FR1389087A - Plates or sheets for the manufacture of glasses, screens and the like for the protection of welders - Google Patents

Plates or sheets for the manufacture of glasses, screens and the like for the protection of welders

Info

Publication number
FR1389087A
FR1389087A FR963560A FR963560A FR1389087A FR 1389087 A FR1389087 A FR 1389087A FR 963560 A FR963560 A FR 963560A FR 963560 A FR963560 A FR 963560A FR 1389087 A FR1389087 A FR 1389087A
Authority
FR
France
Prior art keywords
welders
glasses
screens
sheets
manufacture
Prior art date
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
FR963560A
Other languages
French (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.)
Dynamit Nobel AG
Original Assignee
Dynamit Nobel AG
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 Dynamit Nobel AG filed Critical Dynamit Nobel AG
Application granted granted Critical
Publication of FR1389087A publication Critical patent/FR1389087A/en
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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/02—Elements
    • C08K3/04—Carbon
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/08—Cellulose derivatives
    • C08L1/10—Esters of organic acids, i.e. acylates
    • C08L1/12—Cellulose acetate
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/20—Filters
    • G02B5/208—Filters for use with infrared or ultraviolet radiation, e.g. for separating visible light from infrared and/or ultraviolet radiation

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Optics & Photonics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Optical Filters (AREA)
  • Laminated Bodies (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Fodder In General (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
FR963560A 1949-05-02 1964-02-12 Plates or sheets for the manufacture of glasses, screens and the like for the protection of welders Expired FR1389087A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1949D0026757 DE1619038U (en) 1949-05-02 1949-05-02 SCALE WITH SLIDING WEIGHT IN PARTICULAR BEEHIVE SCALE.

Publications (1)

Publication Number Publication Date
FR1389087A true FR1389087A (en) 1965-02-12

Family

ID=29753994

Family Applications (1)

Application Number Title Priority Date Filing Date
FR963560A Expired FR1389087A (en) 1949-05-02 1964-02-12 Plates or sheets for the manufacture of glasses, screens and the like for the protection of welders

Country Status (5)

Country Link
BE (1) BE647039A (en)
CH (1) CH431814A (en)
DE (1) DE1619038U (en)
FR (1) FR1389087A (en)
GB (1) GB1060780A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4525462A (en) * 1982-05-27 1985-06-25 Deutsche Spezialglas Ag Dark blue dyed furnace sight glass with high infrared absorption
US5036115A (en) * 1984-06-08 1991-07-30 Photoprotective Technologies, Inc. Optical lens system incorporating melanin as an absorbing pigment for protection against electromagnetic radiation
US5047447A (en) * 1984-06-08 1991-09-10 Photoprotecive Technologies Incorporated Medium incorporating melanin as an absorbing pigment for protection against electromagnetic radiation
US5112883A (en) * 1984-06-08 1992-05-12 Photoprotective Technologies Incorporated Medium incorporating melanin as an absorbing pigment against electromagnetic radiation
US5116884A (en) * 1984-06-08 1992-05-26 Photoprotective Technology Incorporated Melanin hydrophilic contact lenses
US5187207A (en) * 1984-06-08 1993-02-16 Photoprotective Technologies, Inc. Melanin hydrophilic contact lenses

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2097810B (en) * 1981-04-04 1984-11-28 Sevendart Ltd Apparatus for use in sunbathing
AU4622689A (en) * 1988-10-06 1990-05-01 Photoprotective Technologies Incorporated Medium incorporating melanin as an absorbing pigment for protection against electromagnetic radiation

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4525462A (en) * 1982-05-27 1985-06-25 Deutsche Spezialglas Ag Dark blue dyed furnace sight glass with high infrared absorption
US5036115A (en) * 1984-06-08 1991-07-30 Photoprotective Technologies, Inc. Optical lens system incorporating melanin as an absorbing pigment for protection against electromagnetic radiation
US5047447A (en) * 1984-06-08 1991-09-10 Photoprotecive Technologies Incorporated Medium incorporating melanin as an absorbing pigment for protection against electromagnetic radiation
US5112883A (en) * 1984-06-08 1992-05-12 Photoprotective Technologies Incorporated Medium incorporating melanin as an absorbing pigment against electromagnetic radiation
US5116884A (en) * 1984-06-08 1992-05-26 Photoprotective Technology Incorporated Melanin hydrophilic contact lenses
US5187207A (en) * 1984-06-08 1993-02-16 Photoprotective Technologies, Inc. Melanin hydrophilic contact lenses

Also Published As

Publication number Publication date
BE647039A (en) 1964-08-17
CH431814A (en) 1967-03-15
DE1619038U (en) 1951-01-25
GB1060780A (en) 1967-03-08

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