Electrolysis: processes – compositions used therein – and methods – Electrolytic coating – Agitating or moving electrolyte during coating
Reexamination Certificate
2005-05-10
2005-05-10
Valentine, Donald R. (Department: 1742)
Electrolysis: processes, compositions used therein, and methods
Electrolytic coating
Agitating or moving electrolyte during coating
C204S22400M, C204S275100, C204S297010
Reexamination Certificate
active
06890415
ABSTRACT:
An improved anode, cup and conductor assembly for a reactor vessel includes an anode assembly supported within a cup which holds a supply of process fluid. The cup is supported around its perimeter within the reactor vessel. The anode assembly has an anode shield carrying an anode, the anode shield having upwardly extending brackets with radially extending members. A diffusion plate is supported above the anode by the anode brackets using first bayonet connections. The anode shield and the anode are supported from below by a delivery tube which also serves to deliver process fluid to the cup. A second bayonet connection is provided between a top portion of the delivery tube and the anode assembly. The fluid delivery tube has a fixed height within the vessel. The anode elevation is adjusted by the interposing of a spacer of desired thickness between the anode and the tube. An electrical conductor is connected to the anode, and passes through the tube to be electrically accessible outside the vessel. The conductor is connected to the anode with a plug-in connection which is completed when the tube is coupled to the anode by the second bayonet connection. A spring loaded bellows seal and a corrugated sleeve seal the electrical conductor from the anode, through the delivery tube, and to the outside electrical accessibility. The diffusion plate and the anode assembly are installable and removable from a top side of the reactor vessel using a tool which is lockable to the diffusion plate or to the anode. The tool provides a handle for manual engagement or disengagement of the first and second bayonet connections.
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*Buehler Simplemet 2000-FN00682 and FN00935, no date.
*Parker (Editor), “McGraw-Hill Dictionary of Scientific and Technical Terms, Fifth Edition,” McGraw-Hill, Inc., 1994, definition of “bayonet coupling”, no month.
Hanson Kyle M.
Woodruff Daniel J.
Perkins Coie LLP
Semitool Inc.
Valentine Donald R.
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