CA2091570C - Electromagnetic re-draw sleeve actuator - Google Patents

Electromagnetic re-draw sleeve actuator

Info

Publication number
CA2091570C
CA2091570C CA002091570A CA2091570A CA2091570C CA 2091570 C CA2091570 C CA 2091570C CA 002091570 A CA002091570 A CA 002091570A CA 2091570 A CA2091570 A CA 2091570A CA 2091570 C CA2091570 C CA 2091570C
Authority
CA
Canada
Prior art keywords
coil
ram
draw sleeve
current
improvement
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
CA002091570A
Other languages
English (en)
French (fr)
Other versions
CA2091570A1 (en
Inventor
Keith O. Stuart
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.)
Aura Systems Inc
Original Assignee
Aura Systems Inc
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
Priority claimed from US07/730,634 external-priority patent/US5212977A/en
Application filed by Aura Systems Inc filed Critical Aura Systems Inc
Publication of CA2091570A1 publication Critical patent/CA2091570A1/en
Application granted granted Critical
Publication of CA2091570C publication Critical patent/CA2091570C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/26—Making hollow objects characterised by the use of the objects cans or tins; Closing same in a permanent manner
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20—Deep-drawing
    • B21D22/30—Deep-drawing to finish articles formed by deep-drawing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Magnetically Actuated Valves (AREA)
  • Electromagnets (AREA)
CA002091570A 1991-07-16 1992-07-15 Electromagnetic re-draw sleeve actuator Expired - Fee Related CA2091570C (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US908,453 1986-09-17
US07/730,634 US5212977A (en) 1991-07-16 1991-07-16 Electromagnetic re-draw sleeve actuator
US730,634 1992-07-10
US07/908,453 US5307665A (en) 1991-07-16 1992-07-10 Electromagnetic re-draw sleeve actuator
PCT/US1992/005907 WO1993001901A1 (en) 1991-07-16 1992-07-15 Electromagnetic re-draw sleeve actuator

Publications (2)

Publication Number Publication Date
CA2091570A1 CA2091570A1 (en) 1993-01-17
CA2091570C true CA2091570C (en) 1999-11-23

Family

ID=27112083

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002091570A Expired - Fee Related CA2091570C (en) 1991-07-16 1992-07-15 Electromagnetic re-draw sleeve actuator

Country Status (6)

Country Link
US (1) US5307665A (enExample)
EP (1) EP0548343B1 (enExample)
JP (1) JP2529528B2 (enExample)
CA (1) CA2091570C (enExample)
DE (1) DE69206394T2 (enExample)
WO (1) WO1993001901A1 (enExample)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5898244A (en) * 1991-07-16 1999-04-27 Aura Systems, Inc. Dual-directional field coil actuator
AU679967B2 (en) * 1993-02-08 1997-07-17 Aura Systems, Inc. Double ended field coil actuator
US5775160A (en) * 1997-04-30 1998-07-07 Aluminum Company Of America Redraw mechanism for can body maker apparatus
GB2313565B (en) * 1996-05-31 1999-06-16 Aluminum Co Of America Improved redraw mechanism for can body maker apparatus
US7891226B2 (en) 2004-03-08 2011-02-22 Enview Technologies, Llc Electromagnetic blank restrainer
FR2906623B1 (fr) 2006-10-02 2009-01-16 Sagem Monetel Soc Par Actions Dispositif de protection pour carte electronique
US7821208B2 (en) * 2007-01-08 2010-10-26 Access Business Group International Llc Inductively-powered gas discharge lamp circuit
US20090235713A1 (en) * 2008-03-24 2009-09-24 Hirotec America, Inc. Magnetically actuated roller head

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1606141A (en) * 1925-11-27 1926-11-09 Marquette Tool & Mfg Co Work-holding means
US3584496A (en) * 1968-05-03 1971-06-15 Amp Inc Magnetic actuator
US4656400A (en) * 1985-07-08 1987-04-07 Synektron Corporation Variable reluctance actuators having improved constant force control and position-sensing features
US4934167A (en) * 1987-07-01 1990-06-19 Adolph Coors Company Can body making apparatus
US4808955A (en) * 1987-10-05 1989-02-28 Bei Electronics, Inc. Moving coil linear actuator with interleaved magnetic circuits
US4912343A (en) * 1988-08-31 1990-03-27 Aura Systems, Inc. Electromagnetic actuator
US4937481A (en) * 1989-01-13 1990-06-26 Mechanical Technology Incorporated Permanent magnet linear electromagnetic machine
CA2090875A1 (en) * 1990-09-07 1992-03-08 Roger A. Hahn Can body maker with magnetic ram bearing and redraw actuator
US5129252A (en) * 1990-09-07 1992-07-14 Coors Brewing Company Can body maker with magnetic ram bearing and redraw actuator

Also Published As

Publication number Publication date
US5307665A (en) 1994-05-03
EP0548343B1 (en) 1995-11-29
WO1993001901A1 (en) 1993-02-04
EP0548343A4 (enExample) 1994-01-19
JPH06501426A (ja) 1994-02-17
CA2091570A1 (en) 1993-01-17
EP0548343A1 (en) 1993-06-30
JP2529528B2 (ja) 1996-08-28
DE69206394D1 (de) 1996-01-11
DE69206394T2 (de) 1996-06-27

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Legal Events

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