Self-inking stamp and production method therefor
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United States of America Patent
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Jul 18, 2017
Grant Date -
Dec 18, 2014
app pub date -
Jun 10, 2014
filing date -
Jun 12, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
Self-inking stamp comprises: a porous marking block; an ink storage body disposed on an upper surface of the porous marking block; an absorber disposed on an upper surface of the ink storage body and configured to generate a capillary force less than that of the ink storage body, and absorb excess ink from the ink storage body; an ink tank comprising an ink supply tube having an open distal end connected to the ink storage body; a wall member covering an outer lateral peripheral surface of the ink storage body in such a manner as to prevent ink leakage; an ink outlet opening provided in a part or an entirety of a lower surface of the ink storage body; and an air passage opening provided in at least a part of an outer lateral peripheral surface of the absorber in communicating relation with atmospheric air.
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