GB2221354B - Improvements in laminations - Google Patents

Improvements in laminations

Info

Publication number
GB2221354B
GB2221354B GB8817875A GB8817875A GB2221354B GB 2221354 B GB2221354 B GB 2221354B GB 8817875 A GB8817875 A GB 8817875A GB 8817875 A GB8817875 A GB 8817875A GB 2221354 B GB2221354 B GB 2221354B
Authority
GB
United Kingdom
Prior art keywords
laminations
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 - Fee Related
Application number
GB8817875A
Other versions
GB8817875D0 (en
GB2221354A (en
Inventor
George William Marriott
Trevor Hirst
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
Priority to GB8817875A priority Critical patent/GB2221354B/en
Publication of GB8817875D0 publication Critical patent/GB8817875D0/en
Priority to GB888830408A priority patent/GB8830408D0/en
Priority to GB8917025A priority patent/GB2222030B/en
Priority to ES89307559T priority patent/ES2079380T3/en
Priority to DE68924566T priority patent/DE68924566T2/en
Priority to EP89307559A priority patent/EP0353029B1/en
Priority to AT89307559T priority patent/ATE129357T1/en
Priority to US07/385,853 priority patent/US5047745A/en
Priority to KR1019890010663A priority patent/KR900002362A/en
Priority to JP1196468A priority patent/JPH02154401A/en
Publication of GB2221354A publication Critical patent/GB2221354A/en
Application granted granted Critical
Publication of GB2221354B publication Critical patent/GB2221354B/en
Priority to GR960400105T priority patent/GR3018704T3/en
Priority to HK11296A priority patent/HK11296A/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • 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
GB8817875A 1988-07-27 1988-07-27 Improvements in laminations Expired - Fee Related GB2221354B (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
GB8817875A GB2221354B (en) 1988-07-27 1988-07-27 Improvements in laminations
GB888830408A GB8830408D0 (en) 1988-07-27 1988-12-30 Improvements in laminations
AT89307559T ATE129357T1 (en) 1988-07-27 1989-07-25 SHEET SHEET SLAMS.
ES89307559T ES2079380T3 (en) 1988-07-27 1989-07-25 IMPROVEMENTS IN MAGNETIC SHEETS.
DE68924566T DE68924566T2 (en) 1988-07-27 1989-07-25 Sheet metal fins.
EP89307559A EP0353029B1 (en) 1988-07-27 1989-07-25 Improvements in laminations
GB8917025A GB2222030B (en) 1988-07-27 1989-07-25 Improvements in laminations
US07/385,853 US5047745A (en) 1988-07-27 1989-07-26 Laminations
JP1196468A JPH02154401A (en) 1988-07-27 1989-07-27 Lamination for electromagnetic device
KR1019890010663A KR900002362A (en) 1988-07-27 1989-07-27 Improved Laminate Assembly for Electromagnetic Devices
GR960400105T GR3018704T3 (en) 1988-07-27 1996-01-17 Improvements in laminations.
HK11296A HK11296A (en) 1988-07-27 1996-01-18 Improvements in laminations

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8817875A GB2221354B (en) 1988-07-27 1988-07-27 Improvements in laminations

Publications (3)

Publication Number Publication Date
GB8817875D0 GB8817875D0 (en) 1988-09-01
GB2221354A GB2221354A (en) 1990-01-31
GB2221354B true GB2221354B (en) 1993-05-12

Family

ID=10641190

Family Applications (2)

Application Number Title Priority Date Filing Date
GB8817875A Expired - Fee Related GB2221354B (en) 1988-07-27 1988-07-27 Improvements in laminations
GB888830408A Pending GB8830408D0 (en) 1988-07-27 1988-12-30 Improvements in laminations

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB888830408A Pending GB8830408D0 (en) 1988-07-27 1988-12-30 Improvements in laminations

Country Status (3)

Country Link
KR (1) KR900002362A (en)
GB (2) GB2221354B (en)
HK (1) HK11296A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2266413A (en) * 1992-04-11 1993-10-27 Johnson Electric Sa Stator construction for a two field coil dynamo electric machine.
DE10032331C1 (en) * 2000-07-04 2001-09-13 Bosch Gmbh Robert The mechanical coupling bond between the ends of two tubular workpieces has a swallowtail contour at their ends for one to be pushed into the other and the outer bent edge is forced back inwards
EP1475665B1 (en) * 2003-04-07 2009-12-30 Toray Industries, Inc. Positive-type photosensitive resin composition

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1249564A (en) * 1968-03-04 1971-10-13 Waasner B Two-part core sheet for transformers
GB2019104A (en) * 1978-04-14 1979-10-24 Philips Nv Choke coil
EP0028494A1 (en) * 1979-11-02 1981-05-13 Linton And Hirst Limited Method for forming laminations for transformer cores

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1249564A (en) * 1968-03-04 1971-10-13 Waasner B Two-part core sheet for transformers
GB2019104A (en) * 1978-04-14 1979-10-24 Philips Nv Choke coil
EP0028494A1 (en) * 1979-11-02 1981-05-13 Linton And Hirst Limited Method for forming laminations for transformer cores

Also Published As

Publication number Publication date
GB8817875D0 (en) 1988-09-01
HK11296A (en) 1996-01-26
GB2221354A (en) 1990-01-31
KR900002362A (en) 1990-02-28
GB8830408D0 (en) 1989-03-01

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Legal Events

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

Effective date: 20030727