116512 vsakega s polnilom CP-116484; in Polestrin CP-116981, s polnilom V-91511, vse proizvaja Converters Ink Company.ICI Americas Inc. polyester monolayer and co-extruded multilayer oriented polyester (PET) films having high gloss, low opacity and good machining properties with thicknesses of 48 and 60 units, respectively. The films are marketed under the designation Melinex 800, Melinex 850 and Melinex 851. PET films are vacuum metallised with aluminum according to the usual procedures from Camvac Intl. Inc. and Vacumet Corporation to optical densities of 2.0. The films are then printed on both metallized and non-metallized surfaces using conventional gravure printing techniques using the following gravure printing inks: Versaflex GP-4252 and GP-4253; TemPro-Flex CP-116997, CP-116974, CP-116971, CP-116998, CP-116973 and CP-116512 each with filler CP-116484; and Polestrin CP-116981, with filler V-91511, all manufactured by Converters Ink Company.

Toplotno variv sloj, ki je sestavljen iz modificiranega poliestra, številka označbe 9762-001, dosegljivega od Valspar Corporation, 2000 Westhall Street, Pittsburgh, Pennsylvania 15233, nanesemo na tiskan metaliziran PET film prav tako z običajno tehniko globokega tiska z valjem, ki je izjedkan, da daje uporabno maso 0,45 kg/rizmo. Preslojenje modificiranega poliestra je visoko transparentno in ima koeficient trenja med 0,15 in 0,30. Toplotno varivo preslojenje testiramo z uporabo na tri različne načine in uporabimo za ovijanje cigaretnih zavojčkov tipa mehkega zavojčka v običajni napravi za ovijanje, izdelani pri G.D. Societa per Azioni in Scandia. V prvem testu nanesemo toplotno variv sloj kot celotno preslojenje na celo notranjo nemetalizirano površino ovoja zavojčka. Tiskani vzorec sovpadajoče nanesemo na zunanjo metaliziramo površino ovoja s sledečim sovpadajočim nanesenim toplotno varivim slojem v področja identificirana s pozicijskimi številkami 36, 40, 42 na sl. 2, kjer bi bil potreben zvar out-to-out ali zvar in-to out med postopkom zapogibanja zaklopa in postopkom varjenja. V drugem testu toplotno variv sloj nanesemo kot celotno preslojenje na metalizirano površino koekstrudiranega večslojnega PET filma (ICI Melinex 850 in 851), ki je uporabljen kot notranja površina ovoja zavojčka. Tiskani vzorec nanesemo na nemetalizirano stran ovojnega filma. Med postopkom toplotnega varjenja, ovoj iz večslojnega PET filma zapognemo in njegovo zunanjo površino zavarimo k sebi ali na notranji toplotno varivi sloj.A thermally weldable layer consisting of modified polyester, part number 9762-001, obtainable from Valspar Corporation, 2000 Westhall Street, Pittsburgh, Pennsylvania 15233, is also applied to a printed metallized PET film using conventional roll-etched printing techniques. to give a usable mass of 0.45 kg / rhizome. The coating of modified polyester is highly transparent and has a coefficient of friction between 0.15 and 0.30. Thermal welding is tested using three different methods and is used to wrap soft pack cigarette packs in a conventional wrapper manufactured by G.D. Societa per Azioni and Scandia. In the first test, apply a heat-sealable layer as the entire coating to the entire non-metallised surface of the packet wrapper. The printed pattern is applied coincidentally to the outer metallised surface of the wrapper with the following coincidentally applied heat-sealing layer in the areas identified by position numbers 36, 40, 42 in FIG. 2, where an out-to-out or an in-to-out weld would be required during the shutter bending process and the welding process. In the second test, the heat-sealable layer is applied as the entire coating to the metallized surface of the co-extruded multilayer PET film (ICI Melinex 850 and 851), which is used as the inner surface of the packet wrapper. The printed sample is applied to the non-metallised side of the wrapping film. During the process of thermal welding, the sheath of the multilayer PET film is folded and its outer surface welded to itself or to the internal thermal welding layer.

V tretjem testu toplotno varivi sloj sovpadajoče nanesemo na notranji sloj v območja identificirana s pozicijskimi številkami 38, 44, 46 na sl. 3. Zunanjo površino sovpadajoče tiskamo s toplotno varivim slojem, nanesenim v območja identificirana s pozicijskimi številkami 36, 40,42 na sl. 2 kjer bi bil potreben zvar out-to-out ali zvar in-to-out med postopkom zapogibanja in postopkom varjenja.In the third test, the heat-sealing layer is applied coincidentally to the inner layer in the areas identified by position numbers 38, 44, 46 in FIG. 3. The outer surface is coincidentally printed with a heat-sealable layer applied to the areas identified by position numbers 36, 40,42 in FIG. 2 where an out-to-out weld or an in-to-out weld would be required during the bending process and the welding process.

Vsakega od treh testnih filmov razrežemo na širine, primerne za stroje za ovijanje cigaretnih zavojčkov in zvijemo na valje za uporabo za ovijanje običajnih mehkih zavojčkov. Uporabljena oprema za ovijanje je sposobna ovijanja cigaretnih zavojčkov z običajnim OPP ovojem s hitrostjo nad 500 zavojčkov na minuto. Hitrost 470 zavojčkov na minuto je bila poskusno dosežena s tremi testnimi ovoji na GD ovojni napravi. Primerjalni barierni testi za vlažnost in kisik na metaliziranem PET ovojnem filmu predloženega izuma v primerjavi z običajnim OPP ovojem 80 enot, dajo naslednje rezultate:Each of the three test films is cut into widths suitable for machines for wrapping cigarette packs and rolled onto rollers for use in wrapping conventional soft packs. The wrapping equipment used is capable of wrapping cigarette packs with a conventional OPP wrap at a speed of more than 500 packs per minute. A speed of 470 packs per minute was experimentally achieved with three test wrappers on the DG wrapper. Comparative humidity and oxygen barrier tests on the metallized PET envelope film of the present invention, compared to the conventional 80 unit OPP envelope, give the following results:

TABELA 1TABLE 1

Prepustnost vlage (g/m2 v 24 h) pri 38°C, 90 % RVMoisture permeability (g / m 2 for 24 h) at 38 ° C, 90% RV

Prepustnost kisika cm3/m2 v 24 h) pri 23°C, 0 % RV metaliziran PET 48 enot 0,589Oxygen permeability cm 3 / m 2 in 24 h) at 23 ° C, 0% RV metallized PET 48 units 0.589

1,551.55

OPP 80 enotOPP 80 units

8,00 1751,58.00 1751.5

Preučevanje standardnega skladiščenja spremljamo, da določimo čez čas izgubo vlage (ali pridobitev) tobaka v cigaretah pakiranih v treh vrstah embalaž in sicer, neovitih standardnih kartonih, standardnih kartonih ovitih z OPP 80 enot in standardnih kartonih ovitih z metaliziranim PET (MPET) v skladu z izumom. Vsi standardni kartoni vsebujejo cigaretne zavojčke ovite z OPP 80 enot. Vzorčne kartone za preučevanje skladiščenja izberemo od več standardnih kartonov, izdelanih istočasno, da jamčimo, da imajo vsi vzorčni kartoni enako začetno vsebnost vlage. Nekaj vzorčnih kartonov ovijemo z OPP 80 enot, nekaj jih ovijemo z MPET in nekaj jih ne ovijemo (t.j., neoviti). Da ugotovimo začetno vsebnost vlage tobaka cigaret pakiranega v vzorčnih kartonih, odstranimo tobak iz cigaret iz enega od vzorčnih kartonov in določimo dejansko vsebnost vlage tobaka, kot odstotek od celokupne mase tobaka, v skladu s standaradnim postopkom. Ta vrednost dejanske vsebnosti vlage predstavlja začetno vsebnost vlage tobaka v vseh vzorčnih kartonih. Vzorčne kartone stehtamo, da določimo začetno maso za vsak karton pri začetni vsebnosti vlage. Kartone nato razdelimo v tri skupine, pri čemer vsaka skupina vključuje kartone vsake vrste, t.j. neovit, ovit z OPP 80 enot in ovit z MPET. Vsako skupino treh vrst kartonov damo v enega od treh različnih kontroliranih okolij, z neko temperaturo (T) in relativno vlago (RV). Periodično kartone vsake skupine tehtamo in na osnovi začetne vsebnosti vlage in razlike v masi od začetne mase za vsak vzorčni karton, izračunamo vsebnost vlage tobaka v vsakem kartonu. Povprečna vsebnost vlage vzorčnih kartonov vsake vrste po sedmih (7) tednih je predstavljena v tabeli 2 spodaj.The study of standard storage is monitored to determine over time the moisture loss (or acquisition) of tobacco in cigarettes packaged in three types of packaging, namely, non-rigid standard cartons, standard cartons wrapped with OPP 80 units and standard cartons wrapped with metallized PET (MPET) in accordance with invention. All standard cartons contain cigarette packs wrapped with OPP 80 units. Sample cartons for storage study are selected from several standard cartons manufactured at the same time to guarantee that all sample cartons have the same initial moisture content. Some sample cartons are wrapped with OPP 80 units, some are wrapped with MPET and some are not wrapped (i.e., wrapped). To determine the initial moisture content of tobacco cigarettes packaged in the sample cartons, remove the tobacco from the cigarettes from one of the sample cartons and determine the actual moisture content of the tobacco as a percentage of the total weight of the tobacco in accordance with the standard procedure. This value of the actual moisture content represents the initial moisture content of the tobacco in all the sample cartons. The sample cartons are weighed to determine the initial mass for each carton at the initial moisture content. The cards are then divided into three groups, each group comprising cards of each type, i.e. curved, wrapped with OPP 80 units and wrapped with MPET. Each group of three types of cartons is placed in one of three different controlled environments, with some temperature (T) and relative humidity (RV). We periodically weigh the cartons of each group and, based on the initial moisture content and the difference in weight from the initial mass for each sample carton, calculate the moisture content of the tobacco in each carton. The average moisture content of the sample cartons of each species after seven (7) weeks is presented in Table 2 below.

TABELA2TABLE2

Začetna vsebT°C/RV % nost vlage %Initial content ° C / RV% moisture%

Vsebnost vlage % po 7 tednihMoisture content% after 7 weeks

37/20 37/20 12,3 12.3 25/34 25/34 12,3 12.3 31/80 31/80 12,3 12.3

Std karton neovit Std cardboard neovit 7,4 7.4 9,9 9.9 11,0 11,0 11,8 11,8 14,2 14.2 12,9 12.9

Std karton Std karton OPP 80 enot MPETStd carton Std carton OPP 80 MPET units

11,911.9

12,212.2

12,312.3

Medtem ko je barierni ovojni material predloženega izuma predstavljen in opisan tukaj kot ovoj za zavojčke in kartone za izdelke za kajenje, je prav tako možno, da uporabimo zavojni material izuma kot notranji vložek ali notranji ovoj namesto običajnega laminata kovinske folije/papirja. Če ga uporabimo kot notranji ovoj, zavojni material izuma ni potrebno tiskati in ima lahko toplotno variv sloj nanesen na eno ali obe njegovi celotni strani. Zunanji etiketni ovoj je lahko običajna mehka ali trda zavojna embalaža in ovoj je lahko običajen optičen prozoren OPP toplotno variv ovoj s strgalnim trakom.While the barrier wrapping material of the present invention is presented and described herein as a wrapping for packets and cartons for smoking products, it is also possible to use the wrapping material of the invention as an inner cartridge or inner wrapper instead of the conventional metal foil / paper laminate. When used as an inner wrap, the wrapping material of the invention need not be printed and may have a heat seal layer applied to one or both of its entire sides. The outer label wrapper may be a conventional soft or hard wrapped package and the wrapper may be a conventional optically transparent OPP heat-sealing sheath with a scraper.

Glede na sl. 4 ta alternativna izvedba vključuje: (1) notranji vložek 54, ki obsega metaliziran PET film, tiskan ali netiskan, s toplotno varivim slojem ali sloji za toplotno varjenje zapognjene zgornje stene ali zaklopa 66 in spodnje stene ali zaklopa (ni prikazano); (2) zunanja etiketa 56 iz papirja s tiskanimi znaki; in (3) ovoj 68 optično prozornega polimernega materiala, kot npr. toplotno varivega OPP. Trgalni trak podoben trgalnemu traku 72 je nameščen na notranji vložek 54 za raztrganje metaliziranega PET filma notranjega vložka te alternativne izvedbe.According to FIG. 4, this alternative embodiment includes: (1) an inner insert 54 comprising metallized PET film, printed or non-printed, with a heat-sealing layer or layers for thermal welding of the folded top wall or shutter 66 and the bottom wall or shutter (not shown); (2) outer label 56 made of printed paper; and (3) wrapping 68 optically transparent polymeric material such as e.g. heat-weldable OPP. A tear strip similar to tear strip 72 is mounted on the inner insert 54 to tear the metallized PET film of the inner insert of this alternative embodiment.

V tej alternativni izvedbi, zato ker so barierne lastnosti zagotovljene s toplotno varjenim notranjim vložkom, toplotno varive značilnosti ovoja niso tako kritične kot v običajnem cigaretnem zavojčku. Torej drsne značilnosti ovoja lahko bistveno izboljšamo brez izgube bariernih lastnosti celotnega zavojčka.In this alternative embodiment, because the barrier properties are provided by a heat-sealed inner cartridge, the heat-sealing characteristics of the wrapper are not as critical as in a conventional cigarette pack. So the sliding characteristics of the wrapper can be significantly improved without losing the barrier properties of the entire pack.

Zavojni material izuma tudi lahko uporabimo kot zunanji etiketni ovoj tiskan z ustreznimi znaki in s toplotno varivima slojema na eni ali obeh njegovih straneh. Notranji ovoj je lahko običajeni laminat kovinske folije/papirja in ovoj je lahko običajen toplotno variv ovoj iz optično prozornega OPP s trgalnim trakom. Prav tako je možno, da uporabimo samo metaliziran PET zavojni material za zavijanje izdelkov za kajenje, dokler zavojček ali njegova vsebina zagotavlja zadostno podporo za tvorjenje toplotnih zvarov po robovih/zaklopih zavojčka.The wrapping material of the invention can also be used as an outer label wrapper printed with appropriate characters and with heat-sealing layers on one or both sides thereof. The inner sheath may be a conventional metal foil / paper laminate, and the sheath may be a conventional thermally weldable optically transparent OPP with a ribbon. It is also possible to use only metallized PET wrapping material for wrapping smoking products, as long as the pack or its contents provide sufficient support for the formation of heat welds along the edges / flaps of the pack.

Čeprav so določene trenutno prednostne izvedbe predloženega izuma tukaj specifično predstavljene in opisane bodo strokovnjaki na katere se izum nanaša, upoštevali, da je možnih mnogo modifikacij in variant predloženega izuma v okviru zgornjih poučevanj, ne da bi se oddaljili od smisla in obsega izuma. Torej je namen, da je izum omejen samo do obsega zahtevanega z dodanimi zahtevki in uporabnimi pravili zakona.Although certain currently preferred embodiments of the present invention are specifically presented herein and those skilled in the invention will be described, it will be appreciated that many modifications and variants of the present invention are possible within the above teachings without departing from the spirit and scope of the invention. It is therefore intended that the invention be limited to the extent required by the appended claims and the applicable rules of the law.

Claims (14)

1. Zavojček, označen s tem, da obsega:1. A pack, characterized in that it comprises: notranji ovoj, ki vsebuje več izdelkov za kajenje; in ovojni film, ki ovija notranji ovoj, pri čemer ovojni film obsega polimerni film z vakuumsko nanesenim kovinskim slojem na eni njegovi strani.an inner wrap containing several smoking products; and an envelope film that wraps the inner envelope, the envelope film comprising a polymer film with a vacuum deposited metal layer on one side thereof. 2. Zavojček po zahtevku 1, označen s tem, da ima navedem ovojni film debelino okoli 31,75 μια ali manj.A pack according to claim 1, characterized in that said envelope film has a thickness of about 31.75 μια or less. 3. Zavojček po zahtevku 2, označen s tem, da ima navedeni ovojni film debelino manj kot 80 enot.A pack according to claim 2, characterized in that said envelope film has a thickness of less than 80 units. 4. Zavojček po zahtevku 3, označen s tem, da ima navedeni ovojni film debelino 48 do 60 enot.A pack according to claim 3, characterized in that said wrapping film has a thickness of 48 to 60 units. 5. Zavojček po zahtevku 1, označen s tem, da je toplotno variv sloj nanesen vsaj na eno površino ovojnega filma.A pack according to claim 1, characterized in that the heat-sealing layer is applied to at least one surface of the wrapping film. 6. Zavojček po zahtevku 1 ali 5, označen s tem, da je toplotno variv sloj nanesen na obe površini ovojnega filma.A pack according to claim 1 or 5, characterized in that the heat-sealing layer is applied to both surfaces of the wrapping film. 7. Zavojček po zahtevku 6, označen s tem, da je toplotno variv sloj nanesen v vnaprej določenem vzorcu na zunanji površini ovojnega filma.A pack according to claim 6, characterized in that the heat-sealing layer is applied in a predetermined pattern on the outer surface of the wrapping film. 8. Zavojček po zahtevku 1, označen s tem, da je navedeni notranji ovoj embalaža z zgibanim pokrovom.A pack according to claim 1, characterized in that said inner wrapper is a hinged lid. 9. Zavojček po zahtevku 1, označen s tem, da ima navedeni ovojni film prekrivajoč toplotno zavarjen stranski rob in prekrivajoče zgoraj in spodaj zapognjene in toplotno zavarjene končne zaklope, nadalje obsega toplotno variv sloj, nanesen na obeh, notranji in zunanji površini ovojnega filma, pri čemer je sloj, ki je nanesen na zunanji površini ovojnega filma, nanesen v vzorcu, ki vključuje vzdolžne trakove vzdolž zgornjih in spodnjih robov ovojnega filma, ki je združen z varivim slojem na notranji površini ovojnega filma, da oblikuje zapognjene in toplotno zavarjene končne zaklope zavojčka, in prečni trak, ki se razteza med vzdolžnimi trakovi po robovih ovojnega filma, ki je združen z varivim slojem na notranji površini ovojnega filma, da tvori toplotno zavarjen stranski rob zavojčka.A pack according to claim 1, characterized in that said wrapping film has an overlapping heat-sealed side edge and overlapping end-folded and heat-sealed end locks, further comprising a heat-sealing layer applied to both the inner and outer surfaces of the wrapping film, wherein the layer applied to the outer surface of the envelope film is applied in a pattern including longitudinal strips along the upper and lower edges of the envelope film, which is joined to a weldable layer on the inner surface of the envelope film to form bent and thermally welded end locks and a transverse strip extending between the longitudinal strips along the edges of the wrapping film, which is joined with a weld layer on the inner surface of the wrapping film to form a thermally welded lateral edge of the wrapper. 10. Zavojček po zahtevku 1 ali 9, označen s tem, da je aromatična snov nanesena na notranjem ovoju.A pack according to claim 1 or 9, characterized in that the flavoring substance is applied on the inner sheath. 11. Zavojček, označen s tem, da obsega:11. A pack, characterized in that it comprises: karton, ki vsebuje več zavojev izdelkov za kajenje; in ovojni film, ki ovija karton, pri čemer ovojni film obsega polimerni film z vakuumsko nanesenim kovinskim slojem na eni njegovi strani.carton containing multiple packs of smoking products; and a cardboard wrapping film, the wrapping film comprising a polymer film with a vacuum deposited metal layer on one side thereof. 12. Zavojček po zahtevku 11, označen s tem, da je toplotno variv sloj nanesen na vsaj eno površino ovojnega filma.A pack according to claim 11, characterized in that the heat-sealing layer is applied to at least one surface of the wrapping film. 13. Zavojček po zahtevku 12, označen s tem, da je toplotno variv sloj nanesen na obe površini ovojnega filma.13. A pack according to claim 12, characterized in that the heat-sealing layer is applied to both surfaces of the wrapping film. 14. Zavojček po zahtevku 1 ali 9, označen s tem, da je navedeni polimerni film dvoosno orientiran polietilen tereftalatni film in je navedeni kovinski sloj aluminijski sloj.A pack according to claim 1 or 9, characterized in that said polymer film is a biaxially oriented polyethylene terephthalate film and said metal layer is an aluminum layer.
SI9110727A 1991-04-22 1991-04-22 Hid barrier packages for smoking articles and other products SI9110727B (en)

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YU72791 1991-04-22

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SI9110727B SI9110727B (en) 2001-06-30

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