Bladder system for conduit expansion
US7000643B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 10, 2004 |
| Grant date | Feb 21, 2006 |
| Priority date | — |
| Expiry date | Jun 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.