GB380547A - Improved apparatus for frosting the interior surfaces of incandescent lamp bulbs andother hollow glass objects - Google Patents
Improved apparatus for frosting the interior surfaces of incandescent lamp bulbs andother hollow glass objectsInfo
- Publication number
- GB380547A GB380547A GB20641/31A GB2064131A GB380547A GB 380547 A GB380547 A GB 380547A GB 20641/31 A GB20641/31 A GB 20641/31A GB 2064131 A GB2064131 A GB 2064131A GB 380547 A GB380547 A GB 380547A
- Authority
- GB
- United Kingdom
- Prior art keywords
- frosting
- container
- bulbs
- hollow glass
- interior surfaces
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C15/00—Surface treatment of glass, not in the form of fibres or filaments, by etching
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Surface Treatment Of Glass (AREA)
Abstract
380,547. Etching. KOOPERATIVA FÍRBUNDET, 9, Katarinavõgen, Stockholm. July 18, 1931, No. 20641. Convention date, Aug. 7, 1930. [Class 100 (ii).] In an apparatus for frosting the interior surfaces of lamp bulbs or other hollow glass objects, the container for the frosting solution is arranged at a higher level than the bulbs &c. so that it flows into the bulbs by gravity. In one form, Fig. 1, the container 1 is connected by conduits 2, 12 to a pipe system 3, 13 vertically movable in a box 4 so that the nozzles 14 carried thereby may be inserted in and removed from the bulbs 15. Surplus solution runs into a reserve tank 7 from which it is returned to the container 1 by a pipe 10 and pump 8. In a second form, Fig. 2, two containers 1, 1a are provided connected to the pipe 10 and conduit 2 and instead of a pump 8, a vacuum pump 16 may be connected to either container 1, 1a to cause solution to pass into that container from the reserve tank.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE380547X | 1930-08-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB380547A true GB380547A (en) | 1932-09-22 |
Family
ID=20309175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB20641/31A Expired GB380547A (en) | 1930-08-07 | 1931-07-18 | Improved apparatus for frosting the interior surfaces of incandescent lamp bulbs andother hollow glass objects |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB380547A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2220202B (en) * | 1988-07-02 | 1992-04-08 | Emi Plc Thorn | Linear filament lamp and tubular quartz glassware used in the manufacture of a linear filament lamp |
-
1931
- 1931-07-18 GB GB20641/31A patent/GB380547A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2220202B (en) * | 1988-07-02 | 1992-04-08 | Emi Plc Thorn | Linear filament lamp and tubular quartz glassware used in the manufacture of a linear filament lamp |
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