Filling Machines With Filling Nozzle

This invention relates to container filling machines and specifically to cleaning

the exterior surface of the filling nozzle of product clinging thereto following the filling operation.

In filling machines in combination a plurality of filling heads each provided with a product nozzle movable in a circular path, a plurality of container supports movable circularly to position successive empty containers below successive filling heads, means situated in the path of rotation of the filling heads and container supports for delivering empty containers to the supports and discharging filled containers from the supports, there being a space in the path of travel between the said delivery means and discharge means, means operative during the movement of each filling head and container support along said circular path from the place of delivery to the place of discharge to position the product nozzle of each filling head within the open top of a container resting on the container support therebelow for filling and separating the nozzle and container from each other after filling and means operable as the filling head travels from the place of discharge to the place of delivery for clearing the exterior surface of the product nozzle, said means comprising a manifold block positioned about the product nozzle in axially fixed relation thereto,

As herein illustrated, the filling machines comprise a filling head provided with a filling nozzle and a container support so arranged as to enable positioning the nozzle within the open top of the container during the filling operation and separating the nozzle and container from each other following filling and means associated with the filling nozzle operable when the latter is separated from the container to clear the external surface of the nozzle of product adhering to the exterior surface. The nozzle may be positioned in the open top of the container by lowering the nozzle relative to the container support or by raising the container support relative to the nozzle. The means associated with the nozzle to clear the exterior surface comprises means for projecting a stream of gas downwardly against the exterior surface of the nozzle and this latter means may comprise a manifold disposed about the nozzle containing a gas chamber to which gas is supplied under pressure and means defining an opening concentric with the nozzle through which gas is delivered to the chamber may be directed downwardly on the surface of the nozzle. More specifically, the invention relates to rotary filling machines where there are a plurality of filling heads movable in a circular path and a plurality of container-elevating members movable into alignment with the filling heads arranged to elevate successive containers into operative positions relative to the filling heads.

by: ericfu

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