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EP1650050B1 - Ensemble pour l'alimentation d'air sous pression à un dispositif d'estampage - Google Patents

Ensemble pour l'alimentation d'air sous pression à un dispositif d'estampage Download PDF

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Publication number
EP1650050B1
EP1650050B1 EP20050108868 EP05108868A EP1650050B1 EP 1650050 B1 EP1650050 B1 EP 1650050B1 EP 20050108868 EP20050108868 EP 20050108868 EP 05108868 A EP05108868 A EP 05108868A EP 1650050 B1 EP1650050 B1 EP 1650050B1
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EP
European Patent Office
Prior art keywords
valve
housing
embossing device
unit
compressed air
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
Application number
EP20050108868
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German (de)
English (en)
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EP1650050A3 (fr
EP1650050A2 (fr
Inventor
Dimitrius Sidiropoulos
Johannes Nothelfer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Borries Markier-Systeme GmbH
Borries Markier Systeme GmbH
Original Assignee
Borries Markier-Systeme GmbH
Borries Markier Systeme GmbH
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
Priority claimed from DE200420016288 external-priority patent/DE202004016288U1/de
Application filed by Borries Markier-Systeme GmbH, Borries Markier Systeme GmbH filed Critical Borries Markier-Systeme GmbH
Publication of EP1650050A2 publication Critical patent/EP1650050A2/fr
Publication of EP1650050A3 publication Critical patent/EP1650050A3/fr
Application granted granted Critical
Publication of EP1650050B1 publication Critical patent/EP1650050B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
    • B44B5/00—Machines or apparatus for embossing decorations or marks, e.g. embossing coins

Definitions

  • the present invention relates to a unit for connecting compressed air for a compressed air supply embossing device, according to the preamble of claim 1, and an embossing device with such a unit.
  • the known embossing device has a relation to the die 3 arranged displaceable firing pin 4, which is spaced in the "sharp" state of the embossing device with its face 4 'of the impact surface 3' of the die 3, wherein the Impact bolt 4 in the opposite direction of the face 4 'facing, for striking the firing pin 4 on the impact surface 3' of the die bolt 3 acted upon with compressed air working surface 4 "The firing pin 4 limited on the one hand with its club face 4 'an expansion space 6 and on the other hand with its working surface
  • the embossing punch 1 and the firing pin 4 are arranged in a common, hand-gras
  • the operation of the known embossing device is as follows. After (one-time) connection of the compressed air passes through the gap 2 between the firing pin 4 and the tubular housing 8 from the working space 7 in the expansion space 6 and presses the punch 3 with the seal of the sealing valve 5 against the housing 8. Since same pressure in Expansion space 6 and in the working space 7 is present, the return spring 11 forces the firing pin 4 in the rear, in the Fig. 1 illustrated basic position. The embossing device is thus "sharp".
  • the Stem stamp 3 pushed back and the pressure in the expansion chamber 6 can escape very quickly through the now open seal valve 5 and not shown by lateral holes in the front head 9 of the embossing device.
  • the gap 2 between the firing pin 4 and the housing 8 is only very small, and therefore the compressed air can not pass fast enough past the firing pin 4 in the expansion space 6 of the housing 8. Consequently, the firing pin 4 is thrown against the weak return spring 11 forward against the die 3, where it hits the die 3 as a hammer, and the total impact energy is transferred via the die 1 on the workpiece to effect the stamping.
  • the US 2 457 930 A discloses a unit for the connection of compressed air as a component of a device for inserting shock absorption pads, which is arranged a hand-engageable tubular housing in which a pressurizable with the compressed air pin in the longitudinal direction of the housing, a valve for alternately blocking and releasing the compressed air supply the embossing device and a valve operating member cooperating with the valve, which comprises a hand contact part arranged externally on the housing, which is resiliently biased into a rest position in which the valve is closed, and which is adapted, when grasping the embossing device, by hand into a Open position in which the valve is open.
  • the bolt is a striker which separates the housing into a working space and an expansion space and that a valve is provided for blow-releasing venting of the expansion space.
  • the object of the invention is to reliably prevent false triggering of a pneumatic embossing device.
  • the invention is based on the finding that the security problems described above are associated with the circumstance that in the known embossing device the "sharp" pressurized state can exist without the device being picked up.
  • An inventively equipped embossing device has improved reliability, since they can be placed only consciously and with proper handling in a "sharp" pressurized state.
  • the invention not only reduces risks that arise when unconsciously handling the device, but also risks due to deliberate disregard of the operating instructions, as there are fewer opportunities to "fool around" with the device. Even with adjustments (eg changing the stamping die), if the device is held in a different manner than during stamping work and this may not be separated from the compressed air source, creating a dangerous situation in the conventional construction, this danger situation by the invention significantly reduced.
  • the opening position (the “sharp” state) is given by a position of the hand contact part directed towards the housing, and in particular when the valve actuating member is a lever having a longitudinally extending on the housing elongated arm, which forms the hand-contact part and is preferably movable transversely to the housing.
  • valve actuator does not have to be a lever, but may, for example, have a flat mushroom-shaped head as a hand-contact part, which protrudes somewhat from the housing at a location where the embossing device is to be gripped with proper handling and operates the valve as it is pushed in.
  • embossing devices Another problem with known embossing devices is that after triggering a regular strike the firing pin 4 is front and in the working chamber 7 and expansion chamber 6 full system pressure prevails. After removal of the compressed air source from the embossing device, this system pressure must be completely relieved and the firing pin 4 must again be in the rear basic position Fig. 1 stand before the safe state is restored. Since compressed air flowing in from the working space 7 pushes the embossing punch bolt 3 forward again immediately after lifting the embossing punch 1 from the workpiece and closes the expansion space 6, the system pressure builds up again in the working space 7 and in the expansion space 6 before the compressed-air source is disconnected. Thus, the embossing device is again sharp despite the compressed air source and precautions must be taken to reduce this pressure again.
  • FIGS. 2 to 2B there is shown a first embodiment of an improved safety embossing apparatus in accordance with the present invention, wherein the front portion including the embossing punch, stamper and head has been omitted for simplicity.
  • the rear portion 22 of the embossing device comprising the tubular housing 8, the working space 7, the firing pin 4 with its face 4 'and its pressurizable working surface 4 ", the gap 2, the return spring 11 and the expansion space 6 (which is only partially shown ) corresponds to the rear section of the DE 37 39 539 C2 known device and will not be explained further here.
  • the mode of action of the sections is similar to that DE 37 39 539 C2 and is therefore omitted to avoid repetition.
  • a unit generally designated by reference numeral 20, interposed between a nozzle 21 for the supply of compressed air and the rear portion 22 of the stamping device.
  • the unit 20 which may be formed separately from the rear portion 22, is in place 46 sealingly connected to this.
  • the unit 20 comprises a hand-operated valve, which is formed by a plunger 24 and a seal 25 and is actuated by a lever 23.
  • the lever 23 has an ergonomically shaped arm 23 'which constitutes a hand contact part and is pivotally mounted on an axle 26 in the unit 20 and can be moved by a lever slot 27 in the unit 20 along the direction of the housing axis to the plunger 24th to apply a linear movement along the housing axis.
  • the plunger 24 is pressed by a first compression spring 28, so that in the rest position, the seal 25 seals the valve seat 29.
  • the valve seat 29 surrounds, as in the FIGS. 2A and 2B can be seen, at least one compressed air bore 30 and a plunger bore 31, which are formed in the unit 20.
  • a further compressed air bore 30 ' is shown, wherein the compressed air bores 30 and 30' are arranged symmetrically to the lever slot 27.
  • the compressed air holes 30 and 30 ' provide in the open state of the hand-operated valve, a passage available through which the compressed air from the compressed air source (not shown) in the working space 7 and the expansion space 6 of the embossing device can penetrate.
  • a breather valve comprising a breather seal 32 and a second compression spring 33 disposed between the breather seal 32 and a projection 34 of the lever 23, the breather seal 32 being formed with a vent 35 in FIG complete the rear section 22 of the embossing device.
  • the vent opening 35 can also be provided in the unit 20, in which case the lever arrangement is correspondingly kinematically adapted. In the latter variant it is avoided that the housing 8 of the embossing device in the event of retrofitting a conventional embossing device subsequently is bored.
  • the operation of the improved safety stamping device according to the first embodiment of the invention is as follows. At rest, the hand-operated valve is closed, so that the compressed air can not penetrate into the working space 7 of the device. If the embossing device is taken by a user in the hand, this, in order to connect the compressed air supply, the lever 23 manually press in the direction of the housing 8 to move the plunger 24 against the pressure of the first compression spring 28 in the direction of the nozzle 21 and to separate the seal 25 connected to the plunger 24 from the valve seat 29. Thus, the path for the compressed air through the compressed air holes 30 and 30 'in the working space 7 of the embossing device is released and this, as described in connection with the prior art, made "sharp".
  • the "crisp" pressurized state can be avoided when the device is picked up without being deliberately set to a “sharp” pressurized state.
  • the bleed valve In the event that the bleed valve is present, it operates countercyclically to the hand-operated valve, so that the bleed valve is closed when the lever 23 is pressed in the direction of the housing 8 to open the hand-operated valve, and is opened, to ensure a rapid pressure reduction in the working space 7 or in the unit 20 (if the vent opening is present in this), when the lever 23 in its rest position of the Fig. 2 , away from the housing 8, returns.
  • the embossing device with improved safety can again be completely "blurred" when the compressed air supply is deliberately switched off by the user.
  • FIG. 2C A modification of the first embodiment of Fig. 2 is in Fig. 2C shown, with the only difference to this embodiment, the vent seal 32 and the second compression spring 33 are combined into a part whose elasticity is sufficient as a "travel". Also in this modification can advantageously be provided in the case of the retrofitting of conventional embossing devices, the vent opening 35 in the unit 20, in which case the lever assembly is accordingly kinematically adapt.
  • FIG. 3 A second embodiment of the embossing device with improved safety is explained. Basically, the second embodiment is similar to the first embodiment. Therefore, only the features deviating from the first embodiment will be described and denoted by different reference numerals.
  • a spool valve 40 is used, which is movable in the unit 20 in a corresponding bore 43 perpendicular to the housing axis.
  • the slide valve 40 is analogous to the valve of the first embodiment by the third compression spring 44 in its rest position, as in the Fig. 3 shown, pressed, so that the compressed air supply from the nozzle 21 to the working space 7 is interrupted. If, by manual pressure on the arm 23 ', the lever 23 is pivoted in the direction of the housing 8 about the axis 41 and the slide valve 40 assumes a lower position in the bore 43, compressed air can flow past the groove 42 into the working space 7. The lever 23 returns to its rest position by the action of the third compression spring 44 when the manual pressure is released.
  • the vent valve operates countercyclically analogous to the vent valve to the first embodiment.
  • Fig. 4 is a third embodiment of Embossing device with improved safety of the invention explained.
  • the third embodiment is similar to the second embodiment of the invention, except that the vent valve has been omitted.
  • the fourth embodiment is similar to the second embodiment except that the bleed valve is implemented in the spool valve 40.
  • the passages 47 and 48 in conjunction with the lower portion 49 of the spool valve 40, form a vent valve that operates counter-cyclically to the spool valve, obstructing the path from the working space 7 to the outside through the passages 47 and 48 through the lower portion of the spool valve 40, when the slide valve 40 opens by pressing the lever 23 downwards in the direction of the housing 8.
  • the path from the working space 7 to the outside via the passages 47 and 48 is opened when the slide valve 40 returns to its rest position.
  • the fifth embodiment of the third embodiment of the invention resembles the Fig. 4 Apart from the fact that for venting the working space 7 at least one opening 50 in the annular housing 8 in the height of the firing pin 4 in the rear basic position of Fig. 1 is provided.
  • the opening 50 is dimensioned on the one hand, taking account of the gap 2, that in the "sharp" pressurized state of the embossing device, a relatively small amount of compressed air can escape and that the pressure drop in the working chamber 7 and expansion chamber 6 can be easily compensated.
  • the opening 50 is dimensioned so that after triggering the embossing process, when the firing pin 4 is thrown forward, the Compressed air from the working space 7 can escape in a few seconds to restore the safe state quickly. Furthermore, the unwanted shock triggering is already inhibited by the opening 50 to the outside already when operating the valve 40 for the compressed air inlet in the following manner: As soon as the firing pin 4 moves slightly forward, it releases the opening 50 to the outside and the incoming air can escape from the working space 7. This function is more effective, the slower the compressed air flows. Since the system pressure builds up gradually over the gap 2, also in the expansion space 6, the firing pin 4 returns to the rear basic position and "closes" the opening 50 again. The embossing device is now armed when the valve is manually operated. The solution approach with the opening 50 can also in connection with the first embodiment of Fig. 2 are used, by the omission of the vent seal 32 and the second compression spring 33rd
  • the lever 23 has two arms 23 ', 23 "on opposite sides of the axis 41', namely an arm 23 ', which represents the hand-contact part, and an arm 23", which is connected to a slide valve 40', which in a mating bore extends in the rear portion 22 'of the embossing device, which extends transversely to the longitudinal direction of the embossing device to the air supply opening 21'.
  • the lever 23 is held by a spring, not shown, normally in a position spaced from the housing 8 rest position in which the air supply opening 21 'is closed by the slide valve 40'.
  • the gate valve 40' is opened.
  • an opening 50 'in the housing 8 at the level of the position of the rear basic position of the firing pin 4 is provided, which can escape after the blow and the only then completed closure of the compressed air connection by releasing the hand lever continues to prevail in the interior of the embossing system system pressure to the outside the embossing device is no longer "sharp". Even if the firing pin 4 obscures the opening 50 ', there is no complete closure of the opening 50' because of the gap 2, but this leakage is extremely low because of the very small gap size and anyway only lasts until the impact is triggered, ie it can be out of air consumption To be considered.
  • FIGS. 8 and 9 show additional measures in the head area of the housing 8, which can be made in all the embodiments described above, to prevent unwanted shock triggering even under special circumstances such as dynamic movements of the embossing device.
  • the embossing punch bolt 3 is driven forward by a helical spring 60 which extends between the head 9 of the embossing device and a locking nut 14 for the embossing punch 1 around the embossing punch 3, ie, in the longitudinal direction of the housing 8 to the outside, so that the expansion space. 6 is securely sealed by the non-illustrated seal on the stamping punch 3 and is always opened only when the embossing device is pressed against a workpiece.
  • a return spring 11 'for the firing pin 4 which is tapered at the front to attack behind the stamping punch bolt 3 and to drive it forward.
  • the return spring 11 'of Fig. 9 can also be installed in isolation without the hand-operated valve or the slide valve in embossing device in which Locking and releasing the compressed air supply for other considerations (eg due to further mechanical safety precautions) is not required.
  • FIGS. 8 and 9 shown constructive additions have the consequence that the expansion chamber 6 is securely sealed even in any working position of the embossing device (in particular built-in appliances are often installed hitting upwards vertically). If now the compressed air is switched by a manually operated valve from the rear, although the firing pin 4 is first pressed forward, but it must compress the air in the expansion space 6 and is thereby braked. When the pressure at the front has reached the system pressure, then outweighs the force of the return spring 60 and 11 'for the firing pin 4.
  • the working space volumes front and rear, the gap 2 of the firing pin 4 to the tubular housing 8, the free path lengths front and rear and the characteristic of the return spring 60 and 11 ' are coordinated so that in the entire working pressure range up to 6 bar, at any position of the embossing device to gravity and for any rapid connection of the compressed air of the firing pin 4 under any circumstances until the die 3 after can be moved forward.
  • This front, position-independent closure of the working space has the advantage, in particular with built-in appliances, that the systems become insensitive to slow pressure build-up when first switched on.
  • This is relatively common because built-in devices often have long installation lines with multiple devices and / or other consumers.
  • the embossing punch bolt 3 does not close, as in the case of a rapid rise, but very often a noisy oscillation occurs (vibration of the embossing punch bolt 3 directly in front of the outlet opening) quite similar to that of a wind instrument with a reed.
  • the return spring for the embossing punch 3 is not executed as a separate spring, but in the form of a taper of the already existing return spring 11 'for the return of the firing pin 4.
  • This variant has the advantage that a spring break almost always affected the normal work function and thus immediately noticed.
  • valve 24, 25 or 40 and / or valve actuator 23 which provide a defined delayed opening rate by not directly effecting the valve opening but being released by another source of energy.
  • a valve 24, 25 or 40 and / or valve actuator 23 which provide a defined delayed opening rate by not directly effecting the valve opening but being released by another source of energy.
  • the other source of energy for actuation may be, for example, a preloaded spring or the compressed air supply itself. In this design principle is achieved on the constructive forced gradual opening of the compressed air supply of the working chamber 7, that builds on the gap 2, the pressure in the expansion chamber 6 and the firing pin 4 only undergoes a slight acceleration or movement performs.
  • FIG. 10 An embodiment of such a delayed valve opening is in the Fig. 10 shown.
  • This embodiment is similar to the third embodiment of FIG Fig. 4 but with a spool valve 40 "substantially integral with a seal 62 airtight in the opening 43 sits.
  • the lever 23 acts here not directly on the slide valve 40 ", but via a spring 63.
  • the slide valve 40" Upon actuation of the lever 23, the slide valve 40" is pressed into the more or less closed, formed as a blind hole space 64 under the slide valve 40 " very small vent hole 65 of the space 64 still allows some air to escape to the outside, the groove 42 'in the upper part of the spool valve 40 "the air access to the working space 7 only gradually and not abruptly releases, regardless of the operating speed of the lever 23.
  • a return spring 66 in the blind hole brings the spool valve 40 "back to the starting position when the lever 23 is released because the spring 63 is so short that it no longer acts when the lever 23 is released ..
  • the vent hole 65 could also fit between spool valve 40 "and opening 43 are dimensioned so that thereby the air escapes gradually. This eliminates the seal 62, but requires higher manufacturing accuracy.
  • check valves 70 it is expedient to carry out such air outlets in the head region of the housing 8 as check valves 70, as in the Fig. 11 shown.
  • check valves 70 can at the return stroke of the firing pin 4 at any time air flow into the housing 8, but they close during the forward stroke of the firing pin 4, so that the Clearschlag inhibiting air cushion anyway can build up.

Landscapes

  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Inking, Control Or Cleaning Of Printing Machines (AREA)

Claims (15)

  1. Unité (20) pour la mise en circuit d'air comprimé comme composant d'un dispositif d'estampage avec alimentation en air comprimé, qui présente un boîtier (8) en forme de tube, pouvant être saisi manuellement, dans lequel un boulon à percussion (4) pouvant être alimenté avec l'air comprimé est disposé de façon coulissante dans le sens longitudinal du boîtier (8), lequel boulon sépare le boîtier en un espace de travail (7) et un espace d'expansion (6), et une vanne (5) pour la ventilation déclenchant la percussion de l'espace d'expansion, caractérisée en ce que l'unité (20) présente une vanne (24, 25; 40) actionnée manuellement pour le blocage et la libération alternatifs de l'alimentation en air comprimé sur le dispositif d'estampage et un élément d'actionnement de vanne (23) coopérant avec la vanne (24, 25; 40), qui comprend une partie de contact manuel (23') disposée à l'extérieur du boîtier (8), laquelle partie est pré-tendue dans une positon de repos, dans laquelle la vanne (24, 25; 40) est fermée, et qui est équipée pour parvenir, lors de la saisie du dispositif d'estampage avec la main, dans une position d'ouverture, dans laquelle la vanne (24, 25; 40) est ouverte.
  2. Unité (20) selon la revendication 1, la position de repos étant donnée par une position, dirigée à partir du boîtier (8), de la partie de contact manuel (23') et la position d'ouverture étant donnée par une position, orientée en direction du boîtier (8), de la partie de contact manuel (23').
  3. Unité (20) selon la revendication 1 ou 2, l'élément de commande de vanne étant un levier (23), qui présente un bras allongé agencé sur le boîtier (8), lequel bras forme la partie de contact manuel (23').
  4. Unité (20) selon la revendication 3, le bras (23') étant agencé dans le sens longitudinal du boîtier (8) et étant mobile transversalement au boîtier (8).
  5. Unité (20) selon l'une ou plusieurs des revendications 1 à 4, la vanne (24, 25) étant formée par un coulisseau (24) et un joint (25) et comprenant également un premier ressort de pression (28), lequel appuie la vanne (24, 25) dans sa position fermée, le coulisseau (24) agissant, dans la position fermée de la vanne (24, 25), sur le levier (23), de telle sorte que le levier (23) occupe sa position de repos dans une position espacée du boîtier (8).
  6. Unité (20) selon l'une ou plusieurs des revendications 1 à 4, la vanne (40) étant formée par une vanne à passage direct et comprenant également un troisième ressort de pression (44), qui appuie la vanne (40) dans sa position fermée, la vanne (40) agissant dans sa position fermée sur le levier (23), de telle sorte que le levier (23) occupe sa position de repos dans une position espacée du boîtier (8).
  7. Unité (20) selon l'une ou plusieurs des revendications précédentes, comprenant une vanne de purge (32, 33) qui est conçue, de telle sorte que l'espace de travail (7) du dispositif d'estampage est relié de façon anticyclique pour le fonctionnement de la vanne (24, 25; 40) au côté extérieur du dispositif d'estampage, lorsque l'élément d'actionnement de vanne (23) est actionné.
  8. Unité (20) selon la revendication 7, la vanne de purge (32, 33) étant mise à disposition sur le boîtier (8) du dispositif d'estampage,
    ou bien la vanne de purge (32, 33) étant mise à disposition dans l'unité (20); et de préférence des passages (47, 48) allant de l'espace de travail (7) à l'unité (20) étant prévus pour la mise en circuit de l'air comprimé et également vers le côté extérieur du dispositif d'estampage et la vanne (24, 25; 40) étant équipée pour ouvrir et fermer les passages (47, 48) de façon anticyclique pour la mise en circuit de l'air comprimé.
  9. Unité (20) selon la revendication 7 ou 8, la vanne de purge (32, 33) comprenant un joint de purge (32) et un second ressort de pression (33), qui sont disposés entre le levier (23) et le boîtier (8), de telle sorte que, dans la position de repos du levier (23), la vanne de purge (32, 33) est ouverte et, dans la position appuyée du levier (23), la vanne de purge (32, 33) est fermée.
  10. Unité (20) selon l'une ou plusieurs des revendications précédentes, l'unité (20) étant un composant séparé du dispositif d'estampage.
  11. Unité (20) selon la revendication 10, l'unité (20) comprenant des moyens d'étanchéité (46) pour la liaison étanche à l'air avec le dispositif d'estampage.
  12. Dispositif d'estampage avec entraînement par air comprimé, qui contient une unité (20) pour la mise en circuit de l'air comprimé selon l'une ou plusieurs des revendications précédentes.
  13. Dispositif d'estampage selon la revendication 12, qui est conçu sous forme d'appareil d'estampage manuel.
  14. Dispositif d'estampage selon la revendication 12 ou 13, qui contient un ressort hélicoïdal (11'; 60), qui entraîne le boulon de poinçon d'estampage (3) dans le sens longitudinal du boîtier (8) vers l'extérieur, le ressort hélicoïdal étant formé de préférence par un ressort de rappel (11') pour le boulon de percussion (4).
  15. Dispositif d'estampage selon l'une ou plusieurs des revendications 12 à 14, le boîtier (8) présentant dans une zone avant au moins un alésage étroit ou au moins un clapet anti-retour (70), qui relie l'espace d'expansion (6) au côté extérieur du dispositif d'estampage, le boîtier (8) présentant de préférence à la hauteur de la position de base arrière du boulon de percussion (4) au moins une ouverture (50 ; 50'), qui relie l'espace de travail (7) au côté extérieur du dispositif d'estampage.
EP20050108868 2004-10-20 2005-09-26 Ensemble pour l'alimentation d'air sous pression à un dispositif d'estampage Active EP1650050B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200420016288 DE202004016288U1 (de) 2004-10-20 2004-10-20 Einheit zur Zuschaltung von Druckluft für eine Prägevorrichtung
DE102004057200A DE102004057200B4 (de) 2004-10-20 2004-11-26 Prägevorrichtung mit Druckluftantrieb und Einheit zur Zuschaltung von Druckluft dafür

Publications (3)

Publication Number Publication Date
EP1650050A2 EP1650050A2 (fr) 2006-04-26
EP1650050A3 EP1650050A3 (fr) 2008-03-19
EP1650050B1 true EP1650050B1 (fr) 2012-09-12

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Application Number Title Priority Date Filing Date
EP20050108868 Active EP1650050B1 (fr) 2004-10-20 2005-09-26 Ensemble pour l'alimentation d'air sous pression à un dispositif d'estampage

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EP (1) EP1650050B1 (fr)
DE (1) DE102004057200B4 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2457930A (en) * 1944-07-17 1949-01-04 Cons Vultee Aircraft Corp Fluid pressure operated device for inserting cushion pads
DE3247577C2 (de) * 1982-12-22 1987-03-05 Helmut 8012 Ottobrunn Schreiner Pneumatische Signiereinheit
CH655837A5 (fr) * 1983-04-11 1986-05-30 Christian Cambuzat Procede et dispositif pour marquer un objet.
DE3739539C2 (de) * 1987-11-21 2000-03-09 Borries Markier Systeme Gmbh Prägevorrichtung zum Einprägen von Zeichen in eine Gegenstandsoberfläche
DE8909282U1 (de) * 1989-08-01 1989-09-14 J. Lorch Gesellschaft & Co Kg, 7035 Waldenbuch Pneumatisch betriebene Vorrichtung zur plastischen Verformung, insbesondere zum Schlagstempeln

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Publication number Publication date
DE102004057200A1 (de) 2006-04-27
DE102004057200B4 (de) 2006-08-10
EP1650050A3 (fr) 2008-03-19
EP1650050A2 (fr) 2006-04-26

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