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US 9,802,031 B2Granted
Creation of a polymer retention hub to form a conjunct nozzle
OwnerBrian Leonard Verrilliinventor
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Abstract
A novel design of a polymer retention hub created having an innovative feature used to permanently attach a thin wall nozzle core without use of adhesives or ancillary parts to form a conjunct nozzle. Additional polymer in the correct amount is molded into a polymer retention hub in close proximity to a location where a mechanical lock must be formed to join the two components together. The inventive design of the polymer retention hub is configured to produce an enclosed cavity with the strength required for separation of a nozzle core from a standard taper.
Claims11
A polymer retention hub comprising:
- a bottom portion having a square shape cross section portion extending downward to a fundus, with said square shape cross section portion having a flat section and corner radii;
- a top portion having a circular shaped cusp vertically oriented and located above a shaped circular fossa, an internal cylindrical relief extending upward to a tapered hollow section, a minimum root diameter portion with a contiguous thread twisting downward on an exterior perimeter of said minimum root diameter portion;
- and
- wherein said circular shaped cusp is configured to provide a volume of softened polymer material for re-flow to produce a ledge that forms an overhang that creates an enclosed cavity for locking a nozzle core flange.
1 more element
A polymer retention device comprising:
- a) a radial inclined plane twisting upward around the outside of a minimum root diameter portion;
- b) a salient cusp having a width and height, said salient cusp extending above said radial inclined plane;
- c) a shaped circular fossa below said salient cusp;
- d) a tapered hollow section beneath said shaped circular fossa with an interior edge relief;
- e) a cylindrical relief breaking downward to a fundus;
- f) a square shape cross section portion having corner radii rising to said minimum root diameter portion;
- g) wherein said salient cusp is configured to have a volume based on said width and height to produce a ledge that forms an overhang and an enclosed cavity for seating a nozzle core, and said ledge with said enclosed cavity having a thickness to support a load equivalent to the force required to separate the nozzle core from a standard taper.
4 more elements
Dependencies are inferred from the claim text.