Cleaning body, assembly, and image forming apparatus

By optimizing the design of the foamed elastic layer of the cleaning body, ensuring that the equivalent circle diameter and helical parameters at the front end of the foam skeleton are within a reasonable range, the problem of insufficient cleaning maintenance is solved, and efficient pollutant removal and cleaning body durability are achieved.

CN113448227BActive Publication Date: 2026-06-09FUJIFILM BUSINESS INNOVATION CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
FUJIFILM BUSINESS INNOVATION CORP
Filing Date
2020-09-07
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Existing cleaning bodies have shortcomings in terms of cleaning maintenance, especially when the equivalent circle diameter, pitch, and helix angle at the front end of the bubble skeleton do not meet specific relationships, resulting in poor cleaning performance.

Method used

A cleaning body was designed with an equivalent circle diameter of less than 50 μm at the front end of the foamed elastic layer's pore skeleton, a pitch R2 and a helix angle θ satisfying the relationship 0.2≤R2/θ≤1.0, and a thickness of more than 1.0 mm and less than 3.0 mm. This design improves cleaning maintenance.

Benefits of technology

It improves the cleaning and maintenance properties of the cleaning body, effectively removes contaminants, reduces deformation of the foamed elastic layer, and extends the service life of the cleaning body.

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Abstract

The present application provides a cleaning body, an assembly, and an image forming apparatus. The cleaning body has a core body, and a foamed elastic layer spirally wound on the outer circumferential surface of the core body from one end to the other end of the core body. The equivalent circle diameter of the front end of the cell skeleton protruding from the surface of the foamed elastic layer is 50 μm or less. The pitch R2 of the foamed elastic layer is 5 mm or less and the spiral angle θ is 15° or less.
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