FR1222508A - Appareillage de commande à double stabilité pour laminoirs - Google Patents

Appareillage de commande à double stabilité pour laminoirs

Info

Publication number
FR1222508A
FR1222508A FR780701A FR780701A FR1222508A FR 1222508 A FR1222508 A FR 1222508A FR 780701 A FR780701 A FR 780701A FR 780701 A FR780701 A FR 780701A FR 1222508 A FR1222508 A FR 1222508A
Authority
FR
France
Prior art keywords
control gear
stability control
rolling mills
double stability
double
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
FR780701A
Other languages
English (en)
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.)
CBS Corp
Original Assignee
Westinghouse Electric 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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Application granted granted Critical
Publication of FR1222508A publication Critical patent/FR1222508A/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/26—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electronic Switches (AREA)
FR780701A 1957-12-04 1958-12-03 Appareillage de commande à double stabilité pour laminoirs Expired FR1222508A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US700680A US2994784A (en) 1957-12-04 1957-12-04 Bistable control apparatus

Publications (1)

Publication Number Publication Date
FR1222508A true FR1222508A (fr) 1960-06-10

Family

ID=24814472

Family Applications (1)

Application Number Title Priority Date Filing Date
FR780701A Expired FR1222508A (fr) 1957-12-04 1958-12-03 Appareillage de commande à double stabilité pour laminoirs

Country Status (3)

Country Link
US (1) US2994784A (fr)
DE (1) DE1085917B (fr)
FR (1) FR1222508A (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3112430A (en) * 1959-07-08 1963-11-26 Philips Corp Signalling receiver
DE1127399B (de) * 1959-12-30 1962-04-12 Siemens Ag UEber eine Diode bzw. ein Diodengatter gekoppelte Schalttransistoren
US3162790A (en) * 1960-03-10 1964-12-22 Wakamatsu Hisato Transistor relay circuit
US3151281A (en) * 1960-07-01 1964-09-29 Honeywell Inc Semiconductor apparatus
DE1237671B (de) * 1960-07-20 1967-03-30 Westinghouse Electric Corp Drehzahlsteuereinrichtung fuer einen fremderregten Gleichstrommotor, insbesondere inLeonardschaltung
US3165707A (en) * 1960-12-27 1965-01-12 Ibm Zener diode noise generator with feedback for threshold maintenance
DE1136373B (de) * 1961-01-04 1962-09-13 Standard Elektrik Lorenz Ag Schaltungsanordnung zur Steuerung eines Relais in einer Kippanordnung
FR1317800A (fr) * 1961-03-18 1963-05-08
NL276615A (fr) * 1961-03-30 1900-01-01
GB1020631A (en) * 1961-12-13 1966-02-23 Davy & United Eng Co Ltd Control apparatus and method
US3163779A (en) * 1962-06-21 1964-12-29 Ibm Pulse divider employing threshold device triggered by coincidence of tryout pulses and synchronized rc-delayed pulses
US3185851A (en) * 1962-06-29 1965-05-25 Brewer Pharmacal Engineering C Photocell controlled anti-ejection circuit for an article handling apparatus
US3234337A (en) * 1962-07-20 1966-02-08 Bell Telephone Labor Inc Aid for blind switchboard attendant
US3333108A (en) * 1963-03-29 1967-07-25 Halliburton Co Electronic keyer including noise and bias control means
US3402303A (en) * 1964-08-17 1968-09-17 Rca Corp Level sensitive switching circuit utilizing a zener diode for determining switching points and switching sensitivity
US3598160A (en) * 1968-04-30 1971-08-10 Ball Corp Pour control system
JPS4823460B1 (fr) * 1968-11-18 1973-07-13
US3628032A (en) * 1969-07-01 1971-12-14 Stewarts & Lloyds Ltd Apparatus for detecting objects

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL83212C (fr) *
US2002374A (en) * 1930-03-31 1935-05-21 Gen Electric Control system
US2493785A (en) * 1947-10-11 1950-01-10 Ohio Crankshaft Co Article heating and delivery apparatus
US2551650A (en) * 1949-02-11 1951-05-08 Eastman Kodak Co Measurement of temperature distribution on the surface of solid bodies
US2753464A (en) * 1950-08-11 1956-07-03 Republic Steel Corp Method and apparatus for inspecting tinplate
US2655609A (en) * 1952-07-22 1953-10-13 Bell Telephone Labor Inc Bistable circuits, including transistors
US2751545A (en) * 1953-03-10 1956-06-19 Bell Telephone Labor Inc Transistor circuits
US2920214A (en) * 1954-03-11 1960-01-05 Honeywell Regulator Co Condition responsive relay means
GB781222A (en) * 1954-06-29 1957-08-14 Western Electric Co Improvements in electric pulse circuits utilising transistors
BE546329A (fr) * 1955-04-20
FR1138405A (fr) * 1955-05-11 1957-06-13 United States Steel Corp Appareil et procédé pour classer des tôles suivant leur longueur
NL112664C (fr) * 1955-09-07
US2922148A (en) * 1957-09-23 1960-01-19 Nathan W Feldman Transistorized relay

Also Published As

Publication number Publication date
DE1085917B (de) 1960-07-28
US2994784A (en) 1961-08-01

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