ES2274603T3 - GAS CAPSULE. - Google Patents
GAS CAPSULE. Download PDFInfo
- Publication number
- ES2274603T3 ES2274603T3 ES99302130T ES99302130T ES2274603T3 ES 2274603 T3 ES2274603 T3 ES 2274603T3 ES 99302130 T ES99302130 T ES 99302130T ES 99302130 T ES99302130 T ES 99302130T ES 2274603 T3 ES2274603 T3 ES 2274603T3
- Authority
- ES
- Spain
- Prior art keywords
- neck
- free end
- capsule
- fluid
- neck portion
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/06—Closures, e.g. cap, breakable member
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/01—Shape
- F17C2201/0104—Shape cylindrical
- F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/05—Size
- F17C2201/058—Size portable (<30 l)
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/0634—Materials for walls or layers thereof
- F17C2203/0636—Metals
- F17C2203/0646—Aluminium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
- F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
- F17C2203/068—Special properties of materials for vessel walls
- F17C2203/069—Break point in the wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
- F17C2221/016—Noble gases (Ar, Kr, Xe)
- F17C2221/017—Helium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
- F17C2223/0107—Single phase
- F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
- F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
- F17C2223/035—High pressure (>10 bar)
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/01—Improving mechanical properties or manufacturing
- F17C2260/013—Reducing manufacturing time or effort
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/07—Applications for household use
- F17C2270/0736—Capsules, e.g. CO2
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vacuum Packaging (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Supply Of Fluid Materials To The Packaging Location (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Pressure Vessels And Lids Thereof (AREA)
- Medicinal Preparation (AREA)
Abstract
PROCEDIMIENTO DE RELLENO PARA UNA CAPSULA CON HELIO QUE CONSISTE EN REALIZAR UN PRIMER PLIEGUE EN LA PARTE DEL CUELLO DE LA CAPSULA APARTADO DEL EXTREMO LIBRE DEL CUELLO Y REALIZANDO A CONTINUACION UN SEGUNDO PLIEGUE EN EL EXTREMO LIBRE DEL CUELLO O INMEDIATAMENTE ADYACENTE AL MISMO PARA FORMAR EFICAZMENTE UNA CAMARA ENTRE LOS DOS PLIEGUES QUE IMPIDE QUE EL HELIO ALCANCE EL EXTREMO LIBRE, QUE SE SUELDA POSTERIORMENTE.FILLING PROCEDURE FOR A HELIO CAPSULE THAT CONSISTS OF PERFORMING A FIRST FOLD IN THE NECK PART OF THE NECK FREE EXTREME OF THE NECK AND CONTINUING A SECOND FOLD IN THE END FREE OF THE NECK OR IMMEDIATELY FOREVER A CHAMBER BETWEEN THE TWO FOLDES THAT PREVENTS THE HELIO REACHES THE FREE END, THAT IS SOUNDED AFTER.
Description
Cápsula de gas.Gas capsule
El invento presente se refiere a cápsulas para contener un volumen de fluido a presión elevada, esto es, entre 30 y 80 barias.The present invention relates to capsules for contain a high volume of fluid under pressure, that is, between 30 and 80 bar
Las cápsulas selladas son bien conocidas en circunstancias en las que la fuerza del fluido bajo presión es empleada para dispensar una sustancia tal como descargar cerveza de grifo desde un dispensador de cerveza o expeler agua gaseosa desde un sifón. Pueden usarse también en recipientes de líquidos para bebidas no alcohólicas o cerveza a presión.Sealed capsules are well known in circumstances in which the force of the fluid under pressure is used to dispense a substance such as unloading beer from tap from a beer dispenser or expel soda water from a siphon They can also be used in liquid containers for soft drinks or beer under pressure.
Se conoce también emplear cápsulas selladas que contienen helio a grandes presiones en dispositivos médicos que usan la energía del helio presurizado para impulsar un agente terapéutico a través de la piel de un paciente.It is also known to use sealed capsules that contain high pressure helium in medical devices that use the energy of pressurized helium to boost a therapeutic agent through the skin of a patient.
En la solicitud WO94/24263 publicada de PCT se describe una jeringa sin aguja, que incluye una cápsula de metal que contiene gas de helio a presión elevada que es usado para forzar partículas de un agente terapéutico a través de la piel de un paciente de una manera sustancialmente indolora. La cápsula es retirable del resto de la jeringa y, una vez usada, o se introduce una nueva carga de gas en la cápsula o, más convenientemente, la cápsula puede ser desechada y puede aplicarse al resto de la jeringa una nueva cápsula cargada con gas.In published PC94 application WO94 / 24263, describes a needleless syringe, which includes a metal capsule that contains high pressure helium gas that is used to force particles of a therapeutic agent through the skin of a patient in a substantially painless manner. The capsule is removable from the rest of the syringe and, once used, or inserted a new gas charge in the capsule or, more conveniently, the capsule can be discarded and can be applied to the rest of the syringe a new capsule loaded with gas.
El documento EP 0281 195 describe una cápsula de gas para almacenar helio bajo presión.EP 0281 195 describes a capsule of gas to store helium under pressure.
En el caso en el que la cápsula de gas es un artículo desechable, es importante que pueda ser fabricada de manera sencilla y económica. En aplicaciones médicas, el gas de helio es un fluido favorito por ser muy ligero, lo que lo hace adecuado para usar como propulsor de agentes terapéuticos, ya que cuando incide en la piel de un paciente rebota a la atmósfera y no pasa a través de la piel del paciente. Sin embargo, debido a que el helio es ligero, es difícil de envasar, ya que se fuga a través del más minúsculo fallo del recipiente.In the case where the gas capsule is a disposable item, it is important that it can be manufactured so simple and economical In medical applications, helium gas is a favorite fluid for being very light, which makes it suitable for use as a propellant of therapeutic agents, since when it affects a patient's skin bounces into the atmosphere and does not pass through The patient's skin. However, because helium is light, It is difficult to pack because it leaks through the tiniest container failure.
Es un objetivo del invento presente proporcionar un método para llenar una cápsula con fluido bajo presión elevada; y en particular, un método de llenar una cápsula de gas con helio a una presión de al menos 30 barias.It is an objective of the present invention to provide a method of filling a capsule with fluid under elevated pressure; Y in particular, a method of filling a gas capsule with helium to a pressure of at least 30 bar.
De acuerdo con el invento presente, un método de llenar una cápsula que tiene una porción de cuerpo hueca desde la cual se extiende una porción de cuello hueca con un fluido bajo presión comprende los pasos de:In accordance with the present invention, a method of fill a capsule that has a hollow body portion from the which extends a hollow neck portion with a low fluid Pressure comprises the steps of:
- a)to)
- aplicar de una manera hermética al fluido una tapa de llenado al extremo libre de la porción de cuello para evacuar inicialmente la porción de cuerpo hueco y llenar a continuación la porción de cuerpo hueco con el fluido bajo presión;apply tightly to fluid a filling cap to the free end of the neck portion to initially evacuate the hollow body portion and fill to then the hollow body portion with the fluid under Pressure;
- b)b)
- con la tapa de llenado todavía en su lugar y con presión todavía aplicada al fluido, recalcar o estrechar la porción de cuello en un lugar separado del extremo libre de la porción de cuello;with the filler cap still in place and still pressurized applied to the fluid, emphasize or narrow the neck portion in a place separated from the free end of the neck portion;
- c)C)
- retirar la tapa de llenado dejando expuesto de esta manera el extremo libre de la porción de cuello;remove the filler cap leaving exposed in this way the free end of the portion of neck;
- d)d)
- aplicar un segundo recalcado en o inmediatamente adyacente al extremo libre de la porción de cuello; yapply a second highlight on or immediately adjacent to the free end of the neck portion; Y
- e)and)
- soldar el extremo libre de la porción de cuello para cerrar herméticamente la cápsula.weld the free end of the portion neck to close the capsule tightly.
De preferencia, el fluido es helio a una presión de al menos de 30 barias.Preferably, the fluid is helium at a pressure of at least 30 bars.
Se describirá a continuación una realización del invento a modo de ejemplo, haciendo referencia a las Figuras del dibujo esquemático que se acompañan, en el que:An embodiment of the invention by way of example, referring to the Figures of the accompanying schematic drawing, in which:
la Figura 1 es una vista en planta de una cápsula para contener un fluido bajo presión:Figure 1 is a plan view of a capsule to contain a fluid under pressure:
la Figura 2 es una vista similar a la de la Figura 1, pero mostrando un primer estrechamiento aplicado a una porción de cuello; yFigure 2 is a view similar to that of the Figure 1, but showing a first narrowing applied to a neck portion; Y
la Figura 3 es similar a las Figuras 1 y 2, pero mostrando un segundo estrechamiento aplicado a la porción de cuello de acuerdo con el segundo invento.Figure 3 is similar to Figures 1 and 2, but showing a second narrowing applied to the neck portion according to the second invention.
Como se muestra, una cápsula 1 comprende una porción de cuerpo cilíndrico 2 hecha, por ejemplo, de aluminio o de una aleación de aluminio desde la que se extiende una porción 4 de cuello alargada hueca de menor diámetro que la porción 2 de cuerpo. Inicialmente, la porción 4 de cuello tiene un extremo libre 6 abierto.As shown, a capsule 1 comprises a cylindrical body portion 2 made, for example, of aluminum or an aluminum alloy from which a portion 4 of elongated hollow neck of smaller diameter than body portion 2. Initially, the neck portion 4 has a free end 6 open.
Cuando se desea llenar la cápsula 1 con un fluido tal como helio bajo presión, una tapa de llenado (no mostrada) es aplicada de una manera conocida per se al extremo libre 6 de la porción 4 de cuello. Se aplica un vacío a la tapa de llenado para evacuar la porción 2 de cuerpo de cilindro hueco, después de lo cual la porción 2 de cuerpo es llenada con el fluido bajo presión. Con la tapa de llenado todavía en su lugar sobre el extremo libre de la porción 4 de cuello y presión todavía aplicada al fluido dentro de la porción 2 de cuerpo, la porción 4 de cuerpo es recalcada en un lugar separado de dicho extremo libre 6 (véase la Figura 2). Se hace este estrechamiento lo suficientemente firme para impedir fugas significativas de fluido desde la porción 2 de cuerpo.When it is desired to fill the capsule 1 with a fluid such as helium under pressure, a filling cap (not shown) is applied in a manner known per se to the free end 6 of the neck portion 4. A vacuum is applied to the fill cap to evacuate the hollow cylinder body portion 2, after which the body portion 2 is filled with the fluid under pressure. With the filler cap still in place on the free end of the neck and pressure portion 4 still applied to the fluid within the body portion 2, the body portion 4 is highlighted in a separate location from said free end 6 ( see Figure 2). This narrowing is made firm enough to prevent significant fluid leakage from the body portion 2.
La tapa de llenado es retirada a continuación del extremo libre 6 de la porción 4 de cuello para dejar expuesto dicho extremo libre 6. Inmediatamente después de que dicho extremo libre 6 haya quedado expuesto, se aplica un segundo recalcado (véase la Figura 3) en o inmediatamente adyacente a dicho extremo libre y, sustancialmente al mismo tiempo, el extremo libre 6 es soldado con láser para cerrar herméticamente el extremo de la porción 4 de cuello.The filling cap is removed next from the free end 6 of the neck portion 4 to expose said free end 6. Immediately after said end free 6 has been exposed, a second highlight is applied (see Figure 3) at or immediately adjacent to said free end and, substantially at the same time, the free end 6 is welded with laser to hermetically close the end of portion 4 of neck.
El cometido del primer estrechamiento es impedir que el fluido bajo presión alcance el segundo estrechamiento y por tanto el extremo libre 6, para que la soldadura con láser pueda ser realizada sin que se produzcan orificios permeables al gas. Efectivamente, los dos estrechamientos definen una cámara intermedia que impide o inhibe que el fluido bajo presión alcance el punto en el que el extremo libre 6 de la porción 4 de cuello debe de ser soldado.The purpose of the first narrowing is to prevent that the fluid under pressure reaches the second narrowing and by both the free end 6, so that laser welding can be made without producing gas permeable holes. Indeed, the two narrowings define an intermediate chamber which prevents or inhibits the fluid under pressure from reaching the point in which the free end 6 of the neck portion 4 must be soldier.
Los estrechamientos pueden ser realizados ya sea con un alicate del tipo de recalcado circular o un alicate sencillo plano.Narrows can be performed either with a pliers of the type of circular highlighting or a simple pliers flat.
Cuando la cápsula es para ser usada con una jeringa sin aguja, entonces el fluido deberá ser helio a una presión de al menos 30 barias.When the capsule is to be used with a needleless syringe, then the fluid should be helium at a pressure of at least 30 bars.
Claramente, habrá otras aplicaciones en las que la cápsula contendrá un gas o líquido bajo presión a sustancialmente menos de 30 barias.Clearly, there will be other applications in which the capsule will contain a gas or liquid under pressure at substantially less than 30 bar
Claims (4)
- a)to)
- aplicar de una manera hermética al fluido una tapa de llenado al extremo libre de la porción de cuello para evacuar inicialmente la porción de cuerpo hueco y llenar a continuación la porción de cuerpo hueco con el fluido bajo presión;apply tightly to fluid a filling cap to the free end of the neck portion to initially evacuate the hollow body portion and fill to then the hollow body portion with the fluid under Pressure;
- b)b)
- con la tapa de llenado todavía en su lugar y con presión todavía aplicada al fluido, recalcar o estrechar la porción de cuello en un lugar separado del extremo libre de la porción de cuello;with the filler cap still in place and still pressurized applied to the fluid, emphasize or narrow the neck portion in a place separated from the free end of the neck portion;
- c)C)
- retirar la tapa de llenado dejando expuesto de esta manera el extremo libre de la porción de cuello;remove the filler cap leaving exposed in this way the free end of the portion of neck;
- d)d)
- aplicar un segundo recalcado en o inmediatamente adyacente al extremo libre de la porción de cuello; yapply a second highlight on or immediately adjacent to the free end of the neck portion; Y
- e)and)
- soldar el extremo libre de la porción de cuello para cerrar herméticamente la cápsula.weld the free end of the portion neck to close the capsule tightly.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9807175 | 1998-04-03 | ||
| GBGB9807175.6A GB9807175D0 (en) | 1998-04-03 | 1998-04-03 | Gas capsule |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2274603T3 true ES2274603T3 (en) | 2007-05-16 |
Family
ID=10829802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES99302130T Expired - Lifetime ES2274603T3 (en) | 1998-04-03 | 1999-03-19 | GAS CAPSULE. |
Country Status (12)
| Country | Link |
|---|---|
| EP (1) | EP0947760B1 (en) |
| JP (1) | JP2000028096A (en) |
| AU (1) | AU742318B2 (en) |
| CA (1) | CA2267483C (en) |
| CZ (1) | CZ300634B6 (en) |
| DE (1) | DE69934159T2 (en) |
| ES (1) | ES2274603T3 (en) |
| GB (1) | GB9807175D0 (en) |
| HU (1) | HU226351B1 (en) |
| PL (1) | PL190106B1 (en) |
| SK (1) | SK285394B6 (en) |
| ZA (1) | ZA992515B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2895060B1 (en) * | 2005-12-20 | 2008-02-15 | Renault Sas | DEVICE FOR FILLING A GAS BOTTLE. |
| RU2690394C2 (en) * | 2017-10-03 | 2019-06-03 | Акционерное общество "Военно-промышленная корпорация "Научно-производственное объединение машиностроения" | Device for gas cylinder charging and sealing by welding |
| WO2019152965A1 (en) * | 2018-02-05 | 2019-08-08 | Airgas, Inc. | Method for filling pressurized gas cartridges for medical use |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2837880A (en) * | 1956-06-27 | 1958-06-10 | Sylvania Electric Prod | Lamp sealing method |
| US3141225A (en) * | 1960-05-23 | 1964-07-21 | Gen Electric | Method of sealing a metal tubulation |
| US4204378A (en) * | 1978-04-24 | 1980-05-27 | General Electric Company | Method of closing a capillary tube |
| JPS6057099A (en) * | 1983-09-06 | 1985-04-02 | Akutoronikusu Kk | Construction of seal part in pressure vessel |
| EP0757202B1 (en) * | 1995-08-02 | 2003-05-14 | The BOC Group plc | Gas delivery system |
| US5695215A (en) * | 1996-04-24 | 1997-12-09 | Trw Inc. | Fill tube for air bag inflator |
| CA2209406C (en) * | 1996-07-24 | 2007-05-15 | David W. Birch | Gas capsule and gas delivery system |
| EP0888790A1 (en) * | 1997-07-04 | 1999-01-07 | PowderJect Research Limited | Drug particle delivery device |
-
1998
- 1998-04-03 GB GBGB9807175.6A patent/GB9807175D0/en not_active Ceased
-
1999
- 1999-03-19 DE DE69934159T patent/DE69934159T2/en not_active Expired - Fee Related
- 1999-03-19 EP EP99302130A patent/EP0947760B1/en not_active Expired - Lifetime
- 1999-03-19 ES ES99302130T patent/ES2274603T3/en not_active Expired - Lifetime
- 1999-03-26 HU HU9900776A patent/HU226351B1/en not_active IP Right Cessation
- 1999-03-29 CA CA002267483A patent/CA2267483C/en not_active Expired - Fee Related
- 1999-03-29 AU AU22455/99A patent/AU742318B2/en not_active Ceased
- 1999-03-29 CZ CZ0111599A patent/CZ300634B6/en not_active IP Right Cessation
- 1999-04-01 SK SK439-99A patent/SK285394B6/en not_active IP Right Cessation
- 1999-04-01 PL PL99332350A patent/PL190106B1/en not_active IP Right Cessation
- 1999-04-01 ZA ZA9902515A patent/ZA992515B/en unknown
- 1999-04-02 JP JP11096426A patent/JP2000028096A/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| PL332350A1 (en) | 1999-10-11 |
| SK285394B6 (en) | 2007-01-04 |
| DE69934159T2 (en) | 2007-09-27 |
| DE69934159D1 (en) | 2007-01-11 |
| EP0947760A3 (en) | 1999-12-01 |
| PL190106B1 (en) | 2005-10-31 |
| HU226351B1 (en) | 2008-09-29 |
| HU9900776D0 (en) | 1999-05-28 |
| HUP9900776A3 (en) | 2001-06-28 |
| JP2000028096A (en) | 2000-01-25 |
| EP0947760B1 (en) | 2006-11-29 |
| GB9807175D0 (en) | 1998-06-03 |
| HUP9900776A2 (en) | 2000-05-28 |
| CZ300634B6 (en) | 2009-07-08 |
| EP0947760A2 (en) | 1999-10-06 |
| CZ111599A3 (en) | 1999-12-15 |
| ZA992515B (en) | 1999-10-05 |
| AU742318B2 (en) | 2001-12-20 |
| CA2267483A1 (en) | 1999-10-03 |
| CA2267483C (en) | 2007-01-30 |
| AU2245599A (en) | 1999-10-14 |
| SK43999A3 (en) | 1999-11-08 |
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