EP2711168A1 - Elément d'emballage fabriqué à la machine, procédé et dispositif de fabrication à la machine de l'élément d'emballage - Google Patents

Elément d'emballage fabriqué à la machine, procédé et dispositif de fabrication à la machine de l'élément d'emballage Download PDF

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Publication number
EP2711168A1
EP2711168A1 EP13004664.2A EP13004664A EP2711168A1 EP 2711168 A1 EP2711168 A1 EP 2711168A1 EP 13004664 A EP13004664 A EP 13004664A EP 2711168 A1 EP2711168 A1 EP 2711168A1
Authority
EP
European Patent Office
Prior art keywords
paper web
packaging product
perforation
embossing
extending
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.)
Granted
Application number
EP13004664.2A
Other languages
German (de)
English (en)
Other versions
EP2711168B1 (fr
Inventor
Bastian Schalk
Christoph Engemann
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.)
Sprick Bielefelder Papier und Wellpappenwerke and Co GmbH
Original Assignee
Sprick Bielefelder Papier und Wellpappenwerke and 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 Sprick Bielefelder Papier und Wellpappenwerke and Co GmbH filed Critical Sprick Bielefelder Papier und Wellpappenwerke and Co GmbH
Priority to PL13004664T priority Critical patent/PL2711168T3/pl
Publication of EP2711168A1 publication Critical patent/EP2711168A1/fr
Application granted granted Critical
Publication of EP2711168B1 publication Critical patent/EP2711168B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B31D5/0043—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads including crumpling flat material
    • B31D5/0047—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads including crumpling flat material involving toothed wheels
    • 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
    • B31D5/0069—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles for making dunnage or cushion pads including forming or transforming three-dimensional material, e.g. corrugated webs or material of cellular structure
    • 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
    • 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
    • B31D2205/0052—Perforating; Forming lines of weakness
    • 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
    • B31D2205/0058—Cutting; Individualising the final products
    • 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
    • B31D2205/0064—Stabilizing the shape of the final product, e.g. by mechanical interlocking

Definitions

  • the invention relates to a machine-made three-dimensional packaging product and to an apparatus and a method for machining a three-dimensional packaging product.
  • the invention thus relates to a packaging product which is used flexibly and shock-absorbing acting to be filled for protection against transport items in transport crates or cartons.
  • a packaging product may also be referred to as a shock-absorbing filling material product.
  • a three-dimensional packaging product is formed by forming a two-dimensional web material in a predetermined manner to make the three-dimensional packaging product indefinitely repeatable.
  • Waste paper is increasingly being used for the paper material, above all for ecological reasons, but due to its inhomogeneity this can only be converted with difficulty, especially if the three-dimensional packaging product is always uniform and as simple and economical to produce.
  • An example of a filler product is in EP 0 414 849 B1 according to which it is formed from a paper web or a paper sheet in a predetermined and systematic manner.
  • a first forming step according to EP 0 414 849 the longitudinal edge strips of the paper web are rolled essentially inwardly in a loose manner.
  • a central connecting portion or central region which connects the two rolled longitudinal edge strips of the paper web section.
  • an embossment is introduced for stiffening the packaging product, which is formed by a series of valley and raised portions.
  • the laterally curled cushion section which defines a cavity to form a crumple zone, be much thicker than the embossed middle area.
  • perforations are introduced.
  • the known packaging material products can be produced quickly and inexpensively due to the possibility of exclusive use of paper and waste paper as starting material and have sufficient cushioning and damping properties.
  • the known packaging material products are not sufficiently dimensionally stable, in particular if they are prefabricated, for example, to a predetermined length before the final packaging insert and stored under certain circumstances. Due to elastic deformation restoring forces, the prefabricated packaging product tends to become unfolded, in particular in the region of the cavity regions which fulfill the cushion function.
  • a machine-made three-dimensional packaging product is provided according to the invention, which can be regarded as a mass-produced prefabricated packaging product.
  • the prefabrication is to provide a substantially uniform in a conveying and web direction packaging product from a two-dimensional paper web source whose length is variable depending on the use of the packaging material.
  • the packaging product consists of a portion of a single- or multi-ply paper web which has been shaped in a predetermined manner and which serves as a source of material, for example, to form a paper web roll is wound up.
  • a two-dimensional paper web section can be produced by unrolling the paper web roll from the outside of the paper web roll.
  • the packaging product should preferably consist entirely and exclusively of pulp, in particular waste paper.
  • the starting material should be withdrawn from one and the same paper source.
  • the paper web section relevant to the packaging product has two longitudinal edges extending in the web direction, two end webs delimiting the paper web section in the web direction and a center region extending in the web direction parallel to the longitudinal edges, which interconnects both the short end edges and the long longitudinal edges.
  • the paper web section passes from the paper web as a substantially two-dimensional continuous sheet to a forming station of the production apparatus, not cut off.
  • the packaging product according to the invention is reshaped in a first step in that at least one free end edge strip of the paper web section is folded over its entire length over at least part of the middle region.
  • the packaging product forms at least one extending in the web direction crumple or cushion cavity.
  • the crush cavity may extend transversely to the web direction from the boundary of the deformation zone toward the turn-around point of the preformed paper web section.
  • the packaging product can be embossed on the deformation zone, wherein the embossing can be realized by a succession of embossing depressions and embossing elevations.
  • This wave-like embossing / mountain arrangement serves to hold the longitudinal edges in a positionally stable manner on the underlying middle region of the paper web section, as a result of which the three-dimensional structure of the packaging product, in particular in the area of the cavity pad, is retained.
  • an independent unfolding or rolling up of the longitudinal edge strip from the central region is made more difficult, as a result of which the packaging product as such is more dimensionally stable and retains its buffering shape even with longer storage times.
  • Even with further deformation of the packaging product unfolding is achieved due to the attachment zone on the free Lnaturer selectedns of the longitudinal edge stiffener.
  • the fastening zone is provided without additional fastening means, such as adhesives, but is formed by plastically deforming the central region along the fastening zone, for example by unwinding intermeshing embossing wheels.
  • a packaging product of the generic type is designed such that at least one longitudinal edge strip of the paper web section is at least partially projecting or rolled over the central region in such a way that overlapping paper web section regions at least one in Train forming extending crush cavity or a cavity pad. At least a part of the middle region of the paper web section is plastically deformed, preferably embossed, along a deformation zone extending in the web direction, in particular in order to stiffen the packaging product in its longitudinal direction.
  • the packaging product outside the deformation zone in the region of the cavity pad at least one embossing point or at least one perforation. The perforation extends in alignment through at least two paper web section layers overlapping due to the wrapping or curling of the longitudinal edge strip.
  • the invention ensures that the pad shape of the packaging product is not gradually lost due to elastic restoring forces after it has been folded or rolled up. Rather, the at least one embossing point or perforation achieves that the layers of paper forming the crumple cavity become entangled in the region of the at least one embossing point and / or perforation, whereby a part of the elastic restoring forces are held, above all, from the upholstery cavity. It should be understood that in a preferred embodiment, a combination of embossments and perforations may be employed. A perforation provides a strong holding power, because opposite perforation edges of different paper web section layers can hook into each other.
  • the at least one embossing point and / or perforation is realized exclusively by deformation and / or punching, without using additional fastening means, such as an adhesive.
  • At least one row of perforations and / or embossments are arranged to prevent unfolding.
  • the row is positioned such that a plurality of perforations and / or embossments lie on a substantially straight line.
  • the line may extend substantially perpendicular to the web direction, so that in particular a plurality of perforations / embossments in the row at an equal distance from the opposite End margins lie.
  • the perforations / embossing points of the row can be at an equal distance from each other.
  • a plurality of embossing points and / or perforations are distributed over the entire width of the packaging product and can also lie within the attachment and / or deformation zone.
  • the fastening and / or deformation zone is free of the additional embossing points and / or perforations.
  • the at least one embossing point and / or perforation is arranged adjacent to a short end edge of the packaging product.
  • one embossing point and / or perforation can be arranged adjacent to both end edges.
  • a minimum distance of the at least one embossing point and / or perforation adjacent the respective end edge is less than 10% of the total longitudinal dimension of the packaging product and / or at least smaller than 10 cm or 5 cm.
  • the at least one embossing point and / or perforation is arranged in a ratio of the one end edge distance to the other end edge distance of greater than or equal to about 10, 3 and / or 1. At a "1" ratio, the at least one perforation and / or embossment point lies in the longitudinally viewed center of the packaging product.
  • all perforations lie exclusively outside the attachment or deformation zone. In this way it is achieved that the rigidity of the packaging product is not weakened due to the deformation zone due to additional perforations. Only in the area of the crumple cavity perforations are provided to provide an additional holding resistance against the elastic restoring forces of the deformed paper web section.
  • the at least one perforation is slit or punched, wherein in particular the slot edge extends substantially in the web direction.
  • a slot as a perforation is advantageous in that a Verhakungs bin is realized especially in directly opposite slot edges of the slot perforation.
  • both longitudinal marginal strips of the paper web section are at least partially projecting beyond the central region and with at least a part of the central region along the fastening zone firmly connected, that the packaging product forms two in particular parallel in the web direction extending crumple cavities.
  • the side crumple cavities or cavities are formed substantially symmetrical to a longitudinal direction extending in the web direction, which extends along the central region.
  • Both longitudinal strips overlap along the attachment zone in order to form, at least in regions, three layers of the paper web section which are folded over one another.
  • At least one perforation and / or embossing point is provided in both of the paper web section regions delimiting the crumple cavities in order to prevent unfolding of the packaging product, in particular at its opposite short edges.
  • the at least one longitudinal edge strip of the paper web section is turned over without forming a continuous, locally defined longitudinal fold in the paper web section. Rather, a straight line along the packaging product extending fold should be avoided. Can not be avoided arbitrary, for example, jagged extending folds when the paper web material is turned over. This is due to the inhomogeneity of the paper material, in particular waste paper material whose envelope behavior also depends on the ambient conditions, such as atmospheric humidity. Random deformation folds may be present both in the area of the crumple cavity and in the area of the fastening and deformation zone.
  • the fastening or deformation zone is realized by embossing at least two superposed paper web section layers, in particular without the use of an adhesive.
  • the attachment or deformation zone may extend continuously along the midregion between the opposing short end edges.
  • the embossment is formed by a repeating sequence of embossing mountains and valleys.
  • the invention relates to a method for machining a three-dimensional packaging product which is formed in a predetermined manner by forming a portion of a single- or multi-ply paper web, wherein the paper web portion at least partially overlaps and overlapping paper web portion regions along a web-extending attachment zone are connected to one another, so that at least along one side, preferably both sides, in the fastening zone, a crumple cavity extending in the web direction is formed.
  • Overlapping of the paper web section region can be realized, for example, by pulling off the paper web from an inner side of a paper web roll, as a result of which spiral-shaped, partially overlapping spiral-shaped spiral sections are formed.
  • the overlapping can be realized projecting over the middle region by folding over the longitudinal edge strips of the paper web section.
  • at least one embossing point and / or at least one perforation aligned by both overlapping sections of paper section are introduced, in particular punched, in the region of the crumple cavity outside the fastening zone.
  • At least one longitudinal edge strip of the paper web section is folded over a central region of the paper web section along its entire length and a free longitudinal edge of the longitudinal edge strip with the middle region along one Fixing zone, in particular deformation zone, is firmly connected, so that the packaging product forms at least one extending in the web direction crumple cavity.
  • the inventive method allow a production of the packaging product according to the invention. It should be understood that the methods of the invention may be configured to produce the packaging product as described above.
  • the at least one perforation and / or embossment formation takes place by means of a kinematics separate from the introduction of the fastening or deformation zone, in particular a different movement kinematics.
  • a pair of embossing wheels may be provided to form the fastening zone, which exclusively serve to realize the embossed deformation zone along the middle region of the paper web section.
  • the kinematics for forming the perforation is structurally separated therefrom and realized, for example, by a pure rotary movement of the perforation or embossing tool.
  • kinematics for forming the additional perforation and the kinematics for forming the deformation and / or attachment zone may be structurally separate, they may be coupled in terms of motion in such a way that their movements are coordinated with one another.
  • the introduction of the at least one perforation and / or embossing point is essentially realized when the packaging product is cut off the paper web.
  • the packaging product can be cut during a feed movement of the paper web in the longitudinal direction, without interrupting the feed movement.
  • a rotary blade can be used, wherein in the direction of rotation before and after the rotary cutting a perforation and / or embossing tool can be provided. Just at the moment of engagement of the rotary blade in the paper web material to be cut, the paper web is held, so that a counterforce for the cutting is provided.
  • the at least one perforation and / or embossing point are introduced at the leading end of the packaging product in the conveying direction of the paper web and optionally at least one second perforation and / or embossing on the trailing end of a subsequent packaging product in the conveying direction of the paper web.
  • a plurality of first and optionally a plurality of second perforations and / or embossing points are preferably introduced simultaneously in a row extending in particular perpendicular to the feed direction of the paper web, in particular distances of a plurality of embossing points and / or perforations arranged at a distance in the web direction being equal.
  • packaging product according to the invention can be manufactured and structured according to the method according to the invention.
  • the invention relates to a device for machining a three-dimensional packaging product from a section of a single-layer or multi-layered paper web which has been shaped in a predetermined manner.
  • the manufacturing apparatus comprises a deformation station which binds overlapping paper web portion regions along a web-extending attachment zone such that the packaging product forms at least one web-extending crush cavity.
  • a perforation and / or embossing station functionally separated from the fastening or deformation station is arranged, which introduces at least one perforation or embossing zone aligned in the region of the crumple cavity outside the fastening zone in alignment with both overlapping paper web section regions.
  • the perforation station can be designed as a punching station.
  • the device according to the invention comprises a transfer station which at least partially overlaps at least one longitudinal edge strip of the paper web section extending in the web direction over a central region of the paper web section extending in the web direction.
  • the transfer station can be formed by a flat funnel, in which the two-dimensional paper web is introduced, wherein during the promotion, the flat funnel inner wall causes the folding of the two lateral longitudinal edge strips towards the central region.
  • the manufacturing device has a subsequent to the transfer station in the conveying direction of the web deformation station, which is arranged relative to the folded longitudinal edge strip that the free longitudinal edge of the longitudinal edge strip is firmly connected to the central region along a deformation zone, so that the packaging product at least one forms in the web direction extending crush cavity.
  • the deformation station may for example be an embossing station, which may preferably be formed by a pair of opposing embossing wheels whose embossing teeth mesh with each other like a toothed wheel.
  • the deformation station can form the overall conveyor drive of the manufacturing apparatus to pull the paper web material from the web roll and feed it to the transfer station.
  • the perforation station is a stamping station.
  • the perforation can comprise one or more punches and one or more punched recordings.
  • the punch is associated with a respective stamping.
  • the punch and the respective punching receptacle is rotatably mounted such that the punch rotates gearwheel-like in the respective punching receptacle and leaving the punched recording auswindend to form the respective perforation in the region of the crumple cavity.
  • a plurality of pairs of a punch and an associated punching receptacle are mounted on two shafts.
  • One shaft is for carrying the punch, while the other shaft carries the punch.
  • the waves can be actuated by a common drive or each have their own drive.
  • the shaft drives are preferably matched to one another in such a way that the punch can turn on and turn off in the associated punch seat.
  • the axial distances are adjacent Pairs of the same size and / or several pairs arranged so coordinated that multiple perforations are performed simultaneously.
  • the perforation station has a rotary blade for separating the paper section from the paper web, which represents the last method step for producing the packaging material product according to the invention.
  • the rotary cutter is rotated at the same winding speed as the perforation and / or embossing station is rotated.
  • the rotary blade may be fixedly mounted on one of the above-mentioned shafts to be rotated at the same angular velocity as the respective components of the perforation station.
  • At least one punch or at least one punching receptacle is arranged to introduce at least one first perforation in the conveying direction of the paper web leading to the cutting end of the packaging product and optionally at least one second perforation at the trailing end of a trailing packaging product ,
  • the perforation and / or embossing station has the same axis of rotation as the rotary cutter. In particular, both axes coincide.
  • the production device may have a control and / or regulation, according to which the movements of the kinematics of the deformation station and the embossing points and / or perforation station and optionally of the rotary cutter are matched to one another.
  • the conveying speed of the deformation station in particular the peripheral speed of the embossing wheels of the deformation station, is slightly smaller than the peripheral speed of the perforation station, in particular of the punch or the punching receptacle of the perforation station.
  • the packaging product is tensioned before separation, as a result of which reliable cutting off is ensured.
  • the cut-off packaging product is transported away from the area of the section point faster than the subsequent packaging product reaches the section point.
  • the device according to the invention can be structured such that the method according to the invention for producing the packaging product according to the invention can be carried out.
  • the method according to the invention should also be defined in such a way that it can proceed in accordance with the mode of operation of the device according to the invention.
  • FIG. 1 an embodiment of the prefabricated packaging product according to the invention is generally provided with the reference numeral 1.
  • the packaging product 1 consists exclusively of paper, in particular waste paper, and is assembled to a predetermined pad shape.
  • the packaging product 1 has two opposite, more or less straight, along the web or longitudinal direction L extending long sides 3, 5 and two diametrically opposite short sides 7, 11 which are substantially perpendicular to the longitudinal direction L.
  • a longitudinal edge strip 13, 15 is turned over to a longitudinal region L extending in the central region 17, whereby in the vicinity of the long side 3, 5 random folds arise.
  • the longitudinal edge strip 13, 15 can either be rolled up or turned over so easily that the longitudinal edge lies freely on the central region 17.
  • the folded paper web section passes into an embossing station, in which a sequence of embossing valleys and embossing mountains is embossed in the course of the central region 17.
  • the packaging product 1 is stiffened, and on the other hand, possibly uncovered unenrollte longitudinal edges are embossed attaching to the central region.
  • lateral hollow space pillows 21, 23 which extend in the longitudinal direction L are formed.
  • the cavity pads 21, 23 provide the cushioning property of the packaging product 1.
  • a row 25 of slot perforations 27 is provided adjacent to the respective short edge 7, 11 substantially at a constant distance therefrom.
  • the slit perforation 27 forms slit edges which interlock with each other among the different paper web section layers.
  • FIG. 3 a slot perforation 27 is shown in detail. It can be seen that the slot perforation 27 has a projecting slot portion 31 which extends arcuately like a bridge over the folded longitudinal edge strip 15, whereby portions of the lowermost layer of the paper web section above the uppermost layer. In this way, a separation of the overlapping layers is difficult, whereby the packaging product according to the invention is dimensionally stable. In particular, at the vulnerable short sides 7, 11, unfolding and loosening is difficult because the opposite slot edges of different layers get caught, they should be moved past each other in the direction of perforation.
  • the perforation slots 27, which are arranged in the region of the cavity pad 21, 23, the unfolding of the packaging product 1 starting from the short sides 7, 11 in particular due to elastic restoring forces of the packaging product 1 avoided.
  • the packaging product 1 according to the invention has no perforations along the embossed middle region 17, the deformation zone. It should be noted that, instead of the perforation 27, embossing points can also be realized in order to prevent unfolding of the packaging product 1 starting from the short edges 7, 11.
  • the packaging product 1 Due to the multiple slot perforations 27, the packaging product 1 has on its short sides 7, 11 a flatter shape, which increases in the course of the hollow pad 21, 23 in the longitudinal direction L.
  • FIG. 2 The execution of the packaging product 1 according to the invention FIG. 2 is denoted by the same reference numbers for similar or identical components of the packaging product FIG. 1 and 4 Mistake.
  • the execution according to FIG. 2 and 5 is different from the after FIG. 1 and 4 in that a two-ply paper web is used as starting material for the production of the packaging product 1, which is also unwound from a paper web roll from the outside.
  • the longitudinal marginal strips 13, 15 are turned over, so that the free longitudinal edges (not illustrated in more detail) lie on the middle region or are rolled into it.
  • the central region 17 is embossed, so that a sequence of embossing valleys and embossing mountains forms a fastening zone 19 which extends in the longitudinal direction 11 between the short edges 7 and 11.
  • the design differs according to FIG. 1 and 4 opposite to the FIG. 2 and 5 in that a third row 31 slot perforations 27 are arranged substantially in the longitudinal direction center in order to prevent central unfolding of the packaging product 1.
  • protruding perforation bridges 31 are formed by means of the slot perforation, which are inserted through the perforation opening of the underlying layer, whereby the desired entanglement is achieved to mitigate a release of the layers from each other.
  • the respective rows 25, 33 extend slot perforations 27 over the entire transverse extent of the packaging product 1, thus also in the region of the fastening or deformation zone 19. It is clear that for the realization of the perforation amount preferably the entire, over the longitudinal extent L reaching fastening zone free of any slit perforations 27 so as not to weaken the stiffening of the packaging product achieved by embossing at the attachment zone 19.
  • slot perforations 27 would be provided exclusively in the region of the cavity pad 21, 23 and at least adjacent to the respective short edge 7 and 11.
  • the slot perforations 27 are positioned at a small distance of preferably less than 5 cm from the respective short edge 7, 11.
  • FIGS. 6 to 8 is the inventive device for machining the finished in the FIGS. 1 to 5 shown in part according to the invention shown packaging product.
  • the manufacturing device according to the invention is generally provided with the reference numeral 101, wherein a transfer station is not shown, at which the longitudinal edge strips 13, 15 of the unwound from the paper web roll paper web section over the extending longitudinally L central region 17 are folded so that the superimposed Double paper web layers. It is clear that the longitudinal edge strips 13, 15 are either rolled up or the free longitudinal edge rests on the central region 17.
  • tapered flat funnel which may be formed, for example, in the conveying direction (corresponding to the longitudinal direction L) tapered flat funnel includes a fastening and / or deformation station 103, whose main component by a pair of facing embossing wheels 105, 107 for example, formed from polyethylene.
  • the embossing wheels 105, 107 are mounted in such a way that their teeth mesh with one another like a gear, so that the paper web section reaching between them is deformed to form stamping embossments and embossing valleys.
  • the embossing wheels 105, 107 are mounted on a frame, not shown, wherein the bearing axes extend perpendicular to the conveying direction F, so that the embossing wheels 105, 107 run in the conveying direction F together like a gear.
  • the deformed paper web section passes into the deformation station 103 via a housing shaft 111 which defines a rectangular access opening 113.
  • the housing shaft 111 has emmegeradwand vitr a correspondingly sized passage 115 through which the respective embossing wheel 105, 107 can engage.
  • the dimension of the passage 115 is adapted to the dimension of the sweeping stamping wheel 105, 107 such that a gap of a few millimeters is formed. In this way, unwanted paper web jams are avoided at the deformation station 103.
  • the housing shaft 111 defines an inner channel 121, which has no projections, so that the rectangular opening cross section at 113 continues continuously up to a station exit 123, on which the housing shaft has outwardly bent end edges.
  • a perforation station 131 is then arranged, which is essentially formed by a rotating perforation punch arrangement 133 and a receiving arrangement 135.
  • the perforation punch assembly 133 and the receiving assembly 135 are attached to drive shafts 137, 141 extending parallel to bearing axes of the gears 105, 107.
  • the drive shafts 137, 141 are independently driven via a drive gear 143 and 145, respectively.
  • the drives are synchronized in such a way that the perforation stamp arrangement 133 comes into engagement with the receiving arrangement 135 with angular position accuracy.
  • Both the perforation punch arrangement 133 and the receiving arrangement 135 each have five working disks 151 and 153, which are offset in the transverse direction Q lying perpendicular to the conveying direction F, so that in each case a punch disk (151) lies between two receiving disks (153) and vice versa.
  • counterclockwise rotating punch disc (151) of the perforation punch assembly 133 comprises two circumferentially spaced, radially outwardly rounded perforation tabs 155, 157 having circumferentially extending cutting edges.
  • the receiving discs (153) of the receiving assembly 135 carry two transversely extending receiving plates 161 and 163, the transversely extending their Q outer radial edge 165 and 167 with recesses 179 (FIG. FIG. 6 ), in which the perforation noses 155 and 157 engage to perforate the paper web section (not shown).
  • a rotary cutter 173 Integrated in the perforation station 131 is a rotary cutter 173, it being understood that the rotary cutter 173 can also be realized separately without the respective components of the perforation station 131.
  • the rotary cutter 173 serves to cut off the paper web section from the paper web and to form its trailing short edge 7, 11.
  • the rotary cutter 173 comprises a cutting blade fixed to the drive shaft 137, which has a cutting edge 175 projecting between the perforation lugs 155, 157 with a straight cutting edge.
  • the cutting edge 175 protrudes in the radial direction approximately as far as the perforation noses 155, 157.
  • the rotary cutter 173 has a soft cutting pad 177 which completely fills the space between the receiving plates 161, 163.
  • the radial outside of the cutting pad 177 terminates substantially at the radially outer side of the radial outer edges 165, 167 of the perforation receiving plates 161, 163.
  • the perforation station 131 and the rotary cutter 173 have the following function:
  • the perforation punch assembly 133 rotates clockwise while the receiving assembly 135 is rotated counterclockwise.
  • the work discs 151, 153 which have recesses for weight reduction, radially inwardly to form a through-channel 181 designed to be rectilinear.
  • the passageway 181 is shown with its largest clearance.
  • FIG. 9a radially inner side lying rectilinear disk edge 183, 185 is opposite to a curved disk edge 187, 191, wherein upon further rotation of the respective arrangement (starting from FIG. 9a ) the clear width of the passage channel 181 steadily decreases.
  • FIG. 9b is the hitherto smallest clear width of the through-channel 181 recognizable when the curved edge portions 187, 191 are the first time during the rotational movement.
  • the narrowing of the through-channel 181 causes engagement of the discs 153, 156 with the paper web section, wherein upon further rotation to the position according to FIG. 9c be informed of the paper web section in the conveying direction F driving forces.
  • the peripheral speed of the discs 153, 156 at the disc edge 187, 191 is selected such that the driving speed is slightly greater than or equal to the conveying speed of the determined by the gears 105, 107 conveying speed of the paper web section.
  • the cutting edge 175 engages the cutting pad 177 and completely closes the passage channel 181 for a short time, whereby the paper web section just passed the rotary cutter 173 is separated from the paper web becomes.
  • the radius of the discs 153, 156 decreases continuously from the perforation projections or the perforation holders, so that during the rotary movement of the working discs 151 the distance between a guide funnel 193 adjoining the perforation station and the rotary cutter 173 in the conveying direction F decreases.
  • the guide funnel 193, which tapers in the conveying direction F, serves to guide the cut-off paper web section, which now forms the finished manufactured packaging product, safely to the exit 195 of the production apparatus 101.
  • the production device 101 may have a control and / or regulating device, not shown, which synchronizes the rotational movements of the deformation station 103 and the perforation station.
  • a speed sensor can be provided both at the deformation station and at the perforation station.
  • the conveying speed should be constant throughout the conveying, deformation and separation process.
  • the peripheral speed of the perforation punch assembly 133 and receiving assembly 135 may vary but be slightly greater than the conveying speed during the cutting operation.

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  • Making Paper Articles (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
EP13004664.2A 2012-09-25 2013-09-25 Elément d'emballage fabriqué à la machine, procédé et dispositif de fabrication à la machine de l'élément d'emballage Active EP2711168B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL13004664T PL2711168T3 (pl) 2012-09-25 2013-09-25 Wyrób opakowaniowy wytwarzany maszynowo, sposób oraz urządzenie do maszynowego wytwarzania wyrobu opakowaniowego

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102012018941.9A DE102012018941A1 (de) 2012-09-25 2012-09-25 Maschinell gefertigtes Verpackungserzeugnis, Verfahren und Vorrichtung zum maschinellen Fertigen des Verpackungserzeugnisses

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EP2711168A1 true EP2711168A1 (fr) 2014-03-26
EP2711168B1 EP2711168B1 (fr) 2016-11-02

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EP (1) EP2711168B1 (fr)
DE (1) DE102012018941A1 (fr)
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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3218178A1 (fr) * 2014-11-14 2017-09-20 Sprick GmbH Bielefelder Papier- und Wellpappenwerke & Co. Installation de fabrication automatisée d'un article de matériau rembourrage
WO2018166918A2 (fr) 2017-03-13 2018-09-20 Sprick Gmbh Bielefelder Papier- Und Wellpappenwerke & Co. Système de production de rembourrage et procédé de fonctionnement d'un système de production de rembourrage
WO2019012053A1 (fr) 2017-07-14 2019-01-17 Sprick Gmbh Bielefelder Papier- Und Wellpappenwerke & Co. Dispositif pour la génération manuelle ou automatique d'un matériau d'emballage de forme tubulaire et station d'emballage
DE102018107156A1 (de) 2018-03-26 2019-09-26 Sprick Gmbh Bielefelder Papier- Und Wellpappenwerke & Co. Wickelvorrichtung und Polsterwickelsystem
US11370190B2 (en) 2017-05-08 2022-06-28 Sprick Gmbh Bielefelder Papier-Und Wellpappenwerke & Co. Apparatus for the production of a three-dimensional packaging material like a cushion product from a single- or multi-layer paper strip
US11518135B2 (en) 2017-05-08 2022-12-06 Sprick Gmbh Bielefelder Papier- Und Wellpappenwerke & Co. Apparatus and method for the production of a cushion product from a single- or multi-layer continuous paper strip
US11607859B2 (en) 2017-05-08 2023-03-21 Sprick Gmbh Bielefelder Papier- Und Wellpappenwerke & Co. Apparatus for the provision of packaging material
US11904570B2 (en) 2017-05-08 2024-02-20 Sprick Gmbh Bielefelder Papier-Und Wellpappenwerke & Co. Apparatus for the production of a cushion product

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Publication number Priority date Publication date Assignee Title
DE102013015875A1 (de) 2013-09-23 2015-03-26 Sprick Gmbh Bielefelder Papier- Und Wellpappenwerke & Co. Perforationswerkzeug für eine Vorrichtung zum maschinellen Fertigen eines Füllmaterialerzeugnisses und Vorrichtung zum maschinellen Fertigen eines Füllmaterialerzeugnisses
DE102016114342A1 (de) 2016-08-03 2018-02-08 Storopack Hans Reichenecker Gmbh Verfahren und Vorrichtung zum Herstellen eines Polsterungserzeugnisses sowie Polsterungserzeugnis
DE102018007549A1 (de) 2018-09-24 2020-03-26 Sprick Gmbh Bielefelder Papier- Und Wellpappenwerke & Co. Antriebsmechanismus für einen Verpackungsmaterial-Strangwickler, Verpackungsmaterial- Strangwickler, gewickeltes Verpackungsmaterial-Polster und Verfahren zum Herstellen desselben
DE102021125078A1 (de) 2021-09-28 2023-03-30 Sprick Gmbh Bielefelder Papier- Und Wellpappenwerke & Co. Verpackungspolsterstreifen
DE102021125089A1 (de) 2021-09-28 2023-03-30 Sprick Gmbh Bielefelder Papier- Und Wellpappenwerke & Co. Stempelzahnrad, Siegelzahnrad, Prägezahnradpaar und Vorrichtung zum Umformen eines Bahnmaterials in ein Polstererzeugnis

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EP0414849B1 (fr) 1989-03-15 1997-04-09 Ranpak Corp. Coussin a garnissage d'amortissement dote de perforations de piqures
US6207249B1 (en) * 1995-06-07 2001-03-27 Ranpak Corporation Cushioning product and method with stitching
US20030087741A1 (en) * 2001-03-29 2003-05-08 Zsolt Toth Method, apparatus and system for making cushioning product, and roll tensioner therefor
DE102005053319A1 (de) 2005-11-07 2007-05-10 Sprick Gmbh Bielefelder Papier- Und Wellpappenwerke & Co. Vorrichtung und Verfahren zur Herstellung von Füllmaterial

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US5203761A (en) * 1991-06-17 1993-04-20 Sealed Air Corporation Apparatus for fabricating dunnage material from continuous web material
DE19624164A1 (de) * 1996-06-18 1998-01-08 Franz Hellmut Verfahren und Vorrichtung zum Herstellen einer Polsterpackung und damit hergestellte Polsterpackung
US6673001B2 (en) * 2001-03-29 2004-01-06 Zsolt Toth Compact apparatus and system for creating and dispensing cushioning dunnage

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EP0414849B1 (fr) 1989-03-15 1997-04-09 Ranpak Corp. Coussin a garnissage d'amortissement dote de perforations de piqures
US6207249B1 (en) * 1995-06-07 2001-03-27 Ranpak Corporation Cushioning product and method with stitching
US20030087741A1 (en) * 2001-03-29 2003-05-08 Zsolt Toth Method, apparatus and system for making cushioning product, and roll tensioner therefor
DE102005053319A1 (de) 2005-11-07 2007-05-10 Sprick Gmbh Bielefelder Papier- Und Wellpappenwerke & Co. Vorrichtung und Verfahren zur Herstellung von Füllmaterial

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3218178A1 (fr) * 2014-11-14 2017-09-20 Sprick GmbH Bielefelder Papier- und Wellpappenwerke & Co. Installation de fabrication automatisée d'un article de matériau rembourrage
EP3218178B1 (fr) * 2014-11-14 2022-05-04 Sprick GmbH Bielefelder Papier- und Wellpappenwerke & Co. Installation de fabrication automatisée d'un article de matériau rembourrage
WO2018166918A2 (fr) 2017-03-13 2018-09-20 Sprick Gmbh Bielefelder Papier- Und Wellpappenwerke & Co. Système de production de rembourrage et procédé de fonctionnement d'un système de production de rembourrage
US11548256B2 (en) 2017-03-13 2023-01-10 Sprick Gmbh Bielefelder Papier- Und Wellpappenwerke & Co. Cushion supply system and method of operation for a cushion supply system
US11370190B2 (en) 2017-05-08 2022-06-28 Sprick Gmbh Bielefelder Papier-Und Wellpappenwerke & Co. Apparatus for the production of a three-dimensional packaging material like a cushion product from a single- or multi-layer paper strip
US11518135B2 (en) 2017-05-08 2022-12-06 Sprick Gmbh Bielefelder Papier- Und Wellpappenwerke & Co. Apparatus and method for the production of a cushion product from a single- or multi-layer continuous paper strip
US11607859B2 (en) 2017-05-08 2023-03-21 Sprick Gmbh Bielefelder Papier- Und Wellpappenwerke & Co. Apparatus for the provision of packaging material
US11904570B2 (en) 2017-05-08 2024-02-20 Sprick Gmbh Bielefelder Papier-Und Wellpappenwerke & Co. Apparatus for the production of a cushion product
WO2019012053A1 (fr) 2017-07-14 2019-01-17 Sprick Gmbh Bielefelder Papier- Und Wellpappenwerke & Co. Dispositif pour la génération manuelle ou automatique d'un matériau d'emballage de forme tubulaire et station d'emballage
DE102017115918A1 (de) 2017-07-14 2019-01-17 Sprick Gmbh Bielefelder Papier- Und Wellpappenwerke & Co. Vorrichtung zum manuellen oder maschinellen Erzeugen eines schlauchartigen Verpackungsmaterials und Packstation
EP4289612A2 (fr) 2017-07-14 2023-12-13 Sprick GmbH Bielefelder Papier- und Wellpappenwerke & Co. Dispositif de production manuelle ou mécanique d'un matériau d'emballage tubulaire et station d'emballage
DE102018107156A1 (de) 2018-03-26 2019-09-26 Sprick Gmbh Bielefelder Papier- Und Wellpappenwerke & Co. Wickelvorrichtung und Polsterwickelsystem

Also Published As

Publication number Publication date
DE102012018941A1 (de) 2014-03-27
EP2711168B1 (fr) 2016-11-02
ES2612938T3 (es) 2017-05-19
PL2711168T3 (pl) 2017-07-31

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