Concealed aerator which seals against a spout when inserted ther

Fluid sprinkling – spraying – and diffusing – Combining of separately supplied fluids – Liquid flow induces atmospheric air

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E03C 108

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active

045345147

ABSTRACT:
An aerator for introducing air into a liquid flowing under pressure through a spout, the aerator being partially or totally concealed by the spout and being substitutable--in dimensions and flow characteristics--with a conventional, unconcealed aerator having standard male threading. The concealed aerator is couplable to a spout having female threading at the most downstream portion thereof and provides enhanced sealing between the concealed aerator and spout. Specifically, for a concealed aerator including two concentric tubular members with an air space therebetween, the present invention teaches the forming of a seal between the upstream surfaces of both tubular members against an annular shelf defined within the spout.

REFERENCES:
patent: 3014667 (1961-12-01), McLean et al.
patent: 3067951 (1962-12-01), Aghnides
patent: 3270965 (1966-09-01), Aghnides
patent: 3279702 (1966-10-01), Aghnides
patent: 3298614 (1967-01-01), Aghnides
patent: 3363841 (1968-01-01), Aghnides
patent: 3635405 (1972-01-01), Shames et al.
patent: 3827636 (1974-08-01), Parkison et al.

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