ES8502785A1 - Aparato y metodo para medir la permeabilidad de una banda continua en movimiento - Google Patents

Aparato y metodo para medir la permeabilidad de una banda continua en movimiento

Info

Publication number
ES8502785A1
ES8502785A1 ES526706A ES526706A ES8502785A1 ES 8502785 A1 ES8502785 A1 ES 8502785A1 ES 526706 A ES526706 A ES 526706A ES 526706 A ES526706 A ES 526706A ES 8502785 A1 ES8502785 A1 ES 8502785A1
Authority
ES
Spain
Prior art keywords
permeability
web
moving web
measuring
instantaneous
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
Application number
ES526706A
Other languages
English (en)
Other versions
ES526706A0 (es
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.)
RJ Reynolds Tobacco Co
Original Assignee
RJ Reynolds Tobacco Co
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 RJ Reynolds Tobacco Co filed Critical RJ Reynolds Tobacco Co
Publication of ES526706A0 publication Critical patent/ES526706A0/es
Publication of ES8502785A1 publication Critical patent/ES8502785A1/es
Expired 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

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)
  • Manufacturing Of Cigar And Cigarette Tobacco (AREA)
  • Measuring Arrangements Characterized By The Use Of Fluids (AREA)

Abstract

APARATO PARA MEDIR LA PERMEABILIDAD DE UNA BANDA CONTINUA EN MOVIMIENTO, EN PARTICULAR, APARATO PARA MEDIR LA PERMEABILIDAD DE PAPELES PARA CIGARRILLOS EN TERMINOS DE UNIDADES CORESTA.CONSTA DE UNA CABEZA DE PERCEPCION (100) QUE ESTA EN CONTACTO CON LA BANDA PERMEABLE (3) A MEDIR; DE UN SISTEMA (14, 16) PARA DIRIGIR UN FLUJO DE FLUIDO A TRAVES DE LA BANDA Y DE LA CABEZA; DE UN ELEMENTO (18) PARA MEDIR EL CAUDAL VOLUMETRICO DE DICHO FLUJO DE FLUIDO Y PARA GENERAR SEN/ALES PROPORCIONALES A LAS MEDIDAS EFECTUADAS; DE UN TRANSDUCTOR (24) PARA MEDIR LA CAIDA DE PRESION DEL FLUJO DE FLUIDO A TRAVES DE LA BANDA; Y DE MEDIOS PARA CALCULAR LA PERMEABILIDAD DE DICHA BANDA.
ES526706A 1982-10-25 1983-10-24 Aparato y metodo para medir la permeabilidad de una banda continua en movimiento Expired ES8502785A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/436,239 US4495796A (en) 1982-10-25 1982-10-25 Apparatus and method for measuring permeability of a moving web

Publications (2)

Publication Number Publication Date
ES526706A0 ES526706A0 (es) 1985-01-16
ES8502785A1 true ES8502785A1 (es) 1985-01-16

Family

ID=23731667

Family Applications (1)

Application Number Title Priority Date Filing Date
ES526706A Expired ES8502785A1 (es) 1982-10-25 1983-10-24 Aparato y metodo para medir la permeabilidad de una banda continua en movimiento

Country Status (8)

Country Link
US (1) US4495796A (es)
EP (1) EP0107482B1 (es)
JP (1) JPS59119241A (es)
AU (1) AU554921B2 (es)
BR (1) BR8305884A (es)
CA (1) CA1191950A (es)
DE (1) DE3363532D1 (es)
ES (1) ES8502785A1 (es)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2574932B1 (fr) * 1984-12-19 1987-07-10 Tabacs & Allumettes Ind Appareil de mesure des caracteristiques debit-pression d'un gaz traversant un echantillon de produit a deux faces
JPS61159133A (ja) * 1984-12-31 1986-07-18 Fuji Denki Keiso Kk 濾紙空気透過度測定装置
DE3537896A1 (de) * 1985-10-24 1987-04-30 Gessner & Co Gmbh Verfahren und vorrichtung zur kontinuierlichen messung der porositaet
US4649738A (en) * 1986-01-13 1987-03-17 The United States Of America As Represented By The Secretary Of Agriculture Fluidic permeability measurement bridge
FR2620227B1 (fr) * 1987-09-08 1990-08-10 Inst Textile De France Procede et dispositif de mesure de la permeabilite a l'air de materiaux poreux en defilement continu
FI77119C (fi) * 1987-09-23 1989-01-10 Valmet Paper Machinery Inc Foerfarande och anordning foer maetning av luftgenomslaeppningsfoermaogan hos luftgenomslaeppliga vaevnader i synnerhet en vira eller en filt i en pappersmaskin.
US4911028A (en) * 1989-02-09 1990-03-27 Philip Morris Incorporated Apparatus and method for carrying out measurements on a bobbin of sheet material
AT390839B (de) * 1989-02-27 1990-07-10 Fehrer Textilmasch Vorrichtung zum bestimmen der luftdurchlaessigkeit einer warenbahn
US5341824A (en) * 1992-12-29 1994-08-30 Philip Morris Incorporated Method and apparatus for inspecting and controlling tipping paper perforation
EP0610555A3 (en) * 1993-02-09 1995-09-20 Textest Ag Device for determining the air permeability of a web.
GB9414540D0 (en) * 1994-07-19 1994-09-07 At & T Global Inf Solution Apparatus for assessing the condition of a bank note
FI97914C (fi) * 1995-10-23 1997-03-10 Valmet Corp Menetelmä ja laite kuivatusviiran ilman läpäisykyvyn mittaamiseksi
US5862575A (en) * 1997-09-03 1999-01-26 Valmet, Inc. On-line hydroenhancement evaluation technique
FR2829238B1 (fr) * 2001-08-28 2003-12-05 Tabacs & Allumettes Ind Procede et dispositif pour la determination automatique de la permeabilite d'un objet en matiere poreuse a plusieurs niveaux de porosite alternes
DE102010019178A1 (de) * 2010-04-30 2011-11-03 Steinel Gmbh Vorrichtung und Verfahren zur Prüfung der Luftdurchlässigkeit von Textilien
JP5609512B2 (ja) * 2010-10-05 2014-10-22 横浜ゴム株式会社 空気入りタイヤ
CN102109466B (zh) * 2011-04-01 2013-09-18 楚雄市华丽包装实业有限责任公司 一种烟用接装纸中有害重金属物砷、铅的测定方法
CN102494983A (zh) * 2011-12-08 2012-06-13 苏州市博海激光科技有限公司 水松纸透气度检测方法及其检测装置

Family Cites Families (7)

* 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
US3466925A (en) * 1967-08-09 1969-09-16 Cons Paper Inc Method and apparatus for measuring porosity
GB1239408A (es) * 1967-10-11 1971-07-14
US4198853A (en) * 1977-11-04 1980-04-22 American Filtrona Corporation Porosity measurement
US4198854A (en) * 1978-12-07 1980-04-22 Philip Morris Incorporated Method and apparatus for measuring porosity
US4253010A (en) * 1979-04-23 1981-02-24 Olin Corporation Spatially distributed electrostatic perforation of moving webs
US4246775A (en) * 1979-06-08 1981-01-27 Philip Morris Incorporated Porosity measuring apparatus and perforating system using same

Also Published As

Publication number Publication date
EP0107482A1 (en) 1984-05-02
ES526706A0 (es) 1985-01-16
BR8305884A (pt) 1984-05-29
DE3363532D1 (en) 1986-06-19
CA1191950A (en) 1985-08-13
AU554921B2 (en) 1986-09-04
AU1996983A (en) 1984-05-03
JPS59119241A (ja) 1984-07-10
US4495796A (en) 1985-01-29
EP0107482B1 (en) 1986-05-14

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19960603