FR2228181B3 - - Google Patents

Info

Publication number
FR2228181B3
FR2228181B3 FR7415338A FR7415338A FR2228181B3 FR 2228181 B3 FR2228181 B3 FR 2228181B3 FR 7415338 A FR7415338 A FR 7415338A FR 7415338 A FR7415338 A FR 7415338A FR 2228181 B3 FR2228181 B3 FR 2228181B3
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
FR7415338A
Other versions
FR2228181A1 (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.)
United Carr Ltd
Original Assignee
United Carr Ltd
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 United Carr Ltd filed Critical United Carr Ltd
Publication of FR2228181A1 publication Critical patent/FR2228181A1/fr
Application granted granted Critical
Publication of FR2228181B3 publication Critical patent/FR2228181B3/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01F23/2921—Light, e.g. infrared or ultraviolet for discrete levels
    • G01F23/2922—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms
    • G01F23/2924—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms for several discrete levels, e.g. with more than one light-conducting sensing element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J13/00—Covers or similar closure members for pressure vessels in general
    • F16J13/02—Detachable closure members; Means for tightening closures
    • F16J13/14—Detachable closure members; Means for tightening closures attached exclusively by spring action or elastic action

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Gasket Seals (AREA)
  • Thermally Insulated Containers For Foods (AREA)
FR7415338A 1973-05-04 1974-05-03 Expired FR2228181B3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2146573A GB1459220A (en) 1973-05-04 1973-05-04 Sealed plate assembly

Publications (2)

Publication Number Publication Date
FR2228181A1 FR2228181A1 (fr) 1974-11-29
FR2228181B3 true FR2228181B3 (fr) 1977-03-04

Family

ID=10163403

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7415338A Expired FR2228181B3 (fr) 1973-05-04 1974-05-03

Country Status (3)

Country Link
US (1) US3923195A (fr)
FR (1) FR2228181B3 (fr)
GB (1) GB1459220A (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4021943A (en) * 1976-02-23 1977-05-10 The Hoover Company Pressing iron water level gauge
US4099611A (en) * 1976-11-08 1978-07-11 A. & H. Mfg. Co. Jewelry display device
GB2149112B (en) * 1983-10-27 1987-12-09 Lucas Ind Plc Liquid level detector
BR7400485U (pt) * 1994-05-03 1995-11-28 Brasilata Embalagens Metalicas Disposição construtiva em latas com grande abertura extrema de vazamento
US5799813A (en) * 1996-03-25 1998-09-01 Letica Corporation Plug closure with integral pull ring
DE20209513U1 (de) * 2002-06-19 2002-08-29 Trw Automotive Electron & Comp Verschlussdeckel
CN104948299A (zh) * 2015-04-29 2015-09-30 宁波大叶园林设备有限公司 一种液位及燃油位光导显示及发动机点燃和润滑的方法
CN112629371B (zh) * 2020-12-18 2023-12-19 西安精密机械研究所 一种适应不同爆炸破孔靶板的安装结构及测量装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2548359A (en) * 1946-09-10 1951-04-10 Gandhi Manmohandas Varjivandas Bag for medical and hygienic purposes
US3277713A (en) * 1965-02-23 1966-10-11 Thomas R Demyon Radiator sight gauge
US3397808A (en) * 1965-09-29 1968-08-20 Gen Motors Corp Level indicating tank closure
US3371648A (en) * 1966-03-24 1968-03-05 Mueller Brass Co Liquid indicator

Also Published As

Publication number Publication date
FR2228181A1 (fr) 1974-11-29
GB1459220A (en) 1976-12-22
US3923195A (en) 1975-12-02

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Legal Events

Date Code Title Description
ST Notification of lapse