GB1420364A - Mechanism for automatically measuring and dispensing unit quantities of dry powder - Google Patents
Mechanism for automatically measuring and dispensing unit quantities of dry powderInfo
- Publication number
- GB1420364A GB1420364A GB1996873A GB1996873A GB1420364A GB 1420364 A GB1420364 A GB 1420364A GB 1996873 A GB1996873 A GB 1996873A GB 1996873 A GB1996873 A GB 1996873A GB 1420364 A GB1420364 A GB 1420364A
- Authority
- GB
- United Kingdom
- Prior art keywords
- powder
- cylinder housing
- filter element
- membrane
- dry powder
- 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
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F11/00—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it
- G01F11/02—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement
- G01F11/08—Apparatus requiring external operation adapted at each repeated and identical operation to measure and separate a predetermined volume of fluid or fluent solid material from a supply or container, without regard to weight, and to deliver it with measuring chambers which expand or contract during measurement of the diaphragm or bellows type
Abstract
1420364 Delivering measured quantities of powder PERRY INDUSTRIES Inc 26 April 1973 19968/73 Heading B8N Measured quantities of dry powder are dispensed from a cavity 21 by applying suction and pressure to one side of a foraminous membrane 2 made from a piece of woven synthetic fibre. The membrane 2 may be mounted on a filter element 1 having an interengaging portion 4 which permits quick-change replacement when moved out of its cylinder housing 12. The membrane 2 may be made of woven fibres of nylon, polyester, rayon or acetate and heatwelded to the filter element under tension. In operation, the open end of the cylinder housing 12 is introduced into a bed of powder and a vacuum applied to draw and maintain a measured quantity of powder within the cavity 21. The cylinder housing is then withdrawn and positioned over a container which receives the powder when the vacuum is terminated and a pressure applied. To change the filter element 1 a coupling 15 attached to the cylinder housing is rotated to cause the downward movement of the air suction and supply tube 9 and an attachment element 6 which is welded to its lower end. Upon reaching the lower end of the cylinder housing 12, the filter element 1 can be readily removed from the attachment element 6.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1996873A GB1420364A (en) | 1973-04-26 | 1973-04-26 | Mechanism for automatically measuring and dispensing unit quantities of dry powder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1996873A GB1420364A (en) | 1973-04-26 | 1973-04-26 | Mechanism for automatically measuring and dispensing unit quantities of dry powder |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1420364A true GB1420364A (en) | 1976-01-07 |
Family
ID=10138117
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1996873A Expired GB1420364A (en) | 1973-04-26 | 1973-04-26 | Mechanism for automatically measuring and dispensing unit quantities of dry powder |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1420364A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997041031A1 (en) | 1996-04-26 | 1997-11-06 | Inhale Therapeutic Systems | Powder filling systems, apparatus and methods |
US5722470A (en) * | 1995-11-09 | 1998-03-03 | Glaxo Group Limited | Bead dispensing device and methods |
US6151973A (en) * | 1999-01-29 | 2000-11-28 | Glaxo Wellcome Inc. | Bead picking apparatus and method |
US6182712B1 (en) | 1997-07-21 | 2001-02-06 | Inhale Therapeutic Systems | Power filling apparatus and methods for their use |
US6357490B1 (en) | 2000-08-22 | 2002-03-19 | Advanced Inhalation Research, Inc. | System, method and apparatus for filling containers |
EP1354795A2 (en) | 1997-10-10 | 2003-10-22 | Nektar Therapeutics | Method and apparatus for transporting a fine powder |
US7237699B2 (en) | 2003-06-12 | 2007-07-03 | Harro Hofliger Verpackungsmaschinen Gmbh | Filter piston apparatus for dispensing pulverulent bulk material |
US7552655B2 (en) | 1999-12-17 | 2009-06-30 | Novartis Pharma Ag | Systems and methods for non-destructive mass sensing |
-
1973
- 1973-04-26 GB GB1996873A patent/GB1420364A/en not_active Expired
Cited By (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5722470A (en) * | 1995-11-09 | 1998-03-03 | Glaxo Group Limited | Bead dispensing device and methods |
US7624771B2 (en) | 1996-04-26 | 2009-12-01 | Novartis Pharma Ag | Powder filling systems, apparatus and methods |
US5826633A (en) * | 1996-04-26 | 1998-10-27 | Inhale Therapeutic Systems | Powder filling systems, apparatus and methods |
US6267155B1 (en) | 1996-04-26 | 2001-07-31 | Inhale Therapeutic Systems Inc. | Powder filling systems, apparatus and methods |
US6581650B2 (en) | 1996-04-26 | 2003-06-24 | Nektar Therapeutics | Powder filling systems, apparatus and methods |
WO1997041031A1 (en) | 1996-04-26 | 1997-11-06 | Inhale Therapeutic Systems | Powder filling systems, apparatus and methods |
US7669617B2 (en) | 1996-04-26 | 2010-03-02 | Novartis Pharma Ag | Powder filling systems, apparatus and methods |
US8783305B2 (en) | 1997-07-21 | 2014-07-22 | Novartis Ag | Powder filling apparatus and methods for their use |
US6182712B1 (en) | 1997-07-21 | 2001-02-06 | Inhale Therapeutic Systems | Power filling apparatus and methods for their use |
USRE42942E1 (en) | 1997-07-21 | 2011-11-22 | Novartis Ag | Powder filling apparatus and methods for their use |
EP1354795A2 (en) | 1997-10-10 | 2003-10-22 | Nektar Therapeutics | Method and apparatus for transporting a fine powder |
US6151973A (en) * | 1999-01-29 | 2000-11-28 | Glaxo Wellcome Inc. | Bead picking apparatus and method |
US7552655B2 (en) | 1999-12-17 | 2009-06-30 | Novartis Pharma Ag | Systems and methods for non-destructive mass sensing |
US8061222B2 (en) | 1999-12-17 | 2011-11-22 | Novartis Ag | Systems and methods for non-destructive mass sensing |
US6959522B2 (en) | 2000-08-22 | 2005-11-01 | Advanced Inhalation Research, Inc. | System for filling containers |
US6715259B2 (en) | 2000-08-22 | 2004-04-06 | Advanced Inhalation Research, Inc. | System for filling containers |
US6357490B1 (en) | 2000-08-22 | 2002-03-19 | Advanced Inhalation Research, Inc. | System, method and apparatus for filling containers |
US7237699B2 (en) | 2003-06-12 | 2007-07-03 | Harro Hofliger Verpackungsmaschinen Gmbh | Filter piston apparatus for dispensing pulverulent bulk material |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |