WO2008000413A1 - Punched, perforated sheet - Google Patents

Punched, perforated sheet Download PDF

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Publication number
WO2008000413A1
WO2008000413A1 PCT/EP2007/005585 EP2007005585W WO2008000413A1 WO 2008000413 A1 WO2008000413 A1 WO 2008000413A1 EP 2007005585 W EP2007005585 W EP 2007005585W WO 2008000413 A1 WO2008000413 A1 WO 2008000413A1
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WO
WIPO (PCT)
Prior art keywords
perforated plate
punched
plate according
segment
segments
Prior art date
Application number
PCT/EP2007/005585
Other languages
German (de)
French (fr)
Inventor
Hans J. Theemann
Original Assignee
Mwh-Metallwerk
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 Mwh-Metallwerk filed Critical Mwh-Metallwerk
Publication of WO2008000413A1 publication Critical patent/WO2008000413A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C5/00—Chairs of special materials
    • A47C5/04—Metal chairs, e.g. tubular
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/02—Seat parts
    • A47C7/16—Seats made of wooden, plastics, or metal sheet material; Panel seats
    • 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
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/08—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of metal, e.g. sheet metal

Definitions

  • the present invention relates to a punched perforated plate.
  • Perforated sheets are produced from a usually rolled sheet by punching. In this case, a regular pattern of holes is formed in the sheet.
  • the shape of the holes usually follows design requirements alone. There are round, angular, oval and polygonal holes.
  • the hole pattern is usually punched out of a rolled sheet, in such a way that the remaining sheet material of the perforated plate continues to form plane-parallel upper and lower sides.
  • the present invention is based on the problem of proposing a stamped sheet, which meets increased design requirements.
  • the present invention seeks to specify in particular a punched perforated plate, which is particularly suitable as a seat and back surface for furniture, especially garden furniture.
  • a punched perforated plate with the features of claim 1 is proposed.
  • This is characterized by ribbon-like, intersecting segments that protrude between their intersection points from the plane of the starting sheet.
  • the perforated plate according to the invention is preferably a metal sheet, which is not only cutting, but also transforming edited during punching.
  • the initially flat material of the rolled starting sheet is preferably used in punching, ie. H. when punching the holes of the perforated plate is processed shaping, so that the first in a plane extending upper and lower sides of the starting sheet have deformed contouring following the sheet metal processing.
  • the upper and lower sides have an extension that is not parallel to the starting sheet.
  • the stamped perforated metal sheet according to the invention has segments that intersect. Between their crossing points, the segments are lifted out of the plane of the sheet. In any case, due to the shape of the sheet metal material, the segments protrude in sections from the plane of the sheet metal material supplied.
  • the punched perforated plate offers due to the above-described embodiment, the possibility to provide product designs on the perforated plate, which over the mere two-dimensional design, in particular the hole pattern, go out.
  • the punched perforated plate can give the appearance of a braided seat, provided that the segments are formed as part of over the respective crossing points continuously extending strands whose highest elevation is provided in the range of each first and its lowest starting point in the region of each second crossing point.
  • Fig. 1 is a plan view of the top of an embodiment
  • Fig. 2 is a plan view of the underside of the embodiment
  • Fig. 3 is a side view of the embodiment shown in Figures 1 and 2
  • Fig. 4 is an enlarged longitudinal sectional view taken along the line IV-IV as shown in Fig. 1;
  • Fig. 5 is a perspective plan view of the top of the embodiment.
  • the exemplary embodiment shows a perforated plate 1, on which rectangular recesses 2 are punched out by stamping. Only strands 3 are left behind after that. Longitudinal strands 3. 2 and transverse strands 3. 1 are formed in the longitudinal direction. The longitudinally formed strands 3.2 intersect the strands 3.1 formed in the transverse direction in the orthogonal direction, ie at an angle of 90 °. The recesses 2 are square. The strands 3 can be subdivided into individual segments 4, which are identified as longitudinally extending segments by the reference numeral 4.1 and as transversely extending segments by the reference numeral 4.1.
  • Each of the longitudinally extending segments 4.2 is bounded at the ends by a transverse segment 4.1; each of the transverse segments 4.1 is bounded by two longitudinally extending segments 4.2. Consequently, each of the segments 4 crosses two segments 4 extending at right angles thereto.
  • the segments 4 are lifted out of the plane of the sheet metal between their end-side crossing points 5 (the longitudinal center axis of the plane is marked "E" in Figure 4.)
  • the segments passing through at the respective crossing point 5 are opposite one another
  • the segments 4 located at this point of intersection 5 are lifted there in the opposite direction from the plane E.
  • the segments 4 passing through between two end crossing points 5 have their highest point in their middle, at the middle between the two end intersection points 5 provided crossing points. 5
  • the segments 4 passing through the intersection point 5 have a course that is curved toward the upper side and can be seen in detail in FIG. 4.
  • the top of the embodiment shows in this graphic representation upwards.
  • the continuous segment 4.1 has its lowest point in two marginal starting points 6, which are formed at an intersection between a sloping longitudinal edge 7 of the continuous segment 4.1 extending at right angles to the segment 4.2 and the lateral end of the continuous, strictly convexly curved segment 4.1.
  • Figures 1, 4 and 5 illustrate further the surface structure of the segments 4.
  • each two sets 8 are provided which form between each segment and between the longitudinal edge 7 and segment sections 9 .
  • notches 10 are respectively provided on the underside of the respective segments, which extend parallel to the beads 8 and which the shape of the segment sections 9 in the forming of the sheet to evenly Querrich- tion of the respective segments support 4 convex curved wall sections.
  • the notches 10 each form below the respective segment sections 9.
  • two beads 8 and at the bottom of three notches 10 are formed on the top. Consequently, three mutually parallel segment sections 9 are formed for each continuous segment 4 at the top.
  • the stamped perforated metal sheet can be formed, for example, from a steel DC01. However, due to the shaping punching results in a certain hardening of the sheet, so that an aluminum sheet can be used to produce the punched sheet metal.

Abstract

The invention relates to a punched, perforated sheet. The invention particularly relates to a punched, perforated sheet suitable for forming the seat and backrest of a piece of furniture, in particular, a piece of garden furniture. To solve this problem, the invention proposes a punched, perforated sheet with intersecting segments (4) that are elevated above the level of the sheet between the points of intersection (5) of said segments.

Description

STANZBEARBEITETES LOCHBLECH PUNCHED HOLE
Die vorliegende Erfindung betrifft ein stanzbearbeitetes Lochblech. Lochbleche werden aus einem üblicherweise gewalzten Blech durch Stanzen erzeugt. Dabei wird ein regelmäßiges Lochmuster in dem Blech ausgebildet. Die Form der Löcher folgt üblicherweise allein gestalterischen Maßgaben. Es gibt runde, eckige, ovale und polygonale Löcher.The present invention relates to a punched perforated plate. Perforated sheets are produced from a usually rolled sheet by punching. In this case, a regular pattern of holes is formed in the sheet. The shape of the holes usually follows design requirements alone. There are round, angular, oval and polygonal holes.
Bei der Herstellung von Lochblechen wird üblicherweise das Lochmuster aus einem gewalzten Blech herausgestanzt, und zwar derart, dass das verbleibende Blechmaterial des Lochbleches weiterhin planparallele Ober- und Unterseiten ausbildet. Der vorliegenden Erfindung liegt das Problem zugrunde, ein stanzbearbeitetes Blech vorzuschlagen, welches erhöhten gestalterischen Anforderungen genügt. Die vorliegende Erfindung will insbesondere ein stanzbearbeitetes Lochblech angeben, was sich besonders als Sitz- und Rückfläche für Möbel, speziell Gartenmöbel, eignet.In the production of perforated sheets, the hole pattern is usually punched out of a rolled sheet, in such a way that the remaining sheet material of the perforated plate continues to form plane-parallel upper and lower sides. The present invention is based on the problem of proposing a stamped sheet, which meets increased design requirements. The present invention seeks to specify in particular a punched perforated plate, which is particularly suitable as a seat and back surface for furniture, especially garden furniture.
Zur Lösung dieser Aufgabe wird die vorliegende Erfindung ein stanzbearbeitetes Lochblech mit den Merkmalen von Anspruch 1 vorgeschlagen. Dieses ist gekennzeichnet durch bandartige, sich kreuzende Segmente, die zwischen ihren Kreuzungspunkten aus der Ebene des Ausgangsbleches herausragen. Das erfindungsgemäße Lochblech ist vorzugsweise ein Blech, welches bei der Stanzbearbeitung nicht nur schneidend, sondern auch umformend bearbeitet ist. Dies bedeutet, dass das zunächst ebene Material des gewalzten Ausgangsbleches vorzugsweise bei der Stanzbearbeitung, d. h. beim Ausstanzen der Löcher des Lochbleches formgebend bearbeitet wird, so dass sich die zunächst in einer Ebenen erstreckenden Ober- und Unterseiten des Ausgangsbleches im Anschluss an die Blechbearbeitung konturgebend verformt haben. Die Ober- und Unterseiten haben insbesondere eine gegenüber dem Ausgangsblech nicht parallele Erstreckung. Das erfindungsgemäße stanzbearbeitete Lochblech hat Segmente, die sich kreuzen. Zwischen ihren Kreuzungspunkten sind die Segmente aus der Ebene des Bleches herausgehoben. Aufgrund der Formgebung des Blechmaterials ragen die Segmente jedenfalls abschnittsweise aus der Ebene des zugeführten Blechmaterials heraus.To solve this problem, the present invention, a punched perforated plate with the features of claim 1 is proposed. This is characterized by ribbon-like, intersecting segments that protrude between their intersection points from the plane of the starting sheet. The perforated plate according to the invention is preferably a metal sheet, which is not only cutting, but also transforming edited during punching. This means that the initially flat material of the rolled starting sheet is preferably used in punching, ie. H. when punching the holes of the perforated plate is processed shaping, so that the first in a plane extending upper and lower sides of the starting sheet have deformed contouring following the sheet metal processing. In particular, the upper and lower sides have an extension that is not parallel to the starting sheet. The stamped perforated metal sheet according to the invention has segments that intersect. Between their crossing points, the segments are lifted out of the plane of the sheet. In any case, due to the shape of the sheet metal material, the segments protrude in sections from the plane of the sheet metal material supplied.
Das stanzbearbeitete Lochblech bietet aufgrund der vorstehend beschriebenen Ausgestaltung die Möglichkeit, Produktgestaltungen an dem Lochblech vorzusehen, welche über die bloße zweidimensionale Ausgestaltung, insbesondere das Lochmuster, hinausgehen. So kann das stanzbearbeitete Lochblech die Anmutung einer geflochtenen Sitzfläche vermitteln, sofern die Segmente als Teil von über die jeweiligen Kreuzungspunkte hinaus durchgehend verlaufenden Stränge ausgebildet sind, deren höchste Erhebung im Bereich jedes ersten und deren tiefster Anfangspunkt im Bereich jedes zweiten Kreuzungspunktes vorgesehen ist.The punched perforated plate offers due to the above-described embodiment, the possibility to provide product designs on the perforated plate, which over the mere two-dimensional design, in particular the hole pattern, go out. Thus, the punched perforated plate can give the appearance of a braided seat, provided that the segments are formed as part of over the respective crossing points continuously extending strands whose highest elevation is provided in the range of each first and its lowest starting point in the region of each second crossing point.
Bevorzugte Weiterbildungen des erfindungsgemäßen stanzbearbeiteten Lochblechs sind in den Unteransprüchen angegeben.Preferred developments of the punched perforated sheet according to the invention are specified in the subclaims.
Weitere Einzelheiten und Vorteile der vorliegenden Erfindung ergeben sich aus der nachfolgenden Beschreibung eines Ausführungsbeispiels in Verbindung der Zeichnung. In dieser zeigen:Further details and advantages of the present invention will become apparent from the following description of an embodiment in conjunction with the drawing. In this show:
Fig. 1 eine Draufsicht auf die Oberseite eines Ausführungsbeispiels;Fig. 1 is a plan view of the top of an embodiment;
Fig. 2 eine Draufsicht auf die Unterseite des Ausführungsbeispiels;Fig. 2 is a plan view of the underside of the embodiment;
Fig. 3 eine Seitenansicht des in den Figuren 1 und 2 gezeigten AusführungsbeispielsFig. 3 is a side view of the embodiment shown in Figures 1 and 2
Fig. 4 eine vergrößerte Längsschnittansicht entlang der Linie IV-IV gemäß der Darstellung in Fig. 1; undFig. 4 is an enlarged longitudinal sectional view taken along the line IV-IV as shown in Fig. 1; and
Fig. 5 eine perspektivische Draufsicht auf die Oberseite des Ausführungsbeispiels.Fig. 5 is a perspective plan view of the top of the embodiment.
Das Ausführungsbeispiel zeigt ein Lochblech 1 , an dem durch Stanzbearbeitung rechteckige Ausnehmungen 2 ausgestanzt sind. Verblieben sind danach lediglich Stränge 3. Es sind in Längsrichtung durchgehende Stränge 3.2 und in Querrichtung durchgehende Stränge 3.1 ausgebildet. Die in Längsrichtung ausgebildeten Stränge 3.2 schneiden die in Querrichtung ausgebildeten Stränge 3.1 in orthogonaler Richtung, d. h. unter einem Winkel von 90°. Die Ausnehmungen 2 sind quadratisch. Die Stränge 3 können unterteilt werden in einzelne Segmente 4, die als in Längsrichtung verlaufende Segmente mit dem Bezugszeichen 4.1 und als in Querrichtung verlaufende Segmente mit dem Bezugszeichen 4.1 gekennzeichnet sind. Jedes der in Längsrichtung verlaufenden Segmente 4.2 wird endseitig begrenzt durch ein querlaufendes Segment 4.1; jedes der querlaufenden Segmente 4.1 wird begrenzt durch zwei in Längsrichtung verlaufende Segmente 4.2. Folglich kreuzt jedes der Segmente 4 zwei sich hierzu rechtwinklig erstreckende Segmente 4.The exemplary embodiment shows a perforated plate 1, on which rectangular recesses 2 are punched out by stamping. Only strands 3 are left behind after that. Longitudinal strands 3. 2 and transverse strands 3. 1 are formed in the longitudinal direction. The longitudinally formed strands 3.2 intersect the strands 3.1 formed in the transverse direction in the orthogonal direction, ie at an angle of 90 °. The recesses 2 are square. The strands 3 can be subdivided into individual segments 4, which are identified as longitudinally extending segments by the reference numeral 4.1 and as transversely extending segments by the reference numeral 4.1. Each of the longitudinally extending segments 4.2 is bounded at the ends by a transverse segment 4.1; each of the transverse segments 4.1 is bounded by two longitudinally extending segments 4.2. Consequently, each of the segments 4 crosses two segments 4 extending at right angles thereto.
Wie insbesondere den Figuren 4 und 5 zu entnehmen ist, sind die Segmente 4 zwischen ihren endseitigen Kreuzungspunkten 5 aus der Ebene des Bleches herausgehoben (Mittellängsachse der Ebene in Fig 4 mit „E" gekennzeichnet). Die an dem jeweiligen Kreuzungspunkt 5 durchgehenden Segmente sind gegenüber der Ebene E des Ausgangsmaterials erhaben; die an diesem Kreuzungspunkt 5 ihren Ausgangspunkt findenden Segmente 4 sind dort in entgegengesetzter Richtung aus der Ebene E herausgehoben. Die über zwischen zwei endseitige Kreuzungspunkte 5 durchgehenden Segmente 4 haben ihren höchsten Punkt in ihrer Mitte, an dem mittig zwischen den beiden endseitigen Kreuzungspunkten 5 vorgesehenen Kreuzungspunkten 5.4 and 5, the segments 4 are lifted out of the plane of the sheet metal between their end-side crossing points 5 (the longitudinal center axis of the plane is marked "E" in Figure 4.) The segments passing through at the respective crossing point 5 are opposite one another The segments 4 located at this point of intersection 5 are lifted there in the opposite direction from the plane E. The segments 4 passing through between two end crossing points 5 have their highest point in their middle, at the middle between the two end intersection points 5 provided crossing points. 5
Die über den Kreuzungspunkt 5 durchgehenden Segmente 4 haben einen zu der Oberseite hin gekrümmten Verlauf, der detailliert Fig. 4 zu entnehmen ist. Die Oberseite des Ausführungsbeispieles zeigt bei dieser zeichnerischen Darstellung nach oben. Das durchgehende Segment 4.1 hat seinen tiefsten Punkt in zwei randseitigen Ausgangspunkten 6, die an einem Schnittpunkt zwischen einen abfallenden Längsrand 7 des sich zu dem durchgehenden Segment 4.1 rechtwinklig erstreckenden Segmentes 4.2 und dem lateralen Ende des durchgehend, streng konvex gebogenen Segmentes 4.1 ausgebildet sind.The segments 4 passing through the intersection point 5 have a course that is curved toward the upper side and can be seen in detail in FIG. 4. The top of the embodiment shows in this graphic representation upwards. The continuous segment 4.1 has its lowest point in two marginal starting points 6, which are formed at an intersection between a sloping longitudinal edge 7 of the continuous segment 4.1 extending at right angles to the segment 4.2 and the lateral end of the continuous, strictly convexly curved segment 4.1.
Die Figuren 1 , 4 und 5 verdeutlichen ferner die Oberflächenstruktur der Segmente 4. An der Oberfläche des Lochbleches 1 sind in Breitenrichtung eines Segmentes 4 jeweils zwei Si- cken 8 vorgesehen, welche zwischen sich bzw. zwischen sich und dem Längsrand 7 jeweils Segmentabschnitte 9 bilden. Zwischen den jeweiligen Sicken 8 bzw. den Sicken 8 und dem Längsrand 7 sind jeweils auf der Unterseite der jeweiligen Segmente 4 Einkerbungen 10 vorgesehen, die sich parallel zu den Sicken 8 erstrecken und welche die Formgebung der Segmentabschnitte 9 bei der Umformbearbeitung des Bleches zu gleichmäßig in Querrich- tung der jeweiligen Segmente 4 konvex gekrümmten Wandungsabschnitten unterstützen. Die Einkerbungen 10 bilden sich jeweils unterhalb der jeweiligen Segmentabschnitte 9 aus. Bei dem in der Zeichnung gezeigten Ausführungsbeispiel sind an der Oberseite zwei Sicken 8 und an der Unterseite drei Einkerbungen 10 ausgebildet. Folglich sind an der Oberseite drei parallel zueinander verlaufende Segmentabschnitte 9 für jedes durchlaufende Segment 4 ausgebildet. Das stanzbearbeitete Lochblech kann beispielsweise aus einem Stahl DC01 gebildet sein. Aufgrund der formgebenden Stanzbearbeitung ergibt sich indes eine gewisse Verfestigung des Bleches, so dass auch ein Aluminiumblech benutzt werden kann, um das stanzbearbeitete Blech herzustellen. Zum Einsatz kommt beispielsweise ein Blech in der Qualität Al Mg 1 hh NQ1 d.h. ein Aluminiumblech mit bis zu 1 Gew.% Mg. Figures 1, 4 and 5 illustrate further the surface structure of the segments 4. On the surface of the perforated plate 1 in the width direction of a segment 4 each two sets 8 are provided which form between each segment and between the longitudinal edge 7 and segment sections 9 , Between the respective beads 8 and the beads 8 and the longitudinal edge 7 4 notches 10 are respectively provided on the underside of the respective segments, which extend parallel to the beads 8 and which the shape of the segment sections 9 in the forming of the sheet to evenly Querrich- tion of the respective segments support 4 convex curved wall sections. The notches 10 each form below the respective segment sections 9. In the embodiment shown in the drawing, two beads 8 and at the bottom of three notches 10 are formed on the top. Consequently, three mutually parallel segment sections 9 are formed for each continuous segment 4 at the top. The stamped perforated metal sheet can be formed, for example, from a steel DC01. However, due to the shaping punching results in a certain hardening of the sheet, so that an aluminum sheet can be used to produce the punched sheet metal. For example, a sheet metal in the quality Al Mg 1 hh NQ 1, ie an aluminum sheet with up to 1 wt.% Mg, is used.
BezugszeichenlisteLIST OF REFERENCE NUMBERS
1 Lochblech1 perforated plate
2 Ausnehmung2 recess
3 Strang3 strand
3.1 Strang3.1 strand
3.2 Strang3.2 strand
4 Segment4 segment
4.1 Segment4.1 Segment
4.2 Segment4.2 Segment
5 Kreuzungspunkt5 crossing point
6 Ausgangspunkt6 starting point
7 Längsrand7 longitudinal edge
8 Sicke8 bead
9 Segmentabschnitt9 segment section
10 Einkerbung 10 notch

Claims

Schutzansprüche protection claims
1. Stanzbearbeitetes Lochblech, gekennzeichnet durch sich kreuzende Segmente (4), die zwischen ihren Kreuzungspunkten (5) aus der Ebene des Ausgangsbleches herausgehoben sind.1. Punched perforated plate, characterized by intersecting segments (4), which are lifted out of the plane of the starting sheet between their crossing points (5).
2. Stanzbearbeitetes Lochblech nach Anspruch 1 , dadurch gekennzeichnet, dass die Segmente (4) als Teil von über die Kreuzungspunkte (5) durchgehend verlaufenden Strängen (3) ausgebildet sind.2. Punched perforated plate according to claim 1, characterized in that the segments (4) are formed as part of the crossing points (5) continuously extending strands (3).
3. Stanzbearbeitetes Lochblech nach Anspruch 2, dadurch gekennzeichnet, dass die durchgehenden Stränge (3) orthogonal zueinander ausgerichtet sind.3. Punched perforated plate according to claim 2, characterized in that the continuous strands (3) are aligned orthogonal to each other.
4. Stanzbearbeitetes Lochblech nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die Segmente (4) zwischen ihren Kreuzungspunkten (5) zu einer Blechoberseite konvex gebogen sind.4. Punched perforated plate according to one of the preceding claims, characterized in that the segments (4) are bent convexly between their crossing points (5) to a sheet metal top.
5. Stanzbearbeitetes Lochblech nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass die Stränge (3) ihre höchste Erhebung im Bereich des ersten und ihren tiefsten Ausgangspunkt (6) im Bereich jedes zweiten Kreuzungspunktes (5) aufweisen.5. Punched perforated plate according to one of the preceding claims, characterized in that the strands (3) have their highest elevation in the region of the first and their lowest starting point (6) in the region of each second crossing point (5).
6. Stanzbearbeitetes Lochblech nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass der Ausgangspunkt (6) am Schnittpunkt eines steil abfallenden Längsrandes (7) eines ersten Segmentes (4.2) und dem stirnseitigen Ende eines dieses schneidenden zweiten Segmentes (4.1) vorgesehen ist.6. Punched perforated plate according to one of the preceding claims, characterized in that the starting point (6) at the intersection of a steeply sloping longitudinal edge (7) of a first segment (4.2) and the front end of this cutting second segment (4.1) is provided.
7. Stanzbearbeitetes Lochblech nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass jedes Segment (4) an seiner Oberseite wenigstens eine sich in seiner Längsrichtung erstreckende Sicke (8) aufweist, von der beidseitig konvex gebogene Segmentabschnitte (9) abgehen. 7. Punched perforated plate according to one of the preceding claims, characterized in that each segment (4) on its upper side at least one extending in its longitudinal direction bead (8), from the both sides convex curved segment sections (9) depart.
8. Stanzbearbeitetes Lochblech nach einem der vorherigen Ansprüche, dadurch gekennzeichnet, dass zwischen dem Längsrand eines Segmentes und einer auf der Oberseite vorgesehenen Sicke (8) oder zwischen zwei auf der Oberseite vorgesehenen Sicken (8) auf der Unterseite eine sich parallel zu den Sicken (8) bzw. den Längsrändern (7) erstreckende Einkerbung (10) ausgebildet ist.8. Punched perforated plate according to one of the preceding claims, characterized in that between the longitudinal edge of a segment and provided on the top bead (8) or between two provided on the top beads (8) on the bottom of a parallel to the beads ( 8) or the longitudinal edges (7) extending notch (10) is formed.
9. Stanzbearbeitetes Lochblech nach Anspruch 7 oder 8, dadurch gekennzeichnet, dass auf der Oberseite zwei bis vier Sicken (8) vorgesehen sind. 9. punched perforated plate according to claim 7 or 8, characterized in that on the upper side two to four beads (8) are provided.
PCT/EP2007/005585 2006-06-26 2007-06-25 Punched, perforated sheet WO2008000413A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200620009944 DE202006009944U1 (en) 2006-06-26 2006-06-26 Perforated sheet metal for garden furniture is shaped in a two-stage process of pressing and punching
DE202006009944.1 2006-06-26

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Publication Number Publication Date
WO2008000413A1 true WO2008000413A1 (en) 2008-01-03

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WO (1) WO2008000413A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202013005787U1 (en) 2013-06-27 2013-08-28 MFG Mecklenburger Freizeitmöbel GmbH Folding garden and leisure table

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014213770B3 (en) 2014-07-15 2015-09-17 Lotusgrill Gmbh Grill and charcoal chamber

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR557625A (en) * 1922-10-19 1923-08-11 Perforated seats and backs in foil or stamped plates
FR560045A (en) * 1922-12-19 1923-09-26 Seats, backrests and metal panels with the appearance of cane
US2158929A (en) * 1937-05-14 1939-05-16 Commercial Ingredients Corp Resilient sheet
DE742102C (en) * 1941-06-14 1943-12-31 Emil Pirwitz O H Spring base for reclining and seating furniture o. The like. Made of a sheet metal plate or a deformable plate made of another material
DE2400120A1 (en) * 1974-01-03 1975-08-14 Dietmar Wagner Sprung structures made from folded inextensible sheet - suitable for making packaging, seating or non-pneumatic tyres

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR557625A (en) * 1922-10-19 1923-08-11 Perforated seats and backs in foil or stamped plates
FR560045A (en) * 1922-12-19 1923-09-26 Seats, backrests and metal panels with the appearance of cane
US2158929A (en) * 1937-05-14 1939-05-16 Commercial Ingredients Corp Resilient sheet
DE742102C (en) * 1941-06-14 1943-12-31 Emil Pirwitz O H Spring base for reclining and seating furniture o. The like. Made of a sheet metal plate or a deformable plate made of another material
DE2400120A1 (en) * 1974-01-03 1975-08-14 Dietmar Wagner Sprung structures made from folded inextensible sheet - suitable for making packaging, seating or non-pneumatic tyres

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202013005787U1 (en) 2013-06-27 2013-08-28 MFG Mecklenburger Freizeitmöbel GmbH Folding garden and leisure table

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