Patent · US Expired

Solder pellet

US5159309A · kind A · utility

6Cited by
2References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 11, 1991
Grant dateOct 27, 1992
Priority date
Expiry dateOct 11, 2011

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01H2037/768
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An improved temperature fuse is provided for electrical equipment having a heat transmission plate for holding a solder pellet and a control rod supported on, and prestressed against, the solder pellet. The improvement includes a solder pellet having a metal coating disposed on the entire periphery thereof. The metal coating has a higher melting point than the solder.

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