JPH0188904U - - Google Patents
Info
- Publication number
- JPH0188904U JPH0188904U JP18455987U JP18455987U JPH0188904U JP H0188904 U JPH0188904 U JP H0188904U JP 18455987 U JP18455987 U JP 18455987U JP 18455987 U JP18455987 U JP 18455987U JP H0188904 U JPH0188904 U JP H0188904U
- Authority
- JP
- Japan
- Prior art keywords
- circumferential surface
- quartz glass
- glass rod
- metal tube
- outer circumferential
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002184 metal Substances 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
Description
第１図はこの考案のライトガイドの一実施例を
示す一部省略断面図、第２図ａ，ｂはそれぞれ同
上の―線、―線における断面図である。
１……石英ガラスロツド、２……金属管、３…
…空隙部、４……周溝、５，５′……固定用リン
グ、６……接着剤。
FIG. 1 is a partially omitted cross-sectional view showing an embodiment of the light guide of this invention, and FIGS. 2 a and 2 b are cross-sectional views taken along lines --- and ---, respectively. 1...quartz glass rod, 2...metal tube, 3...
...Gap portion, 4...Peripheral groove, 5, 5'...Fixing ring, 6...Adhesive.
Claims (1)
るライトガイドにおいて、上記石英ガラスロツド
の外周面と金属管の内周面との間に空隙部を設け
、金属管の両端の内周面に周溝を形成し、この金
属管の周溝と石英ガラスロツドの外周面との間に
形成される間隙部に、上記石英ガラスロツドと熱
膨張係数がほぼ等しい金属によつて形成された固
定用リングをそれぞれ嵌め込み、一方の固定用リ
ングの外周面及び内周面をそれぞれ金属管の周溝
の内周面と石英ガラスロツドの外周面に耐熱性接
着剤によつて接着し、他方の固定用リングの外周
面を金属管の周溝の内周面に耐熱性接着剤によつ
て接着したことを特徴とするライトガイド。 In a light guide formed by covering the outer circumference of a quartz glass rod with a metal tube, a gap is provided between the outer circumferential surface of the quartz glass rod and the inner circumferential surface of the metal tube, and circumferential grooves are formed on the inner circumferential surface of both ends of the metal tube. a fixing ring made of a metal having a coefficient of thermal expansion approximately equal to that of the quartz glass rod is fitted into the gap formed between the circumferential groove of the metal tube and the outer circumferential surface of the quartz glass rod; The outer circumferential surface and inner circumferential surface of one fixing ring are adhered to the inner circumferential surface of the circumferential groove of the metal tube and the outer circumferential surface of the quartz glass rod, respectively, with heat-resistant adhesive, and the outer circumferential surface of the other fixing ring is A light guide characterized by being bonded to the inner peripheral surface of a circumferential groove of a tube with a heat-resistant adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18455987U JPH0188904U (en) | 1987-12-02 | 1987-12-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18455987U JPH0188904U (en) | 1987-12-02 | 1987-12-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0188904U true JPH0188904U (en) | 1989-06-12 |
Family
ID=31475910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18455987U Pending JPH0188904U (en) | 1987-12-02 | 1987-12-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0188904U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005070664A (en) * | 2003-08-27 | 2005-03-17 | Fujikura Ltd | Laser branching device and laser processing apparatus |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61239203A (en) * | 1985-04-16 | 1986-10-24 | Sumitomo Electric Ind Ltd | Fixing structure for infrared optical fiber terminal |
| JPS628002U (en) * | 1985-07-02 | 1987-01-19 |
-
1987
- 1987-12-02 JP JP18455987U patent/JPH0188904U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61239203A (en) * | 1985-04-16 | 1986-10-24 | Sumitomo Electric Ind Ltd | Fixing structure for infrared optical fiber terminal |
| JPS628002U (en) * | 1985-07-02 | 1987-01-19 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005070664A (en) * | 2003-08-27 | 2005-03-17 | Fujikura Ltd | Laser branching device and laser processing apparatus |