Method of preparing by electrophoresis a shaped article constitu

Details Method of preparing by electrophoresis a shaped article constitu Method of preparing by electrophoresis a shaped article constitu

1977-03-17

1978-05-30

Williams, Howard S.

Chemistry: electrical and wave energy

Processes and products

Electrostatic field or electrical discharge

204300EC, C25D 114, C25D 120, C25D 1300

Patent

active

040922316

ABSTRACT:
A method and apparatus for preparing a shaped article by electrophoresis, said article being formed by agglomerated particles deposited on electrodes from a suspension in a liquid, wherein said suspension is supplied into a space defined between two confronting electrodes in the form of a concave portion and of a convex portion of said article, respectively, wherein said suspension is subjected to an electrophoresis effect between said electrodes which are subjected to a given voltage while an adjacent counterelectrode is subjected to another voltage, and wherein said electrodes are moved closer to one another so as to join and compress together corresponding deposits, for thus forming said article.

REFERENCES:
patent: 3718564 (1973-02-01), Ebrey et al.
patent: 3898146 (1975-08-01), Rehkoff et al.

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