CH431814A - Tafel zur Herstellung von Schweisserschutzblenden - Google Patents

Tafel zur Herstellung von Schweisserschutzblenden

Info

Publication number
CH431814A
CH431814A CH357164A CH357164A CH431814A CH 431814 A CH431814 A CH 431814A CH 357164 A CH357164 A CH 357164A CH 357164 A CH357164 A CH 357164A CH 431814 A CH431814 A CH 431814A
Authority
CH
Switzerland
Prior art keywords
mass
absorber
welding protection
production
plastic
Prior art date
Application number
CH357164A
Other languages
German (de)
English (en)
Inventor
Wolfgang Dr Jensch
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
Publication of CH431814A publication Critical patent/CH431814A/de

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)
  • Medicinal Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Physics & Mathematics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Optics & Photonics (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)
CH357164A 1949-05-02 1964-03-19 Tafel zur Herstellung von Schweisserschutzblenden CH431814A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1949D0026757 DE1619038U (de) 1949-05-02 1949-05-02 Waage mit schiebegewicht insbesondere bienenstockwaage.

Publications (1)

Publication Number Publication Date
CH431814A true CH431814A (de) 1967-03-15

Family

ID=29753994

Family Applications (1)

Application Number Title Priority Date Filing Date
CH357164A CH431814A (de) 1949-05-02 1964-03-19 Tafel zur Herstellung von Schweisserschutzblenden

Country Status (5)

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

Families Citing this family (8)

* 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
DE3220072C2 (de) * 1982-05-27 1986-09-04 Deutsche Spezialglas Ag, 3223 Delligsen Dunkelblau gefärbtes Ofenschauglas mit hoher Infrarotabsorption
US5112883A (en) * 1984-06-08 1992-05-12 Photoprotective Technologies Incorporated Medium incorporating melanin as an absorbing pigment 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
US5187207A (en) * 1984-06-08 1993-02-16 Photoprotective Technologies, Inc. Melanin hydrophilic contact lenses
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
US5116884A (en) * 1984-06-08 1992-05-26 Photoprotective Technology Incorporated Melanin hydrophilic contact lenses
AU4622689A (en) * 1988-10-06 1990-05-01 Photoprotective Technologies Incorporated Medium incorporating melanin as an absorbing pigment for protection against electromagnetic radiation

Also Published As

Publication number Publication date
BE647039A (OSRAM) 1964-08-17
DE1619038U (de) 1951-01-25
FR1389087A (fr) 1965-02-12
GB1060780A (en) 1967-03-08

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