Heat insulated line for the transport of fluids
US4921018A · kind A · utility
22Cited by
7References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 26, 1985 |
| Grant date | May 1, 1990 |
| Priority date | — |
| Expiry date | Dec 26, 2005 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L59/143
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A flexible, thermally insulated conduit has a central pipe and a coaxial casing spaced therefrom by annular spacers, defining a series of seated chambers. The chambers are filled with a foam material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.