Coupling for pressure hose
US4552387A · kind A · utility
Inventor
Key dates
| Filing date | May 23, 1983 |
| Grant date | Nov 12, 1985 |
| Priority date | — |
| Expiry date | May 23, 2003 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L41/005
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A hose coupling having a threaded body and hose clamping fingers extending from the body, the body and the fingers being formed as a one piece unit in a single manufacturing operation the fingers being formed with a ridge around the exterior, and a separate slideable collar fitting around the fingers, and slideable along the finger so as to squeeze the fingers together when the collar is pressed towards the body, and releasing the fingers when the collar is pulled away from the body, the fingers having interior teeth, arranged to engage the surface of a hose, and bite into it when the fingers are squeezed together by the collar and at the transition between the fingers and the body, an interior sealing sleeve, of gradually reducing diameter, for making sealing engagement with the outer surface of the hose, when the hose is forced into the sleeve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.