Charging member, process for its production, and electrophotographic apparatus

US8991053B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8991053-B2
Application numberUS-201313915563-A
CountryUS
Kind codeB2
Filing dateJun 11, 2013
Priority dateDec 22, 2011
Publication dateMar 31, 2015
Grant dateMar 31, 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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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

To provide a charging member that can not easily cause faulty cleaning on a photosensitive member while having a flexibility high enough to form a nip between it and the photosensitive member in a sufficient width. The charging member has an electro-conductive support and an elastic layer that is a surface layer, which elastic layer has at its surface a region having been cured by irradiation with electron rays, where this region supports spherical polyethylene particles in such a state that the spherical polyethylene particles are exposed to the surface of the elastic layer, thereby making the surface roughened.

First claim

Opening claim text (preview).

What is claimed is: 1. A process for producing a charging member comprising an electro-conductive support and an elastic layer as a surface layer, the elastic layer being formed by irradiating an outer peripheral surface of a vulcanized rubber layer with an electron ray, the elastic layer being a single layer and a sole layer, and having a cured region resulting from the irradiation with the electron ray only at an outer peripheral surface portion thereof, wherein the cured region…

Assignees

Inventors

Classifications

  • Physics · mapped topic

  • Operations & Transport · mapped topic

  • G03G5/02Primary

    Physics · mapped topic

  • Chemistry & Metallurgy · mapped topic

  • Chemistry & Metallurgy · mapped topic

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What does patent US8991053B2 cover?
To provide a charging member that can not easily cause faulty cleaning on a photosensitive member while having a flexibility high enough to form a nip between it and the photosensitive member in a sufficient width. The charging member has an electro-conductive support and an elastic layer that is a surface layer, which elastic layer has at its surface a region having been cured by irradiation w…
Who is the assignee on this patent?
Canon Kk
What technology area does this patent fall under?
Primary CPC classification G03G15/0233. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue Mar 31 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).