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SE8803327L - Foerfarande och anordning foer maetning av luftgenomslaeppningsfoermaagan hos luftgenomslaeppliga vaevnader i synnerhet en vira eller en filt i en pappersmaskin - Google Patents

Foerfarande och anordning foer maetning av luftgenomslaeppningsfoermaagan hos luftgenomslaeppliga vaevnader i synnerhet en vira eller en filt i en pappersmaskin

Info

Publication number
SE8803327L
SE8803327L SE8803327A SE8803327A SE8803327L SE 8803327 L SE8803327 L SE 8803327L SE 8803327 A SE8803327 A SE 8803327A SE 8803327 A SE8803327 A SE 8803327A SE 8803327 L SE8803327 L SE 8803327L
Authority
SE
Sweden
Prior art keywords
fabric
air
wire
roll
penetrable
Prior art date
Application number
SE8803327A
Other languages
Unknown language ( )
English (en)
Other versions
SE464835B (sv
SE8803327D0 (sv
Inventor
P Eskelinen
Original Assignee
Valmet Paper Machinery Inc
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 Valmet Paper Machinery Inc filed Critical Valmet Paper Machinery Inc
Publication of SE8803327D0 publication Critical patent/SE8803327D0/sv
Publication of SE8803327L publication Critical patent/SE8803327L/sv
Publication of SE464835B publication Critical patent/SE464835B/sv

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
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21G—CALENDERS; ACCESSORIES FOR PAPER-MAKING MACHINES
    • D21G9/00—Other accessories for paper-making machines
    • D21G9/0009—Paper-making control systems

Landscapes

  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Fluid Mechanics (AREA)
  • Dispersion Chemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Paper (AREA)
  • Measuring Fluid Pressure (AREA)
  • Filtering Materials (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
SE8803327A 1987-09-23 1988-09-20 Foerfarande och anordning foer maetning av luftgenomslaeppligheten hos vaevnader i en pappersmaskin, speciellt hos en vira eller filt SE464835B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI874161A FI77119C (sv) 1987-09-23 1987-09-23 Förfarande och anordning för mätning av luftgenomsläppningsförmågan h os luftgenomsläppliga vävnader i synnerhet en vira eller en filt i en pappersmaskin.

Publications (3)

Publication Number Publication Date
SE8803327D0 SE8803327D0 (sv) 1988-09-20
SE8803327L true SE8803327L (sv) 1989-03-24
SE464835B SE464835B (sv) 1991-06-17

Family

ID=8525115

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8803327A SE464835B (sv) 1987-09-23 1988-09-20 Foerfarande och anordning foer maetning av luftgenomslaeppligheten hos vaevnader i en pappersmaskin, speciellt hos en vira eller filt

Country Status (6)

Country Link
US (1) US4892621A (sv)
JP (1) JPH01104896A (sv)
CA (1) CA1329710C (sv)
DE (1) DE3830308A1 (sv)
FI (1) FI77119C (sv)
SE (1) SE464835B (sv)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI94178C (sv) * 1992-04-07 1995-07-25 Tamfelt Oy Ab Mätapparat för mätning av en filts tillstånd i en pappersmaskin
FI97914C (sv) * 1995-10-23 1997-03-10 Valmet Corp Förfarande och anordning för mätning av luftpermeabiliteten hos en torkningsvira
US5725737A (en) * 1996-09-18 1998-03-10 Pulp And Paper Research Institute Of Canada Apparatus for the detection of holes and plugged spots
CA2190563C (en) * 1996-11-18 1999-10-26 Ralph Mancini Device and method to stabilize sheet between press section and dryer section of a paper-making machine
US5862575A (en) * 1997-09-03 1999-01-26 Valmet, Inc. On-line hydroenhancement evaluation technique
DE19911395A1 (de) 1999-03-15 2000-09-21 Voith Sulzer Papiertech Patent Vorrichtung zum Bestimmen von Eigenschaften einer laufenden Materialbahn und/oder einer Maschine zu deren Herstellung und/oder Veredelung
DE19911394A1 (de) 1999-03-15 2000-09-21 Voith Sulzer Papiertech Patent Verfahren zum Betreiben einer Maschine zur Herstellung und/oder Veredelung von Materialbahnen
DE10137094A1 (de) * 2001-07-30 2003-02-13 Voith Paper Patent Gmbh Verfahren und Einrichtung zur Überwachung des Zustandes eines Filzes oder Siebes
DE10343418A1 (de) * 2003-09-19 2005-04-21 Voith Paper Patent Gmbh Vorrichtung und Verfahren zur Beurteilung der Beschaffenheit mindestens eines umlaufenden Bandes
DE10343517A1 (de) * 2003-09-19 2005-05-04 Voith Paper Patent Gmbh Verfahren und Anordnung zur Bestimmung der Wasserdurchlässigkeit einer Bespannung
FI124628B (sv) * 2011-03-02 2014-11-14 Metso Automation Oy Porositetsmätning
CN109939311A (zh) * 2017-12-20 2019-06-28 北京谊安医疗系统股份有限公司 呼吸机管路阻塞的判断方法和呼吸机阻塞报警装置
CN118483141B (zh) * 2024-07-15 2024-09-06 浙江七星纺织有限公司 一种面料透气性检测设备及检测方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3371518A (en) * 1965-02-12 1968-03-05 Beloit Corp Device for continuously measuring porosity
US4495796A (en) * 1982-10-25 1985-01-29 R. J. Reynolds Tobacco Company Apparatus and method for measuring permeability of a moving web

Also Published As

Publication number Publication date
JPH01104896A (ja) 1989-04-21
FI77119B (fi) 1988-09-30
US4892621A (en) 1990-01-09
CA1329710C (en) 1994-05-24
SE464835B (sv) 1991-06-17
FI874161A0 (fi) 1987-09-23
SE8803327D0 (sv) 1988-09-20
FI77119C (sv) 1989-01-10
DE3830308A1 (de) 1989-04-13

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