238000006011 modification reaction Methods 0.000 description 6.229910001172 neodymium magnet Inorganic materials 0.000 claims description 6.230000000295 complement Effects 0.000 claims abstract description 8.230000004907 flux Effects 0.000 claims abstract description 44.230000005291 magnetic Effects 0.000 title claims abstract description 132.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 Whittington Richard W filed Critical Whittington Richard W Priority to US07/859,906 priority Critical patent/US5347733A/en Priority to PCT/US1993/001696 priority patent/WO1993020548A1/en Application granted granted Critical Publication of US5347733A publication Critical patent/US5347733A/en Anticipated expiration legal-status Critical Status Expired - Fee Related legal-status Critical Current Links Whittington Original Assignee Whittington Richard W 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 status listed.) Expired - Fee Related Application number US07/859,906 Inventor Richard W. Google Patents US5347733A - Magnetic name tagÄownload PDF Info Publication number US5347733A US5347733A US07/859,906 US85990692A US5347733A US 5347733 A US5347733 A US 5347733A US 85990692 A US85990692 A US 85990692A US 5347733 A US5347733 A US 5347733A Authority US United States Prior art keywords pole piece magnetic magnets piece panel keep plate Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.
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