EP0676280B2 - Vorrichtung zum Aufbringen von pulverförmigem Schmier- oder Trennmittel auf die Presswerkzeuge in Tablettiermaschinen - Google Patents
Vorrichtung zum Aufbringen von pulverförmigem Schmier- oder Trennmittel auf die Presswerkzeuge in Tablettiermaschinen Download PDFInfo
- Publication number
- EP0676280B2 EP0676280B2 EP95104525A EP95104525A EP0676280B2 EP 0676280 B2 EP0676280 B2 EP 0676280B2 EP 95104525 A EP95104525 A EP 95104525A EP 95104525 A EP95104525 A EP 95104525A EP 0676280 B2 EP0676280 B2 EP 0676280B2
- Authority
- EP
- European Patent Office
- Prior art keywords
- nozzle
- suction
- opening
- separating
- blowing device
- 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
Links
Images
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/76—Prevention of microwave leakage, e.g. door sealings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/0005—Details of, or accessories for, presses; Auxiliary measures in connection with pressing for briquetting presses
- B30B15/0011—Details of, or accessories for, presses; Auxiliary measures in connection with pressing for briquetting presses lubricating means
Definitions
- the invention relates to a device for Applying metered amounts of powder Lubricants or release agents on the stressed surfaces from top and bottom stamping in tabletting machines the preamble of claim 1.
- Rotary tableting machines e.g. in the EP 0 572 816 have one by one vertical axis rotating die plate on, the matrix holes arranged on a circle contains.
- the die holes are upper and lower stamps assigned that is synchronous with the die plate circulate and filled in the die holes Press powdered material into the die hole.
- the stamps are of suitable control curves actuated to selectively open the die holes or to carry out the pressing process. When filling in a filling station is the lower ram in a lower position in the die hole, during the Upper stamp at a distance from the die plate located.
- lubricate in the to be pressed Distribute material finely, e.g. by mixing in or spraying the material to be pressed with magnesium stearate.
- the proportion of lubricant is 0.5 to 1% of the material to be pressed.
- the relatively high concentration of the lubricant is required in order to ensure an adequate To get a lot of sticking tablet and Tool prevents. In many cases, however, is one such a high concentration of lubricant is undesirable.
- Another option is to use the lubricant to be applied to the die hole and lower punch, for example by pulsed blowing, such as this is described in EP-A-336167.
- a venturi nozzle is right in front of the stamp and the die opening arranged in a tableting machine.
- a controlled compressed air supply ensures the ejection of so-called powder packets on the claimed areas.
- the known device is relatively complex, especially with regard to control and involves the risk that too much sliding material is released will then undesirably occur the surfaces adjacent to the die hole and the stamp stocks. You can also do that known methods only at relatively low speeds carry out.
- JP-B-20103 a device of the type mentioned is known north, with a lower nozzle opening aligned with the orbit close above the die plate and the upper stamps over the one Blown mixture of separating agent and gas onto the exposed surfaces becomes.
- the device is surrounded by a box-like casing to which a tube for excess gas-release agent mixture is connected.
- the invention has for its object a device for the application of metered amounts of powder Lubricants and release agents on the used areas of upper and lower stamps in Tableting machines specify that with a minimal Share of lubricants and release agents and works effectively even at very high speeds.
- This task is characterized by the characteristics of the Claim 1 solved.
- the release agent during the operation of the tablet machine blown continuously onto the stressed surfaces, and excess release agent in the claimed Vacuumed areas adjacent areas.
- the lubricant and release agent is dosed in precisely Quantities e.g. swirled in a venturi nozzle from which it then to a suitable blow nozzle in the Tablettier is directed.
- a suitable blow nozzle in the Tablettier By appropriate Matching the size and shape of the nozzle opening, the blowing pressure and the distance of the blowing nozzle to The upper punch and the die plate become uniform Distribution of the lubricant on the upper punch and reached in the die hole.
- a kind of vortex chamber effect is achieved, amplified by suction over a suitable one Suction nozzle. A homogeneous, very low one is obtained Coating of the die wall and the stamp press surfaces.
- the reduction of lubricants and release agents in the Tablets has the further advantage that the desired one Tablet hardness with a significantly reduced pressure can be achieved. This will make a smaller one Tool wear and a shorter disintegration time Received tablets. Finally, the reduction diminishes of the lubricant and release agent also the corresponding Material expenditure for this.
- the suction nozzle is arranged at a short distance from the blow nozzle with upper and lower suction opening that the nozzle openings are neighboring.
- the nozzle openings are according to an embodiment of the invention preferably formed as radially arranged slots that about the length of the diameter of a die hole can have.
- the lower suction opening has according to an embodiment of the invention a smaller one Distance to the die plate as the lower blow nozzle opening. This can remove excess material effectively suctioned off the surface of the die plate to build a material on the die plate to prevent. The distance of the top
- the suction opening to the upper punch must be set larger so that nothing sticks to the upper stamps Aspirated material and a coating of the stamp shaft is avoided.
- the blow nozzle arranged upstream of the suction nozzle.
- the invention is based on a Drawing explained in more detail.
- the only figure shows a section through a Matrix disk in the area of an upper and one Lower stamp with a device according to the invention.
- a die plate 10 is one in other tabletting machine, not shown recognize the matrix holes arranged on a circle has, one of which can be seen at 12.
- the die hole 12 is an upper punch 14 and a Assigned lower stamp 15. They act in a more familiar way Together with the die plate 10, such as described in EP 0 572 816 and move in Direction of the arrows. On the function and the construction of a tableting machine will continue not detailed.
- a stationary one Blow nozzle 16 arranged with a lower nozzle opening 18 and an upper nozzle opening 19.
- Die Nozzle openings 18, 19 are slit-like and extend radially with respect to the die plate 10 so that it about the diameter of the die hole 12 can extend.
- the tubular or box-like Nozzle 16 is connected to a Venturi nozzle, not shown, in the gaseous medium, e.g. Air and a powder release agent and lubricant, e.g. Magnesium stearate, be mixed homogeneously.
- the air-release agent mixture is under pressure in the blow nozzle 16 introduced and kicks according to the arrows shown from the upper and lower nozzle openings 19, 18 off, against the pressing surface of the upper punch 14 directed and against the walls of the die hole 12 and the pressing surface of the lower punch 15.
- a suction nozzle 20 is arranged, one wall of the associated wall of the blowing nozzle 16 is formed. It is box-shaped in cross-section and not in one shown vacuum source connected. she owns an upper suction opening 22 and a lower suction opening 24.
- the distance A is between the lower opening 24 and the top of the die plate 10 relatively small, definitely smaller than that Distance of the lower nozzle opening 18 from the die plate 10. It is e.g.
- the distance B between the pressing surface of the upper punch 14 and the nozzle opening 19 or the upper suction opening 22 is slightly larger and is e.g. 1.5 mm, the same Value the distance of the lower nozzle opening 18 of the die plate 10 has.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Forging (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
- Coating Apparatus (AREA)
- Medicinal Preparation (AREA)
Description
Claims (4)
- Vorrichtung zum Aufbringen von dosierten Mengen von pulverförmigem Schmier- oder Trennmittel auf die beanspruchten Flächen von Ober- und Unterstempeln (14, 15) sowie Matrizenlöchern (12) von Rundläuferpressen in Tablettiermaschinen, mit einer Blasvorrichtung mit einer zur Umlaufbahn der Matrizenlöcher (12) ausgerichteten unteren Düsenöffnung (18) nahe oberhalb de Matrizenscheibe (10) und einer zur Umlaufbahn der Oberstempel (14) ausgerichteten oberen Düsenöffnung (19) nahe den Oberstempeln (14), die mit einer Quelle für ein Gas-Trennmittelgemisch unter Druck verbindbar ist und das Gemisch während des Betriebs der Tablettiermaschine auf die beanspruchten Flächen bläst, dadurch gekennzeichnet, daß die Quelle für Gas-Trennmittelgemisch ständig an die Blasvorrichtung (16) angeschlossen ist und eine Saugdüse (20) angeordnet ist mit oberer und unterer Saugöffnung (22, 24), die der oberen und der unteren Düsenöffnung (19, 18) benachbart sind zum Absaugen von Trennmittel von den den beanspruchten Flächen benachbarten Bereichen;
daß die untere und obere Saugöffnung (22, 24) der Blasvorrichtung (16) unmittelbar benachbart sind und
daß die Saugöffnungen (22, 24) in Umlaufrichtung der Matrizenscheibe (10) gesehen hinter der Blasvorrichtung (16) angeordnet sind. - Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß die Düsenöffnungen (19, 18) von radial angeordneten Schlitzen gebildet sind.
- Vorrichtung nach Ansprüch 1 oder 2, dadurch gekennzeichnet, daß die untere Saugöffnung (24) einen geringeren Abstand zur Matrizenscheibe (10) hat als die untere Blasöffnung (18).
- Vorrichtung nach einem der Ansprüche 1 bis 3, gekennzeichnet durch eine Auslegung der Düsenöffnungen (19, 18) der Blasvorrichtung (16), der Saugöffnungen (22, 24), der Saugdüse, der Quelle für Trennmittelgemisch und des Unterdrucks derart, daß die auf die beanspruchten Flachen aufgebrachte Trennmittelmenge kleiner als 0,02% ist, bezogen auf die Menge der zu verpressenden Substanz.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4412117 | 1994-04-08 | ||
| DE4412117A DE4412117A1 (de) | 1994-04-08 | 1994-04-08 | Verfahren und Vorrichtung zum Aufbringen von pulverförmigem Schmier- oder Trennmittel auf die Preßwerkzeuge in Tablettiermaschinen |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0676280A1 EP0676280A1 (de) | 1995-10-11 |
| EP0676280B1 EP0676280B1 (de) | 1998-11-25 |
| EP0676280B2 true EP0676280B2 (de) | 2003-11-12 |
Family
ID=6514913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP95104525A Expired - Lifetime EP0676280B2 (de) | 1994-04-08 | 1995-03-28 | Vorrichtung zum Aufbringen von pulverförmigem Schmier- oder Trennmittel auf die Presswerkzeuge in Tablettiermaschinen |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5643630A (de) |
| EP (1) | EP0676280B2 (de) |
| KR (1) | KR950035519A (de) |
| AU (1) | AU689572B2 (de) |
| DE (2) | DE4412117A1 (de) |
Families Citing this family (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8071128B2 (en) | 1996-06-14 | 2011-12-06 | Kyowa Hakko Kirin Co., Ltd. | Intrabuccally rapidly disintegrating tablet and a production method of the tablets |
| DE19647089A1 (de) * | 1996-11-14 | 1998-05-28 | Bayer Ag | Vorrichtung zum kontrollierten Aufsprühen von pulverförmigen Schmiermitteln auf Stempel und Matrizen von Tablettenpressen |
| JPH11169437A (ja) * | 1997-12-03 | 1999-06-29 | Kyowa Hakko Kogyo Co Ltd | 錠剤の製造方法 |
| DE29804955U1 (de) * | 1998-03-19 | 1998-12-24 | Quénéhervé, Marianne, 88521 Ertingen | Dosiergerät für pulverförmiges Kolbenschmiermittel |
| US6482349B1 (en) * | 1998-11-02 | 2002-11-19 | Sumitomo Special Metals Co., Ltd. | Powder pressing apparatus and powder pressing method |
| FR2790387B1 (fr) | 1999-03-01 | 2001-05-18 | Prographarm Laboratoires | Comprime orodispersible presentant une faible friabilite et son procede de preparation |
| WO2001076860A1 (en) * | 2000-04-12 | 2001-10-18 | Kyowa Hakko Kogyo Co., Ltd. | Coating device for powder material |
| US9358214B2 (en) | 2001-10-04 | 2016-06-07 | Adare Pharmaceuticals, Inc. | Timed, sustained release systems for propranolol |
| US20050175733A1 (en) * | 2002-07-02 | 2005-08-11 | Bitten Thorengaard | Compressed resin moderated chewing gum |
| CN100367869C (zh) * | 2002-07-02 | 2008-02-13 | 古木林科有限公司 | 压缩口香糖 |
| KR100992521B1 (ko) * | 2002-07-02 | 2010-11-05 | 굼링크 에이/에스 | 츄잉 검 압축 정제 ii |
| GB0216413D0 (en) * | 2002-07-15 | 2002-08-21 | Nestle Sa | Tabletted chewing gum sweet |
| GB0223978D0 (en) * | 2002-10-15 | 2002-11-20 | Novartis Ag | Organic compound |
| US8367111B2 (en) * | 2002-12-31 | 2013-02-05 | Aptalis Pharmatech, Inc. | Extended release dosage forms of propranolol hydrochloride |
| US20060147580A1 (en) * | 2003-02-04 | 2006-07-06 | Vibeke Nissen | Compressed chewing gum tablet |
| RU2342846C2 (ru) * | 2003-02-04 | 2009-01-10 | Гумлинк А/С | Таблетка прессованной жевательной резинки и способ ее производства |
| DE60323055D1 (de) * | 2003-05-06 | 2008-10-02 | Gumlinck As | Methode zur Herstellung von Kaugummigranulat und komprimierten Kaugummiprodukten, sowie ein Kaugummigranuliersystem |
| EP1474995B1 (de) * | 2003-05-06 | 2012-11-14 | Gumlink A/S | Methode zu Herstellung von Kaugummigranulat, ein Kaugummiextruder mit Granuliersystem und ein Kaugummiprodukt |
| JP2007525146A (ja) * | 2003-12-30 | 2007-09-06 | ガムリンク エー/エス | 生分解性ポリマーを含み且つ分解性を促進させたチューインガム |
| ES2351969T3 (es) * | 2003-12-30 | 2011-02-14 | Gumlink A/S | Chicle biodegradable comprimido. |
| GB0408078D0 (en) * | 2004-04-08 | 2004-05-12 | Novartis Ag | Organic compounds |
| DK200401195A (da) * | 2004-08-06 | 2004-08-06 | Gumlink As | Layered chewing gum tablet |
| US8747895B2 (en) | 2004-09-13 | 2014-06-10 | Aptalis Pharmatech, Inc. | Orally disintegrating tablets of atomoxetine |
| US9884014B2 (en) | 2004-10-12 | 2018-02-06 | Adare Pharmaceuticals, Inc. | Taste-masked pharmaceutical compositions |
| DE102004051006B4 (de) * | 2004-10-20 | 2009-07-02 | Fette Gmbh | Rundlaufpresse |
| NZ589750A (en) | 2004-10-21 | 2012-07-27 | Aptalis Pharmatech Inc | Taste-masked pharmaceutical compositions with gastrosoluble pore-formers |
| US20060105038A1 (en) * | 2004-11-12 | 2006-05-18 | Eurand Pharmaceuticals Limited | Taste-masked pharmaceutical compositions prepared by coacervation |
| WO2006060906A1 (en) * | 2004-12-06 | 2006-06-15 | Corporation Imfine Inc. | Apparatus and method for lubricating a wall surface of a die cavity |
| US9161918B2 (en) | 2005-05-02 | 2015-10-20 | Adare Pharmaceuticals, Inc. | Timed, pulsatile release systems |
| ES2607814T3 (es) * | 2008-02-28 | 2017-04-04 | Abbvie Inc. | Preparación de tabletas |
| SG10201407965XA (en) | 2009-12-02 | 2015-02-27 | Aptalis Pharma Ltd | Fexofenadine microcapsules and compositions containing them |
| US20110212171A1 (en) * | 2010-01-08 | 2011-09-01 | Eurand, Inc. | Taste masked topiramate composition and an orally disintegrating tablet comprising the same |
| DE102016123279B4 (de) | 2016-12-01 | 2019-02-21 | Fette Compacting Gmbh | Verfahren und System zum Zuführen eines Schmier- oder Trennmittels zu Presswerkzeugen einer Tablettenpresse |
| EP3437847A1 (de) * | 2017-08-04 | 2019-02-06 | Korsch AG | Vorrichtung zum abführen von überschüssigen tablettiermaterial aus einer tablettiermaschine |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4820103B1 (de) * | 1968-05-06 | 1973-06-19 | ||
| US4047866A (en) * | 1976-11-22 | 1977-09-13 | The Dow Chemical Company | Automatic self-lubricating rotary tablet press |
| JPS5614098A (en) * | 1979-07-13 | 1981-02-10 | Takeda Chem Ind Ltd | Externally lubricating tablet making machine |
| DE3312634A1 (de) * | 1983-04-08 | 1984-10-11 | Dr. Karl Thomae Gmbh, 7950 Biberach | Verbessertes verfahren und vorrichtungen zum bepunkten von formwerkzeugen mit troepfchen fluessiger oder suspendierter schmiermittel bei der herstellung von formlingen in pharma-, lebensmittel- oder katalysatorenbereich |
| GB8530365D0 (en) * | 1985-12-10 | 1986-01-22 | Univ Bath | Manufacture of moulded products |
| US5356577A (en) * | 1988-04-02 | 1994-10-18 | Dr. Karl Thomae Gmbh | Controlled release of metered quantities of finely divided solids with a venturi nozzle and regulated control |
| DE3811260A1 (de) * | 1988-04-02 | 1989-10-26 | Thomae Gmbh Dr K | Gezielte abgabe dosierter mengen von feinverteilten feststoffen mit venturi-duese und geregelter ansteuerung |
| DE3811261A1 (de) * | 1988-04-02 | 1989-10-19 | Thomae Gmbh Dr K | Vorrichtungen zur gesteuerten freisetzung dosierter mengen von in gasen feinverteilten fluessigkeiten |
| US5213738A (en) * | 1990-05-15 | 1993-05-25 | L. Perrigo Company | Method for making a capsule-shaped tablet |
| JP3082274B2 (ja) * | 1991-03-25 | 2000-08-28 | 日清エンジニアリング株式会社 | 錠剤製造法 |
| DE4218122C1 (de) * | 1992-06-02 | 1994-01-20 | Fette Wilhelm Gmbh | Verfahren zum Pressen von Zweischichttabletten in einer Doppelrundläuferpresse und Vorrichtung zur Durchführung des Verfahrens |
| JP2681601B2 (ja) * | 1993-11-01 | 1997-11-26 | 協和醗酵工業株式会社 | 外部滑沢式打錠機 |
-
1994
- 1994-04-08 DE DE4412117A patent/DE4412117A1/de not_active Ceased
-
1995
- 1995-03-28 EP EP95104525A patent/EP0676280B2/de not_active Expired - Lifetime
- 1995-03-28 DE DE59504299T patent/DE59504299D1/de not_active Expired - Fee Related
- 1995-03-30 KR KR1019950007146A patent/KR950035519A/ko not_active Withdrawn
- 1995-04-03 US US08/415,723 patent/US5643630A/en not_active Expired - Lifetime
- 1995-06-22 AU AU21843/95A patent/AU689572B2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| EP0676280B1 (de) | 1998-11-25 |
| KR950035519A (ko) | 1995-12-30 |
| US5643630A (en) | 1997-07-01 |
| AU2184395A (en) | 1995-12-21 |
| DE4412117A1 (de) | 1995-10-12 |
| AU689572B2 (en) | 1998-04-02 |
| DE59504299D1 (de) | 1999-01-07 |
| EP0676280A1 (de) | 1995-10-11 |
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