Three-dimensional molding using magnetically activated static and dynamic ferrofluid configurations
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United States of America Patent
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Jan 16, 2018
Grant Date -
Feb 19, 2015
app pub date -
Aug 15, 2014
filing date -
Aug 16, 2013
priority date (Note) -
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Abstract
A method for creating a dynamic mold from a ferrofluid substrate in or adjacent to curable molding material is disclosed. A combination of magnetic elements is used to create a magnetic field that is capable of concentrating a ferrofluid substrate in a 3-D space. The ferrofluid substrate shapes a molding material to effect its shape. The ferrofluid, under the influence of a magnetic field, is capable of creating surface features and internal features in the molding material. Once cured or partially cured, the ferrofluid may be removed, resulting in features that are difficult to form by conventional methods.
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