KR850001395Y1 - 전기 용접용 자동식 차광 보안경 - Google Patents
전기 용접용 자동식 차광 보안경 Download PDFInfo
- Publication number
- KR850001395Y1 KR850001395Y1 KR2019830005278U KR830005278U KR850001395Y1 KR 850001395 Y1 KR850001395 Y1 KR 850001395Y1 KR 2019830005278 U KR2019830005278 U KR 2019830005278U KR 830005278 U KR830005278 U KR 830005278U KR 850001395 Y1 KR850001395 Y1 KR 850001395Y1
- Authority
- KR
- South Korea
- Prior art keywords
- liquid crystal
- welding
- electric welding
- square wave
- wave current
- 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
Links
- 238000003466 welding Methods 0.000 title claims description 26
- 239000004973 liquid crystal related substance Substances 0.000 claims description 30
- 230000010355 oscillation Effects 0.000 claims description 9
- 230000004313 glare Effects 0.000 claims description 4
- 239000005336 safety glass Substances 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 8
- 239000013078 crystal Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
- F16P1/00—Safety devices independent of the control and operation of any machine
- F16P1/06—Safety devices independent of the control and operation of any machine specially designed for welding
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Ophthalmology & Optometry (AREA)
- Mechanical Engineering (AREA)
- Eyeglasses (AREA)
- Liquid Crystal (AREA)
Abstract
Description
Claims (1)
- 액정부(液晶部, Liquid crystal)(1)과 포토·셀(Photo cell)(3)과 변환기(Inverter)(4)와 앤드로직(AND LOGIC)회로(5)와 투명전극(6)과 이 투명전극(6)을 연결하고 이 투명전극(6)에 구형파 전류를 공급하기 위한 발진회로(7)과로 구성되어 상기 발진회로(7)에서 발생되는 구형파 전류에 의하여 전기용접 섬광발생 순간으로부터 0.1초 이내에 섬광을 차광되도록 하고 상기 액정부(1)과 반투명부(2)를 가로, 세로 또는 사선으로 교호배열하여 전기용접 작업중에도 피용접체를 볼 수 있도록 한 것을 특징으로 하는 전기용접용 자동식 차광 보안경.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019830005278U KR850001395Y1 (ko) | 1983-06-16 | 1983-06-16 | 전기 용접용 자동식 차광 보안경 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR2019830005278U KR850001395Y1 (ko) | 1983-06-16 | 1983-06-16 | 전기 용접용 자동식 차광 보안경 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR850000221U KR850000221U (ko) | 1985-02-27 |
KR850001395Y1 true KR850001395Y1 (ko) | 1985-07-08 |
Family
ID=19230359
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR2019830005278U Expired KR850001395Y1 (ko) | 1983-06-16 | 1983-06-16 | 전기 용접용 자동식 차광 보안경 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR850001395Y1 (ko) |
-
1983
- 1983-06-16 KR KR2019830005278U patent/KR850001395Y1/ko not_active Expired
Also Published As
Publication number | Publication date |
---|---|
KR850000221U (ko) | 1985-02-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UA0108 | Application for utility model registration |
Comment text: Application for Utility Model Registration Patent event code: UA01011R08D Patent event date: 19830616 |
|
UA0201 | Request for examination |
Patent event date: 19830616 Patent event code: UA02012R01D Comment text: Request for Examination of Application |
|
UE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event code: UE09021S01D Patent event date: 19850218 |
|
UG1501 | Laying open of application | ||
UG1604 | Publication of application |
Patent event code: UG16041S01I Comment text: Decision on Publication of Application Patent event date: 19850611 |
|
E701 | Decision to grant or registration of patent right | ||
UE0701 | Decision of registration |
Patent event date: 19850916 Comment text: Decision to Grant Registration Patent event code: UE07011S01D |