DK165680B

DK165680B - PROCEDURE FOR MANUFACTURING A PACK OF CARTON OR SIMILAR

Info

Publication number: DK165680B
Application number: DK598586A
Authority: DK
Inventors: Bahne Petersen; Eberhard Radbruch
Original assignee: Unilever Nv
Priority date: 1985-12-14
Filing date: 1986-12-12
Publication date: 1993-01-04
Also published as: ES2039350T3; DK598586D0; EP0226972B1; DK165680C; EP0226972A2; DK598586A; EP0226833A2; DE3544386C2; EP0226833A3; EP0226972A3; EP0226833B1; DE3687640D1; DE3544386A1; ATE85012T1

Abstract

The blank for producing a package for an at least approximately circular part has a top wall, a bottom wall and two side walls. The top and bottom walls are essentially circular whereas the side walls are of rectangular shape, but have a length which is less than the diameter of the two other walls. At the transition to the side walls, the top and bottom walls are adapted to the shape of the side walls. Flaps are attached in the set-back portion thus formed, which flaps form the end faces of the package and extend at most slightly beyond these two walls. <IMAGE>

Description

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Opfindelsen angår en fremgangsmåde til fremstilling af en pakning af karton eller lignende materiale for en i det mindste tilnærmelsesvis cylindrisk del af et emne med en topvæg, en bundvæg, samt to sidevægge, som ved en klæbe-5 kant er forbundet med hinanden til et slangeformet hylster, idet der på de to frie kanter af top- og bundvæg er påhængslet lasker, der danner pakningens endelukker.BACKGROUND OF THE INVENTION 1. Field of the Invention This invention relates to a method of making a carton or similar material pack for an at least substantially cylindrical portion of a workpiece having a top wall, a bottom wall, and two side walls which are connected at one end to a hose-shaped casing, with lugs forming the end closures of the gasket on the two free edges of the top and bottom walls.

Den i tysk brugsmønster nr. 1.981.248 beskrevne fremgangsmåde til pakning af et emne foreslår, at top- og bund-10 vægdele under fastholdelse af en sidevæg foldes 90° opad og dernæst indbukkes den nederste del af de to endevægge. Emnet, der skal indpakkes, ilægges dernæst den således foldede pakning, og dernæst indfoldes den sidste sidevæg og de resterende yderligere dele af de to endevægge. Denne frem-15 gangsmåde vedrører alene et emne, som realiserer lukningen af pakningen ved hjælp af en sidevæg, og som har en specielt hertil indrettet udformning af de to endevægge. Dette kræver en øget foldningsindsats, hvilket samtidigt betyder et større tidsforbrug til fremstilling af pakningen.The method of packing a workpiece described in German usage pattern No. 1,981,248 suggests that the top and bottom 10 wall parts, while retaining a sidewall, are folded 90 ° upwards and then the lower part of the two end walls is folded in. The blank to be wrapped is then loaded into the thus-folded gasket, and then the last sidewall and the remaining additional portions of the two end walls are folded. This method relates only to a workpiece which realizes the closure of the gasket by a side wall, and which has a specially designed design for the two end walls. This requires increased folding effort, which at the same time means a greater time consumption for the manufacture of the package.

20 Formålet med opfindelsen er at angive en fremgangsmåde til fremstilling af en pakning af karton, hvor pakningen består af et emne og kan fremstilles og lukkes uafhængigt af endevæggenes udformning.The object of the invention is to provide a method of making a package of cardboard, wherein the package consists of a blank and can be manufactured and closed independently of the design of the end walls.

Dette opnås ved en fremgangsmåde af den i indledningen 25 nævnte art ifølge opfindelsen ved, at emnet, med de på de frie kanter af sidevæggene påhængslede lasker og med en bundvæg, der består af to indbyrdes delvis overlappende dele, med sin udvendige side nedad lægges i en formningsindretning, således at de to sidevægge med de derpå tildannede 30 yderligere frie top- og bundvægdele bukkes opad i en vinkel på 90°, og at disse frie vægdele derpå foldes tilbage i en vinkel på 90e, hvorefter delen, der skal emballeres, lægges i det således opståede trug, og at de frie vægdele foldes mod hinanden over en vinkel på 180°, hvorved der i overlap-35 ningsområdet for disse frie vægdele ved brug af varmsmelt-This is achieved by a method of the kind mentioned in the preamble 25 according to the invention in that the blank is laid down with its exterior face downwards with its hinges hinged on the free edges of the side walls and with a bottom wall consisting of two mutually overlapping parts. a molding device such that the two side walls with the additional free top and bottom wall portions formed thereup are bent upwards at an angle of 90 °, and that these free wall portions are then folded back at an angle of 90e, after which the part to be packaged is laid in the trough thus formed, and that the free wall portions are folded against each other at an angle of 180 °, whereby in the overlap region of these free wall portions using

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2 ning (Hotmelt) elle lignende tilvejebringes en længdesøm, hvorefter eventuelt tilstedeværende støvlasker på den forreste og bageste endevæg foldes ind, og endevæggene tilvejebringes ved, at de på over- og undervæggen hængslede 5 lasker foldes over hinanden og klæbes.2 (Hot Melt) or the like, a longitudinal seam is provided, whereupon any dust glasses present on the front and rear end walls are folded in, and the end walls are provided by the hinges on the upper and lower walls being folded over one another and adhered.

Således kan pakninger af denne art uafhængigt af udformningen af deres endeflader på nem og rationel måde opbukkes og lukkes.Thus, gaskets of this kind, independently of the design of their end faces, can be easily and rationally inflated and closed.

Opfindelsen skal i det følgende forklares nærmere, 10 idet der henvises til tegningen, på hvilken fig. 1 viser et fladtliggende emne af karton med en top- og bundvæg samt to sidevægge, fig. 2 en af emnet i figur 1 opbukket og påfyldt pakning, 15 fig. 3 endnu et fladtliggende emne og fig. 4 en skematisk oversigt over forløbet af fremgangsmåden til fremstilling af en pakning.BRIEF DESCRIPTION OF THE DRAWINGS The invention will be explained in more detail below with reference to the drawing, in which Fig. 1 shows a flat sheet of cardboard with a top and bottom wall and two side walls; 2 shows a packaged and filled gasket of the blank of FIG. 1; FIG. 3 shows a still flat subject and FIG. 4 is a schematic overview of the process of preparing a package.

Figur 1 viser med betegnelsen 1 et fladtliggende emne af karton, der har en overvæg 2, to sidevægge 3 og 4 20 samt en bundvæg 5, der er udformet af to stykker. Alle disse vægge er anbragt på række ved siden af hinanden og er forbundet med hinanden ved forbindelseslinierne 6,7,8 og 9. På sidevæggene 3 og 4's to frie kanter er der påhængslet lasker 10,11 og 12,13. Desuden er der til topvæggen 2-'s og 25 bundvæggen 5's tilstødende kanter ved forbindelseslinierne 14 til 21 fastgjort yderligere lasker 22 til 29.Figure 1 shows, with the designation 1, a flat sheet of cardboard having an upper wall 2, two side walls 3 and 4 20 and a bottom wall 5 formed of two pieces. All of these walls are arranged in a row adjacent to each other and are connected to each other by the connecting lines 6,7,8 and 9. On the two free edges of the side walls 3 and 4, hinges 10,11 and 12,13 are hung. In addition, the adjacent edges of the top wall 2 and 25 of the bottom wall 5 are attached to the connecting lines 14 to 21 additional lugs 22 to 29.

Topvæggen 2 og bundvæggen 5 (efter samlingen af de to stykker) er i det væsentlige cirkelformede med diameteren D. Forbindelseslinierne 16 til 19 og 14,15 og 30 20,21 ligger som tangenter til periferilinien for denne cirkel og går gennem de respektive endepunkter for forbindelseslinierne 6,7,8 og 9, hvis længde er noget mindre end diameteren D. Laskerne 22 til 28 er ved deres udvendigt liggende kanter 30 og 37 afskrået, hvorved alle lasker lig-35 ger inden for en tænkt forbindelseslinie mellem topvæggen 0The top wall 2 and the bottom wall 5 (after joining the two pieces) are substantially circular in diameter D. The connecting lines 16 to 19 and 14,15 and 30,20,21 lie as tangents to the peripheral line of this circle and pass through the respective end points of the the connecting lines 6,7,8 and 9, the length of which is somewhat smaller than the diameter D. The lugs 22 to 28 are cut off at their outer edges 30 and 37, whereby all the lugs lie within an imaginary connecting line between the top wall 0

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3 2's og bundvæggen 5's ydre periferi. Således har emnet kun den bredde, som bestemmes af diameteren D, der er fastlagt i overensstemmelse med delen, der skal emballeres.3 2's and bottom wall 5 outer periphery. Thus, the blank has only the width which is determined by the diameter D determined in accordance with the part to be packaged.

I figur 2 er der vist en færdigfremstillet, rejst 5 og påfyldt pakning. Bundvæggen 5's to stykker er forbundet med hinanden ved hjælp af en klæbekant K. I pakningens endestykker er der tilvejebragt udskæringer, så pakningen er å-ben, og den emballerede del 38 bliver synlig.Figure 2 shows a pre-made, erected 5 and filled gasket. The two pieces of the bottom wall 5 are connected to each other by means of an adhesive edge K. In the end ends of the package, cuts are provided so that the package is open and the packaged part 38 becomes visible.

Et i figur 3 vist emne 41 af karton omfatter lige-10 ledes en topvæg 42, to sidevægge 3 og 4 samt en bundvæg 45, som er dannet af to stykker. Alle disse flader er anbragt på række ved siden af hinanden og er forbundet med hinanden ved forbindelseslinierne 6,7,8 og 9. På sidevæggene 3 og 4's to frie kanter er der fastgjort hængslede lasker 10,11 15 og 12,13. Topvæggen 42 og bundvæggen 45 er i det mindste tilnærmelsesvis cirkelformede, og den teoretiske periferilinie for cirklen er betegnet U. Som tangenter til denne cirkelperiferilinie ligger forbindelseslinier 54 til 61, langs hvilke laskerne 62 til 69 er fastgjort til hhv. top-20 og bundvæggen. Det ene endepunkt for disse forbindelseslinier 54 til 61 falder sammen med det respektive endepunkt for forbindelseslinierne 6 til 9, og det andet med endepunktet for de tilstødende forbindelseslinier. Laskerne 62 til 69's udvendigt liggende kanter 70 til 77 er også her af-25 skrået, således at disse lasker kun rager ubetydeligt ud o-ver top- og bundvæggens teoretiske periferi.A cardboard blank 41 shown in Figure 3 also comprises a top wall 42, two side walls 3 and 4 and a bottom wall 45 formed of two pieces. All of these surfaces are arranged in a row adjacent to each other and connected to each other by the connecting lines 6,7,8 and 9. On the two free edges of the side walls 3 and 4, hinged fasteners 10,11 15 and 12,13 are attached. The top wall 42 and the bottom wall 45 are at least approximately circular, and the theoretical circumferential line of the circle is designated U. As tangents to this circular periphery line are connecting lines 54 to 61 along which the lugs 62 to 69 are attached, respectively. top-20 and bottom wall. One end point of these connecting lines 54 to 61 coincides with the respective end point of the connecting lines 6 to 9, and the other with the end point of the adjacent connecting lines. The exterior edges 70 to 77 of the laths 62 to 69 are also slanted here, so that these laths extend only slightly beyond the theoretical periphery of the top and bottom walls.

De enkelte trin i fremgangsmåden til rejsning af en pakning af denne art er skematisk vist i figur 4. I trin 1 lægges et kartonemne med dets udvendige side nedad i en ikke 30 vist indretning. I trin 2 bukkes sidevæggene med de derpå hængslede bundvægstykker opad i en vinkel på 90°. Dette gælder for en pakning, hvor klæbekanten er anbragt i bunden.The individual steps in the method of erecting a package of this kind are schematically shown in Figure 4. In step 1, a carton blank with its outside face is laid down in a device not shown. In step 2, the sidewalls with the bottom wall portions hinged thereto are bent upwards at an angle of 90 °. This applies to a gasket where the adhesive edge is placed at the bottom.

Det er naturligvis også muligt at anbringe klæbekanten i området ved topvæggen; i så fald bukkes topvægstyk-35 kerne så opad sammen med sidevæggene.Of course, it is also possible to place the adhesive edge in the area at the top wall; in this case, the top wall piece core is then bent upwards together with the side walls.

44

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o I trin III foldes de to bundvægstykker igen tilbage til det vandrette plan, medens de to sidevægge forbliver stående i det lodrette plan. Derpå tilføres i trin IV delen, der skal emballeres, som lægges ned i det opståede trug. Trin V om-5 fatter foldningen af de to bundvægstykker over hinanden, idet man først bukker det inderste af disse to stykker ind og forsyner det med varmsmeltningsmiddel (Hotmelt) i overlapningsområdet, og derpå folder det yderste stykke over det første.o In step III, the two bottom wall pieces are folded back into the horizontal plane while the two side walls remain upright in the vertical plane. Then, in step IV, the portion to be packaged is added which is deposited in the resulting trough. Step V comprises the folding of the two bottom wall pieces over one another, first folding the innermost of these two pieces and supplying it with hot melt (Hot melt) in the overlap region, and then folding the outermost piece over the first.

I trin VI presses de to stykker sammen i overlapningsområdet, 10 og klæbekanten er således tilvejebragt. Efter den i trin VII tilvejebragte indfoldning af støvlaskerne, følger i trin VIII nedbukningen af de øverste lasker for tilvejebringelsen af endevæggene. I trin IX forsynes de tilsvarende nederste lasker med varmsmeltningsmiddel (Hotmelt) og bukkes derpå opad 15 mod de allerede indfoldede lasker, mod hvilke de presses i trin X.In step VI, the two pieces are pressed together in the overlap region, 10 and the adhesive edge is thus provided. Following the folding of the dust bottles provided in step VII, in step VIII the deflection of the upper bottles follows for the provision of the end walls. In step IX, the corresponding lower lasers are provided with hot melting agent (Hotmelt) and then bent upwards towards the already folded lasers against which they are pressed in step X.

Trinnene I til VI gennemføres mest hensigtsmæssigt i en kontinuerligt forløbende proces, hvorimod trinnene VII til X gennemføres i et diskontinuerligt, dvs. taktvis forløb.Steps I to VI are most conveniently carried out in a continuous process, whereas steps VII to X are carried out in a continuous, i.e. progressively.

20 Derfor er det også hensigtsmæssigt mellem trinnene VI og VII at skifte fra et forløb på én bane til et forløb på to baner.Therefore, it is also appropriate between steps VI and VII to switch from one runway to two runway.

Ved en sådan fremgangsmåde kan pakninger af denne type fremstilles yderst rationelt uafhængigt af indretningens art eller endevæggenes udformning.In such a method, gaskets of this type can be made extremely rational regardless of the nature of the device or the design of the end walls.

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Claims

A method of manufacturing a package of cardboard or similar material for a at least approximately cylindrical portion of a workpiece having a top wall, a bottom wall and two side walls which are connected at one adhesive edge to a hose-shaped casing , on the two free edges of the top and bottom walls are hinged forming the end closures of the gasket, characterized in that the blank, with the hinges (10-13) on the free edges of the side walls (3,4) and with a bottom wall consisting of two mutually overlapping parts (5), with its outer side downwards, laid in a molding device, so that the two side walls with the free-shaped top and bottom wall parts formed thereafter are bent upwards at an angle of 90 °, and that these free wall portions 15 are then folded back at an angle of 90 °, after which the part to be packaged is deposited in the resulting trough, and the free wall portions are folded against each other at an angle of 180 °, whereby in the overlap area for these free wall portions using hot melt (Hotmelt) or the like, a longitudinal seam is provided, whereupon any dust bottles on the front and rear end walls are folded in and the end walls are provided by the hinges hinged to the top and bottom walls and bonded.