ES257195A1 - Improvements in or relating to incandescent lamps - Google Patents
Improvements in or relating to incandescent lampsInfo
- Publication number
- ES257195A1 ES257195A1 ES0257195A ES257195A ES257195A1 ES 257195 A1 ES257195 A1 ES 257195A1 ES 0257195 A ES0257195 A ES 0257195A ES 257195 A ES257195 A ES 257195A ES 257195 A1 ES257195 A1 ES 257195A1
- Authority
- ES
- Spain
- Prior art keywords
- parts
- woodmeal
- cap
- novolak
- hexamethylene tetramine
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/42—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp
- H01K1/46—Means forming part of the lamp for the purpose of providing electrical connection, or support for, the lamp supported by a separate part, e.g. base, cap
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K1/00—Details
- H01K1/62—One or more circuit elements structurally associated with the lamp
- H01K1/66—One or more circuit elements structurally associated with the lamp with built-in fuse
Landscapes
- Furnace Housings, Linings, Walls, And Ceilings (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
- Laminated Bodies (AREA)
- Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
Abstract
A hollow cylinder of an insulating foam producing composition consisting of novolak, hexamethylene tetramine and a filler such as calcium carbonate woodmeal or gypsum is inserted into the cap of an incandescent lamp and converted to foam during the cementing operation for securing the cap to the bulb. In an example, a mixture of 5 parts novolak, 1 part hexamethylene tetramine, 8 parts dolomite and 0,5 parts woodmeal is used.ALSO:A hollow cylinder of an insulating foam producing composition consisting of Novolak, hexamethylene tetramine and a filler such as calcium carbonate, woodmeal or gypsum is inserted into the cap of an incandescent lamp and converted to foam during the cementing operation for securing the cap to the bulb. In an example, a mixture of 5 parts Novolak, 1 part hexamethylene tetramine, 8 parts dolomite and 0,5 parts woodmeal is used.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL238035 | 1959-04-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES257195A1 true ES257195A1 (en) | 1961-03-16 |
Family
ID=19751665
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES0257195A Expired ES257195A1 (en) | 1959-04-10 | 1960-04-07 | Improvements in or relating to incandescent lamps |
Country Status (5)
Country | Link |
---|---|
CH (1) | CH383496A (en) |
DE (2) | DE1859272U (en) |
ES (1) | ES257195A1 (en) |
GB (1) | GB936481A (en) |
NL (1) | NL104317C (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1246118B (en) * | 1965-02-22 | 1967-08-03 | Patra Patent Treuhand | Method for mounting an electric incandescent lamp |
US6650033B2 (en) | 2001-08-06 | 2003-11-18 | Tyco Electronics Corporation | Foamable coupling for lamp assembly and methods for using the coupling |
-
0
- NL NL104317D patent/NL104317C/xx active
-
1960
- 1960-04-06 DE DE1960N0011106 patent/DE1859272U/en not_active Expired
- 1960-04-06 DE DEN18130A patent/DE1123394B/en active Pending
- 1960-04-07 CH CH391260A patent/CH383496A/en unknown
- 1960-04-07 ES ES0257195A patent/ES257195A1/en not_active Expired
- 1960-04-07 GB GB1238860A patent/GB936481A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB936481A (en) | 1963-09-11 |
CH383496A (en) | 1964-10-31 |
DE1123394B (en) | 1962-02-08 |
NL104317C (en) | |
DE1859272U (en) | 1962-10-04 |
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