FI872765A - Maethuvud foer maetning av porositet av ett roerligt band. - Google Patents

Maethuvud foer maetning av porositet av ett roerligt band. Download PDF

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Publication number
FI872765A
FI872765A FI872765A FI872765A FI872765A FI 872765 A FI872765 A FI 872765A FI 872765 A FI872765 A FI 872765A FI 872765 A FI872765 A FI 872765A FI 872765 A FI872765 A FI 872765A
Authority
FI
Finland
Prior art keywords
porositet
maethuvud
band
foer maetning
roerligt
Prior art date
Application number
FI872765A
Other languages
English (en)
Other versions
FI872765A0 (fi
Inventor
Hans Karl Schuster
Jens-Peter Heins
Bernhard Gockel
Holger Schmidt
Original Assignee
Gessner & Co Gmbh
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 Gessner & Co Gmbh filed Critical Gessner & Co Gmbh
Publication of FI872765A0 publication Critical patent/FI872765A0/fi
Publication of FI872765A publication Critical patent/FI872765A/fi

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
    • G01N15/0806—Details, e.g. sample holders, mounting samples for testing
    • 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
    • G01N2015/086—Investigating permeability, pore-volume, or surface area of porous materials of films, membranes or pellicules

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measuring Arrangements Characterized By The Use Of Fluids (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)
FI872765A 1985-11-06 1987-06-22 Maethuvud foer maetning av porositet av ett roerligt band. FI872765A (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853539320 DE3539320A1 (de) 1985-11-06 1985-11-06 Messkopf fuer die messung der porositaet einer sich bewegenden bahn
PCT/EP1986/000638 WO1987003089A1 (en) 1985-11-06 1986-11-05 Measuring head for the measurement of the porosity of a moving web

Publications (2)

Publication Number Publication Date
FI872765A0 FI872765A0 (fi) 1987-06-22
FI872765A true FI872765A (fi) 1987-06-22

Family

ID=6285283

Family Applications (1)

Application Number Title Priority Date Filing Date
FI872765A FI872765A (fi) 1985-11-06 1987-06-22 Maethuvud foer maetning av porositet av ett roerligt band.

Country Status (5)

Country Link
US (1) US4672841A (fi)
EP (1) EP0243481B1 (fi)
DE (2) DE3539320A1 (fi)
FI (1) FI872765A (fi)
WO (1) WO1987003089A1 (fi)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3611458A1 (de) * 1986-04-05 1987-10-15 Wuertt Filztuchfab Pruefvorrichtung zum pruefen der luftdurchlaessigkeit von flaechigen gegenstaenden, insbesondere von filzen und sieben fuer der papierherstellung dienenden maschinen oder anlagen
CH674572A5 (fi) * 1987-10-06 1990-06-15 Textest Ag
US4905500A (en) * 1988-03-28 1990-03-06 Macmillan Bloedel Limited Paper web surface cleaner or tester
US5172844A (en) * 1989-01-21 1992-12-22 Bandfabrik Breitenbach Ag Method and apparatus for reducing a transporting strain on elongated material passing through a treatment chamber
DE4302137C2 (de) * 1993-01-27 1999-09-02 Micro Perforation Engineering Verfahren und Vorrichtung zur optischen Porositätsmessung an einer laufenden Bahn
GB9414540D0 (en) * 1994-07-19 1994-09-07 At & T Global Inf Solution Apparatus for assessing the condition of a bank note
FI20031273A (fi) * 2003-09-08 2005-03-09 Aca Systems Oy Menetelmä huokoisuuden mittaamiseksi liikkuvasta rainamaisesta paperista
US7274447B2 (en) * 2004-06-21 2007-09-25 Swce Material porosity pressure impulse testing system
US8282781B2 (en) * 2006-12-11 2012-10-09 Honeywell International Inc. Apparatus and method for stabilization of a moving sheet relative to a sensor
US9045306B2 (en) * 2007-11-27 2015-06-02 Abb Ltd. Sheet stabilizer with suction nozzle having center protrusion
US8028988B2 (en) * 2008-01-21 2011-10-04 Honeywell International Inc. Apparatus and method for stabilizing a moving sheet relative to a sensor
US9109330B2 (en) * 2009-03-09 2015-08-18 Honeywell International Inc. Apparatus and method for measuring properties of unstabilized moving sheets
FI124628B (fi) * 2011-03-02 2014-11-14 Metso Automation Oy Huokoisuusmittaus
US9007589B2 (en) * 2013-09-16 2015-04-14 Honeywell Asca Inc. Co-located porosity and caliper measurement for membranes and other web products
TWI755842B (zh) * 2020-09-04 2022-02-21 奈米趨勢科技有限公司 非接觸式塑膠吹袋機薄膜厚度量測裝置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3268222A (en) * 1964-05-07 1966-08-23 Singer Co Work fabric transporting devices
US3371518A (en) * 1965-02-12 1968-03-05 Beloit Corp Device for continuously measuring porosity
US3466925A (en) * 1967-08-09 1969-09-16 Cons Paper Inc Method and apparatus for measuring porosity
US4311037A (en) * 1980-03-19 1982-01-19 Scott Paper Company Web permeability tester
US4471649A (en) * 1981-02-20 1984-09-18 British-American Tobacco Company Limited Permeability monitoring of sheet materials
US4505412A (en) * 1983-10-31 1985-03-19 Crown Zellerbach Corporation Pneumatic conveyor system for flexible webs

Also Published As

Publication number Publication date
DE3668703D1 (de) 1990-03-08
FI872765A0 (fi) 1987-06-22
DE3539320C2 (fi) 1987-08-27
DE3539320A1 (de) 1987-05-27
US4672841A (en) 1987-06-16
WO1987003089A1 (en) 1987-05-21
EP0243481A1 (de) 1987-11-04
EP0243481B1 (de) 1990-01-31

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: GESSNER & CO. GMBH