EP0808224B1 - Deep-drawing tool with integral holding-down device - Google Patents
Deep-drawing tool with integral holding-down device Download PDFInfo
- Publication number
- EP0808224B1 EP0808224B1 EP96901787A EP96901787A EP0808224B1 EP 0808224 B1 EP0808224 B1 EP 0808224B1 EP 96901787 A EP96901787 A EP 96901787A EP 96901787 A EP96901787 A EP 96901787A EP 0808224 B1 EP0808224 B1 EP 0808224B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hold
- deep
- drawing tool
- down device
- stamp
- 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
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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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
- B21D22/22—Deep-drawing with devices for holding the edge of the blanks
-
- 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
- B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
- B21D24/04—Blank holders; Mounting means therefor
Definitions
- the invention relates to a deep-drawing tool according to the The preamble of claim 1 as in JP-A-63 140 728 disclosed.
- the hold-down device is movable separately from the stamp and should be on sit on the deep-drawn sheet and hold it down, while the stamp moves down and pulls the sheet into the deep-drawing mold with deformation.
- the downholders known to date have the disadvantage that that the hold-down devices consist of a metal tool, which is loaded with its own press, so that this sheet is held at a relatively high pressure becomes.
- the invention is based on the object Manufacture deep-drawing tools more cost-effectively.
- the main advantage is achieved that on one Drive for the hold-down device itself is dispensed with at all can be. It has now been found that certain materials are best suited for the hold-down devices are a corresponding holding force on the to produce sheet metal to be held, this material so is highly deformable that while held Sheet (with high hold-down pressure) the stamp in the required Drive the deformation path into the mold can.
- Polyurethane foam is used, which has a high resilience from e.g. 50%.
- a plastic material is preferred as the material for the brake shoes used, which according to the requirements adjustable with different holding properties is.
- So z. B. can be used as a plastic material a polyethylene, a polyurethane or the like. Each depending on the material used, there is a certain one Friction coefficient on contact with the sheet to be held.
- the brake shoe as a circumferential ring is formed, on which the piece is distributed around the circumference hold down the arranged hold-down device. It can hence the hold-down force through change the type of material and the dimensions of the hold-down device to be changed. It is important that the brake shoe can deform slightly elastically, to adapt to the peripheral edge of the deep-drawn part to be able to.
- thermoforming machines are built because on its own drive for the hold-down device can be dispensed with.
- stamp 1 shows a deep-drawing tool 1 not according to the invention, which is known per se from one in the Direction of arrow 12 driven and raised There is stamp 3, which carries a stamp tool 4.
- each hold-down is designed approximately as a stamp, which stamp is round, square, oval or in another way can be profiled and made of an elastomer body 6 exists.
- the hold-down devices are preferably elongated and approximately cylindrical.
- This elastomer body is said to have a relatively high resilience have to ensure that when entering of the stamp 3 in the direction of arrow 12 down at the same time the elastomer body 6 deformed so much, that he has a high hold-down force on the deep-drawn part 10 exercises, but at the same time the elastomer body 6 in comes together because he prefers a plastic foam is formed.
- each Elastomer body 6 integrally formed a brake shoe 8, which either glued as an independent plastic part or is mechanically connected to the elastomer body.
- the brake shoe integrally connected to the elastomer body is and in the same foaming process with different Hardness was produced.
- Hold-down devices can be dispensed with at all can, because the hold-down 5 piece by piece on the circumference are distributed.
- the recesses 7 can be at different heights or with different depths at the same height of assigned hold-downs to the Hold-down force at one point compared to one influence other place.
- Figure 2 shows that around the stamp 3 around circumferential groove 13 is formed, in which groove the previously mentioned recesses 7 for receiving the hold-down device 5 are formed.
- Figure 3 shows that the brake shoe is not only piece by piece each on the underside of the elastomer body can be formed, but that the brake shoe as Brake shoe ring 9 can be formed on the piece put the hold-down 5 on.
- This brake shoe ring is preferably made of an elastomeric plastic material trained, which the circumferential edge adapts in the area of the die 11.
- FIGS. 4, 5 there is also an irregular distribution the hold-down 5 possible in stamp 3.
- the figures show that the hold-down 5 is not must be installed at the same height. It is of course not necessary, the hold-down to attach on a circle, but it can be any any geometric shape can be selected.
- the hold-down devices are 5 not only with a brake shoe 8 but also with one Provide intermediate piece 14, the same as the brake shoe 8th manufactured in one piece with the hold-down can be or manufactured by him and then in appropriately attached.
- This intermediate piece can e.g. for setting special suspension and damping characteristics the hold-down 5 serve.
- the die 2 is at the opposite point provided with a counter holder 15.
- the present invention thus becomes inexpensive Thermoforming tool that can be manufactured and used flexibly provided.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
- Manipulator (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Passenger Equipment (AREA)
- Food-Manufacturing Devices (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
Abstract
Description
Gegenstand der Erfindung ist ein Tiefziehwerkzeug nach dem
Oberbegriff des Anspruchs 1, wie in JP-A-63 140 728
offenbart.The invention relates to a deep-drawing tool according to the
The preamble of
Bei bisher bekannten Tiefziehwerkzeugen ist der Niederhalter getrennt von dem Stempel bewegbar und soll auf das tiefzuziehende Blech aufsitzen und dieses Blech niederhalten, während gleichzeitig der Stempel nach unten fährt und das Blech unter Verformung in die Tiefziehform hineinzieht.In the case of previously known deep-drawing tools, the hold-down device is movable separately from the stamp and should be on sit on the deep-drawn sheet and hold it down, while the stamp moves down and pulls the sheet into the deep-drawing mold with deformation.
Bei den bisher bekannten Niederhaltern besteht der Nachteil, daß die Niederhalter aus einem Metallwerkzeug bestehen, welches mit einer eigenen Presse beaufschlagt wird, so daß mit relativ hohem Druck dieses Blech festgehalten wird.The downholders known to date have the disadvantage that that the hold-down devices consist of a metal tool, which is loaded with its own press, so that this sheet is held at a relatively high pressure becomes.
Die Ausbildung des Niederhalters mit einer eigenen Presse (Preßstempel) hat aber den Nachteil, daß das Werkzeug sehr aufwendig ist und sehr kostspielig herzustellen ist.Training the hold-down device with its own press (Press ram) has the disadvantage that the tool is very is complex and is very expensive to manufacture.
Der Erfindung liegt die Aufgabe zugrunde, ein Tiefziehwerkzeug kostengünstiger herzustellen.The invention is based on the object Manufacture deep-drawing tools more cost-effectively.
Zur Lösung der gestellten Aufgabe ist die Erfindung durch
die technische Lehre des Anspruches 1 gekennzeichnet.To achieve the object, the invention is completed by
characterized the technical teaching of
Weitere Ausgestaltungen der Erfindung sind den Unteransprüchen zu entnehmen. Further embodiments of the invention are the See subclaims.
Es wird der wesentliche Vorteil erreicht, daß auf einen Antrieb für den Niederhalter selbst überhaupt verzichtet werden kann. Es wurde nun herausgefunden, daß bestimmte Materialien für die Niederhalter bestens geeignet sind, eine entsprechende Festhaltekraft auf das festzuhaltende Blech zu erzeugen, wobei dieses Material so stark verformbar ist, daß bei gleichzeitig festgehaltenem Blech (mit hohem Niederhaltedruck) der Stempel in dem geforderten Verformungsweg in das Formwerkzeug einfahren kann.The main advantage is achieved that on one Drive for the hold-down device itself is dispensed with at all can be. It has now been found that certain materials are best suited for the hold-down devices are a corresponding holding force on the to produce sheet metal to be held, this material so is highly deformable that while held Sheet (with high hold-down pressure) the stamp in the required Drive the deformation path into the mold can.
Als Material für die Elastomerkörper wird bevorzugt ein Polyurethanschaum verwendet, der ein hohes Rückstellvermögen von z.B. 50% aufweist.A is preferred as the material for the elastomer body Polyurethane foam is used, which has a high resilience from e.g. 50%.
Als Material für die Bremsbacken wird bevorzugt ein Kunststoffmaterial verwendet, welches entsprechend den Erfordernissen mit unterschiedlichen Halteigenschaften einstellbar ist. So kann z. B. als Kunststoffmaterial verwendet werden ein Polyäthylen, ein Polyurethan oder dergleichen mehr. Je nach dem verwendeten Material ergibt sich ein bestimmter Reibungskoeffizient bei Kontakt mit dem zu haltenden Blech.A plastic material is preferred as the material for the brake shoes used, which according to the requirements adjustable with different holding properties is. So z. B. can be used as a plastic material a polyethylene, a polyurethane or the like. Each depending on the material used, there is a certain one Friction coefficient on contact with the sheet to be held.
Man kann bei einem kompliziert geformten Tiefziehteil die Art des Niederhalters verändern, in dem z. B. an der einen Seite Niederhalter mit hohem Rückstellvermögen und an der anderen Seite Niederhalter mit niedrigem Rückstellvermögen verwendet werden, so daß an der Seite, wo die Niederhalter mit niedrigen Rückstellvermögen vorhanden sind, hohe Federkraft und damit eine hohe Haltekraft auf das Tiefziehteil ausgeübt wird, während an der gegenüberliegenden Seite, wo die Niederhalter mit hoher Rückstellkraft verwendet werden, eine geringere Niederhaltekraft auf das Tiefziehteil ausgeübt wird.You can with a complicated shaped deep-drawn part change the type of hold-down in which z. B. at the one side hold-down with high resilience and on the other hand hold-down device with low resilience used so that on the side where the Hold-down devices with low resilience are available high spring force and thus a high holding force on the Thermoformed part is exercised while on the opposite Side where the hold-down with high restoring force used a lower hold-down force on the Thermoformed part is exercised.
Es ist möglich, die Art und Ausgestaltung der Bremsbacken zu ändern. It is possible to change the type and design of the brake shoes to change.
In einer Ausgestaltung der Erfindung ist es vorgesehen, daß die Bremsbacke als umlaufender Ring ausgebildet ist, auf dem stückweise die am Umfang verteilt angeordneten Niederhalter aufsitzen. Es kann demzufolge auch die Niederhaltekraft durch Veränderung der Materialart und der Abmessungen der Niederhalter verändert werden. Hierbei ist wichtig, daß sich die Bremsbacke leicht elastisch verformen kann, um sich dem umlaufenden Rand des Tiefziehteils anpassen zu können.In one embodiment of the invention, it is provided that the brake shoe as a circumferential ring is formed, on which the piece is distributed around the circumference hold down the arranged hold-down device. It can hence the hold-down force through change the type of material and the dimensions of the hold-down device to be changed. It is important that the brake shoe can deform slightly elastically, to adapt to the peripheral edge of the deep-drawn part to be able to.
Bei der gegebenen technischen Lehre können also sehr kostengünstige Tiefziehmaschinen gebaut werden, weil auf einem eigenen Antrieb für den Niederhalter vollkommen verzichtet werden kann.With the given technical teaching can be very inexpensive thermoforming machines are built because on its own drive for the hold-down device can be dispensed with.
Im folgenden wird die Erfindung anhand von lediglich einen Ausführungswege darstellende Zeichnungen näher erläutert. Hierbei gehen aus den Zeichnungen und ihrer Beschreibung weitere erfindungswesentliche Merkmale und Vorteile der Erfindung hervor.In the following the invention is based on only one Drawings illustrating execution paths explained in more detail. Here go from the drawings and their description further features and advantages essential to the invention Invention.
Es zeigen
- Figur 1:
- schematisiert gezeichneter Schnitt durch ein Tiefziehwerkzeug,
- Figur 2:
- schematisiert die Draufsicht auf den Stempel,
- Figur 3:
- schematisiert eine Ausführungsform mit ringförmiger Bremsbacke,
- Figur 4:
- eine Ansicht gemäss
Figur 1 durch ein erfindungsgemäßes Tiefziehwerkzeug, - Figur 5:
- das Tiefziehwerkzeug gemäss
Figur 4 in geschlossenem Zustand.
- Figure 1:
- schematically drawn section through a deep-drawing tool,
- Figure 2:
- schematized the top view of the stamp,
- Figure 3:
- schematically an embodiment with an annular brake shoe,
- Figure 4:
- 2 shows a view according to FIG. 1 through a deep-drawing tool according to the invention,
- Figure 5:
- the deep-drawing tool according to Figure 4 in the closed state.
In Figur 1 ist ein nicht - erfindungsgemäßes Tiefziehwerzeug 1 dargestellt,
welches in an sich bekannterweise aus einem in den
Pfeilrichtungen 12 heb- und senkbar angetriebenen
Stempel 3 besteht, der ein Stempelwerkzeug 4 trägt.1 shows a deep-
Das Stempelwerkzeug greift in ein Formloch 2 einer
darunter angeordneten Matrize 11 ein, wobei ein Tiefziehteil
10 von dem Stempelwerkzeug 4 tiefgezogen werden
soll. Hierbei setzen am Randbereich um das Formloch
2 herum Niederhalter 5 auf dem Tiefziehteil 10 auf,
wobei jeder Niederhalter etwa als Stempel ausgebildet ist,
welcher Stempel rund, eckig, oval oder in anderer Weise
profiliert sein kann und aus einem Elastomerkörper
6 besteht. Die Niederhalter sind hierbei bevorzugt länglich
und etwa zylinderförmig ausgebildet.The stamping tool engages in a shaped hole 2
a die 11 arranged underneath, a deep-drawn
Dieser Elastomerkörper soll ein relativ hohes Rückstellvermögen
haben, um zu gewährleisten, daß beim Einfahren
des Stempels 3 in Pfeilrichtung 12 nach unten sich
gleichzeitig der Elastomerkörper 6 so stark verformt,
daß er eine hohe Niederhaltekraft auf das Tiefziehteil
10 ausübt, aber gleichzeitig der Elastomerkörper 6 in
sich zusammengeht, weil er bevorzugt aus einem Kunststoffschaum
gebildet ist.This elastomer body is said to have a relatively high resilience
have to ensure that when entering
of the
Zur weiteren Verbesserung der Niederhaltekraft ist
an der Unterseite des jeweiligen
Elastomerkörpers 6 eine Bremsbacke 8 angeformt,
die entweder als selbständiges Kunststoffteil angeklebt
oder mechanisch mit dem Elastomerkörper verbunden ist.To further improve the hold-down force
at the bottom of each
Elastomer body 6 integrally formed a
Es kann aber auch vorgesehen werden, daß die Bremsbakke werkstoffeinstückig mit dem Elastomerkörper verbunden ist und in demselben Schäumprozeß mit unterschiedlicher Härte hergestellt wurde.But it can also be provided that the brake shoe integrally connected to the elastomer body is and in the same foaming process with different Hardness was produced.
Hierbei ist also wichtig, daß auf einen getrennt angetriebenen Niederhalter überhaupt verzichtet werden kann, weil die Niederhalter 5 stückweise am Umfang verteilt angeordnet sind.It is therefore important that one is driven separately Hold-down devices can be dispensed with at all can, because the hold-down 5 piece by piece on the circumference are distributed.
Es bedarf im übrigen keiner Verteilung die auf einer
Ringfläche liegt, sondern die Niederhalter 5 können
in ihren Ausnehmungen 7 an der Unterseite des Stempels
3 in beliebiger Reihenfolge angeordnet werden.There is no need for a distribution on one
Ring surface is, but the hold-
Ebenso können die Ausnehmungen 7 auf unterschiedlichen Höhen
bzw. mit unterschiedlicher Tiefe angebracht macht werden
bei gleicher Höhe von zugeordneten Niederhaltern, um die
Niederhaltekraft an der einen Stelle in Vergleich zu einer
anderen Stelle zu beeinflussen.Likewise, the
Durch Anordnung der Niederhalter 5 in den zugeordneten
Ausnehmungen 7 sind diese leicht auswechselbar
und können entsprechend den Erfordernissen ausgetauscht
werden. By arranging the hold-
Die Figur 2 zeigt, daß um den Stempel 3 herum eine
umlaufende Nut 13 ausgebildet ist, in welcher Nut die
vorher erwähnten Ausnehmungen 7 zur Aufnahme der Niederhalter
5 ausgebildet sind.Figure 2 shows that around the
Hierbei ist erkennbar, daß z. B. die Niederhalter in
Form eines Quadrates oder Rechteckes um das Stempelwerkzeug
4 herum angeordnet sind.It can be seen that z. B. the hold-down in
Shape a square or rectangle around the
Die Figur 3 zeigt, daß die Bremsbacke nicht nur stückweise jeweils an der Unterseite des Elastomerkörpers angeformt sein kann, sondern daß die Bremsbacke als Bremsbackenring 9 ausgebildet sein kann, auf dem stückweise die Niederhalter 5 aufsetzen. Dieser Bremsbackenring ist bevorzugt aus einem elastomeren Kunststoffmaterial ausgebildet, welches sich dem umlaufenden Rand im Bereich der Matrize 11 anpaßt.Figure 3 shows that the brake shoe is not only piece by piece each on the underside of the elastomer body can be formed, but that the brake shoe as Brake shoe ring 9 can be formed on the piece put the hold-down 5 on. This brake shoe ring is preferably made of an elastomeric plastic material trained, which the circumferential edge adapts in the area of the die 11.
Gemäss den Figuren 4,5 ist auch eine unregelmässige Verteilung
der Niederhalter 5 im Stempel 3 möglich. Die Figuren
zeigen, daß die Niederhalter 5 nicht
zwingend auf derselben Höhe angebracht werden müssen. Es
ist selbstverständlich auch nicht erforderlich, die Niederhalter
auf einem Kreis anzubringen, sondern es kann jede
beliebige geometrische Form gewählt werden.According to FIGS. 4, 5 there is also an irregular distribution
the hold-
Im gezeigten Ausführungsbeispiel sind die Niederhalter
5 nicht nur mit einer Bremsbacke 8 sondern auch mit einem
Zwischenstück 14 versehen, das ebenso wie die Bremsbacke 8
materialeinstückig mit dem Niederhalter zusammen hergestellt
werden kann oder von ihm hergestellt und danach in
geeigneter Weise befestigt wird. Dieses Zwischenstück kann
z.B. zum Einstellen spezieller Federungs- und Dämpfungs-Charakteristika
des Niederhalters 5 dienen. In the exemplary embodiment shown, the hold-down devices are
5 not only with a
Die Matrize 2 ist an der gegenüberliegenden Stelle mit
einem Gegenhalter 15 versehen.The
Im Ausführungsbeispiel nach den Figuren 4,5 ist es darüber
hinaus vorgesehen, das Blech in einem ersten Tiefziehvorgang
zu verformen und anschließend, während das Blech sich
noch in der Form befindet, über einen Zusatzstempel 16
eine weitere Verformung vorzunehmen.
Dieser Zusatzstempel 16 ist hierbei im Stempel 3 gelagert.In the exemplary embodiment according to FIGS. 4, 5, it is above this
also provided the sheet in a first deep-drawing process
to deform and then while the sheet is itself
still in the form, via an
Mit der vorliegenden Erfindung wird somit ein kostengünstig herstellbares und flexibel einsatzfähiges Tiefziehwerkzeug bereitgestellt.The present invention thus becomes inexpensive Thermoforming tool that can be manufactured and used flexibly provided.
Claims (4)
- Deep-drawing tool with a plurality of hold-down devices (5), which are secured directly on the punch (3), and with a die, characterized in that each hold-down device is held exchangeably on the punch (3) and has an elastomer body which is provided with a brake pad (8) and an intermediate piece (14).
- Deep-drawing tool according to Claim 1, characterized in that the punch (3) has individual hold-down devices (5), which are separate from one another.
- Deep-drawing tool according to Claim 2, characterized in that a plurality of bodies (6) acts on a common brake pad, in particular in the form of a brake-pad ring (9).
- Deep-drawing tool according to Claim 2 or 3, characterized in that a plurality of bodies (6) with different spring behaviour is mounted and/or the manner in which the bodies (6) are mounted ensures different spring behaviour.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19503874A DE19503874A1 (en) | 1995-02-07 | 1995-02-07 | Thermoforming tool with integrated hold-down device |
DE19503874 | 1995-02-07 | ||
PCT/EP1996/000485 WO1996024449A1 (en) | 1995-02-07 | 1996-02-06 | Deep-drawing tool with integral holding-down device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0808224A1 EP0808224A1 (en) | 1997-11-26 |
EP0808224B1 true EP0808224B1 (en) | 2000-11-02 |
Family
ID=7753296
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96901787A Expired - Lifetime EP0808224B1 (en) | 1995-02-07 | 1996-02-06 | Deep-drawing tool with integral holding-down device |
Country Status (7)
Country | Link |
---|---|
US (1) | US6354131B1 (en) |
EP (1) | EP0808224B1 (en) |
JP (1) | JPH11508490A (en) |
AT (1) | ATE197258T1 (en) |
AU (1) | AU4622596A (en) |
DE (2) | DE19503874A1 (en) |
WO (1) | WO1996024449A1 (en) |
Cited By (1)
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---|---|---|---|---|
WO2016166701A1 (en) * | 2015-04-16 | 2016-10-20 | Euromeccanica S.R.L. A Socio Unico | Pressure distributor for pressing metals and die using said pressure distributor |
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DE19646122C2 (en) * | 1996-11-08 | 2003-04-10 | Forschungsges Umformtechnik | Hold-down device for the segmental control of the material flow |
JP4643777B2 (en) * | 1999-06-18 | 2011-03-02 | 日新製鋼株式会社 | Manufacturing method of metal face plate for siding material and press forming apparatus |
FR2805480B3 (en) * | 2000-02-29 | 2001-12-28 | Usinor | CLAMP FOR SHEET USED IN THE FIELD OF STAMPING AND MORE PARTICULARLY IN THE FIELD OF CUTTING |
GB0119206D0 (en) * | 2001-08-06 | 2001-09-26 | Giantcode Tools As | Blank holder means for drawing press |
DE10160410A1 (en) * | 2001-12-10 | 2003-06-18 | Schuler Smg Gmbh & Co Kg | Deep Drawing Press |
US6668612B2 (en) * | 2002-02-21 | 2003-12-30 | General Motors Corporation | Device for holding a sheet metal blank in a forming press |
JP4085828B2 (en) | 2003-01-31 | 2008-05-14 | 株式会社ジェイテクト | Torque detection device |
JP3983194B2 (en) * | 2003-04-01 | 2007-09-26 | トヨタ自動車株式会社 | Press mold |
US7980158B1 (en) * | 2007-04-19 | 2011-07-19 | The United States Of America As Represented By The Secretary Of The Army | Polyurethane press tooling components |
JP4306774B2 (en) * | 2007-08-20 | 2009-08-05 | トヨタ自動車株式会社 | Press molding die and press molding method |
JP5073413B2 (en) * | 2007-08-21 | 2012-11-14 | 本田技研工業株式会社 | Press mold |
JP2010167480A (en) * | 2009-01-26 | 2010-08-05 | Honda Motor Co Ltd | Press-forming die and press-forming method |
FR3018709B1 (en) * | 2014-03-20 | 2016-03-25 | Peugeot Citroen Automobiles Sa | TOOLING FOR BONDING FOR CONFORMING A BENT PIECE |
JP5934272B2 (en) * | 2014-03-20 | 2016-06-15 | 富士重工業株式会社 | Hot press deep drawing method and apparatus |
CN111201093B (en) * | 2017-10-12 | 2022-08-02 | 日本制铁株式会社 | Method and apparatus for manufacturing outer panel having characteristic line |
EP3904047A4 (en) * | 2019-02-07 | 2022-02-23 | Mitsubishi Heavy Industries, Ltd. | Method and device for molding laminate |
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US1970134A (en) * | 1932-07-29 | 1934-08-14 | Oilgear Co | Hydraulic press |
FR884771A (en) * | 1940-02-12 | 1943-08-26 | Helfeda S A | Stamping process and device for its implementation |
US2321075A (en) * | 1941-06-10 | 1943-06-08 | Brewster Aeronautical Corp | Means for forming sheet metal |
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JPS63140728A (en) * | 1986-12-01 | 1988-06-13 | Hitachi Ltd | Two stage drawing die |
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-
1995
- 1995-02-07 DE DE19503874A patent/DE19503874A1/en not_active Withdrawn
-
1996
- 1996-02-06 US US08/875,841 patent/US6354131B1/en not_active Expired - Fee Related
- 1996-02-06 DE DE59606093T patent/DE59606093D1/en not_active Expired - Lifetime
- 1996-02-06 JP JP8523973A patent/JPH11508490A/en active Pending
- 1996-02-06 AT AT96901787T patent/ATE197258T1/en not_active IP Right Cessation
- 1996-02-06 WO PCT/EP1996/000485 patent/WO1996024449A1/en active IP Right Grant
- 1996-02-06 AU AU46225/96A patent/AU4622596A/en not_active Abandoned
- 1996-02-06 EP EP96901787A patent/EP0808224B1/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2016166701A1 (en) * | 2015-04-16 | 2016-10-20 | Euromeccanica S.R.L. A Socio Unico | Pressure distributor for pressing metals and die using said pressure distributor |
Also Published As
Publication number | Publication date |
---|---|
DE19503874A1 (en) | 1996-08-08 |
JPH11508490A (en) | 1999-07-27 |
ATE197258T1 (en) | 2000-11-15 |
WO1996024449A1 (en) | 1996-08-15 |
AU4622596A (en) | 1996-08-27 |
US6354131B1 (en) | 2002-03-12 |
EP0808224A1 (en) | 1997-11-26 |
DE59606093D1 (en) | 2000-12-07 |
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