| 发明名称 |
CIRCULAR FLUORESCENT LAMP AND LIGHTING EQUIPMENT |
| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a circular fluorescent lamp and an illumination equipment in which the base is easily possible to be loaded. <P>SOLUTION: The base 3 is comprised that a cylindrical body is formed by dividing it into two respective half cylindrical bodies which are a first and a second base members 6, 7 made of resin and by joining them. The wall thickness d1 of the center part 3A is 1.2 to 2.0 mm, and the inner diameter D2 of both end parts 3B, 3B is formed to become larger than the inner diameter D1 of the center part 3A. <P>COPYRIGHT: (C)2004,JPO |
| 申请公布号 |
JP2003297227(A) |
申请公布日期 |
2003.10.17 |
| 申请号 |
JP20020097686 |
申请日期 |
2002.03.29 |
| 申请人 |
TOSHIBA LIGHTING & TECHNOLOGY CORP |
发明人 |
NAKAMURA TOSHIYUKI;MATSUNAGA HIROYUKI |
| 分类号 |
F21S4/00;F21S8/04;F21Y103/02;H01J5/50 |
主分类号 |
F21S4/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
