NL34364C - - Google Patents
Info
- Publication number
- NL34364C NL34364C NL34364DA NL34364C NL 34364 C NL34364 C NL 34364C NL 34364D A NL34364D A NL 34364DA NL 34364 C NL34364 C NL 34364C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/04—Frequency-transposition arrangements
- H04J1/045—Filters applied to frequency transposition
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K9/00—Arc welding or cutting
- B23K9/24—Features related to electrodes
- B23K9/28—Supporting devices for electrodes
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Ophthalmology & Optometry (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Signal Processing (AREA)
Publications (1)
Publication Number | Publication Date |
---|---|
NL34364C true NL34364C (en) |
Family
ID=1797646
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL34364D NL34364C (en) |
Country Status (1)
Country | Link |
---|---|
NL (1) | NL34364C (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2683877A (en) * | 1951-09-14 | 1954-07-20 | Boltich Charles | Welding shield |
US4785954A (en) * | 1986-10-09 | 1988-11-22 | Li Edward K | Welding maskholder |
-
0
- NL NL34364D patent/NL34364C/xx active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2683877A (en) * | 1951-09-14 | 1954-07-20 | Boltich Charles | Welding shield |
US4785954A (en) * | 1986-10-09 | 1988-11-22 | Li Edward K | Welding maskholder |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US11090192B2 (en) | Personal protective system tool communication adapter | |
US1509022A (en) | Clamp | |
US8690040B2 (en) | Method of forming a solder joint | |
US6172334B1 (en) | Tool kit for shielded metal-arc welding | |
US2235594A (en) | Safety shield for welding torches | |
GB325586A (en) | Improvements relating to devices for protecting a person from the radiations of an electric arc | |
US1822308A (en) | Electrically operated welder's hood | |
US1421467A (en) | Windshield attachment | |
US4785954A (en) | Welding maskholder | |
US2105018A (en) | Welding shield | |
US4993617A (en) | Structure of head shield for welding pliers | |
US2683877A (en) | Welding shield | |
GB129177A (en) | Improvements in Means for Protecting the Eyes of Workmen Engaged in Acetylene Welding and the like Operations. | |
USD967546S1 (en) | Welding mask | |
GB666219A (en) | Improvements in or relating to protective apparatus for use by operators of electriccutting and welding equipment | |
GB2139373A (en) | Improvements in or relating to welding | |
CN106491272B (en) | A kind of more protective face masks of electric welding | |
US2748392A (en) | Viewer device or the like | |
GB294448A (en) | A new or improved sight protector applicable to welding blow pipes and the like | |
DE1080730B (en) | Protective shield for electric welder | |
CH260738A (en) | Equipment for welders with a protective shield to be put on the head. | |
DE3616219A1 (en) | Handle (welding-shield handle, interchangeable with electrode holder) | |
CH324887A (en) | Attachable protective shield | |
CH131408A (en) | Apparatus for electric arc welding. | |
GB249680A (en) | Improvements in burners for autogenous metal-cutting and welding |