Title:
INCANDESCENT LAMP
Document Type and Number:
Japanese Patent JP2017157308
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To attain improvement of impact resistance while preventing a holding part of a filament and a lead wire from being disconnected in an incandescent lamp.SOLUTION: A pair of lead wires 4 penetrates a pinch seal part 3 and includes one end and the other end inside and outside of a bulb 2, respectively. Each of the lead wires 4 consists of a first division 18a at one end side and a second division 18b at the other end side, the first division and the second division being connected at a connection position 20. The first division 18a consists of a material containing molybdenum as a main component. The second division 18b includes a core 22 of an alloy of iron and nickel, and a periphery 23 containing nickel as a main component and fixed to the core 22 via an alloy layer 24. A filament 6 is connected to both the first divisions 18a in both ends. The connection position 20 is set within the bulb 2.SELECTED DRAWING: Figure 1
Inventors:
YASUDA SATOSHI
Application Number:
JP2016037199A
Publication Date:
September 07, 2017
Filing Date:
February 29, 2016
Export Citation:
Assignee:
STANLEY ELECTRIC CO LTD
International Classes:
H01K1/40
Attorney, Agent or Firm:
Creation International Patent Office
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