NL7402951A - - Google Patents

Info

Publication number
NL7402951A
NL7402951A NL7402951A NL7402951A NL7402951A NL 7402951 A NL7402951 A NL 7402951A NL 7402951 A NL7402951 A NL 7402951A NL 7402951 A NL7402951 A NL 7402951A NL 7402951 A NL7402951 A NL 7402951A
Authority
NL
Netherlands
Application number
NL7402951A
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 filed Critical
Publication of NL7402951A publication Critical patent/NL7402951A/xx

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)
NL7402951A 1973-03-14 1974-03-05 NL7402951A (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 (1)

Publication Number Publication Date
NL7402951A true NL7402951A (enrdf_load_stackoverflow) 1974-09-17

Family

ID=20316905

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7402951A NL7402951A (enrdf_load_stackoverflow) 1973-03-14 1974-03-05

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

Also Published As

Publication number Publication date
FR2221118A1 (enrdf_load_stackoverflow) 1974-10-11
BR7401906D0 (pt) 1974-10-29
FR2221118B1 (enrdf_load_stackoverflow) 1977-09-23
JPS5070039A (enrdf_load_stackoverflow) 1975-06-11
CH566776A5 (enrdf_load_stackoverflow) 1975-09-30
DK133658B (da) 1976-06-28
SE386066B (sv) 1976-08-02
DE2412302A1 (de) 1974-09-26
IT1006366B (it) 1976-09-30
CA999171A (en) 1976-11-02
GB1468963A (en) 1977-03-30
DK133658C (enrdf_load_stackoverflow) 1976-11-15

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Legal Events

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