Patent · US Expired

Lubrication and self-cleaning system for expansion mandrel

US7108072B2 · kind B2 · utility

31Cited by
430References
40Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 5, 2003
Grant dateSep 19, 2006
Priority date
Expiry dateJan 13, 2024

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16L15/003
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

An expansion mandrel includes a lubrication system for lubricating the trailing edge portion of the interface between the expansion mandrel and a tubular member during the radial expansion of the tubular member.

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