GB2093597B - Permeability monitoring of sheet materials - Google Patents

Permeability monitoring of sheet materials

Info

Publication number
GB2093597B
GB2093597B GB8203912A GB8203912A GB2093597B GB 2093597 B GB2093597 B GB 2093597B GB 8203912 A GB8203912 A GB 8203912A GB 8203912 A GB8203912 A GB 8203912A GB 2093597 B GB2093597 B GB 2093597B
Authority
GB
United Kingdom
Prior art keywords
sheet materials
permeability monitoring
permeability
monitoring
sheet
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
Application number
GB8203912A
Other versions
GB2093597A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
British American Tobacco Investments Ltd
Original Assignee
British American Tobacco Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by British American Tobacco Co Ltd filed Critical British American Tobacco Co Ltd
Priority to GB8203912A priority Critical patent/GB2093597B/en
Publication of GB2093597A publication Critical patent/GB2093597A/en
Application granted granted Critical
Publication of GB2093597B publication Critical patent/GB2093597B/en
Expired legal-status Critical Current

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)
GB8203912A 1981-02-20 1982-02-10 Permeability monitoring of sheet materials Expired GB2093597B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8203912A GB2093597B (en) 1981-02-20 1982-02-10 Permeability monitoring of sheet materials

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8105351 1981-02-20
GB8203912A GB2093597B (en) 1981-02-20 1982-02-10 Permeability monitoring of sheet materials

Publications (2)

Publication Number Publication Date
GB2093597A GB2093597A (en) 1982-09-02
GB2093597B true GB2093597B (en) 1985-11-13

Family

ID=26278512

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8203912A Expired GB2093597B (en) 1981-02-20 1982-02-10 Permeability monitoring of sheet materials

Country Status (1)

Country Link
GB (1) GB2093597B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI97914C (en) * 1995-10-23 1997-03-10 Valmet Corp Method and apparatus for measuring the air permeability of a drying wire
IT1283445B1 (en) * 1996-07-18 1998-04-21 Getters Spa PROCEDURE FOR MEASURING GASEOUS PERMEABILITY AND APPARATUS CARRYING OUT THIS PROCEDURE
WO2023218132A1 (en) * 2022-05-13 2023-11-16 Aalto University Foundation Sr Porosity and/or permeability measurement device and method

Also Published As

Publication number Publication date
GB2093597A (en) 1982-09-02

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee