FR2201133A1 - - Google Patents

Info

Publication number
FR2201133A1
FR2201133A1 FR7233816A FR7233816A FR2201133A1 FR 2201133 A1 FR2201133 A1 FR 2201133A1 FR 7233816 A FR7233816 A FR 7233816A FR 7233816 A FR7233816 A FR 7233816A FR 2201133 A1 FR2201133 A1 FR 2201133A1
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.)
Granted
Application number
FR7233816A
Other languages
French (fr)
Other versions
FR2201133B1 (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.)
Etat Francais
Original Assignee
Etat Francais
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 Etat Francais filed Critical Etat Francais
Priority to FR7233816A priority Critical patent/FR2201133B1/fr
Priority to DE19732347703 priority patent/DE2347703A1/en
Priority to GB4475073A priority patent/GB1449621A/en
Priority to US400611A priority patent/US3876874A/en
Publication of FR2201133A1 publication Critical patent/FR2201133A1/fr
Application granted granted Critical
Publication of FR2201133B1 publication Critical patent/FR2201133B1/fr
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V25/00—Safety devices structurally associated with lighting devices
    • F21V25/12—Flameproof or explosion-proof arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V31/00—Gas-tight or water-tight arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/40—Lighting for industrial, commercial, recreational or military use
    • F21W2131/411—Lighting for industrial, commercial, recreational or military use for inspection of the interior of hollow structures, e.g. vessels, tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
FR7233816A 1972-09-25 1972-09-25 Expired FR2201133B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR7233816A FR2201133B1 (en) 1972-09-25 1972-09-25
DE19732347703 DE2347703A1 (en) 1972-09-25 1973-09-21 PROTECTIVE HOUSING FOR EQUIPMENT ARRANGED IN A PRESSURE CHAMBER
GB4475073A GB1449621A (en) 1972-09-25 1973-09-24 Protective casings for equipment to be accomodated in hyperbaric caissons
US400611A US3876874A (en) 1972-09-25 1973-09-25 Protective enclosure for apparatus placed in a hyperbaric pressure tight chamber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7233816A FR2201133B1 (en) 1972-09-25 1972-09-25

Publications (2)

Publication Number Publication Date
FR2201133A1 true FR2201133A1 (en) 1974-04-26
FR2201133B1 FR2201133B1 (en) 1976-08-13

Family

ID=9104705

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7233816A Expired FR2201133B1 (en) 1972-09-25 1972-09-25

Country Status (4)

Country Link
US (1) US3876874A (en)
DE (1) DE2347703A1 (en)
FR (1) FR2201133B1 (en)
GB (1) GB1449621A (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3754133A (en) * 1971-08-19 1973-08-21 Univ New York Lamp for use in a high pressure environment

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Also Published As

Publication number Publication date
FR2201133B1 (en) 1976-08-13
US3876874A (en) 1975-04-08
GB1449621A (en) 1976-09-15
DE2347703A1 (en) 1974-04-11

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Legal Events

Date Code Title Description
ST Notification of lapse