FR2666412B1 - DEVICE FOR MONITORING AND MEASURING THE AIR POROSITY OF A PERMEABLE OBJECT, IN SHEET OR THE LIKE. - Google Patents

DEVICE FOR MONITORING AND MEASURING THE AIR POROSITY OF A PERMEABLE OBJECT, IN SHEET OR THE LIKE.

Info

Publication number
FR2666412B1
FR2666412B1 FR9010890A FR9010890A FR2666412B1 FR 2666412 B1 FR2666412 B1 FR 2666412B1 FR 9010890 A FR9010890 A FR 9010890A FR 9010890 A FR9010890 A FR 9010890A FR 2666412 B1 FR2666412 B1 FR 2666412B1
Authority
FR
France
Prior art keywords
monitoring
measuring
sheet
air porosity
permeable object
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 - Lifetime
Application number
FR9010890A
Other languages
French (fr)
Other versions
FR2666412A1 (en
Inventor
Giraudeau Max
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR9010890A priority Critical patent/FR2666412B1/en
Publication of FR2666412A1 publication Critical patent/FR2666412A1/en
Application granted granted Critical
Publication of FR2666412B1 publication Critical patent/FR2666412B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
FR9010890A 1990-08-31 1990-08-31 DEVICE FOR MONITORING AND MEASURING THE AIR POROSITY OF A PERMEABLE OBJECT, IN SHEET OR THE LIKE. Expired - Lifetime FR2666412B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9010890A FR2666412B1 (en) 1990-08-31 1990-08-31 DEVICE FOR MONITORING AND MEASURING THE AIR POROSITY OF A PERMEABLE OBJECT, IN SHEET OR THE LIKE.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9010890A FR2666412B1 (en) 1990-08-31 1990-08-31 DEVICE FOR MONITORING AND MEASURING THE AIR POROSITY OF A PERMEABLE OBJECT, IN SHEET OR THE LIKE.

Publications (2)

Publication Number Publication Date
FR2666412A1 FR2666412A1 (en) 1992-03-06
FR2666412B1 true FR2666412B1 (en) 1992-12-11

Family

ID=9400003

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9010890A Expired - Lifetime FR2666412B1 (en) 1990-08-31 1990-08-31 DEVICE FOR MONITORING AND MEASURING THE AIR POROSITY OF A PERMEABLE OBJECT, IN SHEET OR THE LIKE.

Country Status (1)

Country Link
FR (1) FR2666412B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108019263A (en) * 2018-01-17 2018-05-11 山东奥福环保科技股份有限公司 Test equipment for the stomata circulation of diesel emission particulate trap
CN113319004B (en) * 2019-12-06 2022-05-03 浙江厚达智能科技股份有限公司 Traditional Chinese medicine conveying mechanism capable of sorting out defective bottled traditional Chinese medicines

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2293488A (en) * 1938-04-06 1942-08-18 Stanolind Oil & Gas Co Apparatus for determining permeability
US2516188A (en) * 1947-04-07 1950-07-25 Harry W Dietert Company Permeability meter
US2659433A (en) * 1950-02-03 1953-11-17 Clemson Agricultural College O Porosity tester
US3140599A (en) * 1961-12-07 1964-07-14 Pure Oil Co Method and apparatus for determining permeability of earth formations

Also Published As

Publication number Publication date
FR2666412A1 (en) 1992-03-06

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse