FR980540A - Improvements to methods and devices for maintaining a pressure or load between predetermined limits, especially for papermaking - Google Patents

Improvements to methods and devices for maintaining a pressure or load between predetermined limits, especially for papermaking

Info

Publication number
FR980540A
FR980540A FR980540DA FR980540A FR 980540 A FR980540 A FR 980540A FR 980540D A FR980540D A FR 980540DA FR 980540 A FR980540 A FR 980540A
Authority
FR
France
Prior art keywords
papermaking
maintaining
load
methods
devices
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
Other languages
French (fr)
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.)
Black Clawson Co
Original Assignee
Black Clawson Co
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 Black Clawson Co filed Critical Black Clawson Co
Application granted granted Critical
Publication of FR980540A publication Critical patent/FR980540A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
    • G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/0009—Regulating the freeness of the pulp

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
FR980540D 1948-02-12 1949-02-08 Improvements to methods and devices for maintaining a pressure or load between predetermined limits, especially for papermaking Expired FR980540A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US980540XA 1948-02-12 1948-02-12

Publications (1)

Publication Number Publication Date
FR980540A true FR980540A (en) 1951-05-15

Family

ID=22266629

Family Applications (1)

Application Number Title Priority Date Filing Date
FR980540D Expired FR980540A (en) 1948-02-12 1949-02-08 Improvements to methods and devices for maintaining a pressure or load between predetermined limits, especially for papermaking

Country Status (1)

Country Link
FR (1) FR980540A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2485766A1 (en) * 1980-04-03 1981-12-31 Asea Ab INSTALLATION FOR REGULATING THE FIBER CONCENTRATION OF A FIBER SUSPENSION

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2485766A1 (en) * 1980-04-03 1981-12-31 Asea Ab INSTALLATION FOR REGULATING THE FIBER CONCENTRATION OF A FIBER SUSPENSION

Similar Documents

Publication Publication Date Title
FR937612A (en) Improvements to processes and devices for obtaining lamellar materials
FR950588A (en) Improvements to devices allowing to achieve or interrupt communication between two speakers
FR1030612A (en) Improvements to processes and devices for papermaking
FR980540A (en) Improvements to methods and devices for maintaining a pressure or load between predetermined limits, especially for papermaking
GB656585A (en) Improvements relating to diaphragm valves
GB657324A (en) Improvements in diaphragm valves
GB653583A (en) Improvements relating to pneumatic pressure relief valves
GB655579A (en) An improved pressure reducing valve
GB657261A (en) Improvements in or relating to fluid pressure or vacuum regulating devices
FR979727A (en) Pressure logs
FR968576A (en) Pressure regulator
FR966712A (en) Improvements to safety devices for presses
FR57325E (en) Improvements to pneumatic valves
GB653416A (en) Screw-down diaphragm stop valve
CA446096A (en) Testing machine grip
CA448971A (en) Can stacking machine
AT170740B (en) Pressure regulating device
FR1042656A (en) Improvements to devices for the roll damping of aerodynes, in particular remote-controlled aerodynes
AU144758B2 (en) Improvements in and relating to traversing machines
CA453500A (en) Pressure responsive device
CA447123A (en) Sealed wet end for paper machines
FR947905A (en) Improvements to evacuation devices and papermaking machines
CA450974A (en) Textile operation
AU141281B2 (en) Anew and improved washing machine
CA448831A (en) Textile machine construction