WO2009108980A1 - Verfahren zum vorbereiten von leichtbauplatten für die anschliessende befestigung von beschlägen - Google Patents
Verfahren zum vorbereiten von leichtbauplatten für die anschliessende befestigung von beschlägen Download PDFInfo
- Publication number
- WO2009108980A1 WO2009108980A1 PCT/AT2009/000088 AT2009000088W WO2009108980A1 WO 2009108980 A1 WO2009108980 A1 WO 2009108980A1 AT 2009000088 W AT2009000088 W AT 2009000088W WO 2009108980 A1 WO2009108980 A1 WO 2009108980A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lightweight
- filler
- cavities
- core
- filling
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000002360 preparation method Methods 0.000 title abstract 2
- 239000000945 filler Substances 0.000 claims abstract description 60
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 239000006260 foam Substances 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 239000010410 layer Substances 0.000 description 34
- 238000005553 drilling Methods 0.000 description 5
- 239000012792 core layer Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000011093 chipboard Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007596 consolidation process Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000368 destabilizing effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 239000011796 hollow space material Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011090 solid board Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/10—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
- B32B3/12—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
- B23B39/16—Drilling machines with a plurality of working-spindles; Drilling automatons
- B23B39/161—Drilling machines with a plurality of working-spindles; Drilling automatons with parallel work spindles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
Definitions
- the invention relates to a method for preparing lightweight panels for the subsequent attachment of fittings, wherein the lightweight panels having an upper and lower cover layer and a core arranged therebetween with cavities.
- lightweight panels are increasingly used, which represent a favorable alternative to solid or chipboard.
- problems arise with these lightweight panels when mounting hardware or other devices e.g., lights, handles, keys, etc.
- the core of the lightweight panel has many cavities in which mounting hardware or other devices is difficult or impossible.
- the cover layer of the lightweight board itself often does not provide enough support for attachment of various devices.
- the cover layer often does not withstand higher stress and can easily tear out in the region of an attachment.
- DE 10 2004 013 147 B4 shows a method for integrating reinforcing regions into finished core composites with an open three-dimensional core structure, in particular a folded honeycomb structure, and cover layers applied on both sides.
- the reinforcing region is formed by the steps of introducing a bore, creating a cavity in the region of the core structure, introducing a limiting means through the bore into the cavity, wherein the limiting means after introduction at least partially relaxed and at least partially abuts webs of the core structure, and introducing a Filling compound in a space defined by the limiting means space to form the gain region.
- the disadvantage here is the complicated introduction of the gain region into the cavity of the plate, through which the cavity is expanded.
- DE 10 2006 018 051 A1 shows a similar method of introducing a bore into a core layer mounted between cover layers in a plate-shaped Material.
- an access hole is drilled in the cover layer to then perform an undercut in the core region of the plate.
- the cavity is expanded, in which then filling material is filled to produce a consolidation point.
- the disadvantage here is the complicated and complex execution of the expansion of the cavity by a cutting edge which partially cuts or destroys the core layer. By destroying the structure in the core layer, the stability of the entire plate is also severely impaired, since the webs which connect the two cover layers in this area are cut off or removed.
- JP 2007 040395 shows the drilling of a borehole in a lightweight board for filling an underlying cavity. As a result, it can not be guaranteed that the entire area of the lightweight building board required for attaching a fitting is reached. A borehole would have to be provided corresponding to each cavity, but it is not readily apparent through the cover layer where a respective or matching cavity is located. In addition, it is cumbersome to drill and fill each individual cavity separately.
- the object of the invention is now to specify a process for producing a fastening region in a lightweight board or to change regions of the lightweight board in such a way that it no longer has any cavities.
- a further advantage of the steps according to the invention is to prepare the lightweight board so to speak "minimally invasively" for attaching fittings, whereby no undercut or expansion of the cavity (as in DE 10 2006 018 051 A1) must take place, but instead through the plurality of filling holes In the case of DE 10 2006 018 051 A1, if no undercut would take place, only the hollow space directly under the one hole could be filled in. All other hollow spaces would be filled by this method Therefore, this German font provides an undercut, which severely impairs the stability of the lightweight board and is very complex.
- the invention further relates to a method for fastening fittings in lightweight panels, wherein the lightweight panel has an upper and lower cover layer and a core arranged therebetween with cavities.
- the cavities of the core of the lightweight panel are honeycomb. Also all other geometric regular or irregular figures can form the cavities or the base of the cavities of the core.
- the cavities of a core can also have different adjacently arranged base surfaces (eg hexagon, quadrangle).
- the core is formed by a kind of foam, wherein the foam also has numerous bubble-shaped cavities that can be filled by filling with preferably high-pressure filler. Also, a cavity need not reach from one cover layer to the opposite cover layer.
- the core of the lightweight board may also have a wave structure, creating elongated cavities.
- the plates themselves can be made of a lightweight material. Examples include wood, plastic, light metals or other composites.
- the cover layer and the core layer may be formed from mutually different materials or the same material.
- the filler is a wood-glue mixture, adhesive, curable foam or the like.
- the fittings that can be mounted in the lightweight panels are, for example, hinges, Stellarmantriebe or pull-out guides. As already mentioned above, but other devices can be mounted in the cured areas.
- a further embodiment provides that a plurality of filling holes, preferably of at least 10 filling holes, are provided in the cover layer, wherein preferably the plurality of filling holes are arranged in a regular pattern. According to the invention, however, only one can also be used for each underlying cavity
- Filling hole can be made in the topcoat, which is greatly affected by the size of the
- Cavity and the size of the desired mounting area depends. This cavity or these cavities are then filled with filler, wherein it can be particularly preferably provided that the entire area under a stop with
- JP 2007 040395 By filling a single cavity, as in JP 2007 040395, it can not be guaranteed that the entire region of the lightweight building board required for attaching a fitting is filled with hardened filler. In order to achieve this, according to JP 2007 040395, a further additional borehole would have to be provided in the respective adjacent cavities. However, the arrangement of the underlying cavities is not readily apparent through the cover layer. In addition, it is very cumbersome to drill and fill each individual cavity separately and in succession.
- the distance between the individual filling holes is smaller than the smallest diameter of a cavity or smaller than the smallest honeycomb diameter, since it is guaranteed that each cavity provided by the plurality of relatively closely spaced filling holes below that for the attachment of the fitting Range is reached (particularly good in Fig. 9 recognizable).
- the production of filling holes that reach all the necessary cavities, simultaneously and in one step is feasible.
- the curable filler (7) is filled into adjacent cavities (5), wherein the walls between the cavities (5) remain at least until the curing of the filler (7).
- the area of upper and lower cover layers facing the plurality of fill holes on the lower and upper cover layers, respectively, has no recesses. If this were not the case, the filler could in turn emerge on the other side of the lightweight board, whereby no optimal filling of the cavities would be achieved.
- the mounting holes remove only certain parts of a cover layer, the core and the cured filler.
- These mounting holes can be adapted exactly to the desired fittings or fasteners.
- the fittings may be partially buried in the bores (e.g., the hinge cup) and, secondly, the mounting bores may be in the form of dowel bores for securing articulated arms or the like to fasteners (e.g., screws).
- fasteners e.g., screws
- protection is sought for a device for producing recesses in a cover layer of a lightweight board, wherein the recesses are produced in the form of a plurality of filling holes by a multi-head.
- the filling holes can be made by a single drill, punch or, for example, a laser beam.
- the plurality of filling holes is arranged regularly in one or more areas of the cover layer of the lightweight building board. These areas are in turn those areas in which mounting holes for fittings are later provided.
- an apparatus for introducing filler into a lightweight panel having a curable filler feed line and a plurality of nozzles for introducing filler through fill holes into a cavity of the core of a lightweight board.
- the filler can be injected with pressure into the cavities.
- the filler runs through the nozzles and the filling holes in the cavities of the lightweight board or runs without pressure into it.
- the plurality of nozzles is designed in the form of a multi-nozzle head. Again, it should not be ruled out that only a single filling device, for example in the form of a nozzle, fills a cavity with filler through a filling hole.
- the device stops the filling of the cavities of the core with curable filler on reaching a certain capacity. This can be achieved by calculating how much fill must be allowed to reach the cavities before filling. However, this can also be achieved by the device having a sensor which stops the filling of the cavities of the core with curable filler on reaching a certain pressure. Another possibility is to stop the filling as soon as the filler swells out through the filling holes. Furthermore, protection is sought for a lightweight board which has been manufactured or modified by a method according to claim 1. Also, protection is sought for a lightweight board with mounting holes, which has been made by a method according to any one of claims 2 to 16.
- Protection is also sought for the use of a lightweight board according to claim 24 or claim 25 in the manufacture of furniture beyond.
- FIG. 2 is a view of a lightweight board with a plurality of filling holes
- Fig. 3 shows a detail of Fig. 2
- FIG. 4 shows the cross section B-B of the lightweight building board of Fig. 3,
- the lightweight board with a plurality of filling holes
- FIG. 6 shows a detail of FIG. 5,
- FIG. 7 shows the cross-section D-D from FIG. 6,
- FIG. 8 shows a view of the lightweight board with fastening bore
- FIG. 9 is a detail view of Fig. 8,
- FIG. 12 shows detail detail G of FIG. 11
- FIG. 13 shows a schematic illustration of a filling device
- Fig. 14 shows a detail of Fig. 13
- Fig. 15 is a schematic representation of a drilling device.
- Fig. 1 is a view of a lightweight board 1 is shown, wherein in the lower left portion drawing the cover layer 3 is removed to grant the view of the honeycomb core 4 of the lightweight panel 1.
- This core 4 connects the lower and upper cover layer 3 with each other, whereby between the boundaries or struts of the individual honeycomb and the outer layers 3 cavities 5 arise.
- Fig. 2 shows a lightweight board 1, wherein in the left lower area a plurality of filling holes 6 is drilled in the cover layer 3. Concretely, as shown in Fig. 3, 52 filling holes 6 are provided, which are drilled in the area of a later intended fitting. 4 shows for this purpose the section BB from FIG. 3, wherein it can be seen that the filling holes 6 are introduced only into the cover layer 3. Thus, through the filling holes 6 through a direct access to the cavities 5 in the core 4 of the lightweight board. 1
- FIG. 5 again shows a lightweight board 1 with a region H with a multiplicity of filling holes 6.
- FIG. 6 shows the detail H in detail and
- FIG. 7 shows the cross section
- Filler 7 was filled through the filling holes 6 in the cavities 5 of the core 4 of the lightweight board 1.
- the cavities 5 were filled up to the top with filler 7, whereby the filling holes 6 are filled with filler 7 in itself.
- the area filled with filler 7 is shown in Fig. 7 obliquely striped.
- FIG. 8 shows a view of the lightweight building board 1 with a fastening bore 8 in the region of the filling holes 6.
- FIG. 9 now shows a plan view of the region of the fastening bore 8, the honeycomb structure being recognizable.
- the mounting hole 8 consists of two different types of holes.
- the bore 8a serves to receive or at least partly countersink a fitting, whereas the bores 8b serve to fix the fitting 2 via fastening elements 9.
- FIG. 10 shows the section FF from FIG. 9.
- the mounting holes 8b and 8a in the area of the cured filler 7 can be seen.
- Fig. 11 shows a lightweight board 1, wherein a fitting 2 is attached in the region G of the lightweight board 1.
- Fig. 12 shows that the fitting 2 consists of a hinge lever 2b and a hinge cup 2a.
- the hinge cup 2a is in this case recessed in the bore 8a and mounted or screwed by the fastening elements 9 in the bore 8b. It is advantageously provided that care is taken when drilling the filling holes 6 that these filling holes 6 are covered by attaching the fitting 2 of this. In Fig. 12, however, two filling holes 6 are still recognizable, which should be prevented for visual reasons.
- a multiple boring head 21 may be provided, which has a plurality of drills 22. This multiple boring head 21 can be movably mounted on a plurality of telescopic arms 23. Depending on the number and pattern of the desired filling holes 6 in the
- the drill 22 may be arranged on Mehrfachbohrkopf 21.
- the design of the telescopic arms 23 is secondary to the invention. It is only important that the drills 22 can be moved to the desired areas of the lightweight board 1 in order to drill the filling holes 6 there.
- FIG. 13 shows a device 30 for introducing filler 7 into cavities 5 of a lightweight board 1.
- the device 30 has a multiplicity of nozzles 32, which are arranged on a multi-nozzle head 33. These nozzles 32 engage in the
- FIG. 14 shows a detail of FIG. 13 with the nozzles 32, which partially engage in the filling holes 6 of a cover layer 3.
- the nozzles 32 can drive even deeper into the cavities 5 in order to guarantee complete filling even in the lowest area of the cavities 5.
- the nozzles 32 together with the multi-nozzle head 33 can slowly move vertically upwards. Upon reaching the filling holes 6 with the tips of the nozzles 32, the filling process can be terminated automatically.
- Both devices 20 and 30 may be arranged in a machine which performs the entire processing of the lightweight panels 1 in succession. Thus, a machine may be provided which performs all the steps of the method according to claim 1 or claim 2 successively fully automated.
- the devices 20 and 30 in FIGS. 15 and 13 are only schematic and sketchy and serve mainly for ease of understanding.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Panels For Use In Building Construction (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112009000340T DE112009000340A5 (de) | 2008-03-07 | 2009-03-04 | Verfahren zum Vorbereiten von Leichtbauplatten für die anschließende Befestigung von Beschlägen |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT3792008A AT505767B1 (de) | 2008-03-07 | 2008-03-07 | Verfahren zum vorbereiten von leichtbauplatten fur die anschliessende befestigung von beschlagen |
ATA379/2008 | 2008-03-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009108980A1 true WO2009108980A1 (de) | 2009-09-11 |
Family
ID=40549952
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/AT2009/000088 WO2009108980A1 (de) | 2008-03-07 | 2009-03-04 | Verfahren zum vorbereiten von leichtbauplatten für die anschliessende befestigung von beschlägen |
Country Status (3)
Country | Link |
---|---|
AT (1) | AT505767B1 (de) |
DE (1) | DE112009000340A5 (de) |
WO (1) | WO2009108980A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017127097A1 (de) * | 2017-11-17 | 2019-05-23 | Homag Bohrsysteme Gmbh | Verfahren zum Herstellen eines Verstärkungsabschnitts in einem Werkstück |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102012011497B4 (de) * | 2012-06-04 | 2016-06-16 | Technische Universität Dresden | Verfahren und Vorrichtung zur Herstellung von Ausnehmungen in Sandwichplatten |
DE102018208599A1 (de) * | 2018-05-30 | 2019-12-05 | Homag Bohrsysteme Gmbh | Vorrichtung zum Bearbeiten eines Werkstücks |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4941785A (en) * | 1989-09-13 | 1990-07-17 | Witten Donald W | Potted insert for honeycomb panels |
EP0461299A1 (de) * | 1990-06-11 | 1991-12-18 | Atr International, Inc. | Einrichtung zum Festsetzen eines Befestigungseinsatzes in einer Wabentafel |
US5082405A (en) * | 1989-09-13 | 1992-01-21 | Witten Donald W | Potted insert for honeycomb panels |
DE102004013147A1 (de) * | 2004-03-17 | 2005-10-13 | Airbus Deutschland Gmbh | Verfahren zur Integration von Verstärkungsbereichen in fertige Kernverbunde mit einer offenen dreidimensionalen Kernstruktur |
DE102006018051A1 (de) * | 2005-04-08 | 2006-10-26 | Technische Universität Dresden | Verfahren zur Erzeugung eines Befestigungspunktes sowie Werkzeug zur Erzeugung eines Hohlraumes in plattenförmigen Materalien |
JP2007040395A (ja) * | 2005-08-03 | 2007-02-15 | Techno Syst:Kk | ハニカムパネルのスタッド固定方法及びその固定装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3042432C2 (de) * | 1980-11-11 | 1984-11-15 | Messerschmitt-Bölkow-Blohm GmbH, 8000 München | Befestigungsvorrichtung für eine Sandwichplatte zur Aufnahme von Befestigungsschrauben mit einem Spreizdübel und Gewindeeinsatz |
US4729705A (en) * | 1987-02-02 | 1988-03-08 | Atr International, Inc. | Insert fastener in a lightweight panel |
DE8915724U1 (de) * | 1989-12-14 | 1991-05-16 | Finkensiep, Gerd, 5810 Witten, De | |
US5240543A (en) * | 1990-06-11 | 1993-08-31 | Atr International, Inc. | Apparatus for and method of seating a fastener insert in a honeycomb panel |
JP4005217B2 (ja) * | 1998-06-02 | 2007-11-07 | 富士重工業株式会社 | インサート付ハニカムサンドイッチパネル及びその製造方法 |
GB2389882B (en) * | 2002-05-28 | 2005-03-16 | Emhart Inc | An improved blind fastener |
DE102005023065A1 (de) * | 2005-05-19 | 2006-11-30 | Klebchemie, M.G. Becker Gmbh & Co Kg | Leichtbauplatte |
-
2008
- 2008-03-07 AT AT3792008A patent/AT505767B1/de not_active IP Right Cessation
-
2009
- 2009-03-04 WO PCT/AT2009/000088 patent/WO2009108980A1/de active Application Filing
- 2009-03-04 DE DE112009000340T patent/DE112009000340A5/de not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4941785A (en) * | 1989-09-13 | 1990-07-17 | Witten Donald W | Potted insert for honeycomb panels |
US5082405A (en) * | 1989-09-13 | 1992-01-21 | Witten Donald W | Potted insert for honeycomb panels |
EP0461299A1 (de) * | 1990-06-11 | 1991-12-18 | Atr International, Inc. | Einrichtung zum Festsetzen eines Befestigungseinsatzes in einer Wabentafel |
DE102004013147A1 (de) * | 2004-03-17 | 2005-10-13 | Airbus Deutschland Gmbh | Verfahren zur Integration von Verstärkungsbereichen in fertige Kernverbunde mit einer offenen dreidimensionalen Kernstruktur |
DE102006018051A1 (de) * | 2005-04-08 | 2006-10-26 | Technische Universität Dresden | Verfahren zur Erzeugung eines Befestigungspunktes sowie Werkzeug zur Erzeugung eines Hohlraumes in plattenförmigen Materalien |
JP2007040395A (ja) * | 2005-08-03 | 2007-02-15 | Techno Syst:Kk | ハニカムパネルのスタッド固定方法及びその固定装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017127097A1 (de) * | 2017-11-17 | 2019-05-23 | Homag Bohrsysteme Gmbh | Verfahren zum Herstellen eines Verstärkungsabschnitts in einem Werkstück |
Also Published As
Publication number | Publication date |
---|---|
AT505767B1 (de) | 2009-04-15 |
DE112009000340A5 (de) | 2011-02-24 |
AT505767A4 (de) | 2009-04-15 |
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