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JPS5539212A - Desk type draft - Google Patents

Desk type draft

Info

Publication number
JPS5539212A
JPS5539212A JP11090378A JP11090378A JPS5539212A JP S5539212 A JPS5539212 A JP S5539212A JP 11090378 A JP11090378 A JP 11090378A JP 11090378 A JP11090378 A JP 11090378A JP S5539212 A JPS5539212 A JP S5539212A
Authority
JP
Japan
Prior art keywords
unit
harmful substance
opening
fan
concentration
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
JP11090378A
Other languages
Japanese (ja)
Inventor
Seisaku Oki
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.)
ONO GIJUTSU KENKYUSHO KK
ONO GIJUTSU KENKYUSHO YUUGEN
Original Assignee
ONO GIJUTSU KENKYUSHO KK
ONO GIJUTSU KENKYUSHO YUUGEN
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 ONO GIJUTSU KENKYUSHO KK, ONO GIJUTSU KENKYUSHO YUUGEN filed Critical ONO GIJUTSU KENKYUSHO KK
Priority to JP11090378A priority Critical patent/JPS5539212A/en
Publication of JPS5539212A publication Critical patent/JPS5539212A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
    • B08B15/023—Fume cabinets or cupboards, e.g. for laboratories

Landscapes

  • Filtering Of Dispersed Particles In Gases (AREA)
  • Prevention Of Fouling (AREA)
  • Separation Of Gases By Adsorption (AREA)

Abstract

PURPOSE: To safely and surely remove the harmful substance with a compact mechanism, by connecting treating unit composed of the filter, adsorbent, fan and gas detector with the hood unit detachably and also, providing the alarm mechanism.
CONSTITUTION: The connecting member 4 is connected with the longhole-shaped air suction opening 2 of the treating unit 1 and is fixed with the thumb screw and then, the unit 1 is connected with the hood unit 8 by connecting the opening 2 by stretching the hose 3. Also, the unit 8 is placed on the unit 1. Air containing harmful substance is introduced into the opening 2 from the unit 8 and is discharged in the room by the fan after the harmful substance is removed by the dust removing filter and active carbon. Concentration of the harmful gas in discharged air is measured by the gas detector always and alarm is given by the buzzer and lamp when the concentration of more than set up value is detected. Hereby, exchange of active carbon etc., is carried out.
COPYRIGHT: (C)1980,JPO&Japio
JP11090378A 1978-09-09 1978-09-09 Desk type draft Pending JPS5539212A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11090378A JPS5539212A (en) 1978-09-09 1978-09-09 Desk type draft

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11090378A JPS5539212A (en) 1978-09-09 1978-09-09 Desk type draft

Publications (1)

Publication Number Publication Date
JPS5539212A true JPS5539212A (en) 1980-03-19

Family

ID=14547582

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11090378A Pending JPS5539212A (en) 1978-09-09 1978-09-09 Desk type draft

Country Status (1)

Country Link
JP (1) JPS5539212A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5685895A (en) * 1994-08-10 1997-11-11 Nikon Corporation Air cleaning apparatus used for an exposure apparatus

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5360875A (en) * 1976-11-12 1978-05-31 Ono Gijiyutsu Kenkiyuushiyo Yu Display installed draft

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5360875A (en) * 1976-11-12 1978-05-31 Ono Gijiyutsu Kenkiyuushiyo Yu Display installed draft

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5685895A (en) * 1994-08-10 1997-11-11 Nikon Corporation Air cleaning apparatus used for an exposure apparatus

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