A creasing knife

By designing an inner rounded chamfer and a ceramic alloy coating on the creping blade, combined with a specific angle and stepped structure, the problems of short service life and unstable creases of the creping blade are solved, enabling efficient production of high-quality toilet paper.

CN224531344UActive Publication Date: 2026-07-21MAANSHAN WISDOM NEW NANOMETER MATERIALS
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
MAANSHAN WISDOM NEW NANOMETER MATERIALS
Filing Date
2025-08-27
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

Existing creping knives have a short service life and produce unstable creases, which affects paper quality and production efficiency.

Method used

A wrinkling knife with an inner rounded chamfer and a ceramic alloy wear-resistant layer was designed. It adopts a unique ✓-shaped structure and a high-hardness coating, combined with a specific angle and step design to ensure a tight fit with the drying cylinder, reduce wear and improve peeling force.

Benefits of technology

It significantly extends the service life of the creping blade, improves the uniformity and softness of the paper wrinkles, reduces equipment maintenance costs, and produces high-quality toilet paper.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224531344U_ABST
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Abstract

The utility model provides a kind of creping knife.The creping knife includes base body, the end of the base body forms first end face, coating is arranged on the first end face, one side of the base body is equipped with inner arc chamfer, the inner arc chamfer makes the base body form second end face, third end face and fourth end face, the second end face and fourth end face are respectively connected in the both ends of inner arc chamfer, and the third end face is connected between first end face and fourth end face;The other side of the base body width direction Y is equipped with fifth end face;Angle γ is formed between the second end face and fifth end face, angle β is formed between the third end face and fifth end face, the third end face has length W, the first end face and fifth end face have angle α0, the coating and fifth end face have angle α, and the end of the fourth end face and the center of inner arc chamfer have height h.The utility model can prolong the service life of creping knife, and improve paper creping quality.
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