Corrugated conduit and method of expanding to form a lined tubular member
US8434207B2 · kind B2 · utility
3Cited by
43References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 18, 2011 |
| Grant date | May 7, 2013 |
| Priority date | — |
| Expiry date | Aug 2, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/4994
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
Methods of forming a lined tubular member are described herein. A method includes forming at least one corrugated portion in a conduit having at least one substantially tapered end to form a corrugated conduit, providing the corrugated conduit to a tubular member; and expanding the corrugated conduit while the corrugated conduit is inside the tubular member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.