JPH0429867U - - Google Patents
Info
- Publication number
- JPH0429867U JPH0429867U JP6985390U JP6985390U JPH0429867U JP H0429867 U JPH0429867 U JP H0429867U JP 6985390 U JP6985390 U JP 6985390U JP 6985390 U JP6985390 U JP 6985390U JP H0429867 U JPH0429867 U JP H0429867U
- Authority
- JP
- Japan
- Prior art keywords
- fiberscope
- cylindrical portion
- gas
- cryogenic container
- protective glass
- 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
- 239000011521 glass Substances 0.000 claims description 8
- 238000002347 injection Methods 0.000 claims description 6
- 239000007924 injection Substances 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000005494 condensation Effects 0.000 claims 2
- 238000009833 condensation Methods 0.000 claims 2
Landscapes
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Description
第１図は本考案のフアイバスコープによる極低
温容器観察構造の一実施例を示す縦断側面図であ
る。
１は極低温容器、２は観察用ガラス窓、３はフ
アイバスコープ、４は真空室又はガス注入室、５
はフアイバスコープ取付け具、６は筒部、７は保
護ガラス、８は保護ガラスの内面、９は筒部の内
周面、１０はフアイバスコープの外周、１１はガ
ス注入空隙。
FIG. 1 is a longitudinal sectional side view showing an embodiment of a structure for observing a cryogenic container using a fiberscope according to the present invention. 1 is a cryogenic container, 2 is a glass window for observation, 3 is a fiberscope, 4 is a vacuum chamber or gas injection chamber, 5
6 is a fiberscope attachment, 6 is a cylindrical portion, 7 is a protective glass, 8 is an inner surface of the protective glass, 9 is an inner peripheral surface of the cylindrical portion, 10 is an outer periphery of the fiberscope, and 11 is a gas injection gap.
Claims (1)
フアイバスコープ３により観察するようにしたフ
アイバスコープによる極低温容器観察構造におい
て、前記観察用ガラス窓２の外側に真空室又は結
露防止用のガスを注入するガス注入室４が形成さ
れ、同真空室又はガス注入室４内にフアイバスコ
ープ取付け具５の筒部６が配置され、同筒部６内
にフアイバスコープ３が挿入され、同フアイバス
コープ３の先端に保護ガラス７が設けられ、同保
護ガラス７の内面８と前記筒部６の内周面９とフ
アイバスコープ３の外周１０との間に結露防止用
ガスを注入するガス注入空隙１１が設けられてな
ることを特徴とするフアイバスコープによる極低
温容器観察構造。 In a cryogenic container observation structure using a fiberscope, in which the inside of a cryogenic container 1 is observed through a fiberscope 3 through an observation glass window 2, a vacuum chamber or a gas for preventing dew condensation is provided outside the observation glass window 2. A gas injection chamber 4 for injection is formed, a cylindrical portion 6 of a fiberscope mount 5 is arranged in the vacuum chamber or gas injection chamber 4, a fiberscope 3 is inserted into the cylindrical portion 6, and the fiberscope 3 is inserted into the cylindrical portion 6. A protective glass 7 is provided at the tip of the protective glass 7, and a gas injection gap 11 is provided between the inner surface 8 of the protective glass 7, the inner peripheral surface 9 of the cylindrical portion 6, and the outer periphery 10 of the fiberscope 3 for injecting a gas for preventing condensation. A structure for observing a cryogenic container using a fiberscope, characterized by being provided with a fiberscope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6985390U JPH0429867U (en) | 1990-06-29 | 1990-06-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6985390U JPH0429867U (en) | 1990-06-29 | 1990-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0429867U true JPH0429867U (en) | 1992-03-10 |
Family
ID=31605516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6985390U Pending JPH0429867U (en) | 1990-06-29 | 1990-06-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0429867U (en) |
-
1990
- 1990-06-29 JP JP6985390U patent/JPH0429867U/ja active Pending