초록 ▼

The problems of excess flow of a liquid to be dispensed in a metering device, especially for a sterilizing liquid for packings and packaging materials, is solved by pumping the liquid from a supply vessel below the housing of the metering device into the latter and maintaining a bath of the liquid i

The problems of excess flow of a liquid to be dispensed in a metering device, especially for a sterilizing liquid for packings and packaging materials, is solved by pumping the liquid from a supply vessel below the housing of the metering device into the latter and maintaining a bath of the liquid in the latter by overflow back to the supply vessel. A control slider lifts a quantity of the liquid from the bath to an overflow channel from which it flows to a metering chamber and then passes through an upwardly inclined duct to the atomizing and blowing device applying the liquid spray to the packaging materials.

대표청구항 ▼

An apparatus for dosed application of a liquid substance to an article, especially for the application of a sterilizing agent such as hydrogen peroxide to packages, comprising: a supply vessel containing a quantity of said liquid substance; an atomizing spray device disposed above said supply vessel

An apparatus for dosed application of a liquid substance to an article, especially for the application of a sterilizing agent such as hydrogen peroxide to packages, comprising: a supply vessel containing a quantity of said liquid substance; an atomizing spray device disposed above said supply vessel and receiving metered quantities of said liquid substance for dispersing said liquid substance in a carrier fluid and directing said carrier fluid and the liquid substance dispersed therein against said article; a metering device connected between said supply vessel and said spray device for supplying said metered quantities of said liquid substance to said spray device, said metering device comprising: a metering housing located above said vessel and adapted to receive a liquid bath of said substance, said housing being formed with an inlet for delivering said liquid substance to said bath and an outlet from which excess liquid can overflow from said bath, a control slider displaceable in said housing between a lower position wherein a portion of said slider is immersed in said bath and an upper position wherein said portion of said slider is withdrawn from said bath, said portion being formed with a pocket receiving a quantity of said liquid substance, a runoff channel formed in said housing and communicating with said pocket in said upper position of said control slider for discharging the quantity of said liquid substance received in said pocket from said control slider, a dosing chamber on said housing positioned to receive the quantity of said liquid substance discharged from said pocket through said channel in free flow therefrom, and a duct connecting said dosing chamber with said atomizing spray device; and means for feeding said liquid substance from said vessel to said inlet.