Ink supply for impulse ink jet system, said ink supply including a cap having threaded periphery, and a valve supported by the cap, wherein a projection extends from a surface of the cap into an ink reservoir

摘要

An ink supply apparatus includes a container for storing ink jet ink having an opening for releasing ink from the container, a valve member mounted in the opening in the container, and a mechanism coupled to the valve member for biasing the valve member so as to prevent the flow of ink from the container when the ink supply is not mounted on a supply base