EP2105291A3 - Device and method for measuring the vertical position of top and bottom punches of a rotary tablet press - Google Patents
Device and method for measuring the vertical position of top and bottom punches of a rotary tablet press Download PDFInfo
- Publication number
- EP2105291A3 EP2105291A3 EP09003349A EP09003349A EP2105291A3 EP 2105291 A3 EP2105291 A3 EP 2105291A3 EP 09003349 A EP09003349 A EP 09003349A EP 09003349 A EP09003349 A EP 09003349A EP 2105291 A3 EP2105291 A3 EP 2105291A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- tablet press
- vertical position
- rotary tablet
- measuring
- rotor
- 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.)
- Granted
Links
Classifications
-
- 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
- B30B11/08—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 co-operating with moulds carried by a turntable
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Presses And Accessory Devices Thereof (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
Die Erfindung betrifft eine Vorrichtung zur Messung der vertikalen Position von einem drehbar angetriebenen Rotor (12) einer Rundläufer-Tablettenpresse paarweise zugeordneten und synchron mit dem Rotor (12) rotierenden Ober- und Unterstempeln (18,20), die während einer Rotorumdrehung in bestimmten Bereichen entlang des Umfangs ihrer Drehbewegung eine vertikale Bewegung ausführen. Die Vorrichtung weist mindestens einen an mindestens einem der Ober- und/oder Unterstempel (18,20) angeordneten, parallel zur vertikalen Bewegungsrichtung des jeweiligen Ober- und/oder Unterstempels (18,20) verlaufenden Maßstab (54), und mindestens eine dem Maßstab (54) zugeordnete, ebenfalls synchron mit dem Rotor (12) rotierende Leseneinrichtung (56) auf, mit der eine vertikale Position des jeweiligen Ober- und/oder Unterstempels (18,20) durch Auslesen des Maßstabs (54) messbar ist. Die Erfindung betrifft außerdem eine entsprechende Rundläufer-Tablettenpresse und ein entsprechendes Verfahren. The invention relates to a device for measuring the vertical position of a rotatably driven rotor (12) of a rotary tablet press paired and synchronously with the rotor (12) rotating upper and lower punches (18,20) during a rotor rotation in certain areas perform a vertical movement along the circumference of their rotary motion. The device has at least one scale (54) arranged on at least one of the upper and / or lower punches (18, 20) and parallel to the vertical movement direction of the respective upper and / or lower punch (18, 20), and at least one of the scale (54) associated, also in synchronism with the rotor (12) rotating reading means (56), with a vertical position of the respective upper and / or lower punch (18,20) by reading the scale (54) is measurable. The invention also relates to a corresponding rotary tablet press and a corresponding method.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008015820A DE102008015820B4 (en) | 2008-03-27 | 2008-03-27 | Apparatus and method for measuring the vertical position of upper and lower punches of a rotary tablet press |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP2105291A2 EP2105291A2 (en) | 2009-09-30 |
| EP2105291A3 true EP2105291A3 (en) | 2012-12-05 |
| EP2105291B1 EP2105291B1 (en) | 2017-05-03 |
Family
ID=40679420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP09003349.9A Active EP2105291B1 (en) | 2008-03-27 | 2009-03-07 | Device and method for measuring the vertical position of top and bottom punches of a rotary tablet press |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7988440B2 (en) |
| EP (1) | EP2105291B1 (en) |
| DE (1) | DE102008015820B4 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008046422B3 (en) * | 2008-09-09 | 2009-11-12 | Fette Gmbh | Method for testing multilayer tablets in a multiple rotary press |
| FR2951989B1 (en) * | 2009-10-30 | 2012-02-03 | Medelpharm | INSTALLATION FOR PRODUCING A SOLID PRODUCT FROM ONE OR MORE PULVERULENT MATERIALS |
| DE102010011995A1 (en) | 2010-03-17 | 2011-09-22 | Peter Luxner | Method for operating pressing device, involves pressing powder and granulates in die plate of press with die, where radial warping of mold against wall of die plate set during pressing of powder and granulates is measured |
| DE202010003848U1 (en) | 2010-03-17 | 2010-07-15 | Luxner, Peter, Dipl.-Ing. | Device for pressing powder and granules |
| DE102011101287B4 (en) * | 2011-05-10 | 2013-11-14 | Fette Compacting Gmbh | Wiper device for a rotary press, rotary press and method for operating a rotary press |
| FR2984798B1 (en) * | 2011-12-22 | 2014-01-31 | Centre Nat Rech Scient | HIGH PRESSURE PRESS COMPRISING MEANS FOR TRANSLATING AND ROTATING IN RELATION TO THE OTHER ENCLUENTS BETWEEN WHICH HIGH PRESSURE IS APPLIED AND ASSOCIATED CONTROL DEVICE. |
| EP3308944B1 (en) * | 2016-10-17 | 2021-04-14 | Gabler Thermoform GmbH & Co. KG | Method and apparatus for thermoforming |
| EP3892962B1 (en) * | 2020-04-08 | 2023-03-08 | Dr. Johannes Heidenhain GmbH | Assembly for position measurement |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1216397A (en) * | 1968-04-02 | 1970-12-23 | Keith Marshall | Improvements in or relating to tablet forming machines |
| EP0620108A1 (en) * | 1993-02-17 | 1994-10-19 | Wilhelm Fette GmbH | Punch set for a tabletting machine |
| US5760392A (en) * | 1994-12-27 | 1998-06-02 | Canon Kabushiki Kaisha | Scale for use with a displacement sensor |
| US6442859B1 (en) * | 1999-04-30 | 2002-09-03 | Wilhelm Fette Gmbh | Method for determining the position of a punch of a powder press |
| DE102005051567A1 (en) * | 2005-10-20 | 2007-04-26 | Korsch Ag | Rotary-tabletting machine, e.g. rotary tablet press, for use in pharmaceutical area, has sensors provided for determining change of position of marker, where path of upper die and/or lower die is determined from position signals of sensors |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7521472U (en) * | 1975-10-30 | Fette W Gmbh | Rotary tablet machine | |
| US4030868A (en) * | 1976-03-15 | 1977-06-21 | Hoffmann-La Roche Inc. | Force measurement and analysis particularly relating to rotary tablet presses |
| US5211964A (en) * | 1991-05-20 | 1993-05-18 | Westinghouse Electric Corp. | Press machine with means to adjust punching force |
| FI92145C (en) * | 1993-01-28 | 1994-10-10 | Tensor Oy | Method and apparatus for simulating tablet pressing |
| GB9306361D0 (en) * | 1993-03-26 | 1993-05-19 | Holland Limited I | Improvements in or relating to tool identification |
| DE19502596C2 (en) * | 1995-01-28 | 1997-08-28 | Fette Wilhelm Gmbh | Measuring device and computer for checking the tablets of the current production made on a rotary press |
| US5838571A (en) * | 1996-01-29 | 1998-11-17 | Alza Corporation | Tablet press monitoring and controlling method and apparatus |
| US20050200038A1 (en) * | 2004-03-12 | 2005-09-15 | Courtoy Nv | Method for controlling a rotary tablet press and such a press |
| DE202005011876U1 (en) * | 2005-07-21 | 2005-10-13 | Korsch Ag | Equipment for producing tablets containing tabletting machine with associated switching cubicle and servicing console with suitable wireless interconnections for exchange of signals |
| DE202007015275U1 (en) * | 2007-10-29 | 2008-05-08 | Luxner, Peter, Dipl.-Ing. | Device for determining control and regulating parameters for tablet presses |
-
2008
- 2008-03-27 DE DE102008015820A patent/DE102008015820B4/en not_active Expired - Fee Related
-
2009
- 2009-03-07 EP EP09003349.9A patent/EP2105291B1/en active Active
- 2009-03-20 US US12/408,310 patent/US7988440B2/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1216397A (en) * | 1968-04-02 | 1970-12-23 | Keith Marshall | Improvements in or relating to tablet forming machines |
| EP0620108A1 (en) * | 1993-02-17 | 1994-10-19 | Wilhelm Fette GmbH | Punch set for a tabletting machine |
| US5760392A (en) * | 1994-12-27 | 1998-06-02 | Canon Kabushiki Kaisha | Scale for use with a displacement sensor |
| US6442859B1 (en) * | 1999-04-30 | 2002-09-03 | Wilhelm Fette Gmbh | Method for determining the position of a punch of a powder press |
| DE102005051567A1 (en) * | 2005-10-20 | 2007-04-26 | Korsch Ag | Rotary-tabletting machine, e.g. rotary tablet press, for use in pharmaceutical area, has sensors provided for determining change of position of marker, where path of upper die and/or lower die is determined from position signals of sensors |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102008015820A1 (en) | 2009-10-01 |
| EP2105291B1 (en) | 2017-05-03 |
| EP2105291A2 (en) | 2009-09-30 |
| US7988440B2 (en) | 2011-08-02 |
| US20090243132A1 (en) | 2009-10-01 |
| DE102008015820B4 (en) | 2013-02-28 |
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