Apparatus for particles

Details Apparatus for particles Apparatus for particles

1987-02-24

1989-01-03

Nozick, Bernard

Plastic article or earthenware shaping or treating: apparatus

Means making particulate material directly from liquid or...

4251748E, 264 10, 264 22, 361228, 239 3, B22D 1101

Patent

active

047953306

ABSTRACT:
A process for the production of solid particles, characterized by the solidification in flight of an electrically charged spray of fluid droplets of narrow particle size distribution, and an apparatus for that process comprising a sprayhead with a channel for the fluid communicating with an outlet; means for subjecting the fluid to an electrical field such that the fluid will move from the sprayhead under the influence of the field to produce a spray of the fluid, the means including means for applying a first potential to the fluid; an electrode mounted spaced from but adjacent to the sprayhead with means to apply a second potential to that electrode; and a spray chamber, so positioned that in use the sprayhead delivers the spray to the chamber interior, and provided with means to apply a third potential to the chamber, and so dimensioned and arranged that in use the majority of the spray droplets solidify before impinging on any surface of or within the chamber.

REFERENCES:
patent: 2302289 (1942-11-01), Bramstock-Cook
patent: 2525347 (1950-10-01), Gilman
patent: 2810426 (1957-10-01), Till et al.
patent: 4264641 (1981-04-01), Mahoney et al.

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