FI793819A - Foerfarande och anordning foer maetning av porositet - Google Patents
Foerfarande och anordning foer maetning av porositetInfo
- Publication number
- FI793819A FI793819A FI793819A FI793819A FI793819A FI 793819 A FI793819 A FI 793819A FI 793819 A FI793819 A FI 793819A FI 793819 A FI793819 A FI 793819A FI 793819 A FI793819 A FI 793819A
- Authority
- FI
- Finland
- Prior art keywords
- porositet
- anordning foer
- och anordning
- foerfarande och
- foer maetning
- Prior art date
Links
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)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Fluid Mechanics (AREA)
- Dispersion Chemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measuring Volume Flow (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Flow Control (AREA)
- Measuring Arrangements Characterized By The Use Of Fluids (AREA)
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/967,250 US4198854A (en) | 1978-12-07 | 1978-12-07 | Method and apparatus for measuring porosity |
Publications (1)
Publication Number | Publication Date |
---|---|
FI793819A true FI793819A (fi) | 1980-06-08 |
Family
ID=25512514
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI793819A FI793819A (fi) | 1978-12-07 | 1979-12-05 | Foerfarande och anordning foer maetning av porositet |
Country Status (11)
Country | Link |
---|---|
US (1) | US4198854A (fi) |
CA (1) | CA1097940A (fi) |
DE (1) | DE2949200A1 (fi) |
ES (1) | ES486639A0 (fi) |
FI (1) | FI793819A (fi) |
FR (1) | FR2443675A1 (fi) |
GB (1) | GB2038002B (fi) |
IT (1) | IT1164082B (fi) |
NL (1) | NL7908733A (fi) |
SE (1) | SE7910070L (fi) |
YU (1) | YU296579A (fi) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US4555934A (en) * | 1982-09-29 | 1985-12-03 | Core Laboratories, Inc. | Method and apparatus for nonsteady state testing of permeability |
US4495796A (en) * | 1982-10-25 | 1985-01-29 | R. J. Reynolds Tobacco Company | Apparatus and method for measuring permeability of a moving web |
GB8313635D0 (en) * | 1983-05-17 | 1983-06-22 | Whatman Reeve Angel Plc | Porosimeter |
GB2140163A (en) * | 1983-05-17 | 1984-11-21 | Coulter Electronics | Porosimeter and methods of assessing porosity |
DE3537896A1 (de) * | 1985-10-24 | 1987-04-30 | Gessner & Co Gmbh | Verfahren und vorrichtung zur kontinuierlichen messung der porositaet |
US4864845A (en) * | 1987-09-29 | 1989-09-12 | Board Of Regents University Of Texas System | Electronic field permeameter |
US5832409A (en) * | 1995-03-02 | 1998-11-03 | Schlumberger Technology Corporation | Automated gas permeameter |
US7013916B1 (en) | 1997-11-14 | 2006-03-21 | Air Products And Chemicals, Inc. | Sub-atmospheric gas delivery method and apparatus |
FI981674A (fi) * | 1998-04-01 | 1999-10-02 | Juhani Hartikainen | Menetelmä ja laite kaasun läpäisevyyden mittaamiseksi huokoisen kalvomaisen materiaalin läpi |
WO1999066306A1 (en) * | 1998-06-15 | 1999-12-23 | The United States Of America | Apparatus and method for determining transport properties of porous materials |
US7150299B2 (en) | 2003-09-12 | 2006-12-19 | Air Products And Chemicals, Inc. | Assembly and method for containing, receiving and storing fluids and for dispensing gas from a fluid control and gas delivery assembly having an integrated fluid flow restrictor |
US7530278B2 (en) * | 2006-11-02 | 2009-05-12 | Rivatek, Inc. | Fluid flow blender and methods |
DE102010019178A1 (de) * | 2010-04-30 | 2011-11-03 | Steinel Gmbh | Vorrichtung und Verfahren zur Prüfung der Luftdurchlässigkeit von Textilien |
CN102323199B (zh) * | 2011-08-09 | 2014-02-05 | 中国石油天然气股份有限公司 | 一种孔隙度测定实验设计方法及其设计系统 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2861451A (en) * | 1954-11-29 | 1958-11-25 | Sheffield Corp | Fluid leakage gauging device |
GB980058A (en) * | 1961-07-07 | 1965-01-13 | Wiggins Teape Res Dev | Improvements in or relating to devices and methods for measuring variations in the air permeability and/or surface roughness of a moving web of material |
US3371518A (en) * | 1965-02-12 | 1968-03-05 | Beloit Corp | Device for continuously measuring porosity |
GB2001444B (en) * | 1977-07-01 | 1982-04-15 | British American Tobacco Co | Instrument for measuring gas permeability |
-
1978
- 1978-12-07 US US05/967,250 patent/US4198854A/en not_active Expired - Lifetime
-
1979
- 1979-11-30 CA CA340,978A patent/CA1097940A/en not_active Expired
- 1979-12-03 NL NL7908733A patent/NL7908733A/nl not_active Application Discontinuation
- 1979-12-05 YU YU02965/79A patent/YU296579A/xx unknown
- 1979-12-05 FI FI793819A patent/FI793819A/fi not_active Application Discontinuation
- 1979-12-06 SE SE7910070A patent/SE7910070L/ not_active Application Discontinuation
- 1979-12-06 DE DE19792949200 patent/DE2949200A1/de not_active Withdrawn
- 1979-12-06 FR FR7929989A patent/FR2443675A1/fr active Granted
- 1979-12-06 ES ES486639A patent/ES486639A0/es active Granted
- 1979-12-06 GB GB7942186A patent/GB2038002B/en not_active Expired
- 1979-12-07 IT IT51026/79A patent/IT1164082B/it active
Also Published As
Publication number | Publication date |
---|---|
SE7910070L (sv) | 1980-06-08 |
IT7951026A0 (it) | 1979-12-07 |
GB2038002B (en) | 1983-04-13 |
ES8102355A1 (es) | 1980-12-16 |
DE2949200A1 (de) | 1980-06-12 |
US4198854A (en) | 1980-04-22 |
NL7908733A (nl) | 1980-06-10 |
IT1164082B (it) | 1987-04-08 |
CA1097940A (en) | 1981-03-24 |
ES486639A0 (es) | 1980-12-16 |
YU296579A (en) | 1984-02-29 |
FR2443675A1 (fr) | 1980-07-04 |
GB2038002A (en) | 1980-07-16 |
FR2443675B1 (fi) | 1984-04-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD | Application lapsed |
Owner name: PHILIP MORRIS INCORPORATED |