Patent · US Expired

Bladder system for conduit expansion

US7000643B2 · kind B2 · utility

7Cited by
18References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 10, 2004
Grant dateFeb 21, 2006
Priority date
Expiry dateJun 10, 2024

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE03F3/06
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

Disclosed is a bladder system for use in conjunction with a conduit expansion process and system. In addition, the bladder system is in operative communication with an injection material handling system. The bladder system includes a bladder element with injection hardware positioned on one end and distal end hardware positioned on the other end. The injection hardware and the distal end hardware are integrally attached to the bladder element, and the bladder element is capable of expanding and contracting inside the liner conduit.

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