Patent · US Expired

Method for joining metallic members

US5073693A · kind A · utility

4Cited by
7References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 6, 1989
Grant dateDec 17, 1991
Priority date
Expiry dateOct 6, 2009

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB23K11/14
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A method for joining a porous metallic member and a non-porous metallic member includes by passage of an electric current after forming a dense portion on a joining surface of the porous metallic member by caving a projection provided on a joining surface of the non-porous metallic member into said porous metallic member whereby both metallic members are joined firmly without using screws or adhesives.

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