Patent · US Active

Methods for counteracting rebounding effects during solid state resistance welding of dissimilar materials

US11931817B2 · kind B2 · utility

1Cited by
58References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 6, 2022
Grant dateMar 19, 2024
Priority date
Expiry dateJul 6, 2042

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB23K2103/26
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

The present disclosure is directed to a multi-segment device, such as an intravascular guide wire. The multi-segment device includes an elongate first portion comprising a first metallic material, an elongate second portion comprising a different metallic material, the first and second elongate portions being directly joined together end to end by a solid-state weld, and a heat affected zone surrounding an interface of the weld where the first and second portions are joined together, wherein the heat affected zone has an average thickness of less than about 0.20 mm.

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