Patent · US Expired

Tube-to-tube connection

US4333672A · kind A · utility

16Cited by
11References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 10, 1979
Grant dateJun 8, 1982
Priority date
Expiry dateDec 10, 1999

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/53996
  • WIPO fieldMachine tools
  • WIPO sectorMechanical engineering

Abstract

A mechanical connection of a first tube to a second tube, in which the first tube has a radially inner dimension and the second tube has a radially outer dimension permitting close sliding engagement of an end of the second tube within an end of the first tube. The connection includes staked segments spaced apart circumferentially about the first and second tube side walls. Each staked segment includes simultaneously formed projections formed by a staking or piercing knife in the side walls of both tubes.

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