DE3068319D1 - Method for forming laminations for transformer cores - Google Patents

Method for forming laminations for transformer cores

Info

Publication number
DE3068319D1
DE3068319D1 DE8080303829T DE3068319T DE3068319D1 DE 3068319 D1 DE3068319 D1 DE 3068319D1 DE 8080303829 T DE8080303829 T DE 8080303829T DE 3068319 T DE3068319 T DE 3068319T DE 3068319 D1 DE3068319 D1 DE 3068319D1
Authority
DE
Germany
Prior art keywords
transformer cores
forming laminations
laminations
forming
cores
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
DE8080303829T
Other languages
German (de)
Inventor
Christoph Rossman
Sidney Hirst
William George French
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.)
Linton and Hirst Ltd
Original Assignee
Linton and Hirst Ltd
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 Linton and Hirst Ltd filed Critical Linton and Hirst Ltd
Application granted granted Critical
Publication of DE3068319D1 publication Critical patent/DE3068319D1/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
    • H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
    • H01F41/0206—Manufacturing of magnetic cores by mechanical means
    • H01F41/0233—Manufacturing of magnetic circuits made from sheets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/24—Magnetic cores
    • H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented
DE8080303829T 1979-11-02 1980-10-28 Method for forming laminations for transformer cores Expired DE3068319D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB7938069 1979-11-02

Publications (1)

Publication Number Publication Date
DE3068319D1 true DE3068319D1 (en) 1984-07-26

Family

ID=10508947

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8080303829T Expired DE3068319D1 (en) 1979-11-02 1980-10-28 Method for forming laminations for transformer cores

Country Status (2)

Country Link
EP (1) EP0028494B1 (en)
DE (1) DE3068319D1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8404231L (en) * 1984-08-24 1986-02-25 Kanthal Ab SET TO MAKE SLEEPING METAL FILM ELEMENTS
GB2222030B (en) * 1988-07-27 1993-04-28 Linton & Hirst Ltd Improvements in laminations
GB2221354B (en) * 1988-07-27 1993-05-12 Linton & Hirst Ltd Improvements in laminations
GB2226459B (en) * 1988-12-23 1993-10-20 Linton & Hirst Ltd Packs of laminations and method and apparatus for forming them
ES2157832B1 (en) * 1999-09-24 2002-02-16 Ventura Ind PROCEDURE FOR THE PUNCHING OF CONSTITUTIVE LAYERS OF MAGNETIC NUCLEES.

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1345786A (en) * 1915-10-14 1920-07-06 Gen Electric Art of making cores for electrical apparatus
US3201731A (en) * 1962-11-27 1965-08-17 Electro Netic Steel Inc Transformer core and lamination therefor
US3181402A (en) * 1963-04-03 1965-05-04 David J Kuck Method of forming f-shaped and l-shaped laminations for shell-type core
US3491437A (en) * 1968-05-06 1970-01-27 Allegheny Ludlum Steel Scrapless method of stamping e laminations
DE1929566A1 (en) * 1968-06-27 1970-06-18 Idec Izumi Corp Transformer core and process for its manufacture
US3587020A (en) * 1969-07-01 1971-06-22 Waasner B Two-part core sheet for transformers
AT311485B (en) * 1969-12-09 1973-11-26 Zumtobel Walter Transformer or induction coil with iron core
GB1345523A (en) * 1970-09-10 1974-01-30 Friedland Ltd V E Doggart J Sk Transformer laminations
DE2106900A1 (en) * 1971-02-13 1972-08-24 Siemens Ag Electric choke coil for operating gas discharge lamps
FR2202348A1 (en) * 1972-10-10 1974-05-03 Huyghe Ets
GB1543567A (en) * 1976-04-02 1979-04-04 Linton & Hirst Ltd Manufacture of laminations
IE45707B1 (en) * 1976-10-11 1982-11-03 Beresford Clair Joseph Magnetic core and method of forming the same

Also Published As

Publication number Publication date
EP0028494A1 (en) 1981-05-13
EP0028494B1 (en) 1984-06-20

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee