Abstract: A dispensing container for a product having a tubular container body with a dispensing end, and an operating end, a plug in the container near the operating end, and movable towards the dispensing end, a disc forming part of the plug in sealing engagement with the inside of the container body, and a locating sleeve within the operating end of the container formed integrally therewith.

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.

Abstract: A self-closing dispenser device having a generally rigid valve support with a two-way passageway for dispensing in one direction and return air flow in the other direction, a diaphragm on one side of the valve support, a valve member on the other side of the valve support, porting in the diaphragm, a valve stem connected to the diaphragm member and extending through the two-way passageway, and having a valve closure surface and a dispensing opening in the valve member, normally closed by the valve closure surface and movable outwardly for ejection of material, and the valve stem and closure surface being movable inwardly away to permit re-entry of air.