Title: Microbubble feeding apparatus and method

Abstract: A method and apparatus are provided for the metered delivery of microbubbles, used for example, in the production of explosive compositions. Disclosed is a holding vessel with sufficient residence time to deaerate the microbubbbles with a level indicating device for sensing the quantity of microbubbles deposited therein, the outlet of the holding vessel communicating with a dual screw feed apparatus for delivering a constant volumetric flow of deaerated microbubbles from the holding vessel and a weigh-belt, upon which the microbubbles ae deposited as they exit the screw feeder, for providing a constant flow of microbubbles by weight for delivery to processing apparatus.

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Inventors: Olney, Robert S. (Bethlehem, PA, US)

Application Number: 848660
Filing Date: 1977-11-04
Publication_date: 1980-09-09
Assignee: Atlas Powder Company (Tamaqua, PA)
Primary Class(es): 406/33 222/55
Other Classes:
US Patent Ref:

2658604	Nov, 1953	Erdmenger et al.	198/548.
2966253	Dec, 1960	Gerrans	198/572.
3139217	Jun, 1964	Mell	198/505.
3186602	Jun, 1965	Ricciardi	222/161.
3252618	May, 1966	Anderson et al.	222/56.
3430751	Mar, 1969	Bateson	198/505.
3494507	Feb, 1970	Ricciardi	222/56.
3953077	Apr, 1976	Kulyabko et al.	222/56.

Other Refs:
Primary Examiner: Nase, Jeffrey V.
Assistant Examiner:
Attorney: Richards, Harris & Medlock