# US 5,700,087 A · Device maximizing dispersion of aggregate in liquid diluent > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 5,700,087 A - Document ID: US5700087A - Status: Granted - Kind: A - Application number: 08/540,022 - Filed: 1995-10-06 - Granted: 1997-12-23 - Earliest claimed: 1995-10-06 - Inventors: Arnold H. Beckett; James E. Swon; Henry Z. Hofer - Web page: https://patentgrep.com/patent/US5700087A ## CPC - B01F 35/50: Mixing receptacles - B01F: MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING (mixing paints B44D3/06) ## Abstract For specialized use to secure reliable standardized complete distribution or solution of aggregate mixed into a liquid diluent, a vessel having an interior hemispherical concave bottom having extending upwardly centrally from the concave bottom an arcuate conical member having upright concavely-shaped circumscribing sides. The vessel is taken in conjunction with a stably mounted mixing structure having a downwardly-extending shaft and mixing blades thereof. The shaft on a lower portion thereof supports balanced mixing blades extending radially outwardly from the mixing shaft. The mixing blades are positioned to be substantially spaced below a predetermined liquid level of liquid diluent containing a dissolvable or suspendable aggregate and to be substantially spaced above an upper end of the centrally upwardly arcuate conical member. The blades when positioned and when the mixing structure is set to revolvably the blade at a predetermined result-intensive rpm, results in homogeneously distributed aggregate in liquid contained diluent. ## Claims ### Claim 1 A standardized uniform-distribution mixing device for mixing a liquid diluent suspension or a dissolution of aggregate comprising in combination: 1) a vessel-mounted, substantially centered, vertical, revolvable, elongated linear shaft having distally-mounted, radially-outwardly extending, substantially equally-balanced blade portions, said blade portions mounted around and extending substantially radially-outwardly from one another and being positioned in a downwardly positioned state when immersed within a liquid diluent contained within a liquid-containable vessel; 2) a liquid-containable vessel having a substantially hemispherical interior concave bottom, said hemispherical interior concave bottom having a substantially centered, upwardly-extending, inverted substantially conically-shaped vessel bottom member and upwardly extending walls forming an interior liquid containable vessel-space of substantially circular cross-section, said substantially hemispherical interior concave bottom and said substantially centered, upwardly-extending, inverted substantially conically-shaped vessel bottom member jointly in combination being sufficiently arcuate as to substantially avert any non-circulation dead-volume of any accumulated portion of either or both liquid diluent and dissolved or suspended aggregate contained by said liquid-containable vessel when said elongated linear shaft is driven at a predetermined rate and positioned in said interior liquid containable vessel space; 3) said elongated linear shaft having a longitudinal axis and being stably mounted with the blade portions positioned within and substantially centrally of and sufficiently downwardly extending into said interior liquid containable vessel-space such that said blade portions are substantially immersed in sufficiently close proximity to and substantially space-above said substantially centered, upwardly-extending, inverted, substantially conically-shaped vessel bottom member when liquid diluent with dissolvable or suspendable aggregate is contained within said predetermined liquid-containable vessel and whereby dissolved or suspended aggregate in said liquid diluent is substantially uniformly circulatable around said substantially centered, upwardly-extending, inverted, substantially conically-shaped vessel bottom member; and 4) a shaft driving means for revolvably driving said elongated linear shaft at said predetermined rate of revolvable mixing when said blade portions are mounted to be substantially mixably immersed within said liquid diluent containing therein aggregate dissolvable or suspendable therein, and said blade portions being substantially positioned spaced-above said substantially centered, upwardly-extending, inverted, substantially conically shaped vessel bottom member and whereby said shaft is revolved by said shaft driving means at said predetermined rate sufficiently to achieve and maintain a substantially uniform and substantially homogenous distribution of suspendable aggregate within and throughout said liquid diluent contained in and substantially throughout said interior liquid containable vessel-space. ### Claim 2 (depends on 1) The standardized uniform-distribution mixing device of claim 1, in which said liquid-containable vessel includes 1) an upright upper outer wall surface; and 2) at least one substantially radially-extending support member of a size and shape supportingly secured to the substantially upright outer wall surface, suspendable of the entire said liquid-containable vessel when supported by base support structure. ### Claim 3 (depends on 2) The standardized uniform-distribution mixing device of claim 2, in which said at least one substantially radially-extending support member is in the form of a radially-outwardly upper-vessel circumscribing flange. ### Claim 4 (depends on 3) The standardized uniform-distribution mixing device of claim 3, in which the substantially centered, upwardly-extending, inverted, substantially conically-shaped vessel bottom member has concavely shaped arcuate upright sides. ### Claim 5 (depends on 4) The standardized uniform-distribution mixing device of claim 4, in which the concavely shaped arcuate upright sides have a radius ranging from about 0.8 inches up to about 4 inches. ### Claim 6 (depends on 5) The standardized uniform-distribution mixing device of claim 5, in which said substantially centered, upwardly-extending, inverted, substantially conically-shaped vessel bottom member has a substantially circular circumscribing bottom portion having a radius ranging from about 0.3 inches up to about 1.7 inches. ### Claim 7 (depends on 6) The standardized uniform-distribution mixing device of claim 6, in which said liquid-containable vessel has interior, upwardly-spaced, substantially vertically-extending, substantially cylindrically-shaped, radially-inwardly facing inner walls and upper liquid-containable edges, said inner walls extending to said upper liquid-containable edges at a height-distance ranging from about 3 inches up to about 12 inches. ### Claim 8 (depends on 7) The standardized uniform-distribution mixing device of claim 7, in which said substantially hemispherical interior concave bottom has a lower-most bottom portion, and in which said substantially centered, upwardly-extending, inverted, substantially conically-shaped vessel bottom member has a height above said lower-most bottom portion ranging from about 0.5 inch to about 0.8 inch. ### Claim 9 (depends on 8) The standardized uniform-distribution mixing device of claim 8, in which said blade portions each have a radius of from about 0.2 inch up to a length ending at a point at least spaced from said interior upwardly-extending, substantially cylindrically-shaped, radially-inwardly facing inner walls, and from said substantially hemispherical interior concave bottom. ### Claim 10 (depends on 9) The standardized uniform-distribution mixing device of claim 9, in which said blade portions each have a width of from about 2.5 inches to about 3.5 inches. ### Claim 11 (depends on 4) The standardized uniform-distribution mixing device of claim 4, in which the concavely shaped arcuate upright sides have a radius ranging from about 1.5 inches up to about 3 inches. ### Claim 12 (depends on 11) The standardized uniform-distribution mixing device of claim 11, in which said substantially centered, upwardly-extending, inverted, substantially conically-shaped vessel bottom member has a substantially circular circumscribing bottom portion having a radius ranging from about 0.6 inches up to about 1.2 inches. ### Claim 13 (depends on 12) The standardized uniform-distribution mixing device of claim 12, in which said liquid-containable vessel has interior upwardly-spaced, substantially vertically-extending, substantially cylindrically-shaped, radially-inwardly facing inner walls, and upper liquid-containable edges, said inner walls extending to said upper liquid-containable edges at a height-distance ranging from about 3.8 inches up to about 6.5 inches. ### Claim 14 (depends on 13) The standardized uniform-distribution mixing device of claim 13, in which said substantially hemispherical interior concave bottom has a lower-most bottom portion, and in which said substantially centered, upwardly-extending, inverted, substantially conically-shaped vessel bottom member has a height above said lower-most bottom portion ranging from about 0.2 inch to about 1 inch. ### Claim 15 (depends on 14) The standardized uniform-distribution mixing device of claim 14, in which said blade portions each have a radius of from about 0.5 inch up to about 1 inch and spaced from said substantially hemispherical interior concave bottom. ### Claim 16 (depends on 15) The standardized uniform-distribution mixing device of claim 15, in which said blade portions each have a width of from about 1 inch to about 4 inches. ### Claim 17 (depends on 16) The standardized uniform-distribution mixing device of claim 16, including a plurality of said substantially distally-mounted, radially-outwardly extending, substantially equally-balanced, blade portions mounted around and extending substantially radially-outwardly from one another and further being mounted above one another on said elongated linear shaft. ### Claim 18 (depends on 16) The standardized uniform-distribution mixing device of claim 16, in which said shaft driving means is revolvably drivable of said revolvable elongated linear shaft at said predetermined rate, and in which said predetermined rate ranges between about 8 pm and about 250 rpm. ### Claim 19 (depends on 1) The standardized uniform-distribution mixing device of claim 1, in which said shaft driving means is revolvably drivable of said revolvable elongated linear shaft at said predetermined rate, and in which said predetermined rate ranges between about 8 rpm and about 250 rpm. ### Claim 20 (depends on 1) A method of homogeneously mixing at least one of solute and insoluble aggregate within a liquid vehicle, comprising utilizing the standardized uniform-distribution mixing device of claim 1, and including revolving said shaft driving means at said predetermined rate within a range of from about 8 rpm and 250 rpm for a period of time sufficient to achieve substantially homogenous distribution of matter being mixed within said liquid vehicle.