Hose construction

DETAILED DESCRIPTION I claim: 1.
A flexible hose construction comprising an inner thermoplastic tubular member having a base section with circumferentially spaced axially extending radially outwardly protruding ribs thereon, a support member disposed over said inner tubular member, said support member being of generally tubular configuration and having radially inwardly directed portions thereon protruding between the ribs of said inner member, a reinforcement wound over said support member and an outer cover over said reinforcement said ribs on said inner tubular member being generally of dovetail configuration in cross section having substantially straight sides forming undercut portions into which said radially inwardly directed portions of said support member protrude, substantially completely filling said undercut portions to provide a radial interlocking engagement, said ribs having a curved partly cylindrical outer surface.
2.
The hose of claim 1 wherein said ribs on said inner tubular member have undercut portions and the radially inwardly directed portions of said support member substantially completely fill said undercut portions to provide an interlocking engagement therebetween.
3.
The hose of claim 2 wherein said ribs on said inner tubular member are generally of dovetail configuration in cross section having substantially straight sides at said undercut portions and a curved partly cylindrical outer surface.
4.
The hose of claim 1 wherein the radial thickness of said inner member at said ribs is less than about twice the thickness of said inner member at said base section between said ribs and less than about two-thirds the combined radial thickness of said inner member and said support member.
5.
The hose of claim 4 wherein said inner member is a thermoplastic material and said support member and said outer cover are rubber.
6.
The hose of claim 5 wherein said reinforcement is braided yarn and is bonded by vulcanization to said support member and said outer cover.
7.
The hose of claim 6 wherein said inner plastic member is Hytrel and said support member and outer cover are neoprene