Title:
白熱電球
Document Type and Number:
Japanese Patent JP6758056
Kind Code:
B2
Abstract:
An incandescent lamp is provided which prevents disconnection of a coupling part between a filament and a lead wire and also which improves impact resistance. A lead wire 4 has, in a standing portion 11 inside of a bulb 2, a first zone 19a to a third zone 19c in order from a top. The third zone 19c further penetrates through a pinch seal part 3 while firmly fixed thereto. The first zone 19a and the second zone 19b are formed of materials consisting primarily of molybdenum and nickel, respectively. The third zone 19c is formed of a Dumet wire 29.
Inventors:
Satoshi Yasuda
Application Number:
JP2016037200A
Publication Date:
September 23, 2020
Filing Date:
February 29, 2016
Export Citation:
Assignee:
Stanley Electric Co., Ltd.
International Classes:
H01K1/40; H01K1/22
Domestic Patent References:
| JP2001345078A | ||||
| JP48019983Y1 | ||||
| JP2015185419A | ||||
| JP2017157308A |
Foreign References:
| EP1246220A1 |
Attorney, Agent or Firm:
Creation International Patent Office