IT1238588B - Dispositivo per la determinazione della permeabilita' all'aria di un nastro di materiale - Google Patents

Dispositivo per la determinazione della permeabilita' all'aria di un nastro di materiale

Info

Publication number
IT1238588B
IT1238588B IT12419A IT1241990A IT1238588B IT 1238588 B IT1238588 B IT 1238588B IT 12419 A IT12419 A IT 12419A IT 1241990 A IT1241990 A IT 1241990A IT 1238588 B IT1238588 B IT 1238588B
Authority
IT
Italy
Prior art keywords
tape
determining
air permeability
permeability
air
Prior art date
Application number
IT12419A
Other languages
English (en)
Other versions
IT9012419A1 (it
IT9012419A0 (it
Inventor
Ludwig Kis
Original Assignee
Fehrer Textilmasch
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 Fehrer Textilmasch filed Critical Fehrer Textilmasch
Publication of IT9012419A0 publication Critical patent/IT9012419A0/it
Publication of IT9012419A1 publication Critical patent/IT9012419A1/it
Application granted granted Critical
Publication of IT1238588B publication Critical patent/IT1238588B/it

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)
  • Treatment Of Fiber Materials (AREA)
  • Examining Or Testing Airtightness (AREA)
  • Advancing Webs (AREA)
IT12419A 1989-02-27 1990-02-16 Dispositivo per la determinazione della permeabilita' all'aria di un nastro di materiale IT1238588B (it)

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 (3)

Publication Number Publication Date
IT9012419A0 IT9012419A0 (it) 1990-02-16
IT9012419A1 IT9012419A1 (it) 1990-08-28
IT1238588B true IT1238588B (it) 1993-08-18

Family

ID=3490346

Family Applications (1)

Application Number Title Priority Date Filing Date
IT12419A IT1238588B (it) 1989-02-27 1990-02-16 Dispositivo per la determinazione della permeabilita' all'aria di un nastro di materiale

Country Status (7)

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

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
DE4004012A1 (de) 1990-08-30
GB9003194D0 (en) 1990-04-11
IT9012419A1 (it) 1990-08-28
GB2228576A (en) 1990-08-29
FR2643715A1 (fr) 1990-08-31
JPH0617862B2 (ja) 1994-03-09
DE4004012C2 (it) 1993-04-01
IT9012419A0 (it) 1990-02-16
AT390839B (de) 1990-07-10
GB2228576B (en) 1993-05-05
US4995271A (en) 1991-02-26
ATA42889A (de) 1989-12-15
FR2643715B1 (fr) 1993-12-03
JPH02248840A (ja) 1990-10-04

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Legal Events

Date Code Title Description
0001 Granted