IT1020752B - Procedimento ed apparecchio per con trollare la concentrazione di una soluzione liquida - Google Patents

Procedimento ed apparecchio per con trollare la concentrazione di una soluzione liquida

Info

Publication number
IT1020752B
IT1020752B IT69726/74A IT6972674A IT1020752B IT 1020752 B IT1020752 B IT 1020752B IT 69726/74 A IT69726/74 A IT 69726/74A IT 6972674 A IT6972674 A IT 6972674A IT 1020752 B IT1020752 B IT 1020752B
Authority
IT
Italy
Prior art keywords
checking
procedure
concentration
liquid solution
liquid
Prior art date
Application number
IT69726/74A
Other languages
English (en)
Original Assignee
Oce Van Der Grinten Nv
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 Oce Van Der Grinten Nv filed Critical Oce Van Der Grinten Nv
Application granted granted Critical
Publication of IT1020752B publication Critical patent/IT1020752B/it

Links

Classifications

    • 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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D11/00—Control of flow ratio
    • G05D11/02—Controlling ratio of two or more flows of fluid or fluent material
    • G05D11/13—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means
    • G05D11/135—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by sensing at least one property of the mixture
    • G05D11/137—Controlling ratio of two or more flows of fluid or fluent material characterised by the use of electric means by sensing at least one property of the mixture by sensing the density of the mixture
    • 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
    • Y10T137/2504—By specific gravity
    • 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
    • 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
    • Y10T137/7287—Liquid level responsive or maintaining systems
    • Y10T137/731—With control fluid connection at desired liquid level
IT69726/74A 1973-09-10 1974-09-09 Procedimento ed apparecchio per con trollare la concentrazione di una soluzione liquida IT1020752B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NLAANVRAGE7312422,A NL179316C (nl) 1973-09-10 1973-09-10 Concentratie-regelinrichting voor een vloeibare oplossing.

Publications (1)

Publication Number Publication Date
IT1020752B true IT1020752B (it) 1977-12-30

Family

ID=19819557

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69726/74A IT1020752B (it) 1973-09-10 1974-09-09 Procedimento ed apparecchio per con trollare la concentrazione di una soluzione liquida

Country Status (18)

Country Link
US (1) US4024885A (it)
JP (1) JPS5722101B2 (it)
AT (1) AT346693B (it)
BE (1) BE819736A (it)
BR (1) BR7407487D0 (it)
CH (1) CH579795A5 (it)
CS (1) CS184832B2 (it)
DE (1) DE2442041C2 (it)
DK (1) DK144319C (it)
ES (1) ES429890A1 (it)
FR (1) FR2243457B1 (it)
GB (1) GB1478703A (it)
IT (1) IT1020752B (it)
NL (1) NL179316C (it)
NO (1) NO137872C (it)
SE (1) SE395193B (it)
YU (1) YU39606B (it)
ZA (1) ZA745579B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS551573B2 (it) * 1974-01-28 1980-01-16
DE2750774A1 (de) * 1977-11-12 1979-05-17 Hoechst Ag Verfahren zur aufrechterhaltung der konzentration in einer fluessigen entwicklerloesung, insbesondere fuer ein nach dem halbfeuchtverfahren arbeitendes entwicklungsverfahren
US4312595A (en) * 1978-05-05 1982-01-26 Litton Industrial Products, Inc. Automatic fluid mixing system and a multi compartmented container therefore
JPS55111246U (it) * 1979-01-31 1980-08-05
US4468112A (en) * 1981-02-18 1984-08-28 Canon Kabushiki Kaisha Developer concentration controlling device
GB2177626B (en) * 1985-07-10 1989-12-28 Ricoh Kk Developing device for electrophotographic color copier
US4697228A (en) * 1986-09-15 1987-09-29 Mui Paul Y H Collapsible light wand
JP2670211B2 (ja) * 1992-07-10 1997-10-29 東京応化工業株式会社 現像液の調整方法
US5797057A (en) * 1996-03-25 1998-08-18 Noritsu Koki Co., Ltd. Method of water replenishment for an automatic developing apparatus and device therefor
US6355388B1 (en) * 1999-10-07 2002-03-12 Advanced Micro Devices, Inc. Method for controlling photoresist strip processes

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US871580A (en) * 1907-01-07 1907-11-19 Peter C Forrester Liquid-measuring apparatus.
US1719898A (en) * 1925-10-06 1929-07-09 Gen Electric Method of and apparatus for producing a fuel mixture of predetermined calorific value
US2100316A (en) * 1935-05-09 1937-11-30 Elmer E Harper Weight controlled feeding means
US2600937A (en) * 1949-04-01 1952-06-17 Edwin A Strattman Lever mounting means for flush tank sterilizing devices
US3117381A (en) * 1960-11-24 1964-01-14 Durkin Thomas Levelling instruments for measuring land levels and the like
US3195551A (en) * 1960-12-19 1965-07-20 Brogdex Co Method and apparatus for the measurement and control of acidity of solutions
US3241718A (en) * 1965-03-02 1966-03-22 Homer C Kemper Liquid dispenser

Also Published As

Publication number Publication date
NO137872B (no) 1978-01-30
DK144319C (da) 1982-07-05
SE7411356L (it) 1975-03-11
AT346693B (de) 1978-11-27
ES429890A1 (es) 1976-09-01
AU7274974A (en) 1976-03-04
DE2442041C2 (de) 1983-08-11
GB1478703A (en) 1977-07-06
US4024885A (en) 1977-05-24
NL179316B (nl) 1986-03-17
SE395193B (sv) 1977-08-01
CH579795A5 (it) 1976-09-15
DK474674A (it) 1975-05-12
FR2243457B1 (it) 1980-01-11
YU39606B (en) 1985-03-20
NO137872C (no) 1978-05-10
NO743215L (it) 1975-04-07
ATA724674A (de) 1978-03-15
JPS5084241A (it) 1975-07-08
DE2442041A1 (de) 1975-03-20
ZA745579B (en) 1975-11-26
FR2243457A1 (it) 1975-04-04
CS184832B2 (en) 1978-09-15
NL179316C (nl) 1986-08-18
YU244774A (en) 1982-05-31
JPS5722101B2 (it) 1982-05-11
BE819736A (nl) 1975-03-10
BR7407487D0 (pt) 1975-09-23
NL7312422A (nl) 1975-03-12
DK144319B (da) 1982-02-15

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