FR2110748A5 - Viscometer - for molten glass using oscillating beam balance and photocell with timing circuit - Google Patents

Viscometer - for molten glass using oscillating beam balance and photocell with timing circuit

Info

Publication number
FR2110748A5
FR2110748A5 FR7039009A FR7039009A FR2110748A5 FR 2110748 A5 FR2110748 A5 FR 2110748A5 FR 7039009 A FR7039009 A FR 7039009A FR 7039009 A FR7039009 A FR 7039009A FR 2110748 A5 FR2110748 A5 FR 2110748A5
Authority
FR
France
Prior art keywords
balance
viscometer
molten glass
photocell
timing circuit
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
FR7039009A
Other languages
French (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.)
Commissariat a lEnergie Atomique et aux Energies Alternatives CEA
Original Assignee
Commissariat a lEnergie Atomique CEA
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 Commissariat a lEnergie Atomique CEA filed Critical Commissariat a lEnergie Atomique CEA
Priority to FR7039009A priority Critical patent/FR2110748A5/en
Application granted granted Critical
Publication of FR2110748A5 publication Critical patent/FR2110748A5/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
    • G01N11/00—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties
    • G01N11/10—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material
    • G01N11/12—Investigating flow properties of materials, e.g. viscosity, plasticity; Analysing materials by determining flow properties by moving a body within the material by measuring rising or falling speed of the body; by measuring penetration of wedged gauges

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Optical Measuring Cells (AREA)

Abstract

Viscometer esp. for molten glass comprising a balance beam on one of which is suspended a ball plunging into the material which is to be measured and as the other side a balance pan and weights and method of observing the rate of movement of the ball due to moving the weights after achieving equilibrium characterised in that the observation means comprises a flap carried on the end of a needle fixed to the balance beam and having a window passing in front of a photoelectric cell when the balance is not in equilibrium. The time between transits of the needle across the higher beam to the photoelectric cell is measured electronically. Thus an accurate measure of the viscosity changes with time can be recorded.
FR7039009A 1970-10-29 1970-10-29 Viscometer - for molten glass using oscillating beam balance and photocell with timing circuit Expired FR2110748A5 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7039009A FR2110748A5 (en) 1970-10-29 1970-10-29 Viscometer - for molten glass using oscillating beam balance and photocell with timing circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7039009A FR2110748A5 (en) 1970-10-29 1970-10-29 Viscometer - for molten glass using oscillating beam balance and photocell with timing circuit

Publications (1)

Publication Number Publication Date
FR2110748A5 true FR2110748A5 (en) 1972-06-02

Family

ID=9063464

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7039009A Expired FR2110748A5 (en) 1970-10-29 1970-10-29 Viscometer - for molten glass using oscillating beam balance and photocell with timing circuit

Country Status (1)

Country Link
FR (1) FR2110748A5 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1003975B (en) * 1952-05-12 1957-03-07 Elly Hoeppler Geb Koch Viscometer for viscous substances, especially paste-like masses
FR1365835A (en) * 1963-08-09 1964-07-03 Spinnfaser Ag Devices for measuring the viscosity of liquids
FR1573049A (en) * 1968-02-27 1969-07-04

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1003975B (en) * 1952-05-12 1957-03-07 Elly Hoeppler Geb Koch Viscometer for viscous substances, especially paste-like masses
FR1365835A (en) * 1963-08-09 1964-07-03 Spinnfaser Ag Devices for measuring the viscosity of liquids
FR1573049A (en) * 1968-02-27 1969-07-04

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
EXBK/64 *

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Legal Events

Date Code Title Description
ST Notification of lapse