DE220536C - - Google Patents
Info
- Publication number
- DE220536C DE220536C DENDAT220536D DE220536DA DE220536C DE 220536 C DE220536 C DE 220536C DE NDAT220536 D DENDAT220536 D DE NDAT220536D DE 220536D A DE220536D A DE 220536DA DE 220536 C DE220536 C DE 220536C
- Authority
- DE
- Germany
- Prior art keywords
- glass envelope
- glass
- double
- reflector
- double wall
- 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
- 239000011521 glass Substances 0.000 claims description 23
- 239000000463 material Substances 0.000 claims description 6
- 239000011324 bead Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000014443 Pyrus communis Nutrition 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 241000722921 Tulipa gesneriana Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 210000003298 dental enamel Anatomy 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S13/00—Non-electric lighting devices or systems employing a point-like light source; Non-electric lighting devices or systems employing a light source of unspecified shape
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Laminated Bodies (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE220536C true DE220536C (cg-RX-API-DMAC7.html) |
Family
ID=481576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT220536D Active DE220536C (cg-RX-API-DMAC7.html) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE220536C (cg-RX-API-DMAC7.html) |
-
0
- DE DENDAT220536D patent/DE220536C/de active Active
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