Abstract: A method and system are provided herein for forming microparticles from plastic and elastomeric materials that cannot be reduced in size by conventional methods. The system includes a high-pressure liquid nitrogen energy source, a feeder for providing a preferred constant and uninterrupted feed to a mill, a preferred integral injection device to meter the feed into a chamber for milling and/or classification, and a preferred exhaust system for collection of the milled product.
Type:
Grant
Filed:
July 10, 2008
Date of Patent:
December 27, 2011
Assignees:
LiquaJet L.L.C., Nitrocision L.L.C.
Inventors:
William S. Henry, Edwin B. Fay, Ronald R. Warnecke, Gary L. Palmer
Abstract: A method and system are provided herein for forming microparticles from plastic and elastomeric materials that cannot be reduced in size by conventional methods. The system includes a high-pressure liquid nitrogen energy source, a feeder for providing a preferred constant and uninterrupted feed to a mill, a preferred integral injection device to meter the feed into a chamber for milling and/or classification, and a preferred exhaust system for collection of the milled product.
Type:
Application
Filed:
July 10, 2008
Publication date:
February 26, 2009
Applicants:
LiquaJet L.L.C., Nitrocision L.L.C.
Inventors:
William S. Henry, Edwin B. Fay, Ronald R. Warnecke, Gary L. Palmer