GB2029985B - Electrical control circuits - Google Patents

Electrical control circuits

Info

Publication number
GB2029985B
GB2029985B GB7925828A GB7925828A GB2029985B GB 2029985 B GB2029985 B GB 2029985B GB 7925828 A GB7925828 A GB 7925828A GB 7925828 A GB7925828 A GB 7925828A GB 2029985 B GB2029985 B GB 2029985B
Authority
GB
United Kingdom
Prior art keywords
electrical control
control circuits
circuits
electrical
control
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
GB7925828A
Other versions
GB2029985A (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.)
Wean United Inc
Original Assignee
Wean United Inc
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 Wean United Inc filed Critical Wean United Inc
Publication of GB2029985A publication Critical patent/GB2029985A/en
Application granted granted Critical
Publication of GB2029985B publication Critical patent/GB2029985B/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B21/00—Systems involving sampling of the variable controlled
    • G05B21/02—Systems involving sampling of the variable controlled electric
    • 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
    • B21B37/58—Roll-force control; Roll-gap control
    • B21B37/64—Mill spring or roll spring compensation systems, e.g. control of prestressed mill stands

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Feedback Control In General (AREA)
GB7925828A 1978-09-14 1979-07-24 Electrical control circuits Expired GB2029985B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US94241878A 1978-09-14 1978-09-14

Publications (2)

Publication Number Publication Date
GB2029985A GB2029985A (en) 1980-03-26
GB2029985B true GB2029985B (en) 1982-12-22

Family

ID=25478039

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7925828A Expired GB2029985B (en) 1978-09-14 1979-07-24 Electrical control circuits

Country Status (5)

Country Link
DE (1) DE2931251A1 (en)
FR (1) FR2436431A1 (en)
GB (1) GB2029985B (en)
IT (1) IT1117444B (en)
MX (1) MX146882A (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB908921A (en) * 1961-01-19 1962-10-24 Licentia Gmbh Improvements relating to speed control arrangements for multiple motor drives
FR2265465A1 (en) * 1974-03-27 1975-10-24 Secim Two-high rolling mill for wire or profiles - where stands can be lifted off base for rapid roll change

Also Published As

Publication number Publication date
IT1117444B (en) 1986-02-17
GB2029985A (en) 1980-03-26
IT7949976A0 (en) 1979-08-07
FR2436431A1 (en) 1980-04-11
DE2931251A1 (en) 1980-03-27
FR2436431B1 (en) 1983-04-22
MX146882A (en) 1982-08-31

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Legal Events

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