CA999336A - Permanent magnet devices - Google Patents

Permanent magnet devices

Info

Publication number: CA999336A
Authority: CA; Canada
Prior art keywords: permanent magnet; magnet devices; devices; permanent; magnet
Prior art date: 1972-02-02
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

CA162,698A

Other versions

CA162698S (en

Inventor

Alun Edwards

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.)

James Neill Holdings Ltd

Original Assignee

James Neill Holdings 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.)

1972-02-02

Filing date

1973-02-01

Publication date

1976-11-02

1973-02-01 Application filed by James Neill Holdings Ltd filed Critical James Neill Holdings Ltd

1976-11-02 Application granted granted Critical

1976-11-02 Publication of CA999336A publication Critical patent/CA999336A/en

Status Expired legal-status Critical Current

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
- B23Q3/154—Stationary devices
- B23Q3/1546—Stationary devices using permanent magnets

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Load-Engaging Elements For Cranes (AREA)
Jigs For Machine Tools (AREA)
Magnetic Brush Developing In Electrophotography (AREA)
Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

CA162,698A 1972-02-02 1973-02-01 Permanent magnet devices Expired CA999336A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB478472A GB1401802A (en)	1972-02-02	1972-02-02	Permanent magnet devices

Publications (1)

Publication Number	Publication Date
CA999336A true CA999336A (en)	1976-11-02

Family

ID=9783756

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA162,698A Expired CA999336A (en)	1972-02-02	1973-02-01	Permanent magnet devices

Country Status (11)

Country	Link
US (1)	US3818399A (en)
JP (1)	JPS4891679A (en)
AU (1)	AU471516B2 (en)
BE (1)	BE794846A (en)
CA (1)	CA999336A (en)
CH (1)	CH584961A5 (en)
DK (1)	DK140878B (en)
FR (1)	FR2216658B1 (en)
GB (1)	GB1401802A (en)
IT (1)	IT978717B (en)
NL (1)	NL159607B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4114532A (en) *	1976-10-12	1978-09-19	Dataproducts Corporation	Impact printer magnet assembly
DE2646784C3 (en) *	1976-10-16	1980-02-28	Heinrich Dr.-Ing. 4714 Selm Spodig	Permanent magnetic adhesive plate
FR2464125A1 (en) *	1979-08-27	1981-03-06	Braillon P	MAGNETIC BLOCK WITH PERMANENT MAGNETS AND A MECHANICAL ON / OFF CONTROL DEVICE
US4323150A (en) *	1980-05-02	1982-04-06	Fleetwood Systems, Inc.	Magnetic rail construction
JPS5959237U (en) *	1982-10-15	1984-04-18	鐘通工業株式会社	Switchable permanent magnetic chuck
FR2538288B1 (en) *	1982-12-28	1986-05-23	Braillon Cie	MAGNETIC TRAY WITH PERMANENT MAGNETS
US4687385A (en) *	1985-04-08	1987-08-18	Milwaukee Electric Tool Corporation	Portable hole cutting power tool
JPH0698545B2 (en) *	1986-10-24	1994-12-07	フジ磁工株式会社	Double-sided permanent magnet check
DE102005021094A1 (en) *	2005-05-06	2006-11-09	B.T. Innovation Gmbh	Switchable magnetic device
EP2559515A4 (en) *	2010-09-20	2013-10-30	Tae Kwang Choi	Magnet holder including a combination of a permanent magnet and an electromagnet
US9649770B1 (en) *	2016-03-28	2017-05-16	Hiwin Technologies Corp.	Magnetic holding device with movable magnetic shielding device
US10234424B2 (en) *	2016-12-15	2019-03-19	Caterpillar Inc.	Magnetic particle inspection tool with 3D printed magnets

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB874600A (en) *	1958-03-28	1961-08-10	Darwins Ltd	Improvements in or relating to magnetic chucks and similar holding devices
FR1220631A (en) *	1958-04-19	1960-05-25	Hagou Metaalfab N V	Permanent magnet chuck
US2972485A (en) *	1958-12-03	1961-02-21	Gen Motors Corp	Magnetic chuck
US3135899A (en) *	1960-12-19	1964-06-02	Hartley Co	Magnetic work-holding table
GB939584A (en) *	1961-01-21	1963-10-16	Neill James & Co Sheffield Ltd	Improvements in or relating to permanent magnet chucks and holding devices

0
- BE BE794846D patent/BE794846A/en not_active IP Right Cessation
1972
- 1972-02-02 GB GB478472A patent/GB1401802A/en not_active Expired
1973
- 1973-01-24 US US00326532A patent/US3818399A/en not_active Expired - Lifetime
- 1973-01-25 DK DK40673AA patent/DK140878B/en unknown
- 1973-01-30 AU AU51585/73A patent/AU471516B2/en not_active Expired
- 1973-02-01 IT IT19919/73A patent/IT978717B/en active
- 1973-02-01 FR FR7304215A patent/FR2216658B1/fr not_active Expired
- 1973-02-01 CH CH143073A patent/CH584961A5/xx not_active IP Right Cessation
- 1973-02-01 NL NL7301484.A patent/NL159607B/en unknown
- 1973-02-01 CA CA162,698A patent/CA999336A/en not_active Expired
- 1973-02-02 JP JP48013011A patent/JPS4891679A/ja active Pending

Also Published As

Publication number	Publication date
DK140878C (en)	1980-05-12
GB1401802A (en)	1975-07-30
JPS4891679A (en)	1973-11-28
AU471516B2 (en)	1976-04-29
BE794846A (en)	1973-05-29
FR2216658B1 (en)	1978-03-03
DE2304818B2 (en)	1975-08-28
NL159607B (en)	1979-03-15
FR2216658A1 (en)	1974-08-30
DK140878B (en)	1979-12-03
CH584961A5 (en)	1977-02-15
US3818399A (en)	1974-06-18
DE2304818A1 (en)	1973-08-16
AU5158573A (en)	1974-08-01
NL7301484A (en)	1973-08-06
IT978717B (en)	1974-09-20

Publication	Publication Date	Title
AU459698B2 (en)	1975-04-10	Permanent magnet dynamoelectric machine
AU5961073A (en)	1975-02-27	Magnetic devices
CA971078A (en)	1975-07-15	Gas-moving devices
KR780000424B1 (en)	1978-10-10	Movable magnet loudspeaker
CA999336A (en)	1976-11-02	Permanent magnet devices
AU473094B2 (en)	1976-06-10	Advertising devices
AU463330B2 (en)	1975-07-24	Magnet controller
AU5159973A (en)	1974-08-01	Laminations
CA978733A (en)	1975-12-02	Flexible ferrite-particle magnets
AU470746B2 (en)	1976-03-25	Magnetic poles
GB1439503A (en)	1976-06-16	Magnetic devices
CA899435A (en)	1972-05-02	Permanent magnet alternator
CA956218A (en)	1974-10-15	Magnet tire
CA855571A (en)	1970-11-10	Permanent magnet holding devices
CA913708A (en)	1972-10-31	Magnetic device
CA895530A (en)	1972-03-14	Temperature compensated permanent magnet
CA854810A (en)	1970-10-27	Permanent magnet generator
CA804534A (en)	1969-01-21	Ceramic permanent magnet
CA838860A (en)	1970-04-07	Permanent magnet target device
CA832592A (en)	1970-01-20	Permanent magnet rotor
CA899819A (en)	1972-05-09	Mechanical devices
CA848011A (en)	1970-07-28	Turn-off permanent magnet
CA915734A (en)	1972-11-28	Magnet threshold assembly
CA804134A (en)	1969-01-14	Permanent magnet motor
CA908713A (en)	1972-08-29	Series field for permanent magnet machine