BR0115233A - Máscara protetora de cristal lìquido para operação de soldagem - Google Patents

Máscara protetora de cristal lìquido para operação de soldagem

Info

Publication number
BR0115233A
BR0115233A BR0115233-5A BR0115233A BR0115233A BR 0115233 A BR0115233 A BR 0115233A BR 0115233 A BR0115233 A BR 0115233A BR 0115233 A BR0115233 A BR 0115233A
Authority
BR
Brazil
Prior art keywords
liquid crystal
protective mask
welding operation
main body
sensing means
Prior art date
Application number
BR0115233-5A
Other languages
English (en)
Inventor
Kiyoshi Miyashita
Shunsuke Suyama
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 BR0115233A publication Critical patent/BR0115233A/pt

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)

Abstract

"MáSCARA PROTETORA DE CRISTAL LìQUIDO PARA OPERAçãO DE SOLDAGEM". Uma máscara protetora, de cristal líquido, para operação de soldagem, para proteger os olhos de um operador humano contra uma luz de arco gerada durante uma operação de soldagem, compreende um corpo principal da máscara protetora de cristal líquido (1) adaptado para ser fixado à face de um operador humano; um meio de detecção (2) disposto na vizinhança do corpo principal da máscara protetora de cristal líquido e capaz de detectar uma luz de arco incidente gerada durante a operação de soldagem e deste modo produzir um resultado de detecção; uma seção de cristal líquido bloqueadora de luz (3) que está disposta em uma posição correspondendo aos olhos de um operador humano vestindo a máscara protetora com a face humano sendo coberta pelo corpo principal da máscara protetora (1) e que possui um membro de cristal líquido (7) que é capaz de bloquear a luz incidente pela redução instantânea da transmitância de luz do cristal líquido de acordo com o resultado de detecção fornecido pelo meio de detecção e por intermédio de uma fonte de energia acionadora de cristal líquido (6); e uma placa polarizadora (5) que é proporcionada na frente do meio de detecção para cobrir o meio de detecção (2) e que é capaz de controlar a orientação da luz incidente.
BR0115233-5A 2000-11-09 2001-11-08 Máscara protetora de cristal lìquido para operação de soldagem BR0115233A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000342324A JP2002144044A (ja) 2000-11-09 2000-11-09 溶接用液晶防護面
PCT/US2001/046495 WO2002038095A2 (en) 2000-11-09 2001-11-08 A welding operation liquid crystal protection mask

Publications (1)

Publication Number Publication Date
BR0115233A true BR0115233A (pt) 2003-12-30

Family

ID=18816906

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0115233-5A BR0115233A (pt) 2000-11-09 2001-11-08 Máscara protetora de cristal lìquido para operação de soldagem

Country Status (6)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100737240B1 (ko) * 2005-12-14 2007-07-09 오토스테크 주식회사 용접광 검출 눈부심 방지장치의 제어방법
JP4883509B2 (ja) * 2008-10-16 2012-02-22 株式会社アマダ レーザ加工用安全保護システム
US8569655B2 (en) * 2009-10-13 2013-10-29 Lincoln Global, Inc. Welding helmet with integral user interface
JP6196530B2 (ja) * 2013-11-05 2017-09-13 株式会社ダイヘン 電源装置の遠隔操作装置、および、加工システム

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 (ja) * 1984-10-31 1986-05-27 三菱電機株式会社 インバ−タ装置の故障検出装置
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 (ja) * 1988-10-21 1990-05-02 Nkk Corp 人員輸送装置
JPH0354521A (ja) * 1989-07-21 1991-03-08 Seiko Sangyo:Kk 溶接マスクの液晶フィルタ遮光制御装置
DE4330817C1 (de) * 1993-09-13 1994-12-01 Optrel Ag Verfahren zur Steuerung einer Blendschutzeinrichtung und Blendschutzeinrichtung zur Durchführung des Verfahrens
JP2725145B2 (ja) * 1994-04-12 1998-03-09 有限会社セイコー産業 操作電源スイッチをもたない溶接マスクの液晶フィルタ遮光制御装置
CH686214A5 (de) * 1994-04-22 1996-02-15 Xelux Holding Ag Blendschutzvorrichtung.
ES2124917T3 (es) * 1994-10-04 1999-02-16 Optrel Ag Cartucho de filtro electrooptico y un metodo para fabricar el mismo.

Also Published As

Publication number Publication date
CA2425249A1 (en) 2002-05-16
AU2002228808A1 (en) 2002-05-21
EP1331909A2 (en) 2003-08-06
JP2002144044A (ja) 2002-05-21
WO2002038095A2 (en) 2002-05-16
WO2002038095A3 (en) 2003-01-23

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Legal Events

Date Code Title Description
B08F Application fees: dismissal - article 86 of industrial property law

Free format text: REFERENTE 9A.

B08K Lapse as no evidence of payment of the annual fee has been furnished to inpi (acc. art. 87)

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2082 DE 30/11/2010.