EP2185774B1 - Tragstruktur für leichtbauelemente - Google Patents

Tragstruktur für leichtbauelemente Download PDF

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Publication number
EP2185774B1
EP2185774B1 EP08801199A EP08801199A EP2185774B1 EP 2185774 B1 EP2185774 B1 EP 2185774B1 EP 08801199 A EP08801199 A EP 08801199A EP 08801199 A EP08801199 A EP 08801199A EP 2185774 B1 EP2185774 B1 EP 2185774B1
Authority
EP
European Patent Office
Prior art keywords
strips
slits
extending
support structure
longitudinal
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.)
Not-in-force
Application number
EP08801199A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2185774A2 (de
Inventor
Jens-Hagen Wüstefeld
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to PL08801199T priority Critical patent/PL2185774T3/pl
Publication of EP2185774A2 publication Critical patent/EP2185774A2/de
Application granted granted Critical
Publication of EP2185774B1 publication Critical patent/EP2185774B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/42—Gratings; Grid-like panels
    • E04C2/421—Gratings; Grid-like panels made of bar-like elements, e.g. bars discontinuous in one direction
    • E04C2/422—Gratings; Grid-like panels made of bar-like elements, e.g. bars discontinuous in one direction with continuous bars connecting at crossing points of the grid pattern
    • E04C2/423—Gratings; Grid-like panels made of bar-like elements, e.g. bars discontinuous in one direction with continuous bars connecting at crossing points of the grid pattern with notches
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/34—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts
    • E04C2/36—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts spaced apart by transversely-placed strip material, e.g. honeycomb panels
    • 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
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • 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.]
    • Y10T428/24174—Structurally defined web or sheet [e.g., overall dimension, etc.] including sheet or component perpendicular to plane of web or sheet
    • 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.]
    • Y10T428/24273—Structurally defined web or sheet [e.g., overall dimension, etc.] including aperture
    • Y10T428/24298—Noncircular aperture [e.g., slit, diamond, rectangular, etc.]
    • Y10T428/24314—Slit or elongated

Definitions

  • the present invention relates to a support structure for lightweight elements, which consists of elongated strips of a solid material and to methods for producing such a support structure.
  • Lightweight components such as those used in aviation, in vehicle construction or in the construction of racing yachts, usually consist of two very thin and even hardly load-bearing cover plates, which describe the respective outer surface of the lightweight element and an interposed support structure.
  • This support structure must be as light as possible and at the same time as strong as possible, and in addition support the even not sustainable cover plates in as many places.
  • Such a support structure must therefore usually be produced as a spatial, ie three-dimensional element. This is extremely complicated with the previously known constructions, so such lightweight components are extremely expensive.
  • Another support structure is from the GB 929 494 A known.
  • the strips are provided with incisions which run alternately in the longitudinal direction of the strip obliquely forward and obliquely to the rear.
  • these take V-profiles - and no stripes - and form a locking tongue for it.
  • Another support structure is from the DE 25 26 114 A1 known.
  • the local support structure consists entirely of V-profiles, which are connected via such incisions. The person skilled in the art therefore does not perceive from this document any reason to use such incisions for a support structure with elongated strips.
  • a similar support structure is used in the DE 199 22 295 C1 disclosed. However, this is formed in one piece, ie here no cuts in the context of the present invention are provided.
  • this object is achieved in that the cuts run alternately in the longitudinal direction of the strip obliquely forward and obliquely to the rear.
  • a three-dimensional spatial structure made of simple sheet metal strips, which only need to be provided with corresponding slots by a punching process.
  • the oblique course of the contactors ensures that the individual metal strips are at an optimal angle to one another in order to be able to absorb the maximum load for a certain weight of material.
  • the depth of the cuts is selected such that the longitudinal sides of the mutually perpendicular strips touch a surface. This is then the surface of the Lightweight element, which is modeled by the contour of the cover plates. With appropriate design of the metal strip can also be a curved surface, and even tubes or profiles are produced.
  • the incisions For optimum distribution of forces, it is particularly preferred to arrange the incisions such that they form approximately an equilateral triangle in their extension together with the longitudinal side on which they begin. In this way, the resulting from such metal strips support structure then consists of optimal pyramids or truncated pyramids, the side surfaces are equilateral triangles.
  • weight may be preferably mounted in the center of the equilateral triangle a circular punched.
  • a further optimization of the force distribution can preferably be achieved in that different incisions, which form triangles that are the same as other incisions and the longitudinal side, are spaced from each other in such a way that Together with the long side from which they originate, they also form approximately another equilateral triangle.
  • a particularly advantageous method for producing such a support structure according to the invention is based on the fact that the longitudinally extending strips are first all arranged in parallel so that their incisions are at the same height and the transversely extending strips are then inserted into the incisions of the strips running in the longitudinal direction.
  • FIG. 1 shows a metal strip from which a support structure according to the invention for a lightweight construction element can be produced.
  • This sheet metal strip 10 has at its upper longitudinal side 12 in the representation incisions 14 whose width is slightly greater than the thickness of the material of the sheet metal strip 10 and extending alternately in the longitudinal direction of the strip 10 obliquely forward and obliquely backwards. They each form with the longitudinal side 12 an angle ⁇ of 60 ° forward or backward. If you extend the cuts 14 in Thoughts to the opposite longitudinal side 16 of the strip 10, they form a series of equilateral triangles with a truncated tip, which is formed in each case by one of the longitudinal sides 12 and 16 respectively. In the center of each of these imaginary equilateral triangles a circular punched 20 is arranged. This serves to save weight.
  • FIG. 2 shows how many such individual strips 10 a cuboid support structure is formed.
  • the individual strips 10 are inserted with their incisions 14 in each case corresponding recesses 14 in a further strip 10 arranged perpendicular thereto.
  • FIG. 3 shows then the end result of these assembly work, the cross-nested strips 10 form due to the respective angular position of the incisions 14 a structure of each with a slight distance adjacent truncated pyramids whose side surfaces are connected in each case via the continuous strip 10 with the side surfaces of the respective adjacent truncated pyramids.
  • This structure has optimum strength.
  • FIG. 4 shows a metal strip 110 according to another embodiment of the present invention.
  • This sheet-metal strip 110 likewise has a straight longitudinal side 12 into which in turn the incisions 14 slanted obliquely in the longitudinal direction and in the longitudinal direction at an angle ⁇ of 60 ° are introduced.
  • the opposite longitudinal side 116 is in the present case, however, not straight, but arched or curved configured so as to form a supporting structure for a curved lightweight component, such as a wing for an aircraft.
  • the further strips 10, which are to be mounted vertically on the strip 110 are already indicated here in the cuts 14 and beyond them. In the present case, these are to be trained as well as in FIG.
  • FIG. 5 shows the support structure 100 made of the curved strips 110 and of normal straight strips 10 of different widths for a corresponding lightweight component with a curved surface.
  • FIG. 6 shows a further embodiment of the invention in a support structure for a tubular lightweight construction element, which can serve as a fuselage or as the fuselage of a racing yacht, for example.
  • a tubular lightweight construction element which can serve as a fuselage or as the fuselage of a racing yacht, for example.
  • the running as a rib strip 210 is formed bent.
  • this strip also has the inventive in and against the longitudinal direction of the strip 210 extending incisions 14, which in turn each form an angle ⁇ of 60 ° with the outside of the strip 210.
  • corresponding punched 20 can be provided to reduce weight.
  • the individual curved strips 210 are then again covered with normal inventive strips 10 as in FIG FIG. 1 shown connected.
  • the strip 10; 110; 210 can therefore very complex shaped lightweight support structures from a few very easy to manufacture basic elements, the strip 10; 110; 210 produce.
  • the strips 10; 110; 210 may be made of any solid material, but preferably made of steel, light metal or plastic.
  • the connection of the individual strips 10; 110; 210 with each other and with the cover plates can be done by any known joining techniques such as gluing, soldering, welding, riveting, folding and clinching (clinching).
  • the finished lightweight element can be constructed not only of two cover plates and a support structure therebetween, but also of a plurality of such layers.
  • the strips 10; 110; 210 can be made in the simplest way by a single punching process from continuous bands of the respective material. According to the invention, these strips 10; 110; 210 are then inserted only crosswise into each other, so that a composed of truncated pyramids spatial structure arises, which has an optimal strength as a support structure with low possible weight.
  • the preferred width of the cuts 14 results from the material thickness and the insertion angle of the strip 10; 110; 210. Depending on the material used and the ratio of the areas and angles, it may be necessary to broaden the incisions or to incorporate radii, which may then be bridged with filling material or fillings.
  • the strips 10; 110; 210 may be punched and / or profiled to further reduce weight (see the punches 20 in the embodiments).
  • FIG. 7 shows a particularly preferred method for producing a support structure according to the invention.
  • the longitudinally extending strips 10 are all first arranged in parallel so that their incisions are at the same height and the transversely extending strips 10 'are then inserted into the incisions of the longitudinally extending strips 10.
  • the longitudinal strips 10 are first placed in a package.
  • the transverse strips 10 'are then inserted, and then the individual longitudinal strips 10 are slid along the inserted transversal strips 10' to the respective cuts 14 'in the transverse strips 10'.
  • FIG. 8 shows a slightly modified manufacturing method for the support structure according to the invention, in which the longitudinally extending strips 10 are immediately brought to distances that the distances of the cuts 14 'in correspond to the transverse strip 10 '. Then again the transverse strips 10 'are inserted into the cuts 14 of the longitudinally extending strips 10. If the strips extending in the transverse and longitudinal directions are then pushed into one another, the supporting structure according to the invention inevitably forms on account of the geometric shape of the respective strips 10, 10 '. This is independent of whether an initial configuration according to FIG. 7 or FIG. 8 has been chosen.
  • the supporting structure according to the invention can also be assembled with many other manufacturing methods from the strips 10 described.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Toys (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Tents Or Canopies (AREA)
  • Bridges Or Land Bridges (AREA)
  • Laminated Bodies (AREA)
  • Sliding-Contact Bearings (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Manipulator (AREA)
EP08801199A 2007-08-18 2008-08-18 Tragstruktur für leichtbauelemente Not-in-force EP2185774B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL08801199T PL2185774T3 (pl) 2007-08-18 2008-08-18 Struktura nośna dla lekkich elementów budowlanych

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202007011599U DE202007011599U1 (de) 2007-08-18 2007-08-18 Tragstruktur für Leichtbauelemente
PCT/DE2008/001376 WO2009024141A2 (de) 2007-08-18 2008-08-18 Tragstruktur für leichtbauelemente

Publications (2)

Publication Number Publication Date
EP2185774A2 EP2185774A2 (de) 2010-05-19
EP2185774B1 true EP2185774B1 (de) 2011-01-19

Family

ID=38690664

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08801199A Not-in-force EP2185774B1 (de) 2007-08-18 2008-08-18 Tragstruktur für leichtbauelemente

Country Status (15)

Country Link
US (1) US8404329B2 (pl)
EP (1) EP2185774B1 (pl)
JP (1) JP5123388B2 (pl)
CN (1) CN101827984B (pl)
AT (1) ATE496182T1 (pl)
BR (1) BRPI0815485A2 (pl)
CA (1) CA2694350A1 (pl)
DE (3) DE202007011599U1 (pl)
DK (1) DK2185774T3 (pl)
EA (1) EA016550B1 (pl)
ES (1) ES2358968T3 (pl)
MX (1) MX2010001859A (pl)
PL (1) PL2185774T3 (pl)
PT (1) PT2185774E (pl)
WO (1) WO2009024141A2 (pl)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2939818A1 (fr) * 2008-12-12 2010-06-18 Patricia Julien Dispositif de protection des facades contre les graffiti
JP6951059B2 (ja) * 2016-08-01 2021-10-20 花王株式会社 スクリーン版用洗浄剤組成物

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1611316A (en) * 1925-07-25 1926-12-21 Grating Company Connected-bar structure
US1740219A (en) * 1926-05-26 1929-12-17 Tri Lok Company Grating structure
GB929494A (en) * 1959-09-25 1963-06-26 Allan Kennedy & Co Ltd Improved grating or floor panel
GB1512643A (en) * 1974-06-21 1978-06-01 Passmore M Rigid structure
DE7608866U1 (de) 1976-03-23 1976-07-15 Riegelein Hans & Sohn Stapelbare Verpackung
US4890433A (en) * 1987-12-15 1990-01-02 Motokatsu Funaki Tile mounting plate and tiled wall structure
US5157892A (en) * 1990-07-27 1992-10-27 Ryther Ronald R Structural interlocking joint system
JPH04110823U (ja) * 1991-01-29 1992-09-25 三和シヤツター工業株式会社 金属製芯材
JPH0550169A (ja) * 1991-07-17 1993-03-02 Sumitomo Light Metal Ind Ltd ハニカムコア
AU674700B2 (en) * 1992-11-18 1997-01-09 Chow Pak Lim Paper pallet
JPH0728631U (ja) * 1993-11-10 1995-05-30 三菱アルミニウム株式会社 ろう付ハニカムパネル
CN2311556Y (zh) * 1997-06-02 1999-03-24 李文男 改良的天花板轻钢支承架
JP4412754B2 (ja) * 1999-01-29 2010-02-10 富士重工業株式会社 構造物の一体成形方法
DE19922295C1 (de) * 1999-05-14 2000-07-27 Eurocopter Deutschland Unterbodenstruktur einer Rumpfzelle eines Luftfahrzeuges
US6148834A (en) * 1999-07-01 2000-11-21 Grooms, Sr.; Tally R. Modular tent platform system
JP2001262771A (ja) * 2000-03-23 2001-09-26 Daiken Trade & Ind Co Ltd パネル用芯材及びそれを用いたパネル

Also Published As

Publication number Publication date
EA201000326A1 (ru) 2010-08-30
CA2694350A1 (en) 2009-02-26
DK2185774T3 (da) 2011-04-18
WO2009024141A2 (de) 2009-02-26
WO2009024141A3 (de) 2010-02-18
DE202007011599U1 (de) 2007-11-15
PT2185774E (pt) 2011-04-05
MX2010001859A (es) 2010-12-06
US8404329B2 (en) 2013-03-26
EA016550B1 (ru) 2012-05-30
US20100196657A1 (en) 2010-08-05
CN101827984A (zh) 2010-09-08
CN101827984B (zh) 2012-03-21
PL2185774T3 (pl) 2011-06-30
JP2010536636A (ja) 2010-12-02
DE502008002424D1 (de) 2011-03-03
BRPI0815485A2 (pt) 2015-02-18
JP5123388B2 (ja) 2013-01-23
ES2358968T3 (es) 2011-05-17
ATE496182T1 (de) 2011-02-15
DE112008002836A5 (de) 2010-07-22
EP2185774A2 (de) 2010-05-19

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