DE233974C - - Google Patents
Info
- Publication number
- DE233974C DE233974C DENDAT233974D DE233974DA DE233974C DE 233974 C DE233974 C DE 233974C DE NDAT233974 D DENDAT233974 D DE NDAT233974D DE 233974D A DE233974D A DE 233974DA DE 233974 C DE233974 C DE 233974C
- Authority
- DE
- Germany
- Prior art keywords
- sheet metal
- strip
- smooth
- screen body
- protective screen
- 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.)
- Active
Links
- 239000002184 metal Substances 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 11
- 239000011324 bead Substances 0.000 claims description 2
- 239000011521 glass Substances 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21L—LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE OR SPECIALLY ADAPTED FOR TRANSPORTATION
- F21L23/00—Non-electric hand-lamps for miners
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
- Aerials With Secondary Devices (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE233974C true DE233974C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=493873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT233974D Active DE233974C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE233974C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
-
0
- DE DENDAT233974D patent/DE233974C/de active Active
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