Enclosed ink cup with improved seal

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United States of America Patent

PATENT NO 5469786
SERIAL NO

08328452

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An enclosed ink cup for a pad-type printing machine including a hollow structure defining a reservoir region that is closed around the sides and top, is open only at the bottom, and has a lower edge for sealably contacting an engraved printing plate so as to contain ink within the structure over the plate, and a vacuum port in the structure that communicates with the top of the region for applying a vacuum to the region above the ink to promote sealable contact between the lower edge and the plate.

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Patent Owner(s)

Patent OwnerAddress
ILLINOIS TOOL WORKS INC155 HARLEM AVENUE GLENVIEW IL 60025

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Harris, Kenneth R Byfield, MA 9 133

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