NL92573C - - Google Patents
Info
- Publication number
- NL92573C NL92573C NL92573DA NL92573C NL 92573 C NL92573 C NL 92573C NL 92573D A NL92573D A NL 92573DA NL 92573 C NL92573 C NL 92573C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
- H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
- H01J7/18—Means for absorbing or adsorbing gas, e.g. by gettering
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/28—Envelopes; Vessels
- H01K1/32—Envelopes; Vessels provided with coatings on the walls; Vessels or coatings thereon characterised by the material thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
- H01K3/005—Methods for coating the surface of the envelope
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU320935X | 1952-03-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL92573C true NL92573C (de) |
Family
ID=10978771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL92573D NL92573C (de) | 1952-03-28 |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH320935A (de) |
| DE (1) | DE1118880B (de) |
| FR (1) | FR1073824A (de) |
| NL (1) | NL92573C (de) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE444428C (de) * | 1925-11-15 | 1927-05-20 | Patra Patent Treuhand | Verfahren zur Herstellung elektrischer Lampen mit lichtstreuender oder farbiger Glocke |
| DE715921C (de) * | 1935-05-29 | 1942-01-09 | Philips Patentverwaltung | Verfahren zur Herstellung von Fluoreszenzschirmen |
| GB532783A (en) * | 1938-09-29 | 1941-01-30 | Westinghouse Electric Int Co | Improved method of coating the interior surface of the envelopes of electric lamps |
| NL81097C (de) * | 1947-02-15 | Gen Electric | ||
| DE830983C (de) * | 1949-03-24 | 1952-02-11 | Patra Patent Treuhand | Verfahren zur Erzielung einer duennen UEberzugsschicht aus feinkoernigen Pulverstoffen auf den Glasgefaessen elektrischer Lampen u. dgl. |
-
0
- NL NL92573D patent/NL92573C/xx active
-
1953
- 1953-03-13 CH CH320935D patent/CH320935A/de unknown
- 1953-03-16 DE DEE6910A patent/DE1118880B/de active Pending
- 1953-03-28 FR FR1073824D patent/FR1073824A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE1118880B (de) | 1961-12-07 |
| FR1073824A (fr) | 1954-09-29 |
| CH320935A (de) | 1957-04-15 |