Fixing device and image forming apparatus incorporating same

US2024361712A1 · US · A1

Patent metadata
FieldValue
Publication numberUS-2024361712-A1
Application numberUS-202418638723-A
CountryUS
Kind codeA1
Filing dateApr 18, 2024
Priority dateApr 27, 2023
Publication dateOct 31, 2024
Grant date

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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.

A fixing device includes a fixing rotator, a heater, a pressure rotator, a nip formation pad, and a slide aid sheet. The fixing rotator is rotatable in a rotation direction. The heater heats the fixing rotator. The pressure rotator contacts an outer circumferential face of the fixing rotator. The nip formation pad is inside a loop of the fixing rotator to form a nip between the fixing rotator and the pressure rotator. The slide aid sheet is on the nip formation pad and faces the fixing rotator. The slide aid sheet includes a carbon fiber extending in a width direction orthogonal to a rotation direction of the fixing rotator.

First claim

Opening claim text (preview).

1 . A fixing device comprising: a fixing rotator rotatable in a rotation direction; a heater to heat the fixing rotator; a pressure rotator contacting an outer circumferential face of the fixing rotator; a nip formation pad inside a loop of the fixing rotator to form a nip between the fixing rotator and the pressure rotator; and a slide aid sheet, on the nip formation pad, facing the fixing rotator, the slide aid sheet including a carbon fiber extending in a width direction orthogonal to the rotation direction of the fixing rotator. 2 . The fixing device according to claim 1 , wherein the slide aid sheet includes: a warp extending in the rotation direction of the fixing rotator; and a weft extending in the width direction of the fixing rotator, and the weft includes the carbon fiber. 3 . The fixing device according to claim 2 , wherein the warp is made of at least one of: a heat-resistant resin; or a glass fiber. 4 . The fixing device according to claim 1 , wherein the carbon fiber includes at least one of: an acrylic fiber carbon fiber; or a pitch-based carbon fiber. 5 . The fixing device according to claim 2 , wherein the carbon fiber includes a carbon nanotube. 6 . The fixing device according to claim 5 , wherein the carbon nanotube has: a single layer structure; or two or more layer structure. 7 . The fixing device according to claim 1 , wherein the slide aid sheet holds at least one of: silicone oil, silicone grease, or fluorine grease. 8 . An image forming apparatus comprising the fixing device according to claim 1 .

Assignees

Inventors

Classifications

  • relating to the chemical composition of the heat element and layers thereof · CPC title

  • Structural details or chemical composition of the pressure elements and layers thereof · CPC title

  • combined with pressure · CPC title

  • with means for handling the copy material in the fixing nip, e.g. introduction guides, stripping means · CPC title

  • with special means for lubricating and/or cleaning the fixing unit, e.g. applying offset preventing fluid · CPC title

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What does patent US2024361712A1 cover?
A fixing device includes a fixing rotator, a heater, a pressure rotator, a nip formation pad, and a slide aid sheet. The fixing rotator is rotatable in a rotation direction. The heater heats the fixing rotator. The pressure rotator contacts an outer circumferential face of the fixing rotator. The nip formation pad is inside a loop of the fixing rotator to form a nip between the fixing rotator a…
Who is the assignee on this patent?
Yoshinaga Hiroshi, Seto Takashi, SUGIYAMA Ryohhei, and 2 more
What technology area does this patent fall under?
Primary CPC classification G03G15/2028. Mapped technology areas include Physics.
When was this patent published?
Publication date Thu Oct 31 2024 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 3 related publications on this page (citations in our corpus or others sharing the same primary CPC).