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EP0583627B1 - Dispositif et procédé pour la fabrication de profilés vides destinés à l'emballage et articles ainsi obtenus - Google Patents

Dispositif et procédé pour la fabrication de profilés vides destinés à l'emballage et articles ainsi obtenus Download PDF

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Publication number
EP0583627B1
EP0583627B1 EP93111496A EP93111496A EP0583627B1 EP 0583627 B1 EP0583627 B1 EP 0583627B1 EP 93111496 A EP93111496 A EP 93111496A EP 93111496 A EP93111496 A EP 93111496A EP 0583627 B1 EP0583627 B1 EP 0583627B1
Authority
EP
European Patent Office
Prior art keywords
profiles
profile
web
rectangular profile
rectangular
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP93111496A
Other languages
German (de)
English (en)
Other versions
EP0583627A1 (fr
Inventor
Peter Grader
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Flexipack-Werk Wunderlich & Co GmbH
Original Assignee
Flexipack-Werk Wunderlich & Co GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Flexipack-Werk Wunderlich & Co GmbH filed Critical Flexipack-Werk Wunderlich & Co GmbH
Publication of EP0583627A1 publication Critical patent/EP0583627A1/fr
Application granted granted Critical
Publication of EP0583627B1 publication Critical patent/EP0583627B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING 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
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D5/00—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles
    • B31D5/0039—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads
    • B31D5/006—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads including controlled deformation of flat material, e.g. pleating, corrugating or embossing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/02—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING 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
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D2205/00—Multiple-step processes for making three-dimensional articles
    • B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
    • B31D2205/0011—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads including particular additional operations
    • B31D2205/0017—Providing stock material in a particular form
    • B31D2205/0023—Providing stock material in a particular form as web from a roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING 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
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D2205/00—Multiple-step processes for making three-dimensional articles
    • B31D2205/0005—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads
    • B31D2205/0011—Multiple-step processes for making three-dimensional articles for making dunnage or cushion pads including particular additional operations
    • B31D2205/0047—Feeding, guiding or shaping the material

Definitions

  • the invention relates to a process for the production of filler or cushion bodies, preferably for packaging purposes, from flexible flat material such as paper, cardboard, corrugated cardboard, ribbed cardboard. Furthermore, products and devices for carrying out the method are described.
  • Corrugated cardboard is also used to make a variety of spacers, e.g. so-called scratch pads, edge protection profiles and corner protection parts. Cast fiber parts are also used.
  • a packaging cushion in the form of a rolled-up corrugated cardboard section has already become known from DE-U-90 06 005.
  • the disadvantage here is that each such packaging pillow must be made separately, ie a corrugated cardboard strip must be rolled up to the pillow.
  • the packaging cushions are limited in length to the width of the material web. Such a roll of corrugated cardboard can be cut into several pads. However, corresponding corrugated cardboard sections of limited width must always be rolled up to the roll. You are also bound to the roll shape, but a variety of precise and relatively rigid profiles are required as spacers and pads.
  • triangular supporting bodies are known in cross section, which can be inserted between cylindrical packaging goods. These are simple triangular profiles, whereby one is limited to the simple wall thickness of the corrugated cardboard. These support profiles are also each made from individual sections, which are first cut off from a material web or roll, whereupon the sections are formed into a triangle. Similar tubular stiffening bodies are already known from DE-U-69 44 385 and also from DE-U-19 94 355, whereby one is also limited to simple cross-sections of the profiles and to the respective width of the starting material web or roll .
  • a method for the continuous production of cardboard boxes from two material webs is already known from the patent specification US-A-1 997 718. Both material webs are provided with two bending grooves in the longitudinal direction, the two side wings of each web are bent at right angles and the two C-profiles formed in this way are brought together to form a rectangular profile.
  • the cardboard boxes must be closed or closable at both ends. At predetermined intervals, corresponding to the length of the cardboard boxes, flaps and wings must therefore be formed on the two blanks to form one end wall of the cardboard box.
  • the sheets must be slit in the longitudinal direction at the intervals mentioned and provided with transverse grooves so that the end walls can be formed from the flaps and wings formed in this way.
  • the invention has for its object to provide a method for the production of hollow profiles, preferably for packaging purposes, according to which, by means of simple, fewer, known process steps, rectangular profiles or hollow chamber profiles with any desired cross sections continuously from two infinite material webs or rolls can be produced.
  • the process should therefore work continuously, continuously and no longer in batches, and the process or appropriate device can be quickly adjusted to different products with any dimensions and cross-sectional designs.
  • the endlessly emerging hollow profile can be of the length ordered, e.g. fit into a cavity within a certain package, or in longer lengths, which are transported to the consumer and divided into smaller lengths there according to the respective purposes. Or the endless hollow profile is cut into very small, about centimeter-long pieces that can serve as loose filling material.
  • the ribs extend transversely to the longitudinal direction of the web, that is to say in the width of the web; accordingly, these ribs or shafts also extend transversely to the longitudinal direction of the packaging profile produced, as a result of which the packaging profile has a correspondingly high rigidity.
  • a further bending groove is embossed into the one material web, around which the outer wing of the web is bent inwards, so that it extends as a stiffening strip towards the opposite wall, preferably extends to the diagonally opposite corner and is fastened there. In this way the transverse rigidity is increased.
  • more than two webs can be joined continuously and parallel to one another. For example, two or more rectangular profiles can be produced simultaneously and in the same direction and connected to one another and / or to a common carrier web.
  • Fig. 1 shows the method according to claim 1 or a corresponding device schematically in side view.
  • Fig. 1a shows the method for producing a profile according to Fig. 4, i.e. 1 interconnected two devices.
  • FIG. 2 schematically shows a cross section through the device according to arrows II-II in FIG. 1.
  • Fig. 2a shows schematically a cross section through the device according to the arrows IIa-IIa in Fig. 1a.
  • Fig. 3 shows the cross section through an inventive box section along line III-III in Fig. 1, enlarged.
  • Fig. 3a shows a further development, namely the box profile according to Fig. 3 with a molded diagonal inner stiffener.
  • Fig. 4 shows the cross section through an inventive box profile according to line IV-IV in Fig. 1a.
  • FIGS. 5 to 9 also show in cross section further products produced according to the invention.
  • two unwinding mandrels 1, 2 are arranged at a distance one above the other and parallel to one another, each of which unwinds a material roll 3, 4.
  • the two material rolls 3, 4 - or the two material webs 5, 6 unwound from the material rolls are passed essentially horizontally and parallel to one another through the required processing stations.
  • the underside of the upper track 5 are assigned two creasing rollers 7, 7a at a lateral distance from one another.
  • They who The two creasing rollers lie opposite one another - at a distance corresponding to the thickness of the material web - a pressure roller 8, 8a.
  • the material web 5 is drawn between the two creasing rollers 7, 7a on its underside and the pressure rollers 8, 8a on its top, whereby two bending lines 9, 9a extending in the longitudinal direction of the web are scored. (See FIG. 2) In the conveying direction behind this creasing station, the two lateral legs 5a, 5b are bent vertically downward around the two bending lines 9, 9a. For this purpose, corresponding shaping tools are provided along the path 5, which are known per se and are therefore not shown in the drawing.
  • the lower material web 6 is also assigned two creasing rollers 10, 10a at a lateral distance from one another and two pressure rollers 11, 11a opposite them, the creasing rollers being assigned to the top of the lower web and the pressure rollers being assigned to the underside of the lower material web.
  • the lateral legs 6a, 6b of the lower material web are around the two bending lines 12 , 12a bent upwards vertically, likewise by means of known molding tools arranged along the path.
  • two side glue application rollers 13, 13a - each with a glue trough 14, 14a - are arranged or assigned to the upper side edges of the lower material web 6, so that these side edges are each provided with a glue layer 15, 15a.
  • the lower creasing rollers 10, 10a have a greater distance from one another than the two upper creasing rollers 7, 7a, corresponding to twice the material thickness of the upper material web.
  • the creasing rollers (and thus the bending grooves) are arranged symmetrically to the longitudinal center line of the material webs.
  • the side wings 5a, b; 6a, b are thus essentially of the same width, the lateral wings of the upper material web 5 being essentially as long as the lateral wings of the lower material web 6 (see FIG. 3)
  • the lateral glue edges 15, 15a come to rest against the lateral longitudinal edges of the downwardly curved lateral legs 5a, b of the upper material web 5.
  • the glue layers 15, 15a can of course also be wider than shown in this example. It is favorable that two opposite side walls of the rectangular profile are double-walled; these double side walls will thus extend in the direction of the greater load in the event of use.
  • the C-profile therefore has a high load capacity with low material consumption.
  • the further developed embodiment according to Fig. 3a additionally has a diagonal inner stiffening strip 20 which extends from one corner 9b to the diagonally opposite corner 9 and with an edge strip 20a bent over a further bending groove 9c by means of an adhesive seam 15b on the opposite inner wall 5a is glued.
  • the manufacture is essentially the same as the manufacture of the profile according to FIG. 3, that is to say by means of the device according to FIG. 2, only with the difference that on a correspondingly wide web of material there is still another longitudinal groove 9b and near the one edge a further embossing groove 9c are embossed, whereupon the lateral part of the material web is formed into the stiffening strip 20 and the connecting strip 20a by means of two additional shaping tools.
  • an inwardly extending stiffening strip could also be formed on the other side leg 5a, both stiffening strips meeting at the central region of the wall 5 and being attached to this.
  • a peculiarity or peculiarity of the method according to the invention is that not only can two rolls of material be processed continuously to form an end product, but in an analogous manner more than two material webs 5, 6 can be continuously joined to form an end product.
  • FIGS. 1a and 2a show, for example, also schematically, a device with which the three-chamber profile according to FIG. 4 can be produced continuously. 4, a wider rectangular profile 17 is stiffened by a narrower rectangular profile 16.
  • the manufacturing plant according to FIGS. 1a, 2a required for this essentially consists of two plants according to FIG. 1, which are assembled or nested together to form the plant according to FIG. 1a.
  • the inner profile or stiffening profile 16 is produced from the two inner material rolls 3, 4 or webs 5, 6 by means of a device according to FIG. 1, which are arranged in front of and between the rollers or material webs for the outer profile 17.
  • This device for the stiffening profile 16 is an outer upper material roll or web 18, an upper creasing station 19, together with (not shown) molds for bending the side legs of the outer upper material web 18 added.
  • a further lower unwinding roll (on a corresponding unwinding mandrel) is arranged, from which the lower outer material web 21 is pulled off, the side legs of which are glued by means of the gluing station 22 and, after the creasing in the creasing station 23, are also bent up laterally .
  • Two deflection rollers 24, 25 place the outer material webs 18, 21 on the narrow sides or the back of the inner material webs or the stiffening profile 16.
  • a glue strip 28, 29, previously attached by a middle glue roller 26, 27, comes to rest against the narrow sides of the stiffening profile 16.
  • inner stiffening profiles can also be provided within a larger profile.
  • a relatively wide outer profile 30 is stiffened by three mutually spaced inner stiffening profiles 31.
  • two inner stiffening profiles 31 are provided in an outer profile 30 in an analogous manner. If necessary, the stiffening profile or even the stiffening profiles could in turn be stiffened by even smaller profiles. It should be noted that these multi-braced rectangular profiles (multi-chamber profiles) according to FIGS. 5 and 6 are produced on a uniform system, continuously from a corresponding number of material rolls. This is possible because the individual unwinding rolls with the associated creasing and gluing stations can be arranged one behind the other in the longitudinal direction, the smaller, narrower rolls of material being arranged inside or between the wider rolls of material or webs for the outer profile parts.
  • two or more rectangular profiles according to the invention are connected - in an analogous manner - on the same system with a carrier web (or also with several carrier webs) to form a finished product.
  • FIG. 7 four rectangular profiles 32 arranged side by side with one another are connected to a lower and an upper carrier web 33, 34 to form a relatively large, voluminous, stiffened rectangular profile.
  • the upper and lower carrier webs are "simply” pulled off from material rolls arranged above or below the rollers for the rectangular profiles 32 and glued onto the simultaneously produced inner rectangular profiles.
  • edge protection profiles An important field of application of the invention is the production of edge protection profiles.
  • a carrier web 35 is provided with a longitudinal groove 36 and applied to two rectangular profiles 37, 37a.
  • One rectangular profile 37 is applied directly next to the bending groove 36, the other 37a at a distance corresponding to the height of the first 37.
  • This production has the further advantage that the edge protection profile initially lies flat. In this flat position it can be transported to the place of use. Only at the place of use are the two legs bent at right angles to the actual, angular edge protection profile. (Fig. 8)
  • two rectangular profiles 37a, 37a are applied to one leg of the carrier web, in addition to the bending groove 36.
  • a two-legged edge protection profile - that is to protect one edge at a time - can be produced, but also a three-part edge protection profile for two edges - or even for all four edges - of a square object, for example one Refrigerator.
  • a particular advantage of the invention is that the dimensions of the finished product are determined by the distance between the individual creasing rollers and molds. Depending on how many individual material webs are provided in the system - or are used or activated for the respective product - simple box profiles or stiffened box profiles or two- or multi-legged edge protection profiles result. By adjusting the individual creasing rollers and molds, the dimensions of the finished product can be changed quickly.
  • the inner reinforcement profiles 16, 31, 32, according to FIGS. 4-7 can each be provided with a diagonal internal reinforcement according to FIG. 3a.
  • the rectangular profiles 37, 37a in the edge protection profiles according to FIGS. 8 and 9 can also be provided with such a diagonal internal stiffening.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Making Paper Articles (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)

Claims (5)

  1. Procédé pour la fabrication de corps de remplissage ou de rembourrage en matériau plat flexible comme le papier, le carton, le carton ondulé, le carton gaufré, à utiliser de préférence à l'intérieur des récipients d'emballage, comprenant les phases de processus suivantes:
    Deux bandes de matériau (5, 6) reçoivent en continu dans leur sens longitudinal deux rainures de pliage (9, 9a; 12, 12a), et chacune des deux parois latérales de chaque bande (5a, 5b; 6a, 6b) est repliée vers le haut de part et d'autre de la partie médiane pour former chacune un profil en C, chacune des deux parois latérales d'un profil en C recouvrant la paroi correspondante de l'autre profil;
    les deux profils en C sont réunis pour former ensemble un profil rectangulaire,
    les parois latérales des deux profils en C, réunies côte à côte sur toute leur largeur, étant assemblées l'une avec l'autre, en particulier avec de la colle ou de l'adhésif;
    le profil rectangulaire est fabriqué en assez grandes longueurs qui peuvent être recoupées en plus petites longueurs, en fonction des différents besoins.
  2. Procédé selon la Revendication 1,
    caractérisé par le fait que
    la bande intérieure de matériau (5), en plus de l'une des rainures de pliage (9a), reçoit au moins une autre rainure de pliage (9b), suivant laquelle l'aile latérale se replie à plus de 90° servant de bande d'entretoise (20), et qu'elle est renforcée, de préférence dans l'angle opposé en diagonale (9) par son extrémité libre (20a) repliée suivant une autre rainure de pliage (9c).
  3. Procédé selon la Revendication 1 ou 2,
    caractérisé par le fait que
    deux ou plusieurs profils rectangulaires (16, 17; 30, 31; 32; 37, 37a) sont fabriqués en même temps et en synchronisation, et reliés les uns aux autres et/ou avec une bande support commune (33, 34; 35).
  4. Procédé selon la Revendication 3,
    caractérisé par le fait que
    en même temps et en synchronisation avec la fabrication d'un profil rectangulaire d'assez grande section (17), est fabriqué au moins un profil rectangulaire de section inférieure (16) inséré dans le profil rectangulaire de plus grande section (17).
  5. Procédé selon la Revendication 3 pour la fabrication d'une protection des chants,
    caractérisé par le fait que
    la bande support (35) reçoit, à l'aplomb immédiat d'un profil rectangulaire (37a) posé sur cette bande, une ligne rayée (36) et que le profil rectangulaire suivant (37) est posé sur la bande support (35) à une distance de la ligne rayée (36) correspondant à la hauteur du premier profil rectangulaire.
EP93111496A 1992-07-21 1993-07-17 Dispositif et procédé pour la fabrication de profilés vides destinés à l'emballage et articles ainsi obtenus Expired - Lifetime EP0583627B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4223978 1992-07-21
DE4223978A DE4223978A1 (de) 1992-07-21 1992-07-21 Verfahren zur Herstellung von Hohlprofilen für Verpackungszwecke, nach dem Verfahren hergestellte Erzeugnisse sowie Vorrichtungen zur Durchführung des Verfahrens

Publications (2)

Publication Number Publication Date
EP0583627A1 EP0583627A1 (fr) 1994-02-23
EP0583627B1 true EP0583627B1 (fr) 1995-09-13

Family

ID=6463723

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93111496A Expired - Lifetime EP0583627B1 (fr) 1992-07-21 1993-07-17 Dispositif et procédé pour la fabrication de profilés vides destinés à l'emballage et articles ainsi obtenus

Country Status (4)

Country Link
EP (1) EP0583627B1 (fr)
AT (1) ATE127731T1 (fr)
DE (2) DE4223978A1 (fr)
DK (1) DK0583627T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29919469U1 (de) * 1999-11-05 2000-01-20 Flexipack International Wunderlich GmbH & Co. KG, 85107 Baar-Ebenhausen Verpackungselement

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008010588A1 (de) * 2008-02-22 2009-08-27 Sprick Gmbh Bielefelder Papier- Und Wellpappenwerke & Co. Vorrichtung zur Herstellung eines Kantenschutzes
US9266640B2 (en) 2008-07-12 2016-02-23 Jarl Jensen Retail boxes and method of manufacturing retail boxes
US8037663B2 (en) 2008-07-12 2011-10-18 Jarl Jensen Retail boxes and method of manufacturing retail boxes
DE102022107094A1 (de) * 2022-03-25 2023-09-28 Becker Sonder-Maschinenbau Gmbh Verfahren zur Herstellung von Verpackungspolstern sowie zugehörige Fertigungsstraße

Family Cites Families (10)

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Publication number Priority date Publication date Assignee Title
DE336485C (de) * 1919-09-25 1921-05-03 Kurt Laube Verfahren zum Herstellen von Pappschachteln eckiger Form
US1932705A (en) * 1931-09-03 1933-10-31 Menten Pedro Container for packing articles
US1997718A (en) * 1934-08-03 1935-04-16 Claff Clarence Lloyd Folding box and method of making the same
FR1150912A (fr) * 1956-05-18 1958-01-22 Cartonnerie De Kaysersberg élément de calage pour emballages
US3043488A (en) * 1961-03-17 1962-07-10 Crown Zellerbach Corp Container and packing for fragile articles
DE1436899A1 (de) * 1964-07-31 1968-11-21 Metallwerk Karl Leibfried Gmbh Verfahren und Vorrichtung zur Bearbeitung von Verpackungspapier,insbesondere zur Verwendung in Verpackungsmaschinen
JPS5221434B2 (fr) * 1971-08-17 1977-06-10
US4317517A (en) * 1980-02-08 1982-03-02 Fiber Tech, Inc. Laminated paper load spacer and support
US4792325A (en) * 1986-09-29 1988-12-20 Schmidtke Joachim G Method and apparatus for manufacturing cardboard pallets
US4966084A (en) * 1988-03-22 1990-10-30 Canon Kabushiki Kaisha Pallet for supporting article

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29919469U1 (de) * 1999-11-05 2000-01-20 Flexipack International Wunderlich GmbH & Co. KG, 85107 Baar-Ebenhausen Verpackungselement

Also Published As

Publication number Publication date
ATE127731T1 (de) 1995-09-15
DK0583627T3 (da) 1995-12-27
DE59300586D1 (de) 1995-10-19
DE4223978A1 (de) 1994-01-27
EP0583627A1 (fr) 1994-02-23

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