GB1378303A - Apparatus for determining a property of a sheet material for example a paper web - Google Patents

Apparatus for determining a property of a sheet material for example a paper web

Info

Publication number
GB1378303A
GB1378303A GB1255372A GB1255372A GB1378303A GB 1378303 A GB1378303 A GB 1378303A GB 1255372 A GB1255372 A GB 1255372A GB 1255372 A GB1255372 A GB 1255372A GB 1378303 A GB1378303 A GB 1378303A
Authority
GB
United Kingdom
Prior art keywords
sheet material
sheet
march
radiation
property
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
GB1255372A
Other languages
English (en)
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.)
ABB Norden Holding AB
Original Assignee
ASEA AB
Allmanna Svenska Elektriska AB
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 ASEA AB, Allmanna Svenska Elektriska AB filed Critical ASEA AB
Publication of GB1378303A publication Critical patent/GB1378303A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/86—Investigating moving sheets
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G17/00—Apparatus for or methods of weighing material of special form or property
    • G01G17/02—Apparatus for or methods of weighing material of special form or property for weighing material of filamentary or sheet form
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G9/00—Methods of, or apparatus for, the determination of weight, not provided for in groups G01G1/00 - G01G7/00
    • G01G9/005—Methods of, or apparatus for, the determination of weight, not provided for in groups G01G1/00 - G01G7/00 using radiations, e.g. radioactive

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Toxicology (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB1255372A 1971-03-19 1972-03-17 Apparatus for determining a property of a sheet material for example a paper web Expired GB1378303A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE354871A SE355864B (https=) 1971-03-19 1971-03-19

Publications (1)

Publication Number Publication Date
GB1378303A true GB1378303A (en) 1974-12-27

Family

ID=20262351

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1255372A Expired GB1378303A (en) 1971-03-19 1972-03-17 Apparatus for determining a property of a sheet material for example a paper web

Country Status (4)

Country Link
CA (1) CA957864A (https=)
DE (1) DE2212974A1 (https=)
GB (1) GB1378303A (https=)
SE (1) SE355864B (https=)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4219500A (en) 1978-06-30 1980-08-26 Hoechst Aktiengesellschaft Process for the manufacture of N,N'-diacetylethylene diamine
EP0017461A1 (en) * 1979-04-09 1980-10-15 Infrared Engineering Limited Apparatus for determining the thickness, moisture content or other parameter of a film or coating
US5327770A (en) * 1991-06-10 1994-07-12 Infrared Engineering Limited Apparatus for sampling a material travelling past a sampling region
US6526369B1 (en) * 1998-07-14 2003-02-25 Voith Sulzer Papiertechnik Patent Gmbh Apparatus and process for a cross-direction profile of a material web

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4219500A (en) 1978-06-30 1980-08-26 Hoechst Aktiengesellschaft Process for the manufacture of N,N'-diacetylethylene diamine
EP0017461A1 (en) * 1979-04-09 1980-10-15 Infrared Engineering Limited Apparatus for determining the thickness, moisture content or other parameter of a film or coating
US5327770A (en) * 1991-06-10 1994-07-12 Infrared Engineering Limited Apparatus for sampling a material travelling past a sampling region
US6526369B1 (en) * 1998-07-14 2003-02-25 Voith Sulzer Papiertechnik Patent Gmbh Apparatus and process for a cross-direction profile of a material web

Also Published As

Publication number Publication date
DE2212974A1 (de) 1972-09-28
SE355864B (https=) 1973-05-07
CA957864A (en) 1974-11-19

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees