DE3684319D1 - Magnetkerne und verfahren zur herstellung derselben. - Google Patents

Magnetkerne und verfahren zur herstellung derselben.

Info

Publication number
DE3684319D1
DE3684319D1 DE8686850434T DE3684319T DE3684319D1 DE 3684319 D1 DE3684319 D1 DE 3684319D1 DE 8686850434 T DE8686850434 T DE 8686850434T DE 3684319 T DE3684319 T DE 3684319T DE 3684319 D1 DE3684319 D1 DE 3684319D1
Authority
DE
Germany
Prior art keywords
convolutions
magnetic cores
producing
same
preforms
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 - Lifetime
Application number
DE8686850434T
Other languages
English (en)
Inventor
Erick O Schonstedt
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.)
Schonstedt Instrument Co LLC
Original Assignee
Schonstedt Instrument Co LLC
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 Schonstedt Instrument Co LLC filed Critical Schonstedt Instrument Co LLC
Application granted granted Critical
Publication of DE3684319D1 publication Critical patent/DE3684319D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H01F41/0213—Manufacturing of magnetic circuits made from strip(s) or ribbon(s)
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/4902—Electromagnet, transformer or inductor
    • Y10T29/49071—Electromagnet, transformer or inductor by winding or coiling

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Coils Or Transformers For Communication (AREA)
  • Manufacturing Cores, Coils, And Magnets (AREA)
  • Microwave Tubes (AREA)
  • Soft Magnetic Materials (AREA)
  • Measuring Magnetic Variables (AREA)
DE8686850434T 1986-08-01 1986-12-12 Magnetkerne und verfahren zur herstellung derselben. Expired - Lifetime DE3684319D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/891,995 US4803773A (en) 1986-08-01 1986-08-01 Method of making magnetic cores

Publications (1)

Publication Number Publication Date
DE3684319D1 true DE3684319D1 (de) 1992-04-16

Family

ID=25399187

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686850434T Expired - Lifetime DE3684319D1 (de) 1986-08-01 1986-12-12 Magnetkerne und verfahren zur herstellung derselben.

Country Status (6)

Country Link
US (1) US4803773A (de)
EP (1) EP0254792B1 (de)
JP (1) JPS6338189A (de)
AT (1) ATE73573T1 (de)
CA (1) CA1260091A (de)
DE (1) DE3684319D1 (de)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5173139A (en) * 1989-03-15 1992-12-22 Schonstedt Instrument Company Method for providing magnetic markers on elongated hidden objects
US5206065A (en) * 1989-03-15 1993-04-27 Schonstedt Instrument Company Methods, apparatus and devices relating to magnetic markers for elongated hidden objects
US5114517A (en) * 1989-10-30 1992-05-19 Schonstedt Instrument Company Methods, apparatus and devices relating to magnetic markers for elongated hidden objects
US5239290A (en) * 1992-03-25 1993-08-24 Schonstedt Instrument Company Magnetic cores for saturable core measuring devices and methods of manufacturing such cores
US8674021B2 (en) * 2006-07-21 2014-03-18 Akzo Nobel N.V. Sulfonated graft copolymers
US20100272885A1 (en) * 2006-08-16 2010-10-28 SeekTech, Inc., a California corporation Marking Paint Applicator for Portable Locator
US8700325B2 (en) * 2007-03-13 2014-04-15 Certusview Technologies, Llc Marking apparatus and methods for creating an electronic record of marking operations
US7640105B2 (en) 2007-03-13 2009-12-29 Certus View Technologies, LLC Marking system and method with location and/or time tracking
US8060304B2 (en) * 2007-04-04 2011-11-15 Certusview Technologies, Llc Marking system and method
US8473209B2 (en) 2007-03-13 2013-06-25 Certusview Technologies, Llc Marking apparatus and marking methods using marking dispenser with machine-readable ID mechanism
US8280631B2 (en) * 2008-10-02 2012-10-02 Certusview Technologies, Llc Methods and apparatus for generating an electronic record of a marking operation based on marking device actuations
US8965700B2 (en) * 2008-10-02 2015-02-24 Certusview Technologies, Llc Methods and apparatus for generating an electronic record of environmental landmarks based on marking device actuations
US8442766B2 (en) * 2008-10-02 2013-05-14 Certusview Technologies, Llc Marking apparatus having enhanced features for underground facility marking operations, and associated methods and systems
GB2496816B (en) * 2008-10-02 2013-07-10 Certusview Technologies Llc Methods and apparatus for generating electronic records of locate operations
CA2691780C (en) * 2009-02-11 2015-09-22 Certusview Technologies, Llc Management system, and associated methods and apparatus, for providing automatic assesment of a locate operation
CA2710269C (en) * 2009-08-11 2012-05-22 Certusview Technologies, Llc Locating equipment communicatively coupled to or equipped with a mobile/portable device
WO2011022102A1 (en) * 2009-08-20 2011-02-24 Certusview Technologies, Llc Methods and marking devices with mechanisms for indicating and/or detecting marking material color
CA2713282C (en) * 2009-08-20 2013-03-19 Certusview Technologies, Llc Marking device with transmitter for triangulating location during marking operations
CA2710189C (en) * 2009-08-20 2012-05-08 Certusview Technologies, Llc Methods and apparatus for assessing marking operations based on acceleration information
USD634655S1 (en) 2010-03-01 2011-03-22 Certusview Technologies, Llc Handle of a marking device
USD643321S1 (en) 2010-03-01 2011-08-16 Certusview Technologies, Llc Marking device
USD634656S1 (en) 2010-03-01 2011-03-22 Certusview Technologies, Llc Shaft of a marking device
USD634657S1 (en) 2010-03-01 2011-03-22 Certusview Technologies, Llc Paint holder of a marking device
USD684067S1 (en) 2012-02-15 2013-06-11 Certusview Technologies, Llc Modular marking device
JP6281677B2 (ja) * 2013-03-08 2018-02-21 国立大学法人名古屋大学 磁気計測装置
US10105723B1 (en) 2016-06-14 2018-10-23 SeeScan, Inc. Trackable dipole devices, methods, and systems for use with marking paint sticks

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1720943A (en) * 1927-07-02 1929-07-16 Lincoln Electric Co Electromagnetic device
US2314912A (en) * 1939-05-25 1943-03-30 Gen Electric Stationary induction apparatus
US2498674A (en) * 1946-06-11 1950-02-28 Erwin W Graham Method of winding electrical resistance wire strain gauges
US2561250A (en) * 1949-09-23 1951-07-17 Gen Electric Magnetic core
US2916696A (en) * 1955-12-05 1959-12-08 Erick O Schonstedt Saturable measuring device and magnetic core therefor
US2974401A (en) * 1956-06-01 1961-03-14 Mcgraw Electric Co Three-phase core for electrical transformers and method of manufacturing the same
US2981885A (en) * 1958-07-21 1961-04-25 Erick O Schonstedt Saturable measuring device and magnetic core therefor
US3168696A (en) * 1962-06-26 1965-02-02 Erick O Schonstedt Magnetic flux directing cylindrical core having a plurality of serially arranged interruptions
US3399365A (en) * 1964-11-24 1968-08-27 Vadim Subovici Wound magnetic core having staggered strips
US3321822A (en) * 1965-06-01 1967-05-30 Allis Chalmers Mfg Co Wound core method
DE1562078B1 (de) * 1967-01-19 1970-06-18 Osaka Onkyo Kabushiki Kaisha Schwingspule
GB1505079A (en) * 1974-08-22 1978-03-22 Expert Ind Controls Ltd Method and apparatus for forming a laminated core for an electromagnetic device
US4012706A (en) * 1975-12-08 1977-03-15 General Electric Company Sheet-wound transformer coils
IT1074086B (it) * 1976-12-17 1985-04-17 Sits Soc It Telecom Siemens Bobina ad elica per sistemi di telecomunicazioni
DE3137391A1 (de) * 1981-09-19 1983-04-07 Robert Bosch Gmbh, 7000 Stuttgart Verfahren zur herstellung geblechter kerne

Also Published As

Publication number Publication date
EP0254792A1 (de) 1988-02-03
JPS6338189A (ja) 1988-02-18
EP0254792B1 (de) 1992-03-11
ATE73573T1 (de) 1992-03-15
US4803773A (en) 1989-02-14
CA1260091A (en) 1989-09-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee