FR2178950B1 - - Google Patents

Info

Publication number
FR2178950B1
FR2178950B1 FR7311545A FR7311545A FR2178950B1 FR 2178950 B1 FR2178950 B1 FR 2178950B1 FR 7311545 A FR7311545 A FR 7311545A FR 7311545 A FR7311545 A FR 7311545A FR 2178950 B1 FR2178950 B1 FR 2178950B1
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
FR7311545A
Other languages
French (fr)
Other versions
FR2178950A1 (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.)
Asahi Kasei Corp
Asahi Chemical Industry Co Ltd
Original Assignee
Asahi Chemical Industry Co Ltd
Asahi Kasei Kogyo KK
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
Priority claimed from JP47103410A external-priority patent/JPS4960990A/ja
Priority claimed from JP65673A external-priority patent/JPS4988585A/ja
Application filed by Asahi Chemical Industry Co Ltd, Asahi Kasei Kogyo KK filed Critical Asahi Chemical Industry Co Ltd
Publication of FR2178950A1 publication Critical patent/FR2178950A1/fr
Application granted granted Critical
Publication of FR2178950B1 publication Critical patent/FR2178950B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/042—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid
    • G01M3/045—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by using materials which expand, contract, disintegrate, or decompose in contact with a fluid with electrical detection 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
    • G01F23/223—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 using a melting or dissolving material as a part of alarm-means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/42—Switches operated by change of humidity
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H01H36/0006—Permanent magnet actuating reed switches

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Level Indicators Using A Float (AREA)
FR7311545A 1972-04-01 1973-03-30 Expired FR2178950B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP3891672 1972-04-01
JP47103410A JPS4960990A (en) 1972-10-14 1972-10-14
JP65673A JPS4988585A (en) 1972-12-25 1972-12-25

Publications (2)

Publication Number Publication Date
FR2178950A1 FR2178950A1 (en) 1973-11-16
FR2178950B1 true FR2178950B1 (en) 1974-05-17

Family

ID=27274546

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7311545A Expired FR2178950B1 (en) 1972-04-01 1973-03-30

Country Status (2)

Country Link
FR (1) FR2178950B1 (en)
IT (1) IT981593B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2455294A1 (en) * 1979-04-27 1980-11-21 Inst Francais Du Petrole ELEMENTS SENSITIVE TO CERTAIN POLLUTANT ORGANIC PRODUCTS, PARTICULARLY HYDROCARBONS
JPS5849612B2 (en) * 1979-11-09 1983-11-05 日本鋼管株式会社 Method and device for measuring the position and shape of the molten zone in a blast furnace

Also Published As

Publication number Publication date
IT981593B (en) 1974-10-10
DE2365434A1 (en) 1975-01-02
FR2178950A1 (en) 1973-11-16
DE2365434B2 (en) 1976-04-22
DE2316284A1 (en) 1973-10-18
DE2365435B2 (en) 1977-02-10
DE2316284B2 (en) 1976-12-16
DE2365435A1 (en) 1975-01-02

Similar Documents

Publication Publication Date Title
JPS4960990A (en)
FR2173959B3 (en)
JPS4880669A (en)
JPS48102196A (en)
FR2178950B1 (en)
JPS5030635B2 (en)
FR2212474A1 (en)
CS162825B1 (en)
BG20298A3 (en)
CH577348A5 (en)
CH560978A5 (en)
BG20527A3 (en)
SE378035B (en)
NL7313097A (en)
CH560960A5 (en)
CH561027A5 (en)
CH561421A5 (en)
CH561468A5 (en)
CH568438B5 (en)
CH562066A5 (en)
CH559905A5 (en)
CH560949A5 (en)
CH563069A5 (en)
CH559868A5 (en)
BG20098A3 (en)

Legal Events

Date Code Title Description
ST Notification of lapse