Piping element and manufacturing method and apparatus
US7631668B2 · kind B2 · utility
11Cited by
9References
13Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 11, 2003 |
| Grant date | Dec 15, 2009 |
| Priority date | — |
| Expiry date | Jan 30, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C48/303
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A piping element having at least two longitudinal components, such as flow pipes (4), outside of which there is an insulator (3), outside of which there is a corrugated outer sheath (2). The piping element is bendable. Fastening means are arranged to the longitudinal components to prevent the longitudinal movement of the longitudinal components in relation to each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.