Patent · US Expired

Apparatus and method for fabricating magnetic devices

US4813126A · kind A · utility

26Cited by
16References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 31, 1987
Grant dateMar 21, 1989
Priority date
Expiry dateJul 31, 2007

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/5313
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The invention comprises apparatus for forming nelical coils from conductive strip metal, counting the turns and cutting them to separate the turns into coils of desired numbers of turns, annealing the coils, tabbing the ends thereof, coating the coils with insulative coating and curing the coating by baking; compressing the so-insulated coils under extreme pressure to comprise a helical coil product, per se, or to fit conventional cores to comprise an inductor product.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.