EP1156894B1 - Streckgitter und werkzeug zur herstellung von streckgitter - Google Patents
Streckgitter und werkzeug zur herstellung von streckgitter Download PDFInfo
- Publication number
- EP1156894B1 EP1156894B1 EP99964461A EP99964461A EP1156894B1 EP 1156894 B1 EP1156894 B1 EP 1156894B1 EP 99964461 A EP99964461 A EP 99964461A EP 99964461 A EP99964461 A EP 99964461A EP 1156894 B1 EP1156894 B1 EP 1156894B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mesh
- expanded metal
- nodes
- expanded
- set forth
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
- B21D31/04—Expanding other than provided for in groups B21D1/00 - B21D28/00, e.g. for making expanded metal
- B21D31/043—Making use of slitting discs or punch cutters
-
- 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
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12188—All metal or with adjacent metals having marginal feature for indexing or weakened portion for severing
-
- 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
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12361—All metal or with adjacent metals having aperture or cut
Definitions
- the invention relates to a metal mesh according to the preamble of claim 1 and a tool for Production of expanded metal, according to the preamble of claim 8.
- Expanded mesh with meshes is known, which in the delivery state e.g. are diamond-shaped or square-shaped. Based on these Geometry is inevitably longitudinal expansion and transverse contraction coupled. A relative results from this known property low formability of expanded metal on spatially strong curved surfaces. This restriction is due to denominations or folding or cutting and material duplication rather overcome with difficulty.
- a plastically modelable, metallic expanded metal as Reinforcement insert for an arch, web or strip Covering material with high adaptability to complex three-dimensional Shapes, usable e.g. as a weather strip for one Ridge or ridge cover is known from DE 36 42 063.
- This Cover material consists essentially of an elastomer layer and the expanded metal grid serving as a reinforcing element.
- the expanded metal grid has an extensibility in the longitudinal direction from 50 to 150% or an extensibility in the transverse direction ⁇ 20% that are mutually exclusive and a provision ⁇ 5%.
- a very easily sculptable, metallic expanded metal is also known from EP 0 797 486 (closest prior art).
- Expanded metal grids are staggered from row of stitches to row of stitches two grid nodes each through an incision perpendicular severed to the actual stretch cut.
- Such one Expanded metal grille is characterized by excellent formability out.
- a disadvantage of the known expanded metal is that it cannot be produced in an economical manner. Also lets the handling compared to normal expanded metal left something to be desired.
- the invention has for its object to an expanded metal create that produce in an economical manner and can be stretched in two directions at the same time, or at least exhibits no transverse contraction when stretched longitudinally. task the invention is also the creation of a tool for economical production of expanded metal.
- the expanded metal mesh according to the invention is characterized in that that it is cut, for example, that certain webs only very thinly connected with each other, some of the Lattice nodes are thus designed as predetermined breaking points.
- the manufacturing process is therefore the same as for normal expanded metal and the expanded metal thus produced can also be used in the same way Manage and process comfortably like normal Expanded metal mesh.
- the expanded metal mesh according to the invention a uniformly smooth surface and it does not exist the risk of mutual interlocking, such as in an expanded mesh according to EP 0 797 486, at the mesh node through a separating cut perpendicular to the actual stretch cut are severed.
- the lattice nodes in the lattice according to the invention predetermined breaking points in a regular sequence. For example, you can move from course to course every second or two of three grid nodes be designed as a predetermined breaking point.
- Another variation is to grid at least locally to form limited lattice sections with predetermined breaking points, with marginal areas to avoid unwanted tearing can be designed without predetermined breaking points.
- To increase the stability and strength can such lattices in Angle and especially superimposed at right angles and be connected to each other at the crossing points.
- the grid according to the invention with the formation of individual grid nodes as a predetermined breaking point is also with an expanded metal improved stretching behavior in the starting from trapezoidal sheet, corrugated sheet or the like Sheet metal the stretch cuts are made so that certain Bridges are only connected to each other very thinly these points are predetermined breaking points.
- the weakened predetermined breaking grid nodes can be used with a conventional one Tool during production enlarged cut-depth setting can be generated. With a Such a conventional tool can only be used for predetermined breaking grid nodes consistently across the entire grid.
- predetermined breaking points are only in a regular sequence, for example only at every second or third grid node can be generated with a tool with different deeply worked tooth bases.
- a tool with different deeply worked tooth bases.
- predetermined breaking grid nodes the depth can be reduced a smooth cutting of individual lattice nodes on the tooth bases take place so that a lattice according to EP 0 797 486 is obtained, i.e. a grid, which is offset from course to course for example every second and / or third grid node is severed, which is a perfectly spherical lattice results.
- Expanded mesh is usually produced as in FIG. 1 shown.
- the sheet 20 to be stretched is intermittently over a Cutting edge 21, which forms a lower knife, advanced.
- an upper knife 22 lowers itself with a toothed face 23 slits the sheet 20 long since the cutting edge 21 and presses the protruding sheet metal strip while stretching obliquely down.
- a half stitch is formed. in the next stroke the upper knife lowers e.g. 1 ⁇ 2 mesh width laterally offset, which completes the expanded mesh becomes.
- Expanded mesh tools are used with expanded mesh tools of a known type manufactured that are invariably solid or very slightly different tight knots and straight stretched in between, slightly corrugated at best for decorative purposes have "festooned mesh” bridges.
- all of these expanded metal according to the prior art even those with regular asymmetrical Mesh shapes is de facto straight Do not systematically bridge the distance between the respective nodes and specifically changeable.
- this variable knot spacing is of crucial importance and for the first time through tools modified according to the invention economically interesting.
- Teeth is molded.
- a shear knife 1 with teeth 2 is shown schematically in Figure 2. While the tooth tips 3 are the same throughout, only every second tooth base 4a is like this wide as the tooth tips 3. The rest of the teeth 4b are less deep and narrower.
- This is in accordance with 3 and 4 a expanded metal 5 can be produced with alternating normally connected webs 6a and almost severed webs 6b (Break points).
- FIG. 5 is a similar expanded metal 7 in partially stretched State shown.
- the circles 8 designate them almost severed webs 6b, and points 9a and 9b one earlier contiguous knot. By enlarging the mesh there is an elongation of about 35% without transverse contraction.
- FIG. 6 is a similar expanded metal 10 with a different knife guide shown. Here the shear knife is cut twice moves to the right or to the left, as at the, the predetermined breaking points characteristic circles 11 can be seen.
- FIG. 8 shows two superimposed at right angles Expanded mesh 13a and 13b that are continuous or intermittent are designed with predetermined breaking points 14.
- the superimposed grids can by an embedding compound be firmly connected.
- the invention was in connection with Expanded metal described. Basically, the invention is based on any perforated sheet can be used.
- the Expanded mesh 13a and 13b in Fig. 8 also as perforated sheets with almost square holes and incorporated at the same time Predetermined breaking points 14 are produced.
- Features 1 to 5 are preferably in a regular sequence realized across the tool width, e.g. on every second or third tooth, on two out of three teeth or in others appropriate combinations.
- By changing the respective Cutting depth then results in weakened knots (Breaking points) or already severed "loose” knots, whereby by conventional knife offset by 1/2 grid mesh width between two strokes with knives acc. Fig. 9 and 15 expansion grids with partly straight, partly angled bars 11 to 14 and 16 to 19, while knife acc. Fig. 15 with an enlarged to 3/2, 5/2, ... (2n + 1) / 2 stitch widths Offset expansion grid with consistently angled webs 20 to 22 result.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cell Electrode Carriers And Collectors (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
- Meat, Egg Or Seafood Products (AREA)
- Details Of Garments (AREA)
- Adornments (AREA)
Description
- Distanzhalter für hinterlüftete Verkleidungen,
- maßangeformte Verpackungen für kugelige Gegenstände u.ä.
- Trockengitter und Filterkörbe in Industrie und Haushalt
- GFK-ersetzende Reparatur-"Matte" im KFZ-Bereich u.ä.
- Fig. 1
- in perspektivischer und in Seitenansicht schematisch die Darstellung einer Streckgittererzeugung,
- Fig. 2
- schematisch ein Schermesser mit unterschiedlich tief ausgeformten Zähnen zur Erzeugung eines Streckgitters nach der Erfindung;
- Fig. 3
- schematisch in Blickrichtung A in Fig. 1 die Darstellung der Streckgittererzeugung mit einem Werkzeug gemäß Fig. 2;
- Fig. 4
- ein mit dem Schermesser der Fig. 2 erzeugtes Streckgitter mit abwechselnd normal verbundenen Stegen und fast durchtrennten Stegen;
- Fig. 5
- ein der Fig. 4 entsprechendes Streckgitter in teilweise gedehntem Zustand;
- Fig. 6
- eine Variante eines Streckgitters, das mit anderer Messerführung erzeugt ist, ebenfalls in teilweise gedehntem Zustand;
- Fig. 7
- ein Streckgitter, bei dem jeweils zwei von drei Stegen als Sollbruchstellen ausgebildet sind;
- Fig. 8
- zwei im rechten Winkel aufeinandergelegte Streckgitter, die durchgehend mit Sollbruchstellen ausgebildet sind;
- Fig. 9
- schematisch in Vorderansicht verschiedene Schermesservarianten;
- Fig. 10-14
- schematisch in Draufsicht mit den Schermessern nach Fig. 9 erzeugte Streckgitter;
- Fig. 15
- schematisch in Vorderansicht weitere Schermesservarianten;
- Fig. 16-22
- schematisch in Draufsicht mit den Schermessern nach Fig. 15 erzeugte Streckgitter.
Claims (8)
- Streckgitter aus einem Netzwerk von Gitterstegen und Gitterknoten,
dadurch gekennzeichnet, daß zumindest einzelne der Gitterknoten als bei Dehnung des Gitters aufreißende Sollbruchstellen (6b) ausgebildet sind. - Streckgitter nach Anspruch 1,
dadurch gekennzeichnet, daß Gitterknoten in regelmäßiger Abfolge als Sollbruchstellen (5b) ausgebildet sind. - Streckgitter nach Anspruch 2,
dadurch gekennzeichnet, daß von Maschenreihe zu Maschenreihe versetzt jeweils jeder zweite Gitterknoten als Sollbruchstelle (8,11) ausgebildet ist. - Streckgitter nach Anspruch 2,
dadurch gekennzeichnet, daß von Maschenreihe zu Maschenreihe versetzt jeweils zwei von drei Gitterknoten als Sollbruchstellen (12) ausgebildet sind. - Streckgitter nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, dass Gitterknoten in lokal begrenzten Bereichen des Gitters als Sollbruchstellen ausgebildet sind. - Steckgitter nach Anspruch 1 oder 2,
gekennzeichnet durch zwei im Winkel aufeinandergelegte Gitter (13a, 13b), die durchgehend oder intermittierend mit Sollbruchstellen (14) ausgebildet sind. - Streckgitter nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß es aus einem Wellen-, Trapez- oder ähnlich verformtem Metallblech oder Lochgitter als Ausgangsmaterial gebildet ist. - Werkzeug zur Herstellung von Streckgitter, mit einem Obermesser (22) mit gezahnter Stirnseite (23) bzw. Messerkontur,
gekennzeichnet durch eines oder mehrere der folgenden Merkmale:1. unterschiedlich tief ausgearbeitete Zahngründe zwischen den einzelnen Zähnen2. unterschiedlich breite Zahngründe und/oder -köpfe3. unterschiedlich steile Zahnflanken4. unterschiedlicher Abstand zwischen den einzelnen Zähnen5. unterschiedliche Zahnkopfhöhen.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19910312 | 1999-03-05 | ||
DE19910312A DE19910312C2 (de) | 1999-03-05 | 1999-03-05 | Streckmetall, Lochgitter oder dergleichen Gitterstruktur |
PCT/DE1999/004104 WO2000053356A1 (de) | 1999-03-05 | 1999-12-23 | Streckgitter und werkzeug zur herstellung von streckgitter |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1156894A1 EP1156894A1 (de) | 2001-11-28 |
EP1156894B1 true EP1156894B1 (de) | 2003-04-23 |
Family
ID=7900232
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99964461A Expired - Lifetime EP1156894B1 (de) | 1999-03-05 | 1999-12-23 | Streckgitter und werkzeug zur herstellung von streckgitter |
Country Status (6)
Country | Link |
---|---|
US (1) | US6696169B1 (de) |
EP (1) | EP1156894B1 (de) |
AT (1) | ATE238112T1 (de) |
AU (1) | AU3032100A (de) |
DE (2) | DE19910312C2 (de) |
WO (1) | WO2000053356A1 (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19913028C1 (de) * | 1999-03-23 | 2000-08-24 | Joachim Bruensch | Obermesser für eine Vorrichtung zur Herstellung eines Streckmetallgitters |
DE19922202B4 (de) * | 1999-05-12 | 2004-02-26 | Wilhelm Röttger | Plastisch verformbare Materialbahn |
DE19934060B4 (de) * | 1999-07-23 | 2004-03-04 | Wilhelm Röttger | Plastisch verformbare Materialbahn und Verfahren zu ihrer Herstellung |
DE10045002B4 (de) * | 2000-09-08 | 2004-12-23 | Röttger, Wilhelm | Plastisch verformbare Materialbahn |
DE20116525U1 (de) | 2001-09-28 | 2002-03-28 | Technische Universität Dresden, 01069 Dresden | Metallformkörper mit einer gestalteten textilen Oberfläche |
DE10359324B4 (de) * | 2003-10-02 | 2005-11-03 | Bruno Manuel Huercano | Bauelemente aus Lochblechen |
US20050228494A1 (en) * | 2004-03-29 | 2005-10-13 | Salvador Marquez | Controlled separation heart valve frame |
DE102004047805A1 (de) * | 2004-09-29 | 2006-03-30 | Altratec Montagesysteme Gmbh | Profilstück |
PL1945386T3 (pl) * | 2005-09-20 | 2017-07-31 | Helix International, Inc | Maszyna i sposób wytwarzania rur z siatki metalowej rozciąganej ze szwem spiralnym zakładkowym z pełnej blachy zwojowej |
US8578577B2 (en) * | 2005-09-20 | 2013-11-12 | Helix International, Inc. | Machine to produce expanded metal spirally lock-seamed tubing from solid coil stock |
US8696781B2 (en) | 2009-09-29 | 2014-04-15 | Wallner Tooling\Expac, Inc. | Expanded metal and process of making the same |
JP6085878B2 (ja) * | 2012-09-12 | 2017-03-01 | 内山工業株式会社 | 金属板の加工方法及び金属製の網体 |
US9708816B2 (en) | 2014-05-30 | 2017-07-18 | Sacks Industrial Corporation | Stucco lath and method of manufacture |
US9752323B2 (en) | 2015-07-29 | 2017-09-05 | Sacks Industrial Corporation | Light-weight metal stud and method of manufacture |
US9797142B1 (en) | 2016-09-09 | 2017-10-24 | Sacks Industrial Corporation | Lath device, assembly and method |
CN111566292B (zh) | 2017-08-14 | 2022-05-17 | 斯特克特电线有限公司 | 不同长度的金属龙骨 |
DE102017126315A1 (de) * | 2017-11-09 | 2019-05-09 | GRAMMER Interior Components GmbH | Streckmetall mit Maschen unterschiedlicher Maschenform |
US11351593B2 (en) | 2018-09-14 | 2022-06-07 | Structa Wire Ulc | Expanded metal formed using rotary blades and rotary blades to form such |
DE102020212133A1 (de) | 2020-09-25 | 2022-03-31 | Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Coburg | Zur Energieabsorption vorgesehenes Bauteil und Verfahren zur Herstellung von Bauteilen mit gitterförmiger Bauteilstruktur |
DE102020212131A1 (de) | 2020-09-25 | 2022-03-31 | Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Coburg | Zur Energieabsorption vorgesehenes Bauteil |
DE102020212130A1 (de) | 2020-09-25 | 2022-03-31 | Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Coburg | Kühlerbaugruppe für ein Fahrzeug |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1210849A (en) * | 1914-11-27 | 1917-01-02 | Charles H Scammell Company | Metal lath. |
US1437746A (en) * | 1916-12-07 | 1922-12-05 | Robert S Allyn | Expanded-metal fabric |
US2018085A (en) * | 1934-05-29 | 1935-10-22 | Allegheny Steel Co | Method of making flat expanded grilles |
US2214247A (en) * | 1938-06-27 | 1940-09-10 | Standard Railway Equipment Mfg | Antiskid tread for running boards and the like |
US2474778A (en) * | 1945-12-05 | 1949-06-28 | Wheeling Steel Corp | Backed lath and manufacture thereof |
FR2435573A1 (fr) * | 1978-09-08 | 1980-04-04 | Svensson Lennart | Linteau destine a supporter la premiere assise du muraillement, d'arcs ou d'arceaux |
DE8535675U1 (de) * | 1985-12-19 | 1987-09-10 | Braas & Co Gmbh, 6000 Frankfurt | Plastisch verformbare Abdeckvorrichtung |
JPH06333572A (ja) * | 1993-05-19 | 1994-12-02 | Matsushita Electric Ind Co Ltd | 鉛蓄電池 |
JPH06333573A (ja) * | 1993-05-19 | 1994-12-02 | Matsushita Electric Ind Co Ltd | 鉛蓄電池 |
EP0797486B1 (de) * | 1994-12-14 | 1998-06-17 | Albrecht KLÖCKNER | Gitter, insbesondere flächiges gitter (gittermatte) |
US6447928B2 (en) * | 1998-10-01 | 2002-09-10 | Gem City Engineering Company | Process of manufacturing a core metal insert |
-
1999
- 1999-03-05 DE DE19910312A patent/DE19910312C2/de not_active Expired - Fee Related
- 1999-12-23 DE DE59905251T patent/DE59905251D1/de not_active Expired - Lifetime
- 1999-12-23 AT AT99964461T patent/ATE238112T1/de not_active IP Right Cessation
- 1999-12-23 WO PCT/DE1999/004104 patent/WO2000053356A1/de active IP Right Grant
- 1999-12-23 US US09/914,887 patent/US6696169B1/en not_active Expired - Fee Related
- 1999-12-23 AU AU30321/00A patent/AU3032100A/en not_active Abandoned
- 1999-12-23 EP EP99964461A patent/EP1156894B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE19910312A1 (de) | 2000-11-16 |
DE59905251D1 (de) | 2003-05-28 |
US6696169B1 (en) | 2004-02-24 |
AU3032100A (en) | 2000-09-28 |
EP1156894A1 (de) | 2001-11-28 |
WO2000053356A1 (de) | 2000-09-14 |
ATE238112T1 (de) | 2003-05-15 |
DE19910312C2 (de) | 2002-03-14 |
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