FR2181292A5 - - Google Patents
Info
- Publication number
- FR2181292A5 FR2181292A5 FR7308097A FR7308097A FR2181292A5 FR 2181292 A5 FR2181292 A5 FR 2181292A5 FR 7308097 A FR7308097 A FR 7308097A FR 7308097 A FR7308097 A FR 7308097A FR 2181292 A5 FR2181292 A5 FR 2181292A5
- Authority
- FR
- France
- 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
- 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)
- Examining Or Testing Airtightness (AREA)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH575072A CH551005A (de) | 1972-04-18 | 1972-04-18 | Verfahren und vorrichtung zur bestimmung der gasdurchlaessigkeit von folien. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2181292A5 true FR2181292A5 (fr) | 1973-11-30 |
Family
ID=4298715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7308097A Expired FR2181292A5 (fr) | 1972-04-18 | 1973-03-07 |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH551005A (fr) |
| DE (1) | DE2310255A1 (fr) |
| FR (1) | FR2181292A5 (fr) |
| GB (1) | GB1345460A (fr) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH618013A5 (fr) * | 1977-05-20 | 1980-06-30 | Lyssy Georges H | |
| US4534208A (en) * | 1983-11-09 | 1985-08-13 | Motorola, Inc. | Method and apparatus for testing a sealed container |
| US5088316A (en) * | 1989-09-27 | 1992-02-18 | Versar, Inc. | Apparatus and method for testing material samples for gas diffusion characteristics |
| DE10344992A1 (de) * | 2003-09-27 | 2005-05-19 | Bayerische Motoren Werke Ag | Prüfverfahren und -vorrichtung für luftdurchlässige Materialien |
| CN104132879B (zh) * | 2014-07-22 | 2017-11-21 | 嘉兴市梦迪织造有限公司 | 一种抗紫外线大麻针织面料透气性检测机 |
| CN111337405B (zh) * | 2020-03-20 | 2022-12-09 | 山东伟基炭科技有限公司 | 一种石墨材料的透气度的测试装置 |
| CN112630118B (zh) * | 2020-11-16 | 2022-07-26 | 苏州开洛泰克科学仪器科技有限公司 | 一种致密材料的气体渗透率测量装置和测量方法 |
| CN113933224A (zh) * | 2021-10-26 | 2022-01-14 | 航天特种材料及工艺技术研究所 | 一种热防护材料高温透气性测试系统及方法 |
-
1972
- 1972-04-18 CH CH575072A patent/CH551005A/xx not_active IP Right Cessation
- 1972-11-15 GB GB5280772A patent/GB1345460A/en not_active Expired
-
1973
- 1973-03-01 DE DE19732310255 patent/DE2310255A1/de active Pending
- 1973-03-07 FR FR7308097A patent/FR2181292A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1345460A (en) | 1974-01-30 |
| CH551005A (de) | 1974-06-28 |
| DE2310255A1 (de) | 1973-11-08 |