GB619559A - Improvements in or relating to the manufacture of caps for electric discharge tubes or incandescent lamps - Google Patents
Improvements in or relating to the manufacture of caps for electric discharge tubes or incandescent lampsInfo
- Publication number
- GB619559A GB619559A GB33862/46A GB3386246A GB619559A GB 619559 A GB619559 A GB 619559A GB 33862/46 A GB33862/46 A GB 33862/46A GB 3386246 A GB3386246 A GB 3386246A GB 619559 A GB619559 A GB 619559A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cap
- pin
- caps
- holder
- rotation
- 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
Landscapes
- Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
Abstract
619,559. Making electric lamp &c. caps. PHILIPS LAMPS, Ltd. Nov. 14, 1946, No. 33862. Convention date, May 14, 1943. [Classes 83 (ii) and 83 (iv)] Cylindrical projecting parts on the cap of an electric incandescent lamp or discharge tube, such as pins for securing the cap in a holder, are formed out of the material of the cap by spinning. The cap 16 is supported on a holder 5, horizontally movable on guides 12 and a guide pin 10 which is clamped by a stud 9 in a central member 7. A shaping tool 17, comprising a holder 18 and a roller 20, is rotatable with respect to the pin 10 and movable horizontally and vertically, and engages the metal of the cap 16 and moves around the pin 10, either by rotation of the tool 17 or rotation of the workholder and cap. During the rotation the supporting member 5 is slowly pushed to the left with respect to the member 7, the pin 10 thereby gradually projecting from the member 5 and supporting the projection 21 during its formation.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL246120X | 1943-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB619559A true GB619559A (en) | 1949-03-10 |
Family
ID=19780847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB33862/46A Expired GB619559A (en) | 1943-05-14 | 1946-11-14 | Improvements in or relating to the manufacture of caps for electric discharge tubes or incandescent lamps |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE456044A (en) |
| CH (1) | CH246120A (en) |
| DE (1) | DE887235C (en) |
| FR (1) | FR905191A (en) |
| GB (1) | GB619559A (en) |
-
0
- BE BE456044D patent/BE456044A/xx unknown
-
1944
- 1944-05-11 DE DEN2471D patent/DE887235C/en not_active Expired
- 1944-05-12 CH CH246120D patent/CH246120A/en unknown
- 1944-06-20 FR FR905191D patent/FR905191A/en not_active Expired
-
1946
- 1946-11-14 GB GB33862/46A patent/GB619559A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE456044A (en) | |
| FR905191A (en) | 1945-11-27 |
| CH246120A (en) | 1946-12-15 |
| DE887235C (en) | 1953-08-20 |
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