Patent · US Expired

Heat-insulated hose for liquefied gases

US4380253A · kind A · utility

24Cited by
4References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 17, 1981
Grant dateApr 19, 1983
Priority date
Expiry dateFeb 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.