Claims
- 1. A lamp apparatus manufacturing method comprising:electrically connecting a first conductor to a top end of a base at one side of the base and a second conductor to a threaded portion at the other side of the base, wherein the top end of base has a flat portion and a cylinder portion that has a through hole penetrating the flat portion at nearly the center of the flat portion and a cylinder portion is formed protruding from the flat portion; mounting the base to a lamp body; and welding the cylinder portion and the first conductor by mutually fusing in the state with the top end of the first conductor inserted into the through hole, wherein the top end of base is connected to the first conductor by inserting the first conductor into the cylinder portion, fixing the conductor by crushing the cylinder portion from the side and welding them.
- 2. A lamp apparatus manufacturing method according to claim 1, wherein a dimple is formed at nearly the center of the flat portion of the top end of base, the cylinder portion is formed in the dimple and a ring-shaped surround groove in a nearly V shape section surrounding the cylinder portion is formed with the peripheral surface of the cylinder portion and the inner surface of the dimple.
Priority Claims (2)
Number |
Date |
Country |
Kind |
11-020838 |
Jan 1999 |
JP |
|
11-061801 |
Mar 1999 |
JP |
|
Parent Case Info
This is a Divisional of National application Ser. No. 09/493,071 filed Jan. 28, 2000.
US Referenced Citations (6)
Foreign Referenced Citations (2)
Number |
Date |
Country |
49-82574 |
Jul 1974 |
JP |
10-275602 |
Oct 1998 |
JP |