EP2913169B1 - Punch and method for punching corrugated board - Google Patents
Punch and method for punching corrugated board Download PDFInfo
- Publication number
- EP2913169B1 EP2913169B1 EP15155924.2A EP15155924A EP2913169B1 EP 2913169 B1 EP2913169 B1 EP 2913169B1 EP 15155924 A EP15155924 A EP 15155924A EP 2913169 B1 EP2913169 B1 EP 2913169B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- punching
- holding
- sheet
- line
- down surface
- 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.)
- Active
Links
- 238000004080 punching Methods 0.000 title claims description 79
- 238000000034 method Methods 0.000 title claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims 1
- 239000012858 resilient material Substances 0.000 claims 1
- 238000004806 packaging method and process Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 239000013013 elastic material Substances 0.000 description 2
- 210000004209 hair Anatomy 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000123 paper Substances 0.000 description 2
- 229920001651 Cyanoacrylate Polymers 0.000 description 1
- 239000004830 Super Glue Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/44—Cutters therefor; Dies therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/40—Cutting-out; Stamping-out using a press, e.g. of the ram type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/44—Cutters therefor; Dies therefor
- B26F2001/4427—Cutters therefor; Dies therefor combining cutting and forming operations
Definitions
- the invention relates to a punching device and a method for punching a sheet of corrugated cardboard according to the preamble of patent claims 1 and 10, respectively.
- punching devices which have a carrier plate in which at least one punching line is fixed so that it protrudes perpendicular to the support plate and has a punched edge at its projecting free end.
- a sheet of corrugated cardboard is placed on a counter-plate and then moves the punching device in the direction of the counter-plate until the punching line impinges on the sheet and punched in a further movement of the sheet until it impinges on the counter-plate. Due to the material of the corrugated cardboard arise in this known method along the cutting edge punching and punching dust, which adversely affect the visual appearance of the sheet along the cutting edge.
- the requirements for corrugated packaging have increased. It is required a visually perfect cut of the punched edges.
- a punching and scoring device in which a punching line and a score line are fixed adjacent to each other in a receiving slot of a carrier plate.
- the DE 20 2013 100 883 U1 describes a dressing sheet for a steel strip punching tool, which allows easy dressing taking into account the deflection of the punching crucible.
- a carrier plate punching lines and creasing lines are juxtaposed at a distance.
- the upper tool has a frame surrounded by a knife. When the tool is closed, the blades cut out the insulating material element. The frame is heated. The tool remains closed for a predetermined time until the material has melted through the frame. Then the tool is opened and removed the insulation element.
- a punching tool which comprises a carrier plate, stamped lines received in the carrier plate and elastic bodies attached to the punching lines.
- the elastic bodies consist of an elastic body and a cushion pad which strongly compresses the sheet near the punching lines during the punching operation.
- the invention is therefore based on the object to provide a punching device and a method for punching corrugated cardboard can be formed by the optically perfect cut edges in a sheet of corrugated cardboard.
- the object of the invention is also achieved by a method having the features of claim 10, which is advantageously developed in claim 11.
- a punching in a sheet of corrugated cardboard is performed by a punching line with the punching device according to the invention, the sheet is compressed immediately adjacent to the punching line by the hold-down surface.
- the compression preferably takes place adjacent to the longitudinal side of the punching line which faces the part of the sheet used in folding / gluing machines, Aufstellmaschinen and / or filling machines is processed into a package.
- By compressing the sheet material not only an exactly punched cutting edge is created, which serves as a contact edge in the machines. It also significantly reduces the proportion of punching hair and punching dust.
- the retaining points are supported by the hold-down in their strength. There is also the option to loop in breakpoints afterwards. Finally, a line change can be performed without damaging the die.
- It can be arranged a hold-down surface adjacent to both longitudinal sides or only one longitudinal side of the punching line.
- the hold-down surface is formed on an existing from the non-elastic material hold-down, which is arranged adjacent to the corresponding longitudinal side of the punching line
- the hold-down surface can also form part of the punching line itself.
- FIG. 1 shows a punching device for punching corrugated cardboard, explained in more detail.
- the punching device 10 has a support plate 12 and a spaced therefrom arranged counter-plate 13 which can be moved relative to each other, ie the support plate 12 is moved in the direction of the counter-plate 13, the counter-plate 13 is moved in the direction of the support plate 12 or support plate 12 and counter plate 13 are both moved to each other. These movements are indicated by the double arrow.
- a punching line 18 is attached in the form of a thin plate having one end in a recess 14.
- the punching line 18 has a stamped edge 22 at its end opposite to the carrier plate 12.
- Adjacent to the longitudinal side of the punching line 18, a hold-down 16 is also accommodated in the form of a thin plate at its attachment end 17 in the recess 14.
- the hold-down 16 has at its the support plate 12 opposite end a hold-down surface 20 which extends parallel to the underside of the support plate 12, the counter-plate 13 and the punching edge 22, wherein the distance of the hold-down surface 20 to the support plate 12 is less than the distance of the punching edge 22nd to this.
- the hold-down surface 20 may vary at an angle to the counter-punching plate 13 and in the surface contour. As an example, corrugated, notched, corrugated or other profiles of the hold-down surface 20 can be used.
- Hold-down surface 20 and punching line can also form a part.
- the hold-down 16 is made of non-elastic material, that is, that the material of the hold-16 is not visibly deformed during compression.
- the hold-down 16 is made of steel. But it can also be made of aluminum, an aluminum alloy or hard plastic, for example.
- Non-elastic means that the hold-down 16 has a modulus of elasticity of at least 0.20 kN / mm 2 in rigidity. There is no limit to the maximum modulus of elasticity.
- a sheet 30 is to be punched from corrugated cardboard, this is placed on top of the counter-plate 13. Subsequently, the support plate 12 is moved in the direction of the counter-plate 13 until the punching edge 22 of the punching line 18 impinges on the sheet 30 and punched through this until the punching edge 22 impinges on the top of the counter-plate 13.
- the distance d between the cutting edge 22 and the hold-down surface 20 is selected to be less than the thickness of the sheet 30, so that the sheet 30 is compressed immediately adjacent to the punching line 18 by the hold-down surface 20 to the thickness d.
- the support plate 12 is moved back upwardly away from the counter-plate 13 and the punched sheet 30 is conveyed.
- the distance d between the punching plate 22 and the hold-down surface 20 is determined depending on the thickness e and the quality of the individual paper layers and types of the corrugated cardboard sheet 30.
- the width of the hold-down surface 20, which in this case corresponds to the thickness a of the hold-down, is preferably 0.50 mm to 3 mm.
- the hold-down surface 20 can be material-dependent exceptions in width to 10 mm.
- the distance d is preferably 0.4 mm to 0.6 mm.
Description
Die Erfindung betrifft eine Stanzvorrichtung und ein Verfahren zum Stanzen eines Bogens aus Wellpappe nach dem Oberbegriff des Patentanspruchs 1 bzw. 10.The invention relates to a punching device and a method for punching a sheet of corrugated cardboard according to the preamble of
Es sind Stanzvorrichtungen bekannt, die eine Trägerplatte aufweisen, in der wenigstens eine Stanzlinie so befestigt ist, dass sie senkrecht zur Trägerplatte vorsteht und an ihrem vorstehenden freien Ende eine Stanzkante aufweist. Zur Durchführung einer Stanzung wird ein Bogen aus Wellpappe auf eine Gegenplatte aufgelegt und anschließend die Stanzvorrichtung in Richtung der Gegenplatte bewegt, bis die Stanzlinie auf den Bogen auftrifft und bei einer weiteren Bewegung den Bogen durchstanzt, bis sie auf der Gegenplatte auftrifft. Bedingt durch das Material der Wellpappe entstehen bei diesem bekannten Verfahren entlang der Schnittkante Stanzhaare und Stanzstaub, die das optische Erscheinungsbild des Bogens entlang der Schnittkante negativ beeinträchtigen. In der letzten Zeit sind die Anforderungen für Wellpappeverpackungen gestiegen. Es wird ein optisch einwandfreies Schnittbild der gestanzten Schnittkanten verlangt. Um dies zu erreichen, ist es bekannt, unterschiedliche Funktionsgummierungen an den Sichtkanten einzusetzen. Durch Einsatz von Funktionsgummierungen ist man jedoch in der Auswahl der exakten Höhe und Härte stark eingeschränkt. Weiter sind andere Bereiche in der gewöhnlichen Handhabung einer Stanzform nicht mehr möglich, wie nachträgliches Anbringen von Transporthaltepunkten, oder ein Linienwechsel ohne Beschädigung der Trägerplatte. Die Funktionsgummierung wird gewöhnlich mit Sekundenkleber angebracht, dadurch verbindet sich dieser mit den Schneidlinien und der Trägerplatte zu einem festen Verbund, der sehr schwer ohne Beschädigungen der Trägerplatte zu lösen ist.There are punching devices are known which have a carrier plate in which at least one punching line is fixed so that it protrudes perpendicular to the support plate and has a punched edge at its projecting free end. To perform a punching a sheet of corrugated cardboard is placed on a counter-plate and then moves the punching device in the direction of the counter-plate until the punching line impinges on the sheet and punched in a further movement of the sheet until it impinges on the counter-plate. Due to the material of the corrugated cardboard arise in this known method along the cutting edge punching and punching dust, which adversely affect the visual appearance of the sheet along the cutting edge. Recently, the requirements for corrugated packaging have increased. It is required a visually perfect cut of the punched edges. To achieve this, it is known to use different Funktionsgummierungen on the visible edges. However, by using functional rubbers, one is severely restricted in the selection of the exact height and hardness. Further, other areas in the ordinary handling of a die are no longer possible, such as the subsequent attachment of transport stops, or a line change without damaging the carrier plate. Functional gumming is usually done with superglue, which connects it to the cutting lines and the backing plate to form a strong bond that is very hard to release without damaging the backing plate.
Aus der
Die
Aus der
Aus der
Der Erfindung liegt daher die Aufgabe zugrunde, eine Stanzvorrichtung und ein Verfahren zum Stanzen von Wellpappe bereitzustellen, durch die optisch einwandfreie Schnittkanten in einem Bogen aus Wellpappe ausgebildet werden können.The invention is therefore based on the object to provide a punching device and a method for punching corrugated cardboard can be formed by the optically perfect cut edges in a sheet of corrugated cardboard.
Diese Aufgabe wird erfindungsgemäß durch eine Stanzvorrichtung zum Stanzen von Wellpappe mit den Merkmalen des Patentanspruchs 1 gelöst. Vorteilhafte Weiterbildungen der erfindungsgemäßen Stanzvorrichtung sind Gegenstand der Patentansprüche 2 bis 9.This object is achieved by a punching device for punching corrugated cardboard with the features of claim 1. Advantageous developments of the punching device according to the invention are the subject of claims 2 to 9.
Die erfindungsgemäße Aufgabe wird außerdem durch ein Verfahren mit den Merkmalen des Patentanspruchs 10 gelöst, das im Patentanspruch 11 vorteilhaft weitergebildet ist.The object of the invention is also achieved by a method having the features of
Wenn mit der erfindungsgemäßen Stanzvorrichtung eine Stanzung in einem Bogen aus Wellpappe durch eine Stanzlinie durchgeführt wird, wird der Bogen unmittelbar neben der Stanzlinie durch die Niederhaltefläche komprimiert. Hierdurch wird ein durchgängig sauberer und gleichmäßiger Schnitt aller Papierlagen eines Bogens aus Wellpappe gewährleistet. Die Komprimierung findet bevorzugt neben der Längsseite der Stanzlinie statt, die dem Teil des Bogens zugewandt ist, der in Falt/Klebemaschinen, Aufstellmaschinen und/oder Befüllmaschinen zu einer Verpackung weiterverarbeitet wird. Durch das Komprimieren des Bogenmaterials entsteht nicht nur eine exakt gestanzte Schnittkante, die als Anlagekante in den Maschinen dient. Es wird außerdem der Anteil der Stanzhaare und des Stanzstaubs erheblich reduziert. Außerdem werden durch die Niederhaltefläche die Haltepunkte in ihrer Festigkeit unterstützt. Es besteht darüber hinaus die Möglichkeit nachträglich Haltepunkte einzuschleifen. Schließlich kann ein Linienwechsel ohne Beschädigung der Stanzform durchgeführt werden.If a punching in a sheet of corrugated cardboard is performed by a punching line with the punching device according to the invention, the sheet is compressed immediately adjacent to the punching line by the hold-down surface. This ensures a consistently clean and even cut of all paper layers of a sheet of corrugated cardboard. The compression preferably takes place adjacent to the longitudinal side of the punching line which faces the part of the sheet used in folding / gluing machines, Aufstellmaschinen and / or filling machines is processed into a package. By compressing the sheet material, not only an exactly punched cutting edge is created, which serves as a contact edge in the machines. It also significantly reduces the proportion of punching hair and punching dust. In addition, the retaining points are supported by the hold-down in their strength. There is also the option to loop in breakpoints afterwards. Finally, a line change can be performed without damaging the die.
Es kann eine Niederhaltefläche angrenzend an beide Längsseiten oder nur eine Längsseite der Stanzlinie angeordnet werden.It can be arranged a hold-down surface adjacent to both longitudinal sides or only one longitudinal side of the punching line.
Bei einer bevorzugten Ausführungsform ist die Niederhaltefläche an einem aus dem nicht elastischen Material bestehenden Niederhalter ausgebildet ist, der anliegend an die entsprechende Längsseite der Stanzlinie angeordnet istIn a preferred embodiment, the hold-down surface is formed on an existing from the non-elastic material hold-down, which is arranged adjacent to the corresponding longitudinal side of the punching line
Die Niederhaltefläche kann aber auch einen Teil der Stanzlinie selbst bilden.The hold-down surface can also form part of the punching line itself.
Bei Teststanzungen wurde eine Reduzierung des Stanzstaubs und der Stanzhaare um 85% gegenüber den herkömmlich verwendeten Verfahren festgestellt. Diese Reduzierung ist insbesondere bei Verpackungen in der Lebensmittel-, der Elektro- und Feinmechanikindustrie von erheblicher Bedeutung.In test punches, a reduction of punching dust and punching hairs of 85% was found over the conventionally used methods. This reduction is particularly important in packaging in the food, electrical and precision engineering industries of considerable importance.
Ein Ausführungsbeispiel der erfindungsgemäßen Stanzvorrichtung wird anhand der beigefügten
Die erfindungsgemäße Stanzvorrichtung 10 weist eine Trägerplatte 12 und eine im Abstand zu dieser angeordnete Gegenplatte 13 auf, die relativ zueinander bewegt werden können, d.h. die Trägerplatte 12 wird in Richtung der Gegenplatte 13 bewegt, die Gegenplatte 13 wird in Richtung der Trägerplatte 12 bewegt oder Trägerplatte 12 und Gegenplatte 13 werden beide zueinander bewegt. Diese Bewegungen sind anhand des Doppelpfeils angedeutet.The
Im Folgenden wird der Fall erläutert, in dem die Trägerplatte 12 in Richtung der feststehenden Gegenplatte 13 bewegt wird.In the following, the case will be explained in which the
In der Trägerplatte 12 ist eine Stanzlinie 18 in Form einer dünnen Platte mit einem Ende in einer Ausnehmung 14 befestigt. Die Stanzlinie 18 weist an ihrem der Trägerplatte 12 entgegengesetzten Ende eine Stanzkante 22 auf. Seitlich an die Längsseite der Stanzlinie 18 anliegend ist ein Niederhalter 16 ebenfalls in Form einer dünnen Platte an seinem Befestigungsende 17 in der Ausnehmung 14 aufgenommen. Der Niederhalter 16 weist an seinem der Trägerplatte 12 entgegengesetzten Ende eine Niederhaltefläche 20 auf, die parallel zur Unterseite der Trägerplatte 12, zur Gegenplatte 13 und zur Stanzkante 22 verläuft, wobei der Abstand der Niederhaltefläche 20 zur Trägerplatte 12 geringer ist als der Abstand der Stanzkante 22 zu dieser. Die Niederhaltefläche 20 kann sich im Winkel zu der Gegenstanzplatte 13 und in der Flächenkontur verändern. Als Beispiel können auch geriffelte, gekerbte, gewellte oder andere Profile der Niederhaltefläche 20 zum Einsatz kommen.In the
Niederhaltefläche 20 und Stanzlinie können auch ein Teil bilden.Hold-down
Der Niederhalter 16 besteht aus nichtelastischem Material, d.h. dass sich das Material des Niederhalters 16 bei der Komprimierung nicht sichtbar verformt. Bevorzugt wird der Niederhalter 16 aus Stahl hergestellt. Er kann aber auch z.B. aus Aluminium, aus einer Aluminiumlegierung oder aus Hartplastik hergestellt sein. Nichtelastisch bedeutet, dass der Niederhalter 16 in der Steifigkeit ein Elastizitätsmodul von wenigstens 0,20 kN/mm2 aufweist. Zum maximalen Elastizitätsmodul ist hierbei keine Grenze gesetzt.The hold-
Wenn ein Bogen 30 aus Wellpappe gestanzt werden soll, wird dieser auf die Oberseite der Gegenplatte 13 aufgelegt. Anschließend wird die Trägerplatte 12 in Richtung der Gegenplatte 13 bewegt, bis die Stanzkante 22 der Stanzlinie 18 auf den Bogen 30 auftrifft und diesen durchstanzt, bis die Stanzkante 22 auf der Oberseite der Gegenplatte 13 auftrifft. Der Abstand d zwischen der Schnittkante 22 und der Niederhaltefläche 20 ist so gewählt, dass er geringer ist als die Dicke des Bogens 30, so dass der Bogen 30 unmittelbar neben der Stanzlinie 18 durch die Niederhaltefläche 20 auf die Dicke d komprimiert wird.If a
Anschließend wird die Trägerplatte 12 wieder nach oben von der Gegenplatte 13 wegbewegt und der gestanzte Bogen 30 weiterbefördert.Subsequently, the
Der Abstand d zwischen der Stanzplatte 22 und der Niederhaltefläche 20 wird abhängig von der Dicke e und der Qualität der einzelnen Papierlagen und Arten des Bogens 30 aus Wellpappe bestimmt.The distance d between the
Die Breite der Niederhaltefläche 20, die in diesem Fall der Dicke a des Niederhalters entspricht, beträgt vorzugsweise 0,50 mm bis 3 mm. Die Niederhaltefläche 20 kann materialabhängig in Ausnahmen in der Breite bis 10 mm betragen.The width of the hold-down
Als Beispiel, bei einem Bogen 30, der wie in
Claims (11)
- Punching device for punching a sheet (30) of corrugated cardboard (32) of a specified thickness, comprising a support plate (12) in which at least one punching line (18) is fastened in such a way that it protrudes perpendicularly to the support plate (12) and comprises a punching edge (22) at its free, protruding end, a holding-down surface (20) that extends in parallel with the punching edge (22) being arranged adjacently to at least one longitudinal side of the punching line (18), the distance between the holding-down surface (20) and the support plate (12) being shorter than the distance between the punching edge (22) and the support plate (12),
characterised in that- the distance between the punching edge (22) and the holding-down surface (20) is between 0.40 mm and 2.00 mm, depending on the compressed thickness of the sheet (30) to be punched, and- the holding-down surface (20) consists of a non-resilient hard material. - Punching device according to claim 1, characterised in that the holding-down surface (20) is arranged adjacently to one or both longitudinal sides of the punching line (18).
- Punching device according to either claim 1 or claim 2, characterised in that the holding-down surface (20) is formed on a holding-down means which consists of the non-resilient material and is arranged adjacently to the corresponding longitudinal side of the punching line (18).
- Punching device according to either claim 1 or claim 2, characterised in that the holding-down surface forms part of the punching line.
- Punching device according to any of the preceding claims, characterised in that the non-resilient hard material has a modulus of elasticity of at least 0.20 kN/mm2.
- Punching device according to claim 5, characterised in that the hard material is steel, aluminium, an aluminium alloy or hard plastic.
- Punching device according to any of the preceding claims, characterised in that the width (a) of the holding-down surface (20) is 0.50 mm to 10.00 mm, preferably 1.00 mm to 2.00 mm.
- Punching device according to any of claims 4 to 7, characterised in that the holding-down means (16) is flat, the holding-down surface (20) forming a side face of the holding-down means (16), and the holding-down means (16) comprising a fastening end (17) on the side opposite the holding-down surface (20), at which fastening end it is fastened in a recess (14) in the support plate (12), adjacently to the punching line (18).
- Punching device according to claim 8, characterised in that the punching line (18) and the holding-down means (16) are fastened in a common recess (14) in the support plate (12).
- Method for punching a sheet (30) of corrugated cardboard, in which the distance between a punching line (18) and the sheet (30) is reduced until the punching line (18) punches through the sheet by its punching edge (22) and is positioned against a counter plate (13), the sheet (30) being compressed against the counter plate (13) directly next to the punching line (18) when being punched,
characterised in that
the compression is carried out in such a way that the thickness of the sheet (30) in the region of the compression is reduced to from 5% to 10% of the initial thickness. - Method according to claim 10, characterised in that the compression is carried out along the entire length of the punching line (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL15155924T PL2913169T3 (en) | 2014-02-27 | 2015-02-20 | Punch and method for punching corrugated board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014102552.0A DE102014102552B4 (en) | 2014-02-27 | 2014-02-27 | Punching device and method for punching corrugated cardboard |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2913169A1 EP2913169A1 (en) | 2015-09-02 |
| EP2913169B1 true EP2913169B1 (en) | 2017-11-01 |
Family
ID=52544349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP15155924.2A Active EP2913169B1 (en) | 2014-02-27 | 2015-02-20 | Punch and method for punching corrugated board |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP2913169B1 (en) |
| DE (1) | DE102014102552B4 (en) |
| PL (1) | PL2913169T3 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108274529A (en) * | 2018-01-25 | 2018-07-13 | 江西景旺精密电路有限公司 | A kind of prepreg cuts hole-punching integrated device and processing technology |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000288997A (en) * | 1999-03-31 | 2000-10-17 | Nippon Daisuchiiru Kk | Elastic body for crushing corrugated board and board blanking die |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB608848A (en) * | 1944-07-26 | 1948-09-22 | T & T Vicars Ltd | Improvements in cutting and embossing machinery for plastic sheet material |
| DE29822177U1 (en) * | 1998-12-11 | 1999-02-18 | Marbach Gmbh Karl | Stamping-creasing device |
| DE102005000786A1 (en) * | 2005-01-05 | 2006-07-13 | Rehau Ag + Co. | Punching tool for the production of apertures in workpieces made of thermoplastic material, punches for this purpose and method for producing such breakthroughs |
| GB2502387B (en) * | 2012-11-23 | 2014-08-06 | Automotive Insulations Ltd | Method and apparatus for providing insulation component, and insulation component formed by the method |
| DE202013100883U1 (en) * | 2013-03-01 | 2013-03-13 | Karl Marbach Gmbh & Co. Kg | Trim sheet for a steel strip punching tool |
-
2014
- 2014-02-27 DE DE102014102552.0A patent/DE102014102552B4/en not_active Expired - Fee Related
-
2015
- 2015-02-20 EP EP15155924.2A patent/EP2913169B1/en active Active
- 2015-02-20 PL PL15155924T patent/PL2913169T3/en unknown
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000288997A (en) * | 1999-03-31 | 2000-10-17 | Nippon Daisuchiiru Kk | Elastic body for crushing corrugated board and board blanking die |
Also Published As
| Publication number | Publication date |
|---|---|
| PL2913169T3 (en) | 2018-03-30 |
| DE102014102552B4 (en) | 2015-10-22 |
| DE102014102552A1 (en) | 2015-08-27 |
| EP2913169A1 (en) | 2015-09-02 |
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