AU2002228808A1 - A welding operation liquid crystal protection mask - Google Patents

A welding operation liquid crystal protection mask

Info

Publication number
AU2002228808A1
AU2002228808A1 AU2002228808A AU2880802A AU2002228808A1 AU 2002228808 A1 AU2002228808 A1 AU 2002228808A1 AU 2002228808 A AU2002228808 A AU 2002228808A AU 2880802 A AU2880802 A AU 2880802A AU 2002228808 A1 AU2002228808 A1 AU 2002228808A1
Authority
AU
Australia
Prior art keywords
liquid crystal
welding operation
protection mask
operation liquid
crystal protection
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.)
Abandoned
Application number
AU2002228808A
Inventor
Kiyoshi Miyashita
Shunsuke Suyama
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.)
3M Innovative Properties Co
Original Assignee
3M Innovative Properties Co
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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of AU2002228808A1 publication Critical patent/AU2002228808A1/en
Abandoned 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
    • A61F9/067—Masks, shields or hoods for welders use of particular optical filters with variable transmission

Landscapes

  • Health & Medical Sciences (AREA)
  • Ophthalmology & Optometry (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Liquid Crystal (AREA)
  • Polarising Elements (AREA)
AU2002228808A 2000-11-09 2001-11-08 A welding operation liquid crystal protection mask Abandoned AU2002228808A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000342324A JP2002144044A (en) 2000-11-09 2000-11-09 Liquid crystal protective mask for welding
JP2000-342324 2000-11-09
PCT/US2001/046495 WO2002038095A2 (en) 2000-11-09 2001-11-08 A welding operation liquid crystal protection mask

Publications (1)

Publication Number Publication Date
AU2002228808A1 true AU2002228808A1 (en) 2002-05-21

Family

ID=18816906

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002228808A Abandoned AU2002228808A1 (en) 2000-11-09 2001-11-08 A welding operation liquid crystal protection mask

Country Status (6)

Country Link
EP (1) EP1331909A2 (en)
JP (1) JP2002144044A (en)
AU (1) AU2002228808A1 (en)
BR (1) BR0115233A (en)
CA (1) CA2425249A1 (en)
WO (1) WO2002038095A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100737240B1 (en) * 2005-12-14 2007-07-09 오토스테크 주식회사 Control method for preventing from dazzling with detecting welding light
JP4883509B2 (en) * 2008-10-16 2012-02-22 株式会社アマダ Safety protection system for laser processing
US8569655B2 (en) * 2009-10-13 2013-10-29 Lincoln Global, Inc. Welding helmet with integral user interface
JP6196530B2 (en) * 2013-11-05 2017-09-13 株式会社ダイヘン Remote control device for power supply and processing system

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1430183A (en) * 1972-03-27 1976-03-31 Aga Ab Device for the protection of an operators eyes against intensive radiation
US4155122A (en) * 1975-12-02 1979-05-22 Revue Thommen Ag Light shield for welder's mask
US4560239A (en) * 1984-02-29 1985-12-24 Amnon Katz Liquid crystal active light shield
JPS61109430A (en) * 1984-10-31 1986-05-27 三菱電機株式会社 Trouble detecting circuit for inverter device
DE3634508C1 (en) * 1986-10-09 1988-06-16 Rupert Fuerthbauer Optical filter with automatic control of the optical transmission
US4766023A (en) * 1987-01-16 1988-08-23 Minnesota Mining And Manufacturing Company Method for making a flexible louvered plastic film with protective coatings and film produced thereby
JPH02117585A (en) * 1988-10-21 1990-05-02 Nkk Corp Personnel transport device
JPH0354521A (en) * 1989-07-21 1991-03-08 Seiko Sangyo:Kk Liquid crystal filter light shield controller for welding mask
DE4330817C1 (en) * 1993-09-13 1994-12-01 Optrel Ag Method of controlling an antiglare device, and antiglare device for performing the method
JP2725145B2 (en) * 1994-04-12 1998-03-09 有限会社セイコー産業 Liquid crystal filter shading control device for welding mask without operation power switch
CH686214A5 (en) * 1994-04-22 1996-02-15 Xelux Holding Ag Anti-glare device.
DE69415178T2 (en) * 1994-10-04 1999-04-29 Optrel Ag ELECTROOPTIC FILTER CARTRIDGE AND THEIR PRODUCTION METHOD

Also Published As

Publication number Publication date
CA2425249A1 (en) 2002-05-16
EP1331909A2 (en) 2003-08-06
WO2002038095A3 (en) 2003-01-23
BR0115233A (en) 2003-12-30
WO2002038095A2 (en) 2002-05-16
JP2002144044A (en) 2002-05-21

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