JPH0545135B2 - - Google Patents
Info
- Publication number
- JPH0545135B2 JPH0545135B2 JP60283188A JP28318885A JPH0545135B2 JP H0545135 B2 JPH0545135 B2 JP H0545135B2 JP 60283188 A JP60283188 A JP 60283188A JP 28318885 A JP28318885 A JP 28318885A JP H0545135 B2 JPH0545135 B2 JP H0545135B2
- Authority
- JP
- Japan
- Prior art keywords
- output
- measuring
- pressure
- sample
- valve
- 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
- 239000012530 fluid Substances 0.000 claims description 7
- 230000003321 amplification Effects 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 238000005259 measurement Methods 0.000 description 15
- 235000019504 cigarettes Nutrition 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 230000035699 permeability Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000003990 capacitor Substances 0.000 description 2
- 238000011002 quantification Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/082—Investigating permeability by forcing a fluid through a sample
- G01N15/0826—Investigating permeability by forcing a fluid through a sample and measuring fluid flow rate, i.e. permeation rate or pressure change
Landscapes
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
- Measuring Fluid Pressure (AREA)
- Sampling And Sample Adjustment (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8419434 | 1984-12-19 | ||
| FR8419434A FR2574932B1 (fr) | 1984-12-19 | 1984-12-19 | Appareil de mesure des caracteristiques debit-pression d'un gaz traversant un echantillon de produit a deux faces |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61149845A JPS61149845A (ja) | 1986-07-08 |
| JPH0545135B2 true JPH0545135B2 (OSRAM) | 1993-07-08 |
Family
ID=9310765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60283188A Granted JPS61149845A (ja) | 1984-12-19 | 1985-12-18 | ガスの流体圧特性の測定装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4651557A (OSRAM) |
| EP (1) | EP0187089B1 (OSRAM) |
| JP (1) | JPS61149845A (OSRAM) |
| DE (1) | DE3574410D1 (OSRAM) |
| FR (1) | FR2574932B1 (OSRAM) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9414540D0 (en) * | 1994-07-19 | 1994-09-07 | At & T Global Inf Solution | Apparatus for assessing the condition of a bank note |
| FR2773882B1 (fr) * | 1998-01-22 | 2000-03-10 | Tabacs & Allumettes Ind | Permeametre a large plage de mesure |
| AU5554199A (en) * | 1998-08-11 | 2000-03-06 | Penn State Research Foundation, The | Rapid method to experimentally measure the gas permeability of micro-perforated films |
| AUPQ726600A0 (en) | 2000-05-03 | 2000-05-25 | Structural Monitoring Systems Ltd | System and method for continuous monitoring of the structural integrity of a component or structure |
| AUPQ788000A0 (en) * | 2000-05-30 | 2000-06-22 | Structural Monitoring Systems Ltd | Apparatus and method for measurement of the permeability of materials |
| AUPQ823500A0 (en) | 2000-06-19 | 2000-07-13 | Structural Monitoring Systems Ltd | Apparatus for condition monitoring the integrity of fasteners and fastened joints |
| AUPR260301A0 (en) | 2001-01-18 | 2001-02-15 | Structural Monitoring Systems Ltd | Method and apparatus for remote continuous condition monitoring of a structure |
| US7500383B2 (en) * | 2001-07-13 | 2009-03-10 | Structural Monitoring Systems, Ltd. | Method and apparatus for monitoring the integrity of components and structures |
| FR2829238B1 (fr) * | 2001-08-28 | 2003-12-05 | Tabacs & Allumettes Ind | Procede et dispositif pour la determination automatique de la permeabilite d'un objet en matiere poreuse a plusieurs niveaux de porosite alternes |
| JP4307974B2 (ja) * | 2003-12-12 | 2009-08-05 | 日本碍子株式会社 | フィルタの圧力損失測定装置 |
| JP2009200212A (ja) * | 2008-02-21 | 2009-09-03 | Keihin Corp | プリント基板の放熱構造 |
| US10060844B2 (en) | 2016-05-23 | 2018-08-28 | Honeywell International Inc. | Pressure response method for determining properties of species-dependent leakages in gas processing equipment |
| CN106370579A (zh) * | 2016-08-30 | 2017-02-01 | 海安华达石油仪器有限公司 | 一种气体渗透率测定仪 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3371518A (en) * | 1965-02-12 | 1968-03-05 | Beloit Corp | Device for continuously measuring porosity |
| US3466925A (en) * | 1967-08-09 | 1969-09-16 | Cons Paper Inc | Method and apparatus for measuring porosity |
| GB1239408A (OSRAM) * | 1967-10-11 | 1971-07-14 | ||
| US4191046A (en) * | 1977-07-01 | 1980-03-04 | British-American Tobacco Company Limited | Permeability meters |
| US4198853A (en) * | 1977-11-04 | 1980-04-22 | American Filtrona Corporation | Porosity measurement |
| US4311037A (en) * | 1980-03-19 | 1982-01-19 | Scott Paper Company | Web permeability tester |
| US4471649A (en) * | 1981-02-20 | 1984-09-18 | British-American Tobacco Company Limited | Permeability monitoring of sheet materials |
| GB2094986B (en) * | 1981-03-18 | 1985-01-03 | British American Tobacco Co | Automatic pressure/flow device |
| US4462248A (en) * | 1981-03-18 | 1984-07-31 | British-American Tobacco Company Limited | Automatic pressure/flow device |
| DE3111318C2 (de) * | 1981-03-23 | 1983-03-17 | B.A.T. Cigaretten-Fabriken Gmbh, 2000 Hamburg | Verfahren zur Bestimmung des Zugwiderstandes und/oder der Gasdurchlässigkeit eines Prüflings sowie Einrichtung zur Durchführung eines solchen Verfahrens |
| US4495796A (en) * | 1982-10-25 | 1985-01-29 | R. J. Reynolds Tobacco Company | Apparatus and method for measuring permeability of a moving web |
| GB2132366B (en) * | 1982-12-27 | 1987-04-08 | Brunswick Corp | Method and device for testing the permeability of membrane filters |
-
1984
- 1984-12-19 FR FR8419434A patent/FR2574932B1/fr not_active Expired
-
1985
- 1985-12-11 EP EP85402464A patent/EP0187089B1/fr not_active Expired
- 1985-12-11 DE DE8585402464T patent/DE3574410D1/de not_active Expired
- 1985-12-11 US US06/807,816 patent/US4651557A/en not_active Expired - Lifetime
- 1985-12-18 JP JP60283188A patent/JPS61149845A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| EP0187089B1 (fr) | 1989-11-23 |
| EP0187089A1 (fr) | 1986-07-09 |
| DE3574410D1 (en) | 1989-12-28 |
| FR2574932A1 (fr) | 1986-06-20 |
| US4651557A (en) | 1987-03-24 |
| FR2574932B1 (fr) | 1987-07-10 |
| JPS61149845A (ja) | 1986-07-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| EXPY | Cancellation because of completion of term |