GB1102075A - Improvements in or relating to methods of manufacturing electrical devices comprising an envelope and current-supply wires secured thereto - Google Patents
Improvements in or relating to methods of manufacturing electrical devices comprising an envelope and current-supply wires secured theretoInfo
- Publication number
- GB1102075A GB1102075A GB1199065A GB1199065A GB1102075A GB 1102075 A GB1102075 A GB 1102075A GB 1199065 A GB1199065 A GB 1199065A GB 1199065 A GB1199065 A GB 1199065A GB 1102075 A GB1102075 A GB 1102075A
- Authority
- GB
- United Kingdom
- Prior art keywords
- envelope
- current
- supply wires
- supports
- foot
- 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
- H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
Abstract
<PICT:1102075/C1/1> In a method of manufacturing an electrical device, e.g. an incandescent lamp, discharge lamp, glow switch or relay comprising an envelope 1 and current supply wires 7, 8 secured thereto, in which at least one current-supply wire is connected to an internal member 3, 5 of the device fixedly connected to the envelope 1, the glass envelope is locally softened at an area 11, 12 other than where the internal member is or is to be fixedly connected to the envelope, and is pushed inwards at the softened area 11, 12 to engage the internal member 3, 5 and determine the position of at least a part of this member in the envelope. As shown, in a switch two nickel supports 3, 4 are embedded at one end in a flat foot 2. Bimetallic strips 5, 6 are welded to the other ends. The supports 3, 4 are connected to copper clad current supply wires 7, 8 in the foot 2. This combination of parts is inserted into the lower end of a glass tube 1 and a flat pinch produced to form a seal at the foot 2. The glass tube is then softened at two diametrically opposed portions 11, 12 and two wedges 13, 14 pushed against these areas to form two re-entrant parts which engage against the supports 3, 4 holding them the desired distance apart. The tube 1 is then drawn out at its upper end, exhausted, filled with a gas and finally sealed.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6403116A NL6403116A (en) | 1964-03-24 | 1964-03-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1102075A true GB1102075A (en) | 1968-02-07 |
Family
ID=19789636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1199065A Expired GB1102075A (en) | 1964-03-24 | 1965-03-22 | Improvements in or relating to methods of manufacturing electrical devices comprising an envelope and current-supply wires secured thereto |
Country Status (7)
| Country | Link |
|---|---|
| AT (1) | AT252387B (en) |
| BE (1) | BE661558A (en) |
| DE (1) | DE1489428A1 (en) |
| DK (1) | DK117723B (en) |
| GB (1) | GB1102075A (en) |
| NL (1) | NL6403116A (en) |
| SE (1) | SE304788B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5209689A (en) * | 1991-12-27 | 1993-05-11 | Gte Products Corporation | Methods for mounting filaments in tubular incandescent lamp capsules |
| CN105345324B (en) * | 2015-11-27 | 2018-05-25 | 镇江晨光焊接设备制造有限公司 | The short foot of stem seal wire welding pushes mechanism aside |
-
1964
- 1964-03-24 NL NL6403116A patent/NL6403116A/xx unknown
-
1965
- 1965-03-20 DE DE19651489428 patent/DE1489428A1/en active Pending
- 1965-03-20 DK DK144665A patent/DK117723B/en unknown
- 1965-03-22 AT AT258665A patent/AT252387B/en active
- 1965-03-22 GB GB1199065A patent/GB1102075A/en not_active Expired
- 1965-03-22 SE SE367065A patent/SE304788B/xx unknown
- 1965-03-24 BE BE661558A patent/BE661558A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE661558A (en) | 1965-09-24 |
| AT252387B (en) | 1967-02-27 |
| NL6403116A (en) | 1965-09-27 |
| DK117723B (en) | 1970-05-25 |
| DE1489428A1 (en) | 1969-05-14 |
| SE304788B (en) | 1968-10-07 |
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