JPS5574501A - Optical device - Google Patents

Optical device

Info

Publication number
JPS5574501A
JPS5574501A JP14815378A JP14815378A JPS5574501A JP S5574501 A JPS5574501 A JP S5574501A JP 14815378 A JP14815378 A JP 14815378A JP 14815378 A JP14815378 A JP 14815378A JP S5574501 A JPS5574501 A JP S5574501A
Authority
JP
Japan
Prior art keywords
oil
plunger
cell window
inside surface
notch part
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.)
Granted
Application number
JP14815378A
Other languages
Japanese (ja)
Other versions
JPS6212854B2 (en
Inventor
Hiroshi Yamashita
Seiichi Takatsu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denka Co Ltd
DKK Corp
Original Assignee
DKK Corp
Denki Kagaku Kogyo KK
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 DKK Corp, Denki Kagaku Kogyo KK filed Critical DKK Corp
Priority to JP14815378A priority Critical patent/JPS5574501A/en
Publication of JPS5574501A publication Critical patent/JPS5574501A/en
Publication of JPS6212854B2 publication Critical patent/JPS6212854B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Optical Measuring Cells (AREA)
  • Surface Treatment Of Optical Elements (AREA)

Abstract

PURPOSE: To prevent the sticking and propagation of microbes on cell window by forming the thin layer of the specific oil on the inside surface of the cell window.
CONSTITUTION: A plunger 5 which is composed of elastic material such as of Viton rubber, whose sectional face shape is square and has a notch part 6 at part of the lower half and which is so formed as to be vertically movable while the bottom end edge of the bent tongue form part 7 of the lower part is making light contact with the inside surface of the inside wall surface of a guide barrel 9 and a cell window 4 or maintaining a state slightly apart therefrom, is provided in the guide barrel 9 integral with the flow cell body 1 and a fluid feed pipe 10 is so provided that the bottom end part positions in the notch part 6 through the guide hole 11 provided to the plunger 5. If with this arrangement an oil such as silicone oil or grease which does not chemically react with sample liquid and prevents sticking of microbes such as bacteria is supplied within the notch part 6 through the fluid feed pipe 10 and the plunger 5 is vertically moved, the thin layer of the oil is formed on the inside surface of the cell window 4.
COPYRIGHT: (C)1980,JPO&Japio
JP14815378A 1978-11-30 1978-11-30 Optical device Granted JPS5574501A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14815378A JPS5574501A (en) 1978-11-30 1978-11-30 Optical device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14815378A JPS5574501A (en) 1978-11-30 1978-11-30 Optical device

Publications (2)

Publication Number Publication Date
JPS5574501A true JPS5574501A (en) 1980-06-05
JPS6212854B2 JPS6212854B2 (en) 1987-03-20

Family

ID=15446438

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14815378A Granted JPS5574501A (en) 1978-11-30 1978-11-30 Optical device

Country Status (1)

Country Link
JP (1) JPS5574501A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4521088A (en) * 1982-06-17 1985-06-04 Smiths Industries Public Limited Company Optical element having a catalytic coating to promote oxidation of optically-opaque substances
JPH06100542B2 (en) * 1985-10-11 1994-12-12 アンドロス・インコ−ポレ−テッド Gas analyzer

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0676883B2 (en) * 1988-05-18 1994-09-28 本田技研工業株式会社 Optical sensor device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4521088A (en) * 1982-06-17 1985-06-04 Smiths Industries Public Limited Company Optical element having a catalytic coating to promote oxidation of optically-opaque substances
JPH06100542B2 (en) * 1985-10-11 1994-12-12 アンドロス・インコ−ポレ−テッド Gas analyzer

Also Published As

Publication number Publication date
JPS6212854B2 (en) 1987-03-20

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