Blocking device
US6736157B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 15, 2002 |
| Grant date | May 18, 2004 |
| Priority date | — |
| Expiry date | Apr 25, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/87965
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The present invention relates to a device for blocking a liquid- and/or vapour-flow from a hose and positioning a hose rupture to a coupling in the hose, e.g. the end of the hose and a nozzle, the coupling comprising a female fitting (2) and a male fitting (1), each with its radial, at least partly conical portion (6, 7) which, after union of the male fitting (1) in the femal fitting (2), form at least parts of a conical ring, a split ring (10) consisting of one or more parts and provided with a groove (11) fitting the conical ring, being disposed on the conical ring (6, 7) for interconnecting and retaining the male fitting (1) in the female fitting (2), the ring (10), on the opposite side in relation to the groove (11) having at least one groove (12, 27, 28) each for a spring ring (13, 29, 30) for orientation of the string ring (13, 29, 30) and urging the ring (10) against the conical ring (6, 7) and retention of the male fitting (1) in the female fitting (2) until a predetermined separating force occurs, when the split ring (10) slides off the conical ring (6, 7) so that the retention of the male fitting (1) in the female fitting (2) ceases, a valve cone (3) being disposed to blo…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.