GB1266341A - - Google Patents
Info
- Publication number
- GB1266341A GB1266341A GB1266341DA GB1266341A GB 1266341 A GB1266341 A GB 1266341A GB 1266341D A GB1266341D A GB 1266341DA GB 1266341 A GB1266341 A GB 1266341A
- Authority
- GB
- United Kingdom
- Prior art keywords
- gas
- sheet material
- test
- scroll
- halves
- 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
- 239000007789 gas Substances 0.000 abstract 5
- 239000012159 carrier gas Substances 0.000 abstract 3
- 239000000463 material Substances 0.000 abstract 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract 1
- PDMMFKSKQVNJMI-BLQWBTBKSA-N Testosterone propionate Chemical compound C1CC2=CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@H](OC(=O)CC)[C@@]1(C)CC2 PDMMFKSKQVNJMI-BLQWBTBKSA-N 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 abstract 1
- 229910001873 dinitrogen Inorganic materials 0.000 abstract 1
- 239000001307 helium Substances 0.000 abstract 1
- 229910052734 helium Inorganic materials 0.000 abstract 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 abstract 1
- 230000035699 permeability Effects 0.000 abstract 1
- 238000010926 purge Methods 0.000 abstract 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
Landscapes
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Examining Or Testing Airtightness (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1126768 | 1968-03-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1266341A true GB1266341A (fr) | 1972-03-08 |
Family
ID=9983068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1266341D Expired GB1266341A (fr) | 1968-03-07 | 1968-03-07 |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1266341A (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2197080A (en) * | 1986-11-05 | 1988-05-11 | City Tech | Permeability/diffusion measurement |
-
1968
- 1968-03-07 GB GB1266341D patent/GB1266341A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2197080A (en) * | 1986-11-05 | 1988-05-11 | City Tech | Permeability/diffusion measurement |
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| GB1266341A (fr) | ||
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PLE | Entries relating assignments, transmissions, licences in the register of patents | ||
| PLNP | Patent lapsed through nonpayment of renewal fees |