NO119675B - - Google Patents

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Publication number
NO119675B
NO119675B NO167946A NO16794667A NO119675B NO 119675 B NO119675 B NO 119675B NO 167946 A NO167946 A NO 167946A NO 16794667 A NO16794667 A NO 16794667A NO 119675 B NO119675 B NO 119675B
Authority
NO
Norway
Prior art keywords
field
plastic
cardboard
joining
coated
Prior art date
Application number
NO167946A
Other languages
Norwegian (no)
Inventor
K Holmstroem
Original Assignee
Akerlund & Rausing Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Akerlund & Rausing Ab filed Critical Akerlund & Rausing Ab
Publication of NO119675B publication Critical patent/NO119675B/no

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42Details of containers or of foldable or erectable container blanks
    • B65D5/56Linings or internal coatings, e.g. pre-formed trays provided with a blow- or thermoformed layer
    • B65D5/563Laminated linings; Coatings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/02Preparation of the material, in the area to be joined, prior to joining or welding
    • B29C66/022Mechanical pre-treatments, e.g. reshaping
    • B29C66/0224Mechanical pre-treatments, e.g. reshaping with removal of material
    • B29C66/02241Cutting, e.g. by using waterjets, or sawing
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112Single lapped joints
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/01General aspects dealing with the joint area or with the area to be joined
    • B29C66/05Particular design of joint configurations
    • B29C66/10Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/135Single hemmed joints, i.e. one of the parts to be joined being hemmed in the joint area
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/40General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43Joining a relatively small portion of the surface of said articles
    • B29C66/431Joining the articles to themselves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/40General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43Joining a relatively small portion of the surface of said articles
    • B29C66/432Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
    • B29C66/4326Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms for making hollow articles or hollow-preforms, e.g. half-shells
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/70General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/72General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined
    • B29C66/723General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered
    • B29C66/7232General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer
    • B29C66/72327General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the structure of the material of the parts to be joined being multi-layered comprising a non-plastics layer consisting of natural products or their composites, not provided for in B29C66/72321 - B29C66/72324
    • B29C66/72328Paper
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/02Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body
    • B65D5/0272Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper by folding or erecting a single blank to form a tubular body with or without subsequent folding operations, or the addition of separate elements, to close the ends of the body with end closures formed by applying a web on the edge of the body, and subsequent inward folding of flaps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D5/00Rigid or semi-rigid containers of polygonal cross-section, e.g. boxes, cartons or trays, formed by folding or erecting one or more blanks made of paper
    • B65D5/42Details of containers or of foldable or erectable container blanks
    • B65D5/4279Joints, seams, leakproof joints or corners, special connections between panels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/10Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/10Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined
    • B29C65/106Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined using flames coming in contact with at least one of the parts to be joined
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74Auxiliary operations
    • B31B50/742Coating; Impregnating; Waterproofing; Decoating
    • B31B50/743Coating or impregnating edges or corners

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Cartons (AREA)

Description

Kartongeske med tett lengdeskjøt.Cardboard box with tight longitudinal joint.

Foreliggende oppfinnelse angår en kartongeske omfattende fireThe present invention relates to a cardboard box comprising four

innbyrdes sammenhengende sidevegger, hvorav to er forenet med hverandre ved hjelp av et sammenfoyningsfelt under dannelse av en sluttet hylse, hvorved sammenfoyningsfeltet og sideveggene på innsiden er belagt med et væsketett skikt av plast eller lignende. interconnected side walls, two of which are united with each other by means of a joining field to form a closed sleeve, whereby the joining field and the side walls on the inside are coated with a liquid-tight layer of plastic or the like.

Det særegne ved kartongesken i henhold til oppfinnelsen er at sammenfoyningsfeltet er avtynnet utover og deretter dobbeltbrettet, The peculiarity of the cardboard box according to the invention is that the joining field is thinned outwards and then folded twice,

og at en del av feltets plastbelagte innside er brettet utoverand that part of the field's plastic-coated inside is folded outwards

og tjener som festeflate for den sidevegg ved hvilken sammenfoyningsfeltet er festet. and serves as an attachment surface for the side wall to which the joining field is attached.

Ved oppfinnelsen oppnås den fordel at kartongesken inni fremviser et heltubrutt plastskikt. Ved esker som er plastbelagt bare på innsiden vinnes videre den fordel at varmforseglingen av lengdeskjoten lettes ved at begge sammenfoyningsflater er plastbelagt. The invention achieves the advantage that the cardboard box inside presents a completely unbroken plastic layer. In the case of boxes that are coated with plastic only on the inside, the advantage is also gained that the heat sealing of the longitudinal joint is made easier by the fact that both joining surfaces are coated with plastic.

Fortrinnsvis er oppfinnelsen ment tilpasset til slike kartongesker, som ved den ene eller begge ender fremviser fire endetilslutningsfliker, hvilke også er plastbelagt på innsiden, slik at man til disse i deres ut fra eskeåpningen utbrettede stilling, kan feste en oblat av plast eller plastbelagt papir. Oblaten festes herved passende ved hjelp av varmforsegling. Oppfinnelsen kai dog naturligvis også tilpasses mange andre emballasjer hvor man onsker en tettet lengdeskjot. Preferably, the invention is intended to be adapted to such cardboard boxes, which at one or both ends display four end connection tabs, which are also plastic-coated on the inside, so that in their unfolded position from the box opening, a wafer of plastic or plastic-coated paper can be attached to these. The wafer is thereby suitably attached by means of heat sealing. The invention can, of course, also be adapted to many other packaging where a sealed longitudinal joint is desired.

Den ved hjelp av sammenfoyningsfeltet fremstilte lengdeskjot-forsegling foretas passende ved hjelp av varmforsegling, hvorved oppvarmingen eksempelvis kan foregå ved hjelp av varmluft eller åpen flamme. Oppfinnelsen beskrives nærmere i det folgende under henvisning til de vedfoyde tegninger, som beskriver en eksempelvis foretrukket utforelsesform av oppfinnelsens gjenstand. Fig. 1 viser i perspektiv en fylt og delvis lukket emballasje i henhold til oppfinnelsen. Fig. 2 viser et snitt gjennom lengdeskjoten i en i og for seg kjent emballasje av den i fig. 1 viste type. Fig. B^vorledes emballasjens sammenfdyningsfelt i henhold til oppfinnelsen kan avtynnes. Fig. h viser til slutt et tverrsnitt gjennom lengdeskjoten hos en i henhold til oppfinnelsen utformet kartongeske. The longitudinal splice seal produced by means of the joining field is suitably done by means of heat sealing, whereby the heating can for example take place with the aid of hot air or an open flame. The invention is described in more detail in the following with reference to the attached drawings, which describe an exemplary preferred embodiment of the object of the invention. Fig. 1 shows in perspective a filled and partially closed packaging according to the invention. Fig. 2 shows a section through the longitudinal joint in a per se known packaging of the one in fig. 1 shown type. Fig. B shows that the merging field of the packaging according to the invention can be thinned. Fig. h finally shows a cross-section through the longitudinal joint of a cardboard box designed according to the invention.

Den i fig. 1 illustrerte emballasje omfatter fire innbyrdes sammenhengende sidevegger 1 samt fire endetilslutningsfliker 2, 3»^°g To av sideveggene 1 er forenet med hverandre ved hjelp av et sammenfoyningsfelt 6. Herigjennom dannes en helt sluttet hylse. Emballasjen vises i fig. 1 lukket ved hjelp av en oblat 75hvilken i endetilslutningsflikenes utbrettede stilling er festet til innsiden av disse. Denne oblat utgjores fortrinnsvis av et phstbelagt papir, men kan naturligvis bestå av annet material, som f. eks. ren plast. The one in fig. 1 illustrated packaging comprises four interconnected side walls 1 as well as four end connection tabs 2, 3»^°g Two of the side walls 1 are united with each other by means of a joining field 6. This forms a completely closed sleeve. The packaging is shown in fig. 1 closed by means of a wafer 75 which, in the unfolded position of the end connection tabs, is attached to the inside of these. This wafer is preferably made of a phst-coated paper, but can of course consist of other material, such as e.g. pure plastic.

Som det fremgår av figurene 2- k kan dæ i fig. 1 illustrerte emballasje være tilvirket av et kartongmaterial 8, som på sin innside er belagt med et plastskikt 9. Normalt erholdes ved slike emballasjer, som vist i fig. 2, en rå snittkant 10 hvilken lett suger opp væske eller fett fra emballa sjeinnholdet. As can be seen from figures 2-k, die in fig. 1 illustrated packaging be made of a cardboard material 8, which is coated on the inside with a plastic layer 9. Normally, with such packaging, as shown in fig. 2, a raw cut edge 10 which easily absorbs liquid or fat from the packaging contents.

I henhold til oppfinnelsen er sammenfoyningsfeltet avtynnet således utover, som vist i fig. 3)at dette kan dobbeltbrettes uten alt for stor materialopphopning. Fortrinnsvis lar man According to the invention, the joining field is thus thinned outwards, as shown in fig. 3) that this can be folded twice without too much accumulation of material. Preferably one lets

herved piastbelegget 9 forbli jevntykk, mens papp- eller kartong-in this way the piast coating 9 remains of uniform thickness, while cardboard or cardboard

. materialet 8 avtynnes fra normal tykkelse nærmest den sidevegg 1, til hvilken feltet 6 fra begynnelsen er festet, til ytterst liten tykkelse ved feltets for dobbeltbrettingen 10 ytre kant 12. Herigjennom kan feltet 6, som det fremgår av fig. •+, dobbeltbrettes uten å bli tykkere enn hva som er tilfellet ved utforelsen i henhold til fig. 2. Ved utforelsen i henhold til fig. h erholdes imidlertid ikke den rå snittkant 10, men i stedet erholdes en av plast tettet kant 11. . the material 8 is thinned from normal thickness closest to the side wall 1, to which the field 6 is initially attached, to an extremely small thickness at the outer edge 12 of the field for the double folding 10. Through this, the field 6, as can be seen from fig. •+, is doubled without becoming thicker than what is the case with the embodiment according to fig. 2. In the embodiment according to fig. however, the raw cut edge 10 is not obtained, but instead a plastic-sealed edge 11 is obtained.

Oppfinnelsen kan varieres innen vide grenser, eksempelvis kan lukkingen av eskens ende skje på mange andre måter enn den som er vist. Lukkes imidlertid esken ved hjelp av en innvendig plastbelagt oblat, som vist i fig. 1, erholdes i henhold til oppfinnelsen en fullstendig tett emballasje. En forsterkning og ytterligere tetting kan erholdes i emballsjens hjorner, om man ikke lar slissene mellom endetHslutningsflikene strekke seg helt inn til eskehjornene. Herigjennom erholdes nemlig ved flikenes utbretting små fiberstusser i hjornene, hvorigjennom oblatens fastsetting lettes. Etterlater man ved den indre del av disse slisser bare eskens indre plastskikt ugjennomskåret, erholder man et hjorne stykke av plast som overspenner hjornet^hvilket hjornestykke også letter oblatens fastsetting og dermed eskens tetning. The invention can be varied within wide limits, for example the closing of the end of the box can be done in many other ways than the one shown. However, if the box is closed using an internal plastic-coated wafer, as shown in fig. 1, a completely sealed packaging is obtained according to the invention. A reinforcement and additional sealing can be obtained in the corners of the packaging, if the slits between the end closing tabs are not allowed to extend all the way to the corners of the box. As a result, when the flaps are unfolded, small tufts of fiber are obtained in the corners, which makes fixing the wafer easier. If you leave only the inner plastic layer of the box uncut at the inner part of these slits, you get a corner piece of plastic that spans the corner^which corner piece also facilitates the fixing of the wafer and thus the sealing of the box.

Claims (2)

1. Kartongeske omfattende fire innbyrdes sammenhengende sidevegger (1), hvorav to er forenet med hverandre ved hjelp av et sammenfoyningsfelt (6) under dannelse av en sluttet hylse, idet sammenfoyningsfeltet (6) og sideveggene (1) i det minste på-innsiden er belagt med et væsketett skikt (9) av plast eller lignende, karakterisert ved at sammenfoyningsfeltet (6) er avtynnet utover og dobbeltbrettet slik at en del av dets plastbelagte innside vender utad og tjener som festeflate for den sidevegg (1) ved hvilken sammenfoyningsfeltet (6) er festet.1. Cardboard box comprising four interconnected side walls (1), two of which are united with each other by means of a joining field (6) forming a closed sleeve, the joining field (6) and the side walls (1) being at least on the inside coated with a liquid-tight layer (9) of plastic or the like, characterized in that the joining field (6) is thinned outwards and double-folded so that part of its plastic-coated inside faces outwards and serves as an attachment surface for the side wall (1) at which the joining field (6 ) is attached. 2. Kartongkapsel som angitt i krav 1, karakterisert ved at sammenfoyningsfeltet (6) har et stort sett jevntykt plastbelegg (9), mens papp- eller kartongmaterialet (8) avtynnes fra normal tykkelse nærmest den sidevegg (1) ved hvilken feltet (6) fra begynnelsen er festet, til ytterst liten tykkelse ved feltets for dobbeltbrettingen fri ytre kant. (12).2. Cardboard capsule as stated in claim 1, characterized in that the joining field (6) has a largely uniform plastic coating (9), while the cardboard or cardboard material (8) is thinned from normal thickness closest to the side wall (1) at which the field (6) from the beginning is attached, to an extremely small thickness at the outer edge of the field free for the double folding. (12).
NO167946A 1966-04-29 1967-04-28 NO119675B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE582966 1966-04-29

Publications (1)

Publication Number Publication Date
NO119675B true NO119675B (en) 1970-06-15

Family

ID=20267323

Family Applications (1)

Application Number Title Priority Date Filing Date
NO167946A NO119675B (en) 1966-04-29 1967-04-28

Country Status (3)

Country Link
DK (1) DK112432B (en)
GB (1) GB1122346A (en)
NO (1) NO119675B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4540391A (en) * 1982-12-06 1985-09-10 International Paper Company Method and apparatus for skiving and hemming
US4558814A (en) * 1983-12-14 1985-12-17 Champion International Corporation Reinforcement for bottom major horizontal score line of container
US4583679A (en) * 1984-01-17 1986-04-22 Manville Service Corporation Resealable paperboard package
NL1001844C2 (en) * 1995-12-07 1997-06-10 Crystal Bv Method for manufacturing a liquid-tight box and a box obtained by the method.
SE525195C2 (en) * 2002-06-13 2004-12-21 Tetra Laval Holdings & Finance When preparing a packaging container and packaging container or substance therefor
US20150166215A1 (en) * 2013-12-12 2015-06-18 Hub Folding Box Company, Inc. Re-closable Food Container

Also Published As

Publication number Publication date
DK112432B (en) 1968-12-09
GB1122346A (en) 1968-08-07

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