Flexible hose for liquefied gases
US4445543A · kind A · utility
37Cited by
7References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 20, 1982 |
| Grant date | May 1, 1984 |
| Priority date | — |
| Expiry date | Sep 20, 2002 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L59/141
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
Flexible hose for liquefied gases, comprising a tubular body of biaxially oriented polypropylene film (2) arranged between an inner helically wound wire (3) and an outer helically wound wire (4), said wires being wound at the same pitch but having the windings displaced by half a pitch width from each other.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.