BE687431A - - Google Patents
Info
- Publication number
- BE687431A BE687431A BE687431DA BE687431A BE 687431 A BE687431 A BE 687431A BE 687431D A BE687431D A BE 687431DA BE 687431 A BE687431 A BE 687431A
- Authority
- BE
- Belgium
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
- A61F9/061—Masks, shields or hoods for welders with movable shutters, e.g. filter discs; Actuating means therefor
-
- 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
-
- 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)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Ophthalmology & Optometry (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Vascular Medicine (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Toxicology (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Optical Filters (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1333065A CH444381A (fr) | 1965-09-27 | 1965-09-27 | Dispositif de protection contre les rayons ultraviolets et infrarouges |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE687431A true BE687431A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1967-03-01 |
Family
ID=4391484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE687431D BE687431A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1965-09-27 | 1966-09-27 |
Country Status (4)
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE445969B (sv) * | 1983-03-24 | 1986-08-04 | Holmstroem Per Olof | Svetsskydd, vilket er avsett att anbringas framfor svetsarens ansikte for att skydda mot skadlig stralning |
-
1965
- 1965-09-27 CH CH1333065A patent/CH444381A/fr unknown
-
1966
- 1966-09-24 DE DE19666603683 patent/DE6603683U/de not_active Expired
- 1966-09-27 FR FR77810A patent/FR1501065A/fr not_active Expired
- 1966-09-27 BE BE687431D patent/BE687431A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH444381A (fr) | 1967-09-30 |
| DE6603683U (de) | 1969-11-20 |
| FR1501065A (fr) | 1967-11-10 |