FR2455938B2 - - Google Patents

Info

Publication number
FR2455938B2
FR2455938B2 FR7912508A FR7912508A FR2455938B2 FR 2455938 B2 FR2455938 B2 FR 2455938B2 FR 7912508 A FR7912508 A FR 7912508A FR 7912508 A FR7912508 A FR 7912508A FR 2455938 B2 FR2455938 B2 FR 2455938B2
Authority
FR
France
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
FR7912508A
Other languages
French (fr)
Other versions
FR2455938A2 (fr
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7912508A priority Critical patent/FR2455938A2/fr
Publication of FR2455938A2 publication Critical patent/FR2455938A2/fr
Application granted granted Critical
Publication of FR2455938B2 publication Critical patent/FR2455938B2/fr
Granted legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/16—Controlling or regulating processes or operations
    • B22D11/18—Controlling or regulating processes or operations for pouring
    • B22D11/181—Controlling or regulating processes or operations for pouring responsive to molten metal level or slag level
    • B22D11/185—Controlling or regulating processes or operations for pouring responsive to molten metal level or slag level by using optical means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves
    • G01F23/292—Light, e.g. infrared or ultraviolet

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Continuous Casting (AREA)
FR7912508A 1979-05-09 1979-05-09 Perfectionnements aux regulateurs de niveau pour installations de coulee continue Granted FR2455938A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7912508A FR2455938A2 (fr) 1979-05-09 1979-05-09 Perfectionnements aux regulateurs de niveau pour installations de coulee continue

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7912508A FR2455938A2 (fr) 1979-05-09 1979-05-09 Perfectionnements aux regulateurs de niveau pour installations de coulee continue

Publications (2)

Publication Number Publication Date
FR2455938A2 FR2455938A2 (fr) 1980-12-05
FR2455938B2 true FR2455938B2 (2) 1983-06-17

Family

ID=9225546

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7912508A Granted FR2455938A2 (fr) 1979-05-09 1979-05-09 Perfectionnements aux regulateurs de niveau pour installations de coulee continue

Country Status (1)

Country Link
FR (1) FR2455938A2 (2)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LU48988A1 (2) * 1965-07-05 1967-01-05
LU57062A1 (2) * 1968-10-10 1970-04-10
US3838727A (en) * 1973-07-16 1974-10-01 I Levi Normalized optical input level control in continuous casting process and apparatus
LU76077A1 (2) * 1976-10-26 1978-05-16
JPS5376926A (en) * 1976-12-21 1978-07-07 Nippon Kokan Kk Molten metal level monitor controller of continuous casting machine that use eddy flow system range finder for measurement of molten metal level

Also Published As

Publication number Publication date
FR2455938A2 (fr) 1980-12-05

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Legal Events

Date Code Title Description
TP Transmission of property
GC Lien (pledge) constituted
CN Change in juridical nature
EM Correction of a material error concerning inscription in the national patent register