GB1331210A - Clean air work station - Google Patents

Clean air work station

Info

Publication number
GB1331210A
GB1331210A GB3937572A GB3937572A GB1331210A GB 1331210 A GB1331210 A GB 1331210A GB 3937572 A GB3937572 A GB 3937572A GB 3937572 A GB3937572 A GB 3937572A GB 1331210 A GB1331210 A GB 1331210A
Authority
GB
United Kingdom
Prior art keywords
chamber
work
work surface
air
cabinet
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.)
Expired
Application number
GB3937572A
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1331210A publication Critical patent/GB1331210A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
    • F24F3/163—Clean air work stations, i.e. selected areas within a space which filtered air is passed

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Ventilation (AREA)
  • Devices For Use In Laboratory Experiments (AREA)

Abstract

1331210 Cabinets for industrial operations; ventilating INTERNATIONAL BUSINESS MACHINES CORP 24 Aug 1972 [22 Sept 1971] 39375/72 Headings F4V and F4X In a work cabinet which may be used for manufacturing precision articles such as integrated circuits, a work surface 38 in the form of a horizontal perforated plate is disposed above the bottom surface 18 of an open-fronted work chamber 12 whereby a horizontal laminar flow of clean air can be directed through the chamber 12 above and below the work surface to blanket the article 32 on the work surface and prevent a flow of contaminated room air into the chamber. The back wall of the work chamber 12 is a filter 20. Intake air entering the cabinet through an opening 28 is supplied to a plenum 22 behind the chamber 12 by means of a motor driven fan (24, Fig. 1, not shown), the air then passing through the filter 20 and horizontally above and below the work surface which is supported by spacers 40. In an alternative embodiment (see Fig. 5) the position of the work surface within the chamber may be altered through a support arrangement comprising rods (44) each having a plurality of spaced holes (46) into which spring loaded pins may be inserted.
GB3937572A 1971-09-22 1972-08-24 Clean air work station Expired GB1331210A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18260871A 1971-09-22 1971-09-22

Publications (1)

Publication Number Publication Date
GB1331210A true GB1331210A (en) 1973-09-26

Family

ID=22669222

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3937572A Expired GB1331210A (en) 1971-09-22 1972-08-24 Clean air work station

Country Status (4)

Country Link
JP (1) JPS4840253A (en)
DE (1) DE2243063A1 (en)
FR (1) FR2153249B1 (en)
GB (1) GB1331210A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2126710A (en) * 1982-08-27 1984-03-28 Hitachi Ltd Storage case to prevent dust contamination

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6014025A (en) * 1983-07-02 1985-01-24 Yoshiharu Harada Wall unit
DE3743864A1 (en) * 1987-12-23 1989-07-06 Praezisions Werkzeuge Ag METHOD FOR REDUCING ENVIRONMENTAL INFLUENCES ON THE POWDER COATING OF A WORKPIECE AND POWDER COATING SYSTEM
JPH0744877Y2 (en) * 1989-08-17 1995-10-11 臼井国際産業株式会社 Multiple winding bellows tube

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2126710A (en) * 1982-08-27 1984-03-28 Hitachi Ltd Storage case to prevent dust contamination

Also Published As

Publication number Publication date
JPS4840253A (en) 1973-06-13
FR2153249B1 (en) 1975-03-07
DE2243063A1 (en) 1973-03-29
FR2153249A1 (en) 1973-05-04

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee