FR2221118A1 - - Google Patents

Info

Publication number
FR2221118A1
FR2221118A1 FR7408308A FR7408308A FR2221118A1 FR 2221118 A1 FR2221118 A1 FR 2221118A1 FR 7408308 A FR7408308 A FR 7408308A FR 7408308 A FR7408308 A FR 7408308A FR 2221118 A1 FR2221118 A1 FR 2221118A1
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
FR7408308A
Other languages
French (fr)
Other versions
FR2221118B1 (enrdf_load_stackoverflow
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.)
Linde Sverige AB
Original Assignee
AGA AB
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 AGA AB filed Critical AGA AB
Publication of FR2221118A1 publication Critical patent/FR2221118A1/fr
Application granted granted Critical
Publication of FR2221118B1 publication Critical patent/FR2221118B1/fr
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting in contact-lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/04—Eye-masks ; Devices to be worn on the face, not intended for looking through; Eye-pads for sunbathing
    • A61F9/06—Masks, shields or hoods for welders
    • A61F9/065—Masks, shields or hoods for welders use of particular optical filters
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/28—Interference filters
    • G02B5/281—Interference filters designed for the infrared light
    • G02B5/282—Interference filters designed for the infrared light reflecting for infrared and transparent for visible light, e.g. heat reflectors, laser protection
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00—Optical parts
    • G02C7/10—Filters, e.g. for facilitating adaptation of the eyes to the dark; Sunglasses
    • G02C7/107—Interference colour filters

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Ophthalmology & Optometry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Optical Filters (AREA)
  • Machine Tool Copy Controls (AREA)
FR7408308A 1973-03-14 1974-03-12 Expired FR2221118B1 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7303543A SE386066B (sv) 1973-03-14 1973-03-14 Skyddsanordning for skydd mot stralning, exv. vid svetsning

Publications (2)

Publication Number Publication Date
FR2221118A1 true FR2221118A1 (enrdf_load_stackoverflow) 1974-10-11
FR2221118B1 FR2221118B1 (enrdf_load_stackoverflow) 1977-09-23

Family

ID=20316905

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7408308A Expired FR2221118B1 (enrdf_load_stackoverflow) 1973-03-14 1974-03-12

Country Status (11)

Country Link
JP (1) JPS5070039A (enrdf_load_stackoverflow)
BR (1) BR7401906D0 (enrdf_load_stackoverflow)
CA (1) CA999171A (enrdf_load_stackoverflow)
CH (1) CH566776A5 (enrdf_load_stackoverflow)
DE (1) DE2412302A1 (enrdf_load_stackoverflow)
DK (1) DK133658B (enrdf_load_stackoverflow)
FR (1) FR2221118B1 (enrdf_load_stackoverflow)
GB (1) GB1468963A (enrdf_load_stackoverflow)
IT (1) IT1006366B (enrdf_load_stackoverflow)
NL (1) NL7402951A (enrdf_load_stackoverflow)
SE (1) SE386066B (enrdf_load_stackoverflow)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5453451U (enrdf_load_stackoverflow) * 1977-09-22 1979-04-13
JPS5565602U (enrdf_load_stackoverflow) * 1978-10-30 1980-05-06
DD206460A3 (de) * 1981-08-03 1984-01-25 Ulrich Werner Waermereflektierendes schweisserschutzfilter
JPH01255802A (ja) * 1988-04-06 1989-10-12 Japan Aviation Electron Ind Ltd 多層光学素子

Non-Patent Citations (1)

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

Also Published As

Publication number Publication date
NL7402951A (enrdf_load_stackoverflow) 1974-09-17
CA999171A (en) 1976-11-02
JPS5070039A (enrdf_load_stackoverflow) 1975-06-11
BR7401906D0 (pt) 1974-10-29
SE386066B (sv) 1976-08-02
CH566776A5 (enrdf_load_stackoverflow) 1975-09-30
DK133658B (da) 1976-06-28
DE2412302A1 (de) 1974-09-26
FR2221118B1 (enrdf_load_stackoverflow) 1977-09-23
IT1006366B (it) 1976-09-30
GB1468963A (en) 1977-03-30
DK133658C (enrdf_load_stackoverflow) 1976-11-15

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Legal Events

Date Code Title Description
ST Notification of lapse