Typewriting machines – Including interposed inking device for record-medium – Endless ribbon or cartridge therefor
Patent
1982-08-23
1984-05-29
Pieprz, William
Typewriting machines
Including interposed inking device for record-medium
Endless ribbon or cartridge therefor
400274, B43M 1106, A46B 1104
Patent
active
044511647
ABSTRACT:
A dispensing container for liquid wherein the total of all of the internal forces operating on the liquid and tending to cause it to flow from a passageway in the container is overcome when the container is at rest by the total external forces acting upon the container, but wherein the total internal forces exceed the external forces when the liquid within the container is placed in motion to cause the dispensing thereof.
Specifically a dish scrubber including a hollow handle having one closed end, one open end and a removable closure for such open end with one or a pair of horizontally aligned small passageways in the handle wall adjacent the closed end, and a porous sponge body surrounding the closed end of the tube, the container, handle and the passageways being dimensionally related in size, shape, and location so that the total forces of gravity, force due to hydrostatic pressure, force due to atmospheric pressure, forces of adhesion, forces of cohesion, surface tension phenomenon, and characteristics of the contained liquid produce a net resultant force that will contain the liquid within the container when it is at rest, but release the liquid when additional force is applied to the contained liquid by placing the container in motion.
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patent: 4225254 (1980-09-01), Holberg
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