Arrangement for controlling the level of an ink container

Details Arrangement for controlling the level of an ink container Arrangement for controlling the level of an ink container

1986-06-30

1987-10-20

Bell, Jr., Houston S.

Fluent material handling, with receiver or receiver coacting mea

With signal, indicator, recorder, inspection means or exhibitor

Level or pressure in receiver

141198, 73304R, 340620, 346140R, 400470, B65B 304

Patent

active

047007540

ABSTRACT:
An arrangement for indicating the refilling level of a collapsible ink container (1,2) comprising a measuring circuit having an alternating voltage source (U.about.) to form an electric control signal which depends on the capacitance (8) between the liquid ink and an electrically conductive coating (5) which is insulated with respect to the ink by the wall of the ink container wherein the electrically conductive coating (5) is provided on the outside of the lower part (1) of the ink container.

REFERENCES:
patent: 4551734 (1985-11-01), Causley et al.
patent: 4626874 (1986-12-01), Murai et al.

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