IT1114118B - Apparecchiatura per controllare il ph. - Google Patents

Apparecchiatura per controllare il ph.

Info

Publication number
IT1114118B
IT1114118B IT26984/77A IT2698477A IT1114118B IT 1114118 B IT1114118 B IT 1114118B IT 26984/77 A IT26984/77 A IT 26984/77A IT 2698477 A IT2698477 A IT 2698477A IT 1114118 B IT1114118 B IT 1114118B
Authority
IT
Italy
Prior art keywords
control
Prior art date
Application number
IT26984/77A
Other languages
English (en)
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Application granted granted Critical
Publication of IT1114118B publication Critical patent/IT1114118B/it

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D21/00—Control of chemical or physico-chemical variables, e.g. pH value
    • G05D21/02—Control of chemical or physico-chemical variables, e.g. pH value characterised by the use of electric means
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03D—APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS; ACCESSORIES THEREFOR
    • G03D3/00—Liquid processing apparatus involving immersion; Washing apparatus involving immersion
    • G03D3/02—Details of liquid circulation
    • G03D3/06—Liquid supply; Liquid circulation outside tanks
    • G03D3/065—Liquid supply; Liquid circulation outside tanks replenishment or recovery apparatus
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/2496—Self-proportioning or correlating systems
    • Y10T137/2499—Mixture condition maintaining or sensing
    • Y10T137/2509—By optical or chemical property

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Non-Electrical Variables (AREA)
  • ing And Chemical Polishing (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
  • Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
IT26984/77A 1976-09-02 1977-08-26 Apparecchiatura per controllare il ph. IT1114118B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/719,777 US4013039A (en) 1976-09-02 1976-09-02 Wet processing PH control

Publications (1)

Publication Number Publication Date
IT1114118B true IT1114118B (it) 1986-01-27

Family

ID=24891318

Family Applications (1)

Application Number Title Priority Date Filing Date
IT26984/77A IT1114118B (it) 1976-09-02 1977-08-26 Apparecchiatura per controllare il ph.

Country Status (7)

Country Link
US (1) US4013039A (it)
JP (1) JPS5943549B2 (it)
CA (1) CA1087711A (it)
DE (1) DE2738981C2 (it)
FR (1) FR2363828A1 (it)
GB (1) GB1530055A (it)
IT (1) IT1114118B (it)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50121798A (it) * 1974-03-14 1975-09-23
JPS5561003A (en) * 1978-10-31 1980-05-08 Seiko Epson Corp Manufacture of intermetallic compound magnet
JPS55162049A (en) * 1979-06-05 1980-12-17 Olympus Optical Co Ltd Specimen coating device
JPS5633934A (en) * 1979-08-29 1981-04-04 Matsushita Electric Ind Co Ltd Production of resin magnet
DE3301635A1 (de) * 1983-01-19 1984-07-26 Siemens AG, 1000 Berlin und 8000 München Herstellung von leitfaehigen kunststoffen
JPS6048884B2 (ja) * 1984-05-07 1985-10-30 セイコーエプソン株式会社 金属間化合物磁石の製造方法
FI80729C (fi) * 1988-04-07 1990-07-10 Vesa Hakulinen Foerfarande och anordning foer dosering av tvaettmedel.
EP0552511A1 (en) * 1992-01-20 1993-07-28 Agfa-Gevaert N.V. Method for controlling the PH of an ascorbic acid type developer
US5876359A (en) * 1994-11-14 1999-03-02 Bock; Malcolm G. Sequential compression device controller
US6298577B1 (en) 1999-07-19 2001-10-09 Concept Cleaning Systems, Inc. Device for enhancing removal of liquid from fabric
US6266892B1 (en) 1999-07-19 2001-07-31 Concept Cleaning Systems, Inc. Device for enhancing removal of liquid from fabric
US7185516B2 (en) * 2002-05-31 2007-03-06 Owens Corning Fiberglas Technology, Inc. Washwater neutralization system for glass forming line
US20080184520A1 (en) * 2006-09-14 2008-08-07 Wolfe Kevin A Self-propelled extraction systems and methods
US8510902B2 (en) 2007-12-03 2013-08-20 Dri-Eaz Products, Inc. Air induction hard surface cleaning tool with an internal baffle
USD684737S1 (en) 2011-08-31 2013-06-18 Dri-Eaz Products, Inc. Extractor housing
US9195238B2 (en) 2012-06-15 2015-11-24 Sapphire Scientific, Inc. Waste water vessels with multiple valved chambers, and associated systems and methods
US9351622B2 (en) 2012-09-04 2016-05-31 Sapphire Scientific Inc. Fluid extracting device with shaped head and associated systems and methods of use and manufacture
USD701661S1 (en) 2012-09-04 2014-03-25 Dri-Eaz Products, Inc. Extractor port housing
US10060641B2 (en) 2015-02-25 2018-08-28 Dri-Eaz Products, Inc. Systems and methods for drying roofs

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3368525A (en) * 1965-10-04 1968-02-13 American Photocopy Equip Co Liquid developer system for photocopy machine
US3452710A (en) * 1967-06-06 1969-07-01 Baker & Gubbins Co Liquid applicator system
GB1245102A (en) * 1968-02-15 1971-09-08 Norma Craik Harper Automatic control of chemical concentration
US3554212A (en) * 1968-06-19 1971-01-12 Ritter Pfaudler Corp Chemical feed controller
US3677222A (en) * 1969-02-24 1972-07-18 Canon Kk Device for automatically regulating the concentration of developing solution

Also Published As

Publication number Publication date
GB1530055A (en) 1978-10-25
FR2363828B1 (it) 1980-01-04
JPS5334640A (en) 1978-03-31
DE2738981A1 (de) 1978-03-09
FR2363828A1 (fr) 1978-03-31
JPS5943549B2 (ja) 1984-10-23
US4013039A (en) 1977-03-22
DE2738981C2 (de) 1983-12-22
CA1087711A (en) 1980-10-14

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