Ink supply method and ink supply apparatus

US8997650B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8997650-B2
Application numberUS-201313870944-A
CountryUS
Kind codeB2
Filing dateApr 25, 2013
Priority dateApr 26, 2012
Publication dateApr 7, 2015
Grant dateApr 7, 2015

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

An ink supply method in an ink supply apparatus including an ink fountain, a plurality of ink fountain keys, an ink fountain roller, an ink ductor roller, and an ink roller group. An ink film thickness distribution corresponding to an image on a printing plate is formed in the ink roller group. The ink roller group is divided into a plurality of roller subgroups. After or before division, a throw-on operation is performed for at least one of the plurality of roller subgroups, and a plate cylinder on which the printing plate to be used for printing of the next job is mounted. Ink in at least one of the plurality of roller subgroups is supplied to the printing plate mounted on the plate cylinder by rotating the plate cylinder and at least one of the plurality of roller subgroups. An ink supply apparatus is also disclosed.

First claim

Opening claim text (preview).

What is claimed is: 1. An ink supply method in an ink supply apparatus including an ink fountain storing an ink, a plurality of ink fountain keys arranged in the ink fountain, an ink fountain roller to which the ink is supplied from the ink fountain in accordance with opening ratios of the plurality of ink fountain keys, an ink ductor roller to which the ink is transferred from the ink fountain roller by an ink feed operation, and an ink roller group to which the ink transferred to…

Assignees

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Classifications

  • Operations & Transport · mapped topic

  • Operations & Transport · mapped topic

  • B41F31/04Primary

    Operations & Transport · mapped topic

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Frequently asked questions

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What does patent US8997650B2 cover?
An ink supply method in an ink supply apparatus including an ink fountain, a plurality of ink fountain keys, an ink fountain roller, an ink ductor roller, and an ink roller group. An ink film thickness distribution corresponding to an image on a printing plate is formed in the ink roller group. The ink roller group is divided into a plurality of roller subgroups. After or before division, a thr…
Who is the assignee on this patent?
Nakamura Akihiro, Hirano Masahiro, Komori Corp
What technology area does this patent fall under?
Primary CPC classification B41F31/04. Mapped technology areas include Operations & Transport.
When was this patent published?
Publication date Tue Apr 07 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).