Heat-insulated hose for liquefied gases
US4380253A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 17, 1981 |
| Grant date | Apr 19, 1983 |
| Priority date | — |
| Expiry date | Feb 17, 2001 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L59/141
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A heat-insulated hose for liquefied gases, in particular, liquefied natural gas, comprising an inner hose (5) resistant to cryogenic temperatures, a plurality of successive layers (7A, 7B, 7C) of heat-insulating material, for example, polystyrene foam, arranged around the inner hose (5) and an outer protective sheath (18) arranged around the outermost layer of heat-insulating material, wherein each layer (7A, 7B, 7C) comprises a helically wound strip (6A, 6B, 6C) of fibre material holding together a mosaic of blocks of the heat-insulating material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.