FR2643715B1 - Dispositif pour determiner la permeabilite a l'air d'une bande de matiere - Google Patents

Dispositif pour determiner la permeabilite a l'air d'une bande de matiere

Info

Publication number
FR2643715B1
FR2643715B1 FR9002341A FR9002341A FR2643715B1 FR 2643715 B1 FR2643715 B1 FR 2643715B1 FR 9002341 A FR9002341 A FR 9002341A FR 9002341 A FR9002341 A FR 9002341A FR 2643715 B1 FR2643715 B1 FR 2643715B1
Authority
FR
France
Prior art keywords
strip
determining
air permeability
permeability
air
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 - Fee Related
Application number
FR9002341A
Other languages
English (en)
Other versions
FR2643715A1 (fr
Inventor
Kis Ludwig
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.)
TEXTILMASCHINENFABRIK E FEHRER
Original Assignee
TEXTILMASCHINENFABRIK E FEHRER
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 TEXTILMASCHINENFABRIK E FEHRER filed Critical TEXTILMASCHINENFABRIK E FEHRER
Publication of FR2643715A1 publication Critical patent/FR2643715A1/fr
Application granted granted Critical
Publication of FR2643715B1 publication Critical patent/FR2643715B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
FR9002341A 1989-02-27 1990-02-26 Dispositif pour determiner la permeabilite a l'air d'une bande de matiere Expired - Fee Related FR2643715B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT0042889A AT390839B (de) 1989-02-27 1989-02-27 Vorrichtung zum bestimmen der luftdurchlaessigkeit einer warenbahn

Publications (2)

Publication Number Publication Date
FR2643715A1 FR2643715A1 (fr) 1990-08-31
FR2643715B1 true FR2643715B1 (fr) 1993-12-03

Family

ID=3490346

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9002341A Expired - Fee Related FR2643715B1 (fr) 1989-02-27 1990-02-26 Dispositif pour determiner la permeabilite a l'air d'une bande de matiere

Country Status (7)

Country Link
US (1) US4995271A (fr)
JP (1) JPH0617862B2 (fr)
AT (1) AT390839B (fr)
DE (1) DE4004012A1 (fr)
FR (1) FR2643715B1 (fr)
GB (1) GB2228576B (fr)
IT (1) IT1238588B (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT394785B (de) * 1991-02-08 1992-06-25 Fehrer Textilmasch Vorrichtung zum bestimmen der luftdurchlaessigkeit einer textilen warenbahn
GB9414540D0 (en) * 1994-07-19 1994-09-07 At & T Global Inf Solution Apparatus for assessing the condition of a bank note

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3218844A (en) * 1962-01-23 1965-11-23 Owens Corning Fiberglass Corp Uniformity indicator
DE2403748A1 (de) * 1974-01-26 1975-08-07 Hauni Werke Koerber & Co Kg Anordnung zum ueberwachen eines streifens auf abriss
US4495796A (en) * 1982-10-25 1985-01-29 R. J. Reynolds Tobacco Company Apparatus and method for measuring permeability of a moving web
DE3537896A1 (de) * 1985-10-24 1987-04-30 Gessner & Co Gmbh Verfahren und vorrichtung zur kontinuierlichen messung der porositaet

Also Published As

Publication number Publication date
AT390839B (de) 1990-07-10
DE4004012C2 (fr) 1993-04-01
DE4004012A1 (de) 1990-08-30
GB2228576A (en) 1990-08-29
JPH02248840A (ja) 1990-10-04
US4995271A (en) 1991-02-26
IT1238588B (it) 1993-08-18
GB2228576B (en) 1993-05-05
JPH0617862B2 (ja) 1994-03-09
ATA42889A (de) 1989-12-15
IT9012419A0 (it) 1990-02-16
GB9003194D0 (en) 1990-04-11
FR2643715A1 (fr) 1990-08-31
IT9012419A1 (it) 1990-08-28

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Legal Events

Date Code Title Description
ST Notification of lapse