JPS5847096U - Observation window contamination prevention device - Google Patents

Observation window contamination prevention device

Info

Publication number
JPS5847096U
JPS5847096U JP13869181U JP13869181U JPS5847096U JP S5847096 U JPS5847096 U JP S5847096U JP 13869181 U JP13869181 U JP 13869181U JP 13869181 U JP13869181 U JP 13869181U JP S5847096 U JPS5847096 U JP S5847096U
Authority
JP
Japan
Prior art keywords
prevention device
observation window
contamination prevention
window contamination
optical path
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
Application number
JP13869181U
Other languages
Japanese (ja)
Inventor
酒井　重保
Original Assignee
日本電子株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 日本電子株式会社 filed Critical 日本電子株式会社
Priority to JP13869181U priority Critical patent/JPS5847096U/en
Publication of JPS5847096U publication Critical patent/JPS5847096U/en
Pending legal-status Critical Current

Links

Landscapes

  • Blast Furnaces (AREA)
  • Vertical, Hearth, Or Arc Furnaces (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案９一実施例の構成を示す断面図であり、
第２図はそのＡ−Ａ’断面図である。 １．３：フランジ、２：シリコンガラス、４，５：リン
グ状空気溜、６：通路、７：観察光路、８：吹き出し口
、１１：導入口。FIG. 1 is a cross-sectional view showing the configuration of a ninth embodiment of the present invention.
FIG. 2 is a sectional view taken along the line AA'. 1.3: flange, 2: silicon glass, 4, 5: ring-shaped air reservoir, 6: passage, 7: observation optical path, 8: air outlet, 11: introduction port.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 観察光路を囲む様に空気溜を配設し、該空気溜の内周に
該観察光路を囲む全周にわたって連続した吹き出し口を
設けたことを特徴とする観察窓の汚染防止装置。A contamination prevention device for an observation window, characterized in that an air reservoir is arranged to surround an observation optical path, and a continuous air outlet is provided on the inner periphery of the air reservoir over the entire circumference surrounding the observation optical path.
JP13869181U 1981-09-18 1981-09-18 Observation window contamination prevention device Pending JPS5847096U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13869181U JPS5847096U (en) 1981-09-18 1981-09-18 Observation window contamination prevention device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13869181U JPS5847096U (en) 1981-09-18 1981-09-18 Observation window contamination prevention device

Publications (1)

Publication Number Publication Date
JPS5847096U true JPS5847096U (en) 1983-03-30

Family

ID=29931907

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13869181U Pending JPS5847096U (en) 1981-09-18 1981-09-18 Observation window contamination prevention device

Country Status (1)

Country Link
JP (1) JPS5847096U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008032396A (en) * 2006-07-26 2008-02-14 Nippon Steel Corp Method of observing inner wall surface in high temperature furnace

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008032396A (en) * 2006-07-26 2008-02-14 Nippon Steel Corp Method of observing inner wall surface in high temperature furnace

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