GB2095411B - Paper porosity - Google Patents

Paper porosity

Info

Publication number
GB2095411B
GB2095411B GB8103923A GB8103923A GB2095411B GB 2095411 B GB2095411 B GB 2095411B GB 8103923 A GB8103923 A GB 8103923A GB 8103923 A GB8103923 A GB 8103923A GB 2095411 B GB2095411 B GB 2095411B
Authority
GB
United Kingdom
Prior art keywords
paper porosity
porosity
paper
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
GB8103923A
Other versions
GB2095411A (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.)
Essentra PLC
Original Assignee
Filtrona PLC
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 Filtrona PLC filed Critical Filtrona PLC
Priority to GB8103923A priority Critical patent/GB2095411B/en
Publication of GB2095411A publication Critical patent/GB2095411A/en
Application granted granted Critical
Publication of GB2095411B publication Critical patent/GB2095411B/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)
  • Sampling And Sample Adjustment (AREA)
GB8103923A 1981-02-09 1981-02-09 Paper porosity Expired GB2095411B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8103923A GB2095411B (en) 1981-02-09 1981-02-09 Paper porosity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8103923A GB2095411B (en) 1981-02-09 1981-02-09 Paper porosity

Publications (2)

Publication Number Publication Date
GB2095411A GB2095411A (en) 1982-09-29
GB2095411B true GB2095411B (en) 1985-06-12

Family

ID=10519555

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8103923A Expired GB2095411B (en) 1981-02-09 1981-02-09 Paper porosity

Country Status (1)

Country Link
GB (1) GB2095411B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (en) * 1985-10-24 1987-04-30 Gessner & Co Gmbh METHOD AND DEVICE FOR CONTINUOUSLY MEASURING POROSITY
FI77331C (en) * 1986-04-10 1989-02-10 Valmet Oy FOERFARANDE OCH ANORDNING FOER MAETNING AV LUFTGENOMTRAENGLIGHETEN HOS EN VAEGG, SAERSKILT EN VIRA ELLER FILT I EN PAPPERSMASKIN.
GB2363697B (en) * 2000-06-20 2004-02-25 Filtrona Instr & Automation Check rod

Also Published As

Publication number Publication date
GB2095411A (en) 1982-09-29

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Legal Events

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