Metering and dispensing closure

摘要

A metering and dispensing closure for a container. A rotor and a movable member rotate in conjunction with a cap member to afford accurate measuring of a powder material and dispensing of it. The rotor, the movable member, and the container cap afford a consistent measuring of the powder material, as well as provide a variety of drive members which can be utilized with the dispensing closure.

主权项

1. A method of dispensing granular dispensable materials from a container including a dispensing closure, the method comprising:
providing a cap of the dispensing closure, the cap including an inside face, an outside face, and an aperture communicating between the inside and outside faces and through which materials can be dispensed; providing a first movable member and a second movable member of the dispensing closure; moving the first movable member between a first position in which the aperture is blocked and a second position in which the aperture is not blocked; moving the second movable member between a first position in which the aperture is blocked and a second position in which the aperture is not blocked; sequencing movement of the first movable member and the second movable member so that at least one of the first and second movable members is always blocking the aperture; engaging an edge of the second movable member with a ramped surface disposed on the outside face; exerting a force on the outside face of the cap; scraping at least a portion of the outside face with the second movable member under pressure exerted by the force; and removing material from the outside face of the cap by scraping the at least a portion of the outside face with the second movable member.