Hose assembly having inner protective veneer and barbed nipple portion
US5358012A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 18, 1993 |
| Grant date | Oct 25, 1994 |
| Priority date | — |
| Expiry date | Mar 18, 2013 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16L33/2076
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
A hose assembly is provided having an elongated tubular member having a nipple portion, a hose having an internal diameter corresponding essentially with the outer diameter of said nipple portion and a metallic shell which coaxially surrounds said nipple portion with the hose located therebetween. The shell has a radially inward flange at one end thereof which extends radially into an annular groove located in the tubular portion to prevent axial movement of the shell relative to the nipple portion. The nipple portion has a reduced diameter annular channel having a plurality of axially spaced circumferential barbs which extend radially outward from the channel with the outer diameter of the barbs being less than the outer diameter of the nipple portion. The shell is provided with a plurality of crimps which extend inwardly toward the outer wall of the hose at locations corresponding with the barbs so that the barbs are embedded into the inner wall of the hose by a distance substantially less than the thickness of an inner protective veneer located on the inner wall of the hose.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.