EP1165310A1 - Faltwabe aus wellpappe, verfahren und vorrichtung zu deren herstellung - Google Patents
Faltwabe aus wellpappe, verfahren und vorrichtung zu deren herstellungInfo
- Publication number
- EP1165310A1 EP1165310A1 EP00920578A EP00920578A EP1165310A1 EP 1165310 A1 EP1165310 A1 EP 1165310A1 EP 00920578 A EP00920578 A EP 00920578A EP 00920578 A EP00920578 A EP 00920578A EP 1165310 A1 EP1165310 A1 EP 1165310A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- corrugated core
- corrugated
- strips
- core
- strip
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 37
- 239000011087 paperboard Substances 0.000 title 1
- 239000011162 core material Substances 0.000 claims description 138
- 239000000463 material Substances 0.000 claims description 49
- 238000005520 cutting process Methods 0.000 claims description 18
- 230000001427 coherent effect Effects 0.000 claims description 14
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 238000010924 continuous production Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 37
- 241000264877 Hippospongia communis Species 0.000 description 70
- 239000011111 cardboard Substances 0.000 description 40
- 239000010410 layer Substances 0.000 description 34
- 239000012792 core layer Substances 0.000 description 16
- 210000004027 cell Anatomy 0.000 description 12
- 210000002421 cell wall Anatomy 0.000 description 7
- 238000004806 packaging method and process Methods 0.000 description 6
- 239000000123 paper Substances 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- 239000003292 glue Substances 0.000 description 3
- 238000007639 printing Methods 0.000 description 3
- 229920002472 Starch Polymers 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 239000002313 adhesive film Substances 0.000 description 2
- 230000002860 competitive effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000002655 kraft paper Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
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- 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
- B31D3/00—Making articles of cellular structure, e.g. insulating board
- B31D3/005—Making cellular structures from corrugated webs or sheets
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
- Y10T156/1005—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina by inward collapsing of portion of hollow body
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
- Y10T156/1007—Running or continuous length work
- Y10T156/1015—Folding
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
- Y10T156/1007—Running or continuous length work
- Y10T156/1016—Transverse corrugating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
- Y10T156/1007—Running or continuous length work
- Y10T156/1016—Transverse corrugating
- Y10T156/102—Transverse corrugating with deformation or cutting of corrugated lamina
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
- Y10T156/1025—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina to form undulated to corrugated sheet and securing to base with parts of shaped areas out of contact
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
- Y10T156/1026—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina with slitting or removal of material at reshaping area prior to reshaping
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
- Y10T156/1051—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina by folding
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
- Y10T156/10—Methods of surface bonding and/or assembly therefor
- Y10T156/1052—Methods of surface bonding and/or assembly therefor with cutting, punching, tearing or severing
- Y10T156/1082—Partial cutting bonded sandwich [e.g., grooving or incising]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/23—Sheet including cover or casing
- Y10T428/234—Sheet including cover or casing including elements cooperating to form cells
- Y10T428/236—Honeycomb type cells extend perpendicularly to nonthickness layer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24149—Honeycomb-like
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
- Y10T428/24562—Interlaminar spaces
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
- Y10T428/2457—Parallel ribs and/or grooves
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24744—Longitudinal or transverse tubular cavity or cell
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24752—Laterally noncoextensive components
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24752—Laterally noncoextensive components
- Y10T428/2476—Fabric, cloth or textile component
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/04—Processes
- Y10T83/0581—Cutting part way through from opposite sides of work
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T83/00—Cutting
- Y10T83/04—Processes
- Y10T83/0586—Effecting diverse or sequential cuts in same cutting step
Definitions
- the invention relates to honeycomb core layers as used in sandwich materials for packaging and structural applications, and to methods and devices for producing these honeycomb core layers
- honeycomb cores have been the preferred core material for buckled and bending-resistant sandwich shells and plates for many decades.
- These, mostly hexagonal or overexpanded honeycomb cores consist primarily of aluminum or phenolic resin-soaked aramid fiber paper and are usually produced in the expansion process.
- a sandwich structure with two, usually glued-on cover layers offers extremely high stiffness and strength-to-weight ratios.
- the interest of other large industries in light sandwich core materials with good weight-specific material properties is growing steadily, so that now more than half of the honeycomb materials are used in other areas
- a sandwich with honeycomb core has high specific compressive strengths in the material level, due to the optimal, almost direction-independent support of the cover layers.
- the sandwich with corrugated core e.g. corrugated cardboard
- edge crush resistance and bending stiffness can be achieved, particularly in the machine direction. This enables significant weight and material savings Also perpendicular to the material plane, due to the vertical mutually supporting cell walls, the printing parameters are considerably better.
- a sandwich with a honeycomb core has a better surface quality, which is particularly useful for printing on
- corrugated cardboard is processed into honeycomb cores.
- corrugated cardboard is used in the cell walls of honeycomb cores (US Pat. No. 4,948,445 Hess). Individual sheets of corrugated cardboard are fed in with corrugations running in the direction of production and short cross sections through the entire corrugated cardboard thickness Therefore, after unfolding in the direction of production and expansion, honeycomb cores with relatively large cell widths and relatively thick are formed O 00/58080
- Packaging applications in particular in comparison to corrugated cardboard, are to be preferred using very light paper (40 g / m 2 to 80 g / m 2 ).
- very light paper 40 g / m 2 to 80 g / m 2 .
- a cover layer (a so-called liner) must be glued on directly rapid demand of the Matenalbahn does not take up the necessary tension
- a corrugated or trapezoidal material web with at least one, but preferably with two cover layers is preferably fed in.
- This can be corrugated cardboard, but also a plastic,
- the cover layers are cell widths of 4 7 mm (A-Flute), or in the case of very low basis weights 3 6 mm (C-Flute) sufficient, since the flat Corrugated core top layer strips offer an additional layer and reduce the risk of the top layers bulging into the cells (dimphng).
- honeycomb cores with smaller or larger cell widths can also be produced from corrugated core webs with lower or greater heights of the wave (e.g. K-flood), according to one embodiment
- the multilayered web is first provided with a plurality of continuous folding lines on the underside and the top side.
- the folding lines can be introduced, for example, by pressing or long cutting the web.
- the word combination "formed in one piece” does not only include wavy strips that are connected to one another by a cover layer but are also separate wavy strips which are connected to one another by adhesive film.
- the ratio between the width and the height of the contiguous corrugated core strips is preferably in the range from 0 5 to 2 0
- the flat corrugated core layer strips which stand vertically in the honeycomb, can absorb the tensile stresses in the direction of production and enable the Matenalbahn to be transported quickly. They later increase the thrust and pressure characteristics of the honeycomb, so that all of the corrugated cardboard material is used in the honeycomb core folded out of it
- honeycomb panel material To produce a honeycomb panel material, new cover layers can be glued continuously to the honeycomb core layer immediately after the honeycomb production.
- the high compressive strength of the honeycomb is very useful.
- a good connection of the cover layers to the honeycomb can be achieved by slightly fraying the edges when making the longitudinal cuts.
- the small side surfaces of the folded corrugated core cover layer strips are also available for connecting the cover layers.
- FIG. 10 shows a perspective view of the almost completely folded folded honeycomb made of corrugated cardboard
- FIG. 11 shows a top view of the process for producing the folded honeycomb made of corrugated cardboard
- FIG. ig 13 the guidance of the material web from the web plane in the side view
- ig 14 the still flat corrugated core web in the front view
- ig 15 the deformation from the web plane with the corrugated core web folded at 5 °
- ig 16 the deformation from the web plane at 45 ° folded corrugated core web
- ig 17 the deformation from the plane of the web at brazen frequent rotation of every third corrugated core strip
- ig 18 the device for inserting the long incisions for producing the folded honeycomb in the front view
- ig 19 the device for variable insertion of the long incisions in the
- Fig. 21 shows the device for variable turning and folding the connected corrugated core strips in section
- torsional tensions result from the twisting of the connected corrugated core strips. These tensions are relatively small due to the low torsional rigidity of the thin, narrow strips.
- the length of this process step can therefore be relatively short ( ⁇ 0 5 m) if there is no change in the web width the ratio between the thickness of the corrugated core and the thickness of the honeycomb core layer the ratio of the widths of the two material webs
- 13 shows the guidance of the material web from the web plane in a side view.
- the coherent corrugated core strips can be easily bent during the 90 ° twist. Bending the twisted corrugated core strips, however, requires a longer length of the torsion area. Therefore it makes sense to slightly undulate the web across the width in order to limit the deformations from the web level.
- 14 to 16 show the individual steps in the event of a possible deformation of the contiguous corrugated core strips out of the web plane in order to avoid the web width change. Furthermore, the change in width can be greatly reduced if the corrugated core strips are rotated one after the other. It is particularly advantageous to first twist every third corrugated core strip. All corrugated core strips can be rotated in three steps without a noticeable change in width. 17 shows the three-stage rotation of every third corrugated core strip and the resulting slight deformations from the web plane in individual front views.
- Corrugated core strips can also be rotated one after the other in a different order to limit the change in width. Nevertheless, a reduction in the web width in the manufacture of
- Fig. 18 shows a device for introducing the longitudinal incisions.
- This device can consist of simple longitudinal cutting knives 20 which rotate on an upper 21 and a lower axis 22 or on a plurality of separate axes.
- the distance between the upper and lower cutting blades to each other and to each other should be as even as possible in order to achieve a high cutting accuracy and thus a very constant honeycomb core thickness.
- the material web (for example by rolling) should be guided as precisely as possible so that an exact depth of the incisions is achieved.
- Production direction is already carried out during the production of corrugated cardboard.
- cutting with stationary knives is also conceivable.
- the coherent corrugated core strips form a relatively stable path, so the corrugated core path can be conveyed behind the slitting knives with rollers or belts after the incisions have been made.
- the device 20 shows a device for rotating and folding the connected corrugated core strips.
- the device can consist of simple fixed guides 23, rotating rollers or Conveyor belts exist. The geometry of these guides determines how the coherent corrugated core strips are twisted and folded against each other during transport. Either sequential turning, in which there is a very small step-like undulation across the width, or simultaneous turning with a larger undulation across the width is possible.
- 21 shows a variable device for simultaneously rotating and folding the connected corrugated core strips with a corrugation across the width.
- Fig. 17 shows how the guides of the individual strips of material must lead in three stages when rotating every third corrugated core strip. In this variant, it is advantageous that it is sufficient to guide the two non-rotating corrugated core strips up or down in each case in order to rotate the corrugated core strip lying between them by 90 °.
- This folded honeycomb made of corrugated cardboard, the described method and the devices enable the production of a honeycomb material which is clearly superior to the corrugated cardboard in all material parameters.
- the honeycomb core layer thickness should preferably be over 4 mm, since the material savings are particularly great compared to corrugated cardboard with two corrugated cores lying one above the other. But even at lower heights, the honeycomb offers significantly better material properties.
- the material can be made from the same, albeit lighter papers (kraft liner or test liner) and the usual starch or PVA-based glue on systems that are essentially the same as the well-developed corrugated cardboard systems.
- the two additional process steps (making the longitudinal incisions and folding the connected corrugated cardboard strips) can be carried out using the simple devices described and do not reduce the production speed.
- a system for single-corrugated cardboard can produce folded honeycombs with different thicknesses very flexibly.
- the production costs are expected to be lower than for the production of two-day corrugated cardboard.
- the production speed this on a " WO 00/58080 PCT / EPOO / 02646
- the top layers can be glued in the same production line, directly after core layer production, and the cutting, punching and printing machines customary in the corrugated cardboard processing industry can be used for further processing.
- the honeycomb cardboard has significantly better compressive strengths in the material plane (edge crush resistance, ECT), 0 particularly in the production direction (machine direction).
- ECT edge crush resistance
- FCT flat crush resistant
- the folded honeycomb can be expanded / developed into sandwich components in a variety of ways without the lamination of cover layers.
- the honeycomb cells can also be filled with a foam or similar material for better acoustic and thermal insulation.
- Honeycomb cell walls can be impregnated or coated by an immersion bath or by spraying.
- the good material properties and the low production costs lead to the expectation that this material will be used in addition to packaging applications in other areas, such as in 5 interior trim components for vehicles, in furniture, floor coverings and wall coverings, etc.
Landscapes
- Laminated Bodies (AREA)
- Making Paper Articles (AREA)
- Cartons (AREA)
- Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
- Catalysts (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19913830A DE19913830A1 (de) | 1999-03-26 | 1999-03-26 | Faltwabe aus Wellpappe, Verfahren und Vorrichtung zu deren Herstellung |
DE19913830 | 1999-03-26 | ||
PCT/EP2000/002646 WO2000058080A1 (de) | 1999-03-26 | 2000-03-25 | Faltwabe aus wellpappe, verfahren und vorrichtung zu deren herstellung |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1165310A1 true EP1165310A1 (de) | 2002-01-02 |
EP1165310B1 EP1165310B1 (de) | 2003-01-15 |
EP1165310B2 EP1165310B2 (de) | 2007-02-14 |
Family
ID=7902566
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00920578A Expired - Lifetime EP1165310B2 (de) | 1999-03-26 | 2000-03-25 | Faltwabe aus wellpappe, verfahren und vorrichtung zu deren herstellung |
Country Status (10)
Country | Link |
---|---|
US (1) | US6800351B1 (de) |
EP (1) | EP1165310B2 (de) |
JP (1) | JP4740459B2 (de) |
CN (1) | CN1238182C (de) |
AT (1) | ATE231067T1 (de) |
AU (1) | AU762081B2 (de) |
CA (1) | CA2366504C (de) |
DE (2) | DE19913830A1 (de) |
ES (1) | ES2190410T5 (de) |
WO (1) | WO2000058080A1 (de) |
Cited By (1)
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WO2015082977A1 (en) | 2013-12-03 | 2015-06-11 | Alfred Iseli | Load-bearing honeycomb structures made from folded multilayer corrugated cardboard |
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US20100048078A1 (en) * | 2008-08-21 | 2010-02-25 | E. I. Du Pont De Nemours And Company | Folded Core Having a High Compression Modulus and Articles Made from the Same |
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US8303744B2 (en) * | 2011-02-10 | 2012-11-06 | Bradford Company | Method of making multilayer product having honeycomb core |
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JP2015058536A (ja) * | 2013-09-17 | 2015-03-30 | 株式会社森傳 | ハニカム構造体の製造方法 |
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US9976258B2 (en) | 2014-10-03 | 2018-05-22 | E I Du Pont De Nemours And Company | Honeycomb core having a high compression strength |
DE102014117078B4 (de) * | 2014-11-21 | 2022-02-03 | Technische Universität Dresden | Faltkern für eine Sandwichstruktur, Verfahren zur Herstellung eines Faltkerns und Sandwichstruktur |
DE102015010092A1 (de) | 2015-08-03 | 2017-02-09 | Sinecell Corrugated Technologies GmbH | Verfahren und Vorrichtung zur Herstellung von Wabenplatten |
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USD810452S1 (en) | 2015-08-20 | 2018-02-20 | Furnitury Ltd. | Stool |
JP2018043381A (ja) * | 2016-09-13 | 2018-03-22 | 株式会社アサヒテクニカ | 積層ダンボールの製造方法、積層ダンボールの製造装置、積層ダンボールおよびダンボール |
CN106739146B (zh) * | 2016-12-12 | 2019-02-19 | 芜湖市天申新材料科技有限公司 | 一种齿形纸进给用活动分流架 |
CN106827674A (zh) * | 2016-12-12 | 2017-06-13 | 芜湖市天申新材料科技有限公司 | 一种包装用齿形纸分流架 |
CN107364188B (zh) * | 2017-07-27 | 2023-04-28 | 寻乌县天源包装有限公司 | 一种高强度竖瓦楞纸板的连续生产系统 |
AU2019221638A1 (en) * | 2018-02-16 | 2020-09-03 | Econcore N.V. | Hierachical honeycomb core with sandwich cell walls |
WO2019206390A2 (en) | 2018-04-23 | 2019-10-31 | Kamal El Din Mohamed El Sayed Ahmed | A flexible foldable furniture by using honeycomb technology |
KR20210033978A (ko) * | 2018-07-24 | 2021-03-29 | 로우 앤드 보나 게르마니 게엠베하 운트 코 카게 | 접힌 코어 구조 및 접힌 코어 구조의 제공 방법 |
DE102020120558A1 (de) | 2020-08-04 | 2022-02-10 | Technische Universität Dresden | Verfahren zur Herstellung eines Wellstegwabenkerns, Wellstegwabenkern, Verwendung und Bauteil |
JP7371600B2 (ja) * | 2020-10-05 | 2023-10-31 | トヨタ自動車株式会社 | ハニカムコアの製造方法 |
CN117900347B (zh) * | 2024-03-15 | 2024-05-24 | 常州弘建新材料有限公司 | 一种蜂窝铝板边角压型设备 |
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-
1999
- 1999-03-26 DE DE19913830A patent/DE19913830A1/de not_active Withdrawn
-
2000
- 2000-03-25 JP JP2000607814A patent/JP4740459B2/ja not_active Expired - Fee Related
- 2000-03-25 CA CA002366504A patent/CA2366504C/en not_active Expired - Fee Related
- 2000-03-25 US US09/937,635 patent/US6800351B1/en not_active Expired - Fee Related
- 2000-03-25 ES ES00920578T patent/ES2190410T5/es not_active Expired - Lifetime
- 2000-03-25 CN CNB008055602A patent/CN1238182C/zh not_active Expired - Fee Related
- 2000-03-25 DE DE50001100T patent/DE50001100D1/de not_active Expired - Lifetime
- 2000-03-25 AT AT00920578T patent/ATE231067T1/de active
- 2000-03-25 EP EP00920578A patent/EP1165310B2/de not_active Expired - Lifetime
- 2000-03-25 WO PCT/EP2000/002646 patent/WO2000058080A1/de active IP Right Grant
- 2000-03-25 AU AU41104/00A patent/AU762081B2/en not_active Ceased
Non-Patent Citations (1)
Title |
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See references of WO0058080A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015082977A1 (en) | 2013-12-03 | 2015-06-11 | Alfred Iseli | Load-bearing honeycomb structures made from folded multilayer corrugated cardboard |
Also Published As
Publication number | Publication date |
---|---|
EP1165310B2 (de) | 2007-02-14 |
CA2366504A1 (en) | 2000-10-05 |
ATE231067T1 (de) | 2003-02-15 |
WO2000058080A1 (de) | 2000-10-05 |
US6800351B1 (en) | 2004-10-05 |
ES2190410T3 (es) | 2003-08-01 |
CN1345269A (zh) | 2002-04-17 |
CN1238182C (zh) | 2006-01-25 |
JP2002539991A (ja) | 2002-11-26 |
CA2366504C (en) | 2008-07-22 |
JP4740459B2 (ja) | 2011-08-03 |
AU4110400A (en) | 2000-10-16 |
DE50001100D1 (de) | 2003-02-20 |
EP1165310B1 (de) | 2003-01-15 |
ES2190410T5 (es) | 2007-10-01 |
AU762081B2 (en) | 2003-06-19 |
DE19913830A1 (de) | 2000-09-28 |
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