Method of making liquid container having electrode plates to det

Details Method of making liquid container having electrode plates to det Method of making liquid container having electrode plates to det

1984-03-20

1985-04-23

Frankfort, Charles

Metal working

Electric condenser making

73304C, H01G 700

Patent

active

045120676

ABSTRACT:
Liquid level measuring capacitors, each having two vertically disposed generally polygonal plates, are made by preparing a provisional assembly including a first electrode plate having plural holes and a baffleplate shape. A second electrode plate opposite to the first electrode has plural holes corresponding to the first electrode plate holes. A one-piece dielectric spacer network inserted between the plates includes plural annular spacers arranged correspondingly to the holes of the plates. The spacer has zigzag connecting bars to breakably connect a number of the spacers to one another by relatively weak joints with a generally arc-like part of the outer periphery of each spacer. A fastener is inserted in the center hole of each spacer through aligned holes of plates. Each fastener is fixed to the plates. The end portions of the connecting bars are pulled to break and separate spacers. The separated connecting bar is separated from the provisional assembly, so the provisional assembly is converted into the electrode plate assembly and plural spacers remain sandwiched between the plates and are spaced from one another.

REFERENCES:
patent: 1595810 (1926-08-01), Allcutt
patent: 2280678 (1942-04-01), Waymouth
patent: 2426252 (1947-08-01), Thomson
patent: 3067385 (1962-12-01), Rykoskey
patent: 4038871 (1977-08-01), Edwards
patent: 4209740 (1980-06-01), Marthe
Japanese Utility Model Publication No. 40-4539, (Feb. 2, 1965), "Device to Measure Liquid Quantity".
Japanese Utility Model Publication No. 48-52559, (Apr., 1973), "Device to Regulate Capacitance in Liquid Quantity Gauge of Capacitor Type".
Japanese Utility Model Publication No. 49-74252, (Apr., 1974), "Liquid Quantity Gauge".

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