EP0365447B1 - Verfahren und Vorrichtung zum Zusammenpressen und Steuern der Zusammenpressung von pulverförmigen Materialien und Presse zur Anwendung in diesem Verfahren - Google Patents

Verfahren und Vorrichtung zum Zusammenpressen und Steuern der Zusammenpressung von pulverförmigen Materialien und Presse zur Anwendung in diesem Verfahren Download PDF

Info

Publication number
EP0365447B1
EP0365447B1 EP89420394A EP89420394A EP0365447B1 EP 0365447 B1 EP0365447 B1 EP 0365447B1 EP 89420394 A EP89420394 A EP 89420394A EP 89420394 A EP89420394 A EP 89420394A EP 0365447 B1 EP0365447 B1 EP 0365447B1
Authority
EP
European Patent Office
Prior art keywords
force
compaction
punch
height
driving member
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
Application number
EP89420394A
Other languages
English (en)
French (fr)
Other versions
EP0365447A1 (de
Inventor
Roger Le Molaire
Dominique Henry André Gavotto
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.)
ADL AUTOMATION A RESPONSABILITE Ltee Ste
Original Assignee
ADL AUTOMATION A RESPONSABILITE Ltee Ste
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 ADL AUTOMATION A RESPONSABILITE Ltee Ste filed Critical ADL AUTOMATION A RESPONSABILITE Ltee Ste
Priority to AT89420394T priority Critical patent/ATE93768T1/de
Publication of EP0365447A1 publication Critical patent/EP0365447A1/de
Application granted granted Critical
Publication of EP0365447B1 publication Critical patent/EP0365447B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
    • B30B15/0029—Details of, or accessories for, presses; Auxiliary measures in connection with pressing means for adjusting the space between the press slide and the press table, i.e. the shut height
    • B30B15/0041—Control arrangements therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/005—Control arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/02—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses using a ram exerting pressure on the material in a moulding space
    • B30B11/027—Particular press methods or systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B33/00—Manufacture of ammunition; Dismantling of ammunition; Apparatus therefor
    • F42B33/02—Filling cartridges, missiles, or fuzes; Inserting propellant or explosive charges
    • F42B33/025—Filling cartridges, missiles, or fuzes; Inserting propellant or explosive charges by compacting

Definitions

  • the present invention relates to the compacting of pulverulent materials in a container and it relates, more particularly, to the compacting of pre-compacted or non-spilled pulverulent materials in doses which must be successively compacted in containers in the form of cases intended to constitute cartridges. with pyrotechnic effect, for example.
  • the invention relates to all applications in which or for which it is necessary to compact, compact or compress pulverulent materials placed in containers.
  • the height of the compacted material and the pressure imposed on the material constitute two criteria which play a primordial role in the behavior of the final products, during their subsequent use. Furthermore, non-compliance with these criteria, at determined values, sometimes leads to the explosion of these products during their manufacture, causing significant damage to the environment in which they are produced.
  • the cylinders are moved until the compaction and / or height values correspond to respective values of force and / or height setpoint.
  • the values of compaction and / or height are checked to ensure that they are between maximum and minimum values.
  • Document JP-A-58 187 223 describes an apparatus for controlling the compaction force comprising a screw-nut system driven in rotation by a driving member, and an oil pressure chamber interposed between the screw-nut system and the punch, and able to be moved in sliding by the screw-nut system.
  • the apparatus also includes a servo-control circuit for the drive member in relation to a set value and the measured force value.
  • a disadvantage of the presses described above resides in the fact that the latter do not make it possible to know precisely the real height of packed material and the real pressure imposed on the material. Such uncertainties on the real height of the compacted material and on the real pressure imposed on the material do not allow obtaining final products with precise and reproducible characteristics.
  • such presses by their structure, do not allow to take into account the mechanical tolerances and the elasticity of the various organs constituting it, so that the measurements carried out are always affected by errors.
  • the object of the invention is, precisely, to remedy the above drawbacks, by proposing a new compacting device adapted to precisely know the actual height of packed material and the actual pressure imposed on the material, so as to act on the punch to obtain the desired height and pressure.
  • Another object of the invention is to propose a compacting device offering a capacity for easy and precise adjustment of the height and pressure criteria, over very wide ranges of values.
  • An additional object of the invention is to provide a press designed to receive at least one compacting device according to the invention, making it possible to carry out reproducible and precise compression-compression operations in order to obtain, by machine-transfer, mass production of pyrotechnic cartridges of substantially the same characteristics.
  • a further object of the invention is to provide a method for measuring and correcting the elasticity of a suitable compacting device on a press.
  • control spindle comprises a position and angular displacement sensor of the screw-nut system, connected to the servo circuit, so that the latter controls the motor member in relation to a set height.
  • Fig. 1 is a general elevation view of a press adapted to receive an apparatus according to the invention, for controlling the compression of pulverulent materials.
  • Fig. 2 is a view, on a larger scale, similar to FIG. 1.
  • Fig. 3 is a graph illustrating the control method according to the invention and showing the change in height of the compacted doses, in relation to the compaction force exerted.
  • Fig. 4 shows two half-section views showing a characteristic detail of the invention.
  • the compacting press according to the invention is illustrated in the form of an assembly forming part of a transfer machine.
  • a transfer machine can comprise a basic structure 1 supporting guide rails 2 parallel to each other, intended to provide support, sliding and guiding of two flexible drive members 3 , such as two chains of the Galle type, established in form of two endless loops.
  • the drive members 3 are designed to ensure the movement of carriages 4 carrying containers, such as cases 5 , in front of loading stations for pulverulent products and / or compacting stations then, then, to packing stations, closing, unloading, etc.
  • This list is given only by way of limitation because a transfer machine can include as many as there are posts with functional, multiple characters, depending on the product to be manufactured.
  • the transfer machine also comprises means 6 making it possible to immobilize the carriages 4 directly above each work station.
  • the object of the invention can also be achieved in the form of a single unitary work station, without being part of a transfer machine.
  • the compacting press comprises a frame 7 , in the form of a table, supporting the basic structure 1 , and a vertical frame 8 in the form of a gantry.
  • the table 7 guides in vertical sliding a plate 9 able to be moved by a jack 10 carried by the table and assuming a rapid approach function or allowing a large passage opening.
  • the plate 9 supports at least one tubular riser 5 a for filling and centering, intended to be positioned in the extension of a case 5 .
  • the frame 8 is constituted by two uprights 11 arranged on either side of the vertical plane of symmetry P-P ' of the press. The uprights 11 rise vertically from the table 7 and are joined by a horizontal upper cross member 12 and by a cross member protective intermediate 13 .
  • the upper cross member 12 supports a main cylinder 14 , preferably of the double-acting hydraulic type.
  • the cylinder 14 comprises a piston rod 15 oriented vertically and mounted axially and angularly integral with a vertical frame 16 ensuring the support of at least one and, for example, two devices 17 for compression and control of the compaction force , arranged on either side of the plane of symmetry P-P ' .
  • the vertical frame 16 is formed by two columns 18 located symmetrically with respect to the plane P-P ' and guided in vertical sliding by bearings 19 mounted on the intermediate crosspiece 13 .
  • the columns 18 are joined by a horizontal upper cross member 21 , by a central plate 22 disposed below the intermediate cross member 13 and by a sub-plate 23 whose function will be better understood in the following.
  • Each device 17 comprises a pin 24 for controlling the compaction force and a circuit 25 for controlling the spindle, the function of which will be better understood in the following.
  • the control pin 24 is constituted by a tubular cylinder 26 formed, in the example illustrated, of three parts 26 a -26 c .
  • the cylinder 26 rises vertically from the central plate 22 and passes right through the intermediate cross member 13 through an opening 27 formed in this cross member.
  • the cylinder 26 is made integral with the central plate 22 , in any suitable manner, and ensures the mounting of a screw-nut system 28 driven in rotation by a drive member 29 .
  • the screw-nut system 28 is constituted by a rod 30 guided in rotation by bearings 31 carried by the cylinder and more particularly adapted to support axial loads.
  • the rod 30 is rotated by the motor member 29 , preferably of the electrical type, the speed of rotation of which is controlled by the servo-control circuit 25 .
  • the driving member 29 is fitted to a cap 32 which is mounted on the upper end portion 26 a of the cylinder.
  • the motor member 29 rotates the rod 30 using a pinion transmission 33 .
  • the drive member 29 can be mounted in the axial extension of the rod 30 or communicate its movement by a different transmission of all types known per se.
  • the terminal portion 30 has upper stem is mounted integral, by a direct coupling 34, a sensor 35 position and angular displacement of the rod 30, formed, for example, by a digital encoder fitted to the cap 32 .
  • the information delivered by the sensor 35 is transmitted to the control circuit 25 . It should be noted that provision could be made to associate the sensor 35 with the drive member 29 , taking account, where appropriate, of the transformation ratio of the transmission 33 .
  • the rod 30 has an end portion 30 b of less intended to cooperate with an internal thread 36 of a ring nut 37 which is angularly connected to the cylinder 26 and slidably guided in the cylinder.
  • the nut-ring 37 is linked in rotation to the cylinder 26 by keys 38 and is guided in axial displacement by a bush 39 .
  • the nut ring 37 has, at its terminal part, a thread 371 intended to receive a threaded extension 41 which is fixed to a body 42 sliding in a housing 43 .
  • the position of the body 42 is adjusted vertically in relation to the screwing of the extension 41 in the ring-nut 37 .
  • the extension 41 includes a nut 44 for locking the body in a fixed position.
  • the body 42 is provided with an upper collar 421 intended to cooperate with a sensor 45 adapted on the underside of the central plate 22 ensuring the end-of-travel positioning of the body and making it possible to determine the initialization of the encoder 35 .
  • the collar 421 of the body defines with the housing 43 a clearance authorizing the axial sliding of the body 42 in the housing 43 .
  • the body 42 is provided with a head 422 requesting a force sensor 46 mounted in the housing.
  • the force sensor 46 for example of the gauge type, is capable of delivering, to the servo circuit 25 , a signal in relation to the compressive stresses to which it is subjected.
  • the force sensor 46 is intended to be stressed in compression by means of a cylindrical pilot 48 , by a punch 51 whose general shape is determined as a function of the conformation of the case 5 and / or the effect compression, compaction or compaction to be produced or imposed on the dose or doses of powdery materials.
  • the punch 51 is mounted in a sheath 52 which is removably fitted to the housing 43 .
  • the sheath 52 passes through the sub-plate 23 while being guided axially by a ring 53 mounted on the sub-plate and making it possible to obtain the positioning of the punch 51 .
  • the compaction force control apparatus adapted on a press and described above, operates as follows.
  • the jack 14 When a dose of pulverulent material has to be packed, compressed or compacted inside the case 5 into which it has been poured by any suitable means, the jack 14 is supplied, so as to cause the extension stroke of the piston rod 15 which drives the frame 16 in its downward movement.
  • the frame 16 which can optionally be supported during its downward travel by a damping device 52 carried by the intermediate cross member 13 , passes from a position A to a position B , shown in broken lines in FIG. 1 .
  • the stroke of the piston rod 15 is chosen so that the punch 51 exerts or not, in position B , a pressure on the loaded pulverulent material.
  • the servo circuit 25 controls the rotation of the motor member 29 until the compaction force detected by the force sensor 46 or the height of packed material measured by the encoder 35 , reaches, respectively, a setpoint value of force F c or height H c , previously chosen and introduced into the circuit 25 .
  • the force set point F c is chosen to be less than a maximum value of force F max not to be exceeded, while the height set point H c is chosen to be greater than the height H min not to be exceeded.
  • the apparatus 17 can be implemented, either only with a force setpoint, or only with a height setpoint, or with a force and height setpoint. In this latter operating mode, the servo-control circuit 25 controls the stopping of the motor member 29 as soon as one of the set values is reached.
  • the control device 17 thus makes it possible to obtain a precise determined compression ratio over a very wide range of values.
  • the servo-control circuit 25 is provided for measuring the residual compaction force, after the exerted compaction force has reached the force reference value, so as to observe its evolution or to control the punch in displacement. the measured compaction force again reaches the force setpoint.
  • control circuit 25 measures, when the height reference value is obtained, the corresponding compaction force, so as to verify that the latter is between maximum F max and minimum F min values. Circuit 25 also assumes this function when the force reference value is reached to verify that the corresponding height is between determined values maximum H max and minimum H min .
  • a calibration is carried out by carrying out two successive height measurements consisting in controlling the motor member, so as to bring the punch into contact with two shims of different and known heights.
  • the difference in shim height is related to the number of pulses delivered by the encoder 35 to determine the pitch of the system.
  • This test which can be carried out when measuring the heights described above, consists in applying the punch to an adjusting shim, with a compaction force greater than the maximum working value, to measure and then to record, in the circuit 25 , the height of displacement of the punch, in relation to the compaction force.
  • the circuit 25 will correct the measured height by a value in relation to the corresponding recorded force.
  • the end part of the sleeve 52 is arranged to receive a support nut 54 which is used more particularly if, during a compaction phase, one or more punches 51 are placed in relation to a case 5 not comprising pulverulent materials to be compacted (position shown on the right in FIG. 4 ).
  • the nuts 54 associated with each punch 51 not compacting powdery materials, come to bear on the plate 9 so as to obtain a distribution of the compressive forces over all of the devices 17 .
  • the vertical position of the nuts 54 is suitably adjusted to allow the punches 51 to descend by a value allowing them to assume the function of compacting the pulverulent materials (position represented on the left in FIG. 4 ).

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • General Engineering & Computer Science (AREA)
  • Press Drives And Press Lines (AREA)
  • Control Of Presses (AREA)
  • Processing Of Solid Wastes (AREA)

Claims (12)

  1. Vorrichtung zum Zusammenpressen und Steuern der Kompaktierungskraft dosierter Mengen pulverförmiger Stoffe, die durch einen Dorn (51) in einem Behälter kompaktiert werden, wobei die Vorrichtung folgende Teile umfaßt:
    - mindestens eine Spindel (24) zum Steuern der Kompaktierungskraft, umfassend:
    . eine Einheit aus Schraube und Mutter (28), die durch eine Motorvorrichtung (29) drehend angetrieben wird,
    . ein Gehäuse (43), das den Meßwertgeber (46) enthält und zwischen der Einheit aus Schraube und Mutter und dem Dorn vorgesehen wird und durch die Einheit aus Schraube und Mutter gleitend hin- und herbewegt werden kann,
    - und einen Regelkreis (25) für das Steuern der Motorvorrichtung in Abhängigkeit von den gemessenen Werten der Kompaktierungskraft und einem Kraftsollwert,
       dadurch gekennzeichnet, daß die Steuerspindel (24) einen Sensor (35) aufweist, der die Position und die Winkelbewegung der Einheit aus Schraube und Mutter verfolgt und der an den Regelkreis angeschlossen ist, so daß letzterer die Motorvorrichtung abhängig von einer Sollhöhe steuert.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Steuerspindel (24) aus einem röhrenförmigen Zylinder (26) besteht, in den eine Stange (30) montiert ist, die drehend geführt und durch die Motorvorrichtung (29) drehend angetrieben wird und ein gewindetes Stück (30b) aufweist, das mit einer Ringmutter (37) zusammen funktioniert, die winklig befestigt ist, gleitend im Zylinder geführt wird und fest mit dem Gehäuse zusammenhängt.
  3. Vorrichtung nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß die Steuerspindel (24) einen Sensor (45) für die Positionierung der Endstellung des Gehäuses und die Bestimmung der Initialisierung des Sensors (35) aufweist.
  4. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Motorvorrichtung (29) über eine Übersetzung (33) an die gewindete Stange gekoppelt ist.
  5. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Motorvorrichtung (29) in der axialen Verlängerung der Stange (30) montiert ist.
  6. Kompaktierungspresse von der Art umfassend ein vertikales Gestell (8), das von einem Tisch (7) aus nach oben ausgeht und einen Zylinder (14) aufweist, der mindestens eine vertikal ausgerichtete Kolbenstange (15) aufweist,
       dadurch gekennzeichnet, daß sie mindestens eine den Ansprüchen 1 bis 5 entsprechende Vorrichtung aufweist, deren Steuerspindel (24) an einem Tragrahmen (16) montiert ist und gleitend vom Gestell (8) geführt wird und von der Kolbenstange (15) bewegt werden kann.
  7. Kompaktierungspresse nach Anspruch 6, dadurch gekennzeichnet, daß der Rahmen (16) eine untere Platte (23) aufweist, die zwischen dem Körper und dem Dorn montiert ist und mit einem Ring (53) zur axialen Führung der Hülse (52), die den Dorn enthält, ausgestattet ist.
  8. Kompaktierungspresse nach Anspruch 6, dadurch gekennzeichnet, daß sie mindestens zwei Vorrichtungen aufweist, die jeweils mit einer Auflagemutter (54) ausgestattet sind, die auf das Endstück einer Anpassungshülse (52) für den Dorn (51) montiert ist.
  9. Kompaktierungspresse nach einem der Ansprüche 6 bis 8, dadurch gekennzeichnet, daß sie einen Aufbau zur Beförderung von Laufwagen (4) aufweist, die Behälter (5), Feststellvorrichtungen (6) für die Laufwagen zum Positionieren der Behälter lotrecht zu den Dornen und eine Platte (9) tragen, die vertikal beweglich ist und mindestens eine röhrenförmige Erhöhung (5a) zum Befüllen und Zentrieren aufweist, die in der Verlängerung eines Behälters (5) positioniert werden kann.
  10. Verfahren zum Steuern einer den Ansprüchen 1 bis 5 entsprechenden Vorrichtung von der Art, die einen Sollwert für die Kompaktierungskraft (Fc) und/oder die unter einem entsprechenden Höchstwert (Fmax oder Hmax) liegende, zu erreichende Höhe (Hc) festlegt, die nicht überschritten werden darf, und die Bewegung des Dorns steuert, bis die gemessene Kompaktierungskraft oder Höhe den entsprechenden Sollwert erreicht,
       dadurch gekennzeichnet, daß es, nachdem die Kompaktierungskraft den entsprechenden Sollwert erreicht hat, darin besteht, daß es
    - die Höchstkraft während des Zyklus' mißt,
    - die RestKompaktierungskraft mißt, um ihre Entwicklung zu beobachten.
  11. Verfahren nach Anspruch 10, dadurch gekennzeichnet, daß es anschließend darin besteht, die Bewegung des Dorns zu steuern, bis die gemessene Kompaktierungskraft von neuem den Kraftsollwert erreicht.
  12. Verfahren nach Anspruch 10 oder 11, dadurch gekennzeichnet, daß es darin besteht,
    - den Dorn mit einer über dem Höchstbeanspruchungswert liegenden Kompaktierungskraft auf einen Regelkeil zu drücken,
    - die Verstellhöhe des Dorns im Zusammenhang mit der ausgeübten Kompaktierungskraft zu messen und aufzuzeichnen,
    - und während des Herstellungsprozesses die gemessene Höhe um einen Wert in Abhängigkeit von der entsprechenden, während des Eichens verzeichneten Kraft zu korrigieren.
EP89420394A 1988-10-20 1989-10-16 Verfahren und Vorrichtung zum Zusammenpressen und Steuern der Zusammenpressung von pulverförmigen Materialien und Presse zur Anwendung in diesem Verfahren Expired - Lifetime EP0365447B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89420394T ATE93768T1 (de) 1988-10-20 1989-10-16 Verfahren und vorrichtung zum zusammenpressen und steuern der zusammenpressung von pulverfoermigen materialien und presse zur anwendung in diesem verfahren.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8814372 1988-10-20
FR8814372A FR2638118A1 (fr) 1988-10-20 1988-10-20 Procede et appareil pour la compression et le controle de la compression de matieres pulverulentes et presse en faisant application

Publications (2)

Publication Number Publication Date
EP0365447A1 EP0365447A1 (de) 1990-04-25
EP0365447B1 true EP0365447B1 (de) 1993-09-01

Family

ID=9371553

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89420394A Expired - Lifetime EP0365447B1 (de) 1988-10-20 1989-10-16 Verfahren und Vorrichtung zum Zusammenpressen und Steuern der Zusammenpressung von pulverförmigen Materialien und Presse zur Anwendung in diesem Verfahren

Country Status (5)

Country Link
US (1) US5087398A (de)
EP (1) EP0365447B1 (de)
AT (1) ATE93768T1 (de)
DE (1) DE68908836T2 (de)
FR (1) FR2638118A1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5211964A (en) * 1991-05-20 1993-05-18 Westinghouse Electric Corp. Press machine with means to adjust punching force
USRE35506E (en) * 1991-11-12 1997-05-13 Chemplex Industries, Inc. Powder compacting press apparatus and methods
US5202067A (en) * 1991-11-12 1993-04-13 Chemplex Industries, Inc. Powder compacting press apparatus and methods
US5662849A (en) * 1993-09-10 1997-09-02 Fulsz Technologies Ltd. Method and apparatus for forming compression dosage units within the product package
JP3133899B2 (ja) * 1994-07-07 2001-02-13 株式会社三共製作所 錠剤製造方法およびその装置
DE19502596C2 (de) * 1995-01-28 1997-08-28 Fette Wilhelm Gmbh Meßgerät und Rechner zur Überprüfung der auf einer Rundläuferpresse hergestellten Tabletten der laufenden Produktion
DE19717217C2 (de) * 1997-04-24 1999-12-02 Fette Wilhelm Gmbh Verfahren und Vorrichtung zur Herstellung von Preßlingen aus Hartmetall, Keramik, Sintermetall oder dergleichen
US6619088B1 (en) * 2000-10-16 2003-09-16 Aida Engineering Co., Ltd. Bottom dead center correction device for servo press machine
DE60041559D1 (de) * 2000-10-30 2009-03-26 Aida Eng Ltd Vorrichtung zum Einstellen der Lage des untersten Totpunktes für eine mit Servomotor angetriebene Presse
US6769905B2 (en) 2002-01-04 2004-08-03 S.C. Johnson & Son, Inc. Multilayered compressed candle and method for manufacture
DE102004040939A1 (de) * 2004-08-24 2006-03-02 Hte Ag The High Throughput Experimentation Company Vorrichtung und Verfahren zur Verdichtung von Partikeln
DE102005052158B4 (de) * 2005-11-02 2008-01-03 Fette Gmbh Verfahren und Meßsystem zur Bildung einer Referenz bei einer Pulverpresse
DE102008013419A1 (de) * 2008-03-06 2009-09-10 Khs Corpoplast Gmbh & Co. Kg Verfahren und Vorrichtung zur Blasformung von Behältern
DE102008054922A1 (de) * 2008-12-18 2010-06-24 Robert Bosch Gmbh Vorrichtung zum Abfüllen und Verdichten rieselfähiger Produkte
US8464592B2 (en) * 2009-10-02 2013-06-18 Hitec Luxembourg S.A. Method and apparatus for determining void volume for a particulate material
DE102012019312A1 (de) * 2012-10-01 2014-04-03 Dorst Technologies Gmbh & Co. Kg Verfahren zum Steuern einer Keramik- und/oder Metallpulver-Presse bzw. Keramik- und/oder Metallpulver-Presse
RU2651712C2 (ru) * 2016-07-01 2018-04-23 Акционерное общество "Красноармейский научно-исследовательский институт механизации" (АО "КНИИМ") Устройство для снаряжения артиллерийских боеприпасов
EP3942250A4 (de) * 2019-03-19 2022-12-14 True Velocity IP Holdings, LLC Verfahren und vorrichtungen zum dosieren und verdichten von sprengstoffpulvern
RU194147U1 (ru) * 2019-09-06 2019-11-29 Павел Александрович Богородецкий Устройство для изготовления пневмопетарды из пластиковых бутылок для отработки навыков стрельбы у спортсменов, охотников и военнослужащих
CN112903523B (zh) * 2021-01-27 2022-10-18 武汉裕大华纺织有限公司 一种粉尘压紧器压紧密度调整方法
CN115597444B (zh) * 2022-12-12 2023-03-07 四川航天川南火工技术有限公司 一种配重加压机构、含能粉体材料压装装置及压装设备

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2855628A (en) * 1953-08-17 1958-10-14 Benjamin Lassman & Son Pressure bonding system for solid particles
US3255716A (en) * 1962-12-10 1966-06-14 Upjohn Co Measurement of forces within a tableting machine
NL7207024A (de) * 1972-05-25 1973-11-27
DE2520662C3 (de) * 1975-05-09 1983-11-03 Wilhelm Fette Gmbh, 2053 Schwarzenbek Einrichtung zum Überwachen der Preßkräfte der Stempel einer Tablettenpresse
GB1551954A (en) * 1975-05-28 1979-09-05 Hoffmann La Roche Standardization of a physiochemical parameter of a batch of formulation in tabletted form
US4199539A (en) * 1975-12-16 1980-04-22 General Electric Company Method for monitoring and controlling the operation of a dual platen press
DE2924704A1 (de) * 1979-06-19 1981-01-15 Dorst Keramikmasch Einrichtung zur festlegung der hoehe von pressteilen an einer presse, insbesondere zum pressen von pressteilen aus pulverfoermigem ausgangsmaterial
US4373889A (en) * 1981-02-13 1983-02-15 Crossley Machine Company, Inc. Hydraulic press assembly
US4450127A (en) * 1982-02-23 1984-05-22 Ptx Pentronix, Inc. Method for compacting powder material with adjustable die and punch assembly
JPS58187223A (ja) * 1982-04-23 1983-11-01 Aida Eng Ltd プレスのダイハイト自動調整装置
US4439129A (en) * 1982-10-26 1984-03-27 Wehr Corporation Hydraulic refractory press including floating upper and lower plunger assemblies
SE460460B (sv) * 1983-07-01 1989-10-16 Convey Teknik Ab Foerfarande och anordning foer reglerad pressning av pulvermaterial
US4570229A (en) * 1983-09-19 1986-02-11 Pennwalt Corporation Tablet press controller and method
FR2570020B1 (fr) * 1984-09-11 1988-07-22 Commissariat Energie Atomique Presse automatique
DE3823417A1 (de) * 1988-07-11 1990-01-18 Fette Wilhelm Gmbh Verfahren und einrichtung zum ueberwachen der presskraefte der stempel einer tablettenpresse

Also Published As

Publication number Publication date
US5087398A (en) 1992-02-11
EP0365447A1 (de) 1990-04-25
DE68908836T2 (de) 1994-02-10
FR2638118A1 (fr) 1990-04-27
DE68908836D1 (de) 1993-10-07
ATE93768T1 (de) 1993-09-15

Similar Documents

Publication Publication Date Title
EP0365447B1 (de) Verfahren und Vorrichtung zum Zusammenpressen und Steuern der Zusammenpressung von pulverförmigen Materialien und Presse zur Anwendung in diesem Verfahren
EP2493680B1 (de) Anlage zur herstellung eines festprodukts mithilfe eines oder mehrerer pulvermaterialien
EP0062562B1 (de) Verfahren und Vorrichtung zur automatischen Steuerung der Stössel einer Presse mittels selbstblockierender Kolben-Zylinder-Einheit
FR2518453A1 (fr) Presse a bati en col de cygne
EP1568424B1 (de) Presse zum Halten und Pressen eines Werkstücks
FR2672542A1 (fr) Dispositif de detection, dans une machine, de la position de contact de deux cylindres d'axes paralleles.
FR2484303A1 (fr) Presse pour la metallurgie des poudres et procede de compression d'une poudre dans une matrice
FR2704463A1 (fr) Procédé et dispositif destinés à réaliser une denture profilée sur un arbre.
EP0434541B1 (de) Hydraulische Biegepresse mit beweglichem Unterbalken
FR2823307A1 (fr) Procede et micropresse pour caracteriser les proprietes mecaniques des solides pharmaceutiques
CH638133A5 (fr) Dispositif de moulage par injection d'objets en matieres plastiques ou elastomeres.
FR2570020A1 (fr) Presse automatique
EP3213910A1 (de) Gegendruckvorrichtung für eine kompaktiermaschine durch schwingverdichtung, und maschine, die eine solche vorrichtung umfasst
WO2004103689A1 (fr) Installation pour la realisation d'un produit solide a partir d'un materiau pulverulent
FR2569849A1 (fr) Dispositif pour mesurer l'epaisseur sous differentes charges d'un materiau en plaque, tel qu'un carton ondule
EP0360693B1 (de) Vorrichtung zur Messung der Festigkeit eines verformbaren Gegenstandes
FR2600002A1 (fr) Dispositif de controle de la portee d'une arete tranchante d'un outil d'une machine-outil pour l'usinage de metaux par enlevement de copeaux
FR2580971A1 (fr) Dispositif de vissage a serrage controle
FR2490821A1 (fr) Appareil de mesure, a chargement et cycle automatiques, pour l'etude de la traction des fibres
EP0462932B1 (de) Verfahren und Einrichtung zur Steuerung einer Bewegung
FR2463924A1 (fr) Procede et machine pour tester la resistance des sieges
FR2872447A1 (fr) Dispositif de compactage de poudre pour la fabrication de pastilles
FR2708219A1 (fr) Procédé de compensation des déformations des tabliers de presses hydrauliques, tabliers et presses hydrauliques ainsi équipés.
FR2469697A1 (fr) Appareil de mesure optique de la distance entre deux points d'un objet
FR2813875A1 (fr) Nacelle elevatrice et procede de controle d'une charge embarquee sur une telle nacelle

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE CH DE ES FR GB GR IT LI LU NL SE

17P Request for examination filed

Effective date: 19900625

17Q First examination report despatched

Effective date: 19920210

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DE ES FR GB GR IT LI LU NL SE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRE;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.SCRIBED TIME-LIMIT

Effective date: 19930901

Ref country code: NL

Effective date: 19930901

Ref country code: SE

Effective date: 19930901

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 19930901

Ref country code: ES

Free format text: THE PATENT HAS BEEN ANNULLED BY A DECISION OF A NATIONAL AUTHORITY

Effective date: 19930901

REF Corresponds to:

Ref document number: 93768

Country of ref document: AT

Date of ref document: 19930915

Kind code of ref document: T

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: AT

Payment date: 19930923

Year of fee payment: 5

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19930831

REF Corresponds to:

Ref document number: 68908836

Country of ref document: DE

Date of ref document: 19931007

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19931008

Year of fee payment: 5

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 19931015

Year of fee payment: 5

Ref country code: LU

Payment date: 19931015

Year of fee payment: 5

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 19931025

Year of fee payment: 5

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19931028

Year of fee payment: 5

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 19931115

Year of fee payment: 5

EPTA Lu: last paid annual fee
NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19941016

Ref country code: GB

Effective date: 19941016

Ref country code: AT

Effective date: 19941016

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Effective date: 19941031

Ref country code: CH

Effective date: 19941031

Ref country code: LI

Effective date: 19941031

BERE Be: lapsed

Owner name: ADL AUTOMATION S.A.R.L.

Effective date: 19941031

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 19941016

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Effective date: 19950630

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19950701

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST