초록

A valve includes a body having a tapered protrusion on one end and a thin walled heel on the other end. A cap includes a shoulder about which the thin wall is flared to couple the cap to the body. A sleeve positioned on the body provides effective sealing between the body and a flow device.

대표청구항 ▼

A valve device comprising: a one-piece valve body having a fore end, an aft end and a trunk connecting said ends together; a heel section on said one-piece valve body aft end, said heel section including a thin tubular wall and a shoulder at the intersection of said wall and said one-piece valve bod

A valve device comprising: a one-piece valve body having a fore end, an aft end and a trunk connecting said ends together; a heel section on said one-piece valve body aft end, said heel section including a thin tubular wall and a shoulder at the intersection of said wall and said one-piece valve body; a body bore defined longitudinally of said body through said heel section and into said trunk; a cap having a cap bore defined longitudinally therein, an annular shoulder mounted on said cap to project inwardly of said cap bore, and fastening means on said cap for releasably attaching said cap to a flow device; and flaring means for flaring said heel section thin wall of said one-piece valve body over said cap annular shoulder to capture said annular shoulder between said flared thin wall and said heel section shoulder for attaching said cap to said one-piece valve body in a manner which permits rotation of said cap relative to said valve body so that the valve body can be opened and closed without rotating.