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Electric blanket control circuit
The present invention provides an improved electric blanket control circuit which is relatively simple to manufacture and at the same time is completely effective in ...
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Optical waveguide manufacturing process and article
It is an object of this invention to provide a method of forming a preform by improving the heat transfer to the particulate material formed within a substrate tube the ...
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Method of making optical fibers utilizing thermophoretic deposition of glass precursor particulates
1. Introduction The invention, in its most generic form, involves increasing the deposition efficiency of glass precursor particulate material (usually in the range of 0...
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Manufacture of optical fibre preforms
We claim: 1. A method of manufacturing a glass optical fibre preform in which a coating composed essentially of oxide material is formed on the interior surface of a ...
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Thread and bobbin storage case for existing sewing machine cabinets
OF THE PREFERRED EMBODIMENT Referring now to FIG. 1, the sewing accessory storage case C includes, in general a supporting frame 20 and a vertically mounted, sliding ...
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Method of making a cathode for an electrochemical cell
I claim: 1. A method for constructing a large, highly active cathode electrode for use in an electrochemical cell comprising the steps of: forming a porous, semi-rigid ...
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Automatic remote control system for mercury cells for the production of chlorine and caustic soda
We claim: 1. In a computer-controlled mercury cell plant comprising: a cell room, a mercury cell in the cell room, a control room remote from the cell room, a central ...
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Calibratable dial
This invention is concerned with a calibratable dial for mounting on a control shaft, particularly a shaft used to select and control temperature. An object of this ...
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Override arrangement and actuating knob for a shifting mechanism in portable tools
I claim: 1. In a power-driven drill and screwdriver including: a housing; a drive motor mounted in the housing; a case attached to the housing; a first clutch member ...
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Magnetic separator for hot mixtures containing magnetic components
The purpose of the present invention is to provide an apparatus or magnetic separator capable of effectively separating the magnetic iron particles from the non-magnetic ...
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