Patent · US Expired

Inertia or friction welding of conical components into elliptically-shaped holes in a pipe or tube

US6957761B2 · kind B2 · utility

2Cited by
17References
56Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 8, 2003
Grant dateOct 25, 2005
Priority date
Expiry dateAug 21, 2023

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60R2021/2648
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

A method of joining tubular structures using friction welding is disclosed. The invention provides a method of joining a first tubular structure having a conical contact surface to a second tubular member with an elliptical contact orifice by placing the conical surface within the contact orifice, rotating one of the structures, and pressing them together to form a weld. The invention further discloses airbag inflators constructed using the method of the invention.

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