Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
320 words
An ejection device for producing a mixed spray of a product consisting of at least two fluid product components through aspiration and ejection by a gaseous propellant, and comprising an ejector housing and nozzle means therein, characterized by a. a manifold chamber in said housing, and by b. at least two Venturi-type nozzle elements in said nozzle, each of which elements is adapted for aspiration, by a gaseous propellant passing therethrough, of one of said fluid product components, and each of which nozzle elements comprises i. a convergent chamber having a narrower and opposite this a wider open end which latter is in free communication with said manifold chamber, ii. a divergent chamber having a narrower and opposite this a wider open end, and iii. a neck portion connecting the narrower end of said divergent chamber and the narrower end of said divergent chamber with each other, and having a product inlet therebetween, c. a mixing recess, open to the outside, in a wall of said housing, into which recess the divergent chambers of all of said nozzle elements open with their wider open ends, d. at least one duct means in said housing, opening at one end in a wall of the latter spaced from said mixing recess therein, and being at its other end in communication with said manifold chamber, for the free flow of propellant gas therethrough into said convergent chambers of all of said nozzle elements, and e. separate conduit means in said housing, corresponding in number to that of said nozzle elements each of which conduit means opens at one end in a wall of said housing spaced from the opening of said mixing recess and from the opening or openings of said duct means, and each of which conduit means is, at its other end, in communication with the said product inlet of the neck portion of a different one of said nozzle means.
Claim 2
Dependent Claim
320 words
An ejection device for producing a mixed spray of a product consisting of at least two fluid product components through aspiration and ejection by a gaseous propellant, and comprising an ejector housing and nozzle means therein, characterized by a. a manifold chamber in said housing, and by b. at least two Venturi-type nozzle elements in said nozzle, each of which elements is adapted for aspiration, by a gaseous propellant passing therethrough, of one of said fluid product components, and each of which nozzle elements comprises i. a convergent chamber having a narrower and opposite this a wider open end which latter is in free communication with said manifold chamber, ii. a divergent chamber having a narrower and opposite this a wider open end, and iii. a neck portion connecting the narrower end of said divergent chamber and the narrower end of said divergent chamber with each other, and having a product inlet therebetween, c. a mixing recess, open to the outside, in a wall of said housing, into which recess the divergent chambers of all of said nozzle elements open with their wider open ends, d. at least one duct means in said housing, opening at one end in a wall of the latter spaced from said mixing recess therein, and being at its other end in communication with said manifold chamber, for the free flow of propellant gas therethrough into said convergent chambers of all of said nozzle elements, and e. separate conduit means in said housing, corresponding in number to that of said nozzle elements each of which conduit means opens at one end in a wall of said housing spaced from the opening of said mixing recess and from the opening or openings of said duct means, and each of which conduit means is, at its other end, in communication with the said product inlet of the neck portion of a different one of said nozzle means.
Claim 3
Dependent Claim
27 words
An ejection device as described in claim 1, wherein said housing is in the form of a pushbutton head adapted for use with an aerosol spray dispenser.
Claim 4
Dependent Claim
18 words
An ejection device as described in claim 1, wherein there are provided two of said Venturi-type nozzle elements.
Claim 5
Dependent Claim
58 words
An ejection device as described in claim 3, characterized in that the central longitudinal axes of the spray cones ejected from the divergent chambers of said two nozzle elements intersect with each other inside or outside said mixing recess at an angle of from about 5* to 60*, and preferably at an angle of about 20* to 50*.
Claim 6
Dependent Claim
68 words
An ejection device as described in claim 3, characterized in that the main axes of the two Venturi nozzle elements are located in a plane which extends substantially parallel to the bottom wall of said housing, and that said mixing recess is provided in the sidewall of said housing, while said propellant duct means and said conduit means possess entry openings in the bottom wall of said housing.
Claim 7
Dependent Claim
29 words
An ejection device as described in claim 5, characterized in that said housing consists of two halves joined together in the plane in which said main axes are located.
Claim 8
Dependent Claim
83 words
An ejection device as described in claim 2, wherein said housing has an inlet recess in a wall thereof, remote from the wall of said housing containing said mixing recess, in which inlet recess said duct means and said separate conduit means open spacedly from each other said inlet recess being adapted for being fitted on a valve stem of a spray dispenser having separate conduits for the flow of said products therethrough, and a propellant duct means spaced from said separate conduits.
Claim 9
Dependent Claim
40 words
An ejection device as described In claim 7, characterized in that the wall portion of said housing containing said inlet recess is in the form of a dependent sleeve portion, said inlet recess being the hollow of said sleeve portion.