Halogen filament lamp专利检索-卤素灯白炽灯光源手电筒灯光专利检索查询-专利查询网

Halogen filament lamp

阅读：780发布：2023-05-05

专利汇可以提供Halogen filament lamp专利检索，专利查询，专利分析的服务。并且A method of manufacturing a halogen filament lamp in which a wire supporting the filament of the lamp is used having a meltable metal portion. The meltable metal portion is oriented approximately opposite to the sealing foil and the metal portion melts away during the formation of the pinch seal. The method provided a capability of permanently supporting the filament even during the pinching operation.，下面是Halogen filament lamp专利的具体信息内容。

权利要求

2. A method of manufacturing a tubular halogen filament lamp of the type which is sealed at either end by a pinch seal and has a longitudinal filament connected to foils embedded in the pinch seal, which foils are each connected to a lead-in conductor which emerges from the lamp, the filament being supported in at least one place by a part of a supporting wire which similarly extends longitudinally within said lamp, said wire also being embedded at either end, said method comprising the steps of: coupling a first chain of elements including a filament, foils secured to either end of said filament, and lead-in conductors secured to said foils; coupling a second chain of elements and orienting it substantially parallel to said first chain, said second chain including a wire supporting said filament in at least one place and a pair of meltable metal members positioned approximately opposite said foils; surrounding said two chains by a tubular glass member which is shorter than the length of each chain; forming pinch seals at either end of said tubular member, thereby embedding the foils and melting and embedding the meltable members in said pinch seals; evacuating said resulting lamp vessels through a lateral exhaust tube; filling said lamp with an appropriate gas; and sealing said lamp.

3. A method as claimed in claim 1, wherein the meltable metal member is in the form of a tube in the two ends of which parts of the supporting wire are secured at some distance from each other.

4. A method as claimed in claim 3, wherein the metal member is in the form of a nickel tube.

5. A method as claimed in claim 2, wherein the starting material is a supporting wire of which at least one of the ends is bent back and secured to one of the foils, in which after the formation of the pinch seal a separation operation may be carried out on the bent part of the supporting wire extending from the lamp vessel.

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Halogen filament lamp

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