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Shell forming systemHollow shells of high uniformity are formed by emitting liquid through an outer nozzle and gas through an inner nozzle, to form a hollow extrusion, by flowing the gas at a velocity between about 1.3 and 10 times the liquid velocity. The natural breakup rate of the extrusion can be increased to decrease shell size by applying periodic perturbations to one of the materials prior to exiting the nozzles, to a nozzle, or to the extrusion.
Document ID
20080008735
Acquisition Source
Headquarters
Document Type
Other - Patent
Authors
Kendall, Jr., James M.
Wang, Taylor G.
Elleman, Daniel D.
Date Acquired
August 24, 2013
Publication Date
October 2, 1990
Subject Category
Nonmetallic Materials
Report/Patent Number
Patent Application Number: US-Patent-Appl-SN-922899
Patent Number: US-Patent-4,960,351
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
US-Patent-4,960,351
Patent Application
US-Patent-Appl-SN-922899

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