A dispenser consisting of a cylindrical container made up of a molded plastic material, having a through-bore, a piston reciprocable in the container and defining two chambers respectively containing a product, such as tooth-paste, and a propellant gas, such as compressed air, and a valve having a v
A dispenser consisting of a cylindrical container made up of a molded plastic material, having a through-bore, a piston reciprocable in the container and defining two chambers respectively containing a product, such as tooth-paste, and a propellant gas, such as compressed air, and a valve having a valve body integral with the body of the container, so as to allow a user to extract a given quantity of product through the through-bore, as his needs arise. The valve comprises a needle moving in an opening extending transversely horizontally of the valve body. Its control member is an elbowed lever arm mounted ina cavity in the valve body on the opposite side of the through-bore.
대표청구항▼
A dispenser of fluid products, chosen from the group comprising liquids, semi-liquids, pastes, consisting of a container, defining an aperture and containing a fluid product and a propellant gas exerting a given pressure against the product, and of a valve allowing the user to dispense a given quant
A dispenser of fluid products, chosen from the group comprising liquids, semi-liquids, pastes, consisting of a container, defining an aperture and containing a fluid product and a propellant gas exerting a given pressure against the product, and of a valve allowing the user to dispense a given quantity of product through said aperture, wherein said container defines a body and said valve defines a body, these two bodies being integrally molded, and wherein said valve comprises a needle slidable in a first channel extending transversely of the body of the valve, one of the ends of said first channel merging with said aperture of said container, a manual-control member mounted in a main cavity made in the body of the valve, on the opposite side of said aperture, a second channel transversely opening into said first channel, a return biasing means for said needle, sealing means to prevent said product from flowing between the needle and the wall of surrounding said first channel, in such a way that the needle is moved while said control member is manually operated against the bias of said biasing means from a first position in which it closes said aperture to a second position in which said aperture is in communication with said product in said container through said first and second channels, and automatically returns to its first position under the bias of said return biasing means when said manual operation of said control member stops.
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Campbell, David C.; Gibbons, Louis A., Caulk gun pressurizing system.
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