GB1166293A - Apparatus and Method for Controlling Magnetism. - Google Patents

Apparatus and Method for Controlling Magnetism.

Info

Publication number
GB1166293A
GB1166293A GB50967/66A GB5096766A GB1166293A GB 1166293 A GB1166293 A GB 1166293A GB 50967/66 A GB50967/66 A GB 50967/66A GB 5096766 A GB5096766 A GB 5096766A GB 1166293 A GB1166293 A GB 1166293A
Authority
GB
United Kingdom
Prior art keywords
chuck
current
winding
feed
magnetization
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
GB50967/66A
Other languages
English (en)
Inventor
Arthur Kenneth Littwin
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1166293A publication Critical patent/GB1166293A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/15—Devices for holding work using magnetic or electric force acting directly on the work

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)
GB50967/66A 1965-12-20 1966-11-14 Apparatus and Method for Controlling Magnetism. Expired GB1166293A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US515037A US3401313A (en) 1965-12-20 1965-12-20 Apparatus and method for controlling magnetism

Publications (1)

Publication Number Publication Date
GB1166293A true GB1166293A (en) 1969-10-08

Family

ID=24049736

Family Applications (1)

Application Number Title Priority Date Filing Date
GB50967/66A Expired GB1166293A (en) 1965-12-20 1966-11-14 Apparatus and Method for Controlling Magnetism.

Country Status (3)

Country Link
US (1) US3401313A (US07534539-20090519-C00280.png)
GB (1) GB1166293A (US07534539-20090519-C00280.png)
LU (1) LU52613A1 (US07534539-20090519-C00280.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2143384A (en) * 1983-05-26 1985-02-06 Electro Matic Prod Co Apparatus for de-magnetizing a chuck
GB2153169A (en) * 1984-01-17 1985-08-14 Electro Matic Prod Co Demagnetizing an electromagnetic chuck

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3532940A (en) * 1966-12-30 1970-10-06 Magnaflux Corp Demagnetization control system
US3510675A (en) * 1967-12-08 1970-05-05 Rca Corp Linear flux control circuit
US3619729A (en) * 1969-04-14 1971-11-09 Littwin Family Trust No Solid-state electric circuit for reversing polarity
US4306269A (en) * 1979-12-07 1981-12-15 Semi-Controls, Inc. Magnetic chuck control system
US4633361A (en) * 1984-10-01 1986-12-30 Walker Magnetics Group, Inc. Chuck control for a workpiece holding electromagnet
US4843516A (en) * 1987-09-21 1989-06-27 Electro-Matic Products Co. Demagnetizing apparatus and method
US4771358A (en) * 1987-11-09 1988-09-13 Walker Magnetics Group, Inc. Magnetic chuck controller

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2229104A (en) * 1938-05-25 1941-01-21 Leo F Littwin Demagnetizer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2143384A (en) * 1983-05-26 1985-02-06 Electro Matic Prod Co Apparatus for de-magnetizing a chuck
GB2153169A (en) * 1984-01-17 1985-08-14 Electro Matic Prod Co Demagnetizing an electromagnetic chuck

Also Published As

Publication number Publication date
US3401313A (en) 1968-09-10
LU52613A1 (US07534539-20090519-C00280.png) 1967-02-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE Patent expired