Washing device for rotary filling machine
AssigneeShibuya Kogyo Co., Ltd.
InventorsYoshiji Ishioka, Jyuro Kawamura
Life of this patent
Estimating the term…
Abstract
A washing device for a rotary filling machine which device is provided with the same number of washing liquid pipes as the number of filling nozzles. During the usual filling step, the washing liquid pipes are positioned so as not to interrupt the movement of the bottles to be filled. During the washing step, the washing liquid pipes are positioned directly below the filling nozzles. The washing liquid pipes are then brought close to and pressed against said filling nozzles, the valves mounted in said filling nozzles are pushed open by the tip ends of said washing liquid pipes, and thereby the flow passages for the filling liquid including the inner parts of said filling nozzles are washed with a washing liquid.
Claims24
In a machine for filling liquid into containers, comprising a rotatable support mounted for rotation around a vertical axis;
- a plurality of tables mounted in a circular array on said support for rotation therewith so that said tables move through a circular path, said tables being adapted to support containers;
- a plurality of downwardly extending filler nozzles, each nozzle being disposed in vertical alignment with one of said tables and being spaced vertically upwardly therefrom, means supporting said filler nozzles for rotation around said vertical axis conjointly with said tables so that said filler nozzles move through said circular path, said filler nozzles having normally closed valves therein which valves are adapted to be opened when containers supported on said tables are brought into contact with said nozzles;
- and means for effecting relative vertical movement between said tables and said filler nozzles as said tables and said nozzles move through said circular path so that during a portion of the conjoint movement of said tables and said nozzles through said circular path the containers supported on said tables are disposed in positions adjacent said nozzles whereby the valves in said nozzles are opened and said containers are filled with liquid and in the remainder of said circular path the containers are vertically spaced downwardly from said nozzles and the valves in said nozzles are closed, the improvement which comprises:
- a plurality of upwardly opening washing liquid pipes arranged in a circular array with there being one washing liquid pipe for each one of said filler nozzles, said washing liquid pipes being mounted for cojoint rotation around said vertical axis with said filler nozzles and said tables;
- means for supplying washing liquid to said washing liquid pipes;
- means for moving said washing liquid pipes between a first position wherein said washing liquid pipes are disposed out of vertical alignment with said filler nozzles and said tables so as not to interfere with movement of said filler nozzles and said tables, and a second position wherein each of said washing liquid pipes is disposed in vertical alignment with and is disposed between a filler nozzle and its associated table;
- and means for effecting relative vertical movement between said filler nozzles and said washing liquid pipes when said washing liquid pipes are in said second position to contact said washing liquid pipes against said nozzles whereby to open said valves and direct washing liquid upwardly into said filler nozzles.
Dependencies are inferred from the claim text.