Patent · US Expired

Tube joint

US4202568A · kind A · utility

33Cited by
8References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 20, 1978
Grant dateMay 13, 1980
Priority date
Expiry dateMar 20, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T29/49879
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

In a joint between two tubes having a corrugated outer wall and a smooth or corrugated inner wall the tubes are cut to form each an open annular space between said walls at the end. A sealing ring is received by the spaces, and the tubes are pressed against the sealing ring by means of a lock ring tightened about the tube ends.

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