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Article: Japanese Inventors Develop Planographic Printing Plate Feeding Apparatus
- Article from:
- US Fed News Service, Including US State News
- Article date:
- May 20, 2008
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ALEXANDRIA, Va., May 20 -- Yoshinori Kawamura and Kikuo Matsuba, both of Kanagawa, Japan, have developed a planographic printing plate.
According to the U.S. Patent & Trademark Office: "In a planographic printing plate feeding apparatus, a load W applied to a stack of plates by a pickup roller which feeds a planographic printing plate from the stack is adjusted. If the load W is increased and exceeds a single feeding threshold, and if a conveyance force F1 applied from the uppermost planographic printing plate to the slip-sheet is increased by such a degree that the conveyance force F1 exceeds a maximum static friction force F2' between the slip-sheet and the planographic printing plate ...