Cutting Tool Blade Engraving for Legible Information Retention
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing cutting tools face issues with information plates becoming illegible or detached due to abrasion during cleaning, and stickers can damage the material and detach undesirably.
Innovation Solution
The blade body features an indelibly arranged information label through engraving, preferably laser-engraved on the bolster, which serves as a thumb slip protection and remains legible even after years of use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If an information plate is applied as an etching on the blade body, then the information is permanently connected to the blade body, but the etching becomes illegible or disappears due to abrasion during cleaning cycles
Solution Approach 1:
The information plate is raised from the blade body surface to form a three-dimensional structure with specific height (0.1-2.0 mm). This dimensional elevation creates physical protection against abrasion during cleaning, as the raised profile prevents complete wear through while maintaining information visibility from above.
Solution Approach 2:
The information plate is pre-formed with a raised profile before final assembly, creating a protective structure in advance that will withstand future cleaning operations. The elevation is built-in during manufacturing, preparing the information element for abrasive conditions before they occur.
2Ease of manufacture
If an information sign is applied as a sticker with self-adhesive back on the blade body, then the information can be easily attached, but the sticker can become detached during use and the adhesive can attack the blade body material causing discoloration
Solution Approach 1:
The information plate is merged with the blade body through integrative forming processes (stamping, laser engraving, or injection molding) rather than using separate adhesive materials. This unification eliminates the interface between adhesive and blade surface, preventing both detachment and chemical attacks that cause discoloration.
Solution Approach 2:
The adhesive layer and separate sticker material are completely removed from the solution. Instead, the information plate is formed as an integral part of the blade body structure, extracting the problematic adhesive component entirely from the system.
3Ease of operation
If the information plate is arranged on the blade body, then the information is visible to the user, but the arrangement may interfere with the functional use of the cutting tool
Solution Approach 1:
The information plate is positioned in a specific local area (the bolster region) where it does not interfere with the cutting edge or handle grip. This localized placement optimizes information visibility while preserving the functional qualities of other blade regions.
Solution Approach 2:
The bolster region serves dual functions: maintaining structural integrity of the blade and providing a suitable location for the information plate. This multi-functional use of space ensures the information element does not compromise cutting tool performance.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Prevents information loss and material damage, ensuring the manufacturer and usage details are always identifiable and usable without affecting the cutting tool's functionality.
Implementation Method 1
the information plate is formed by means of laser engraving
Data Source
Figure 1~2
AI summary
Knife comprises a blade body (2) carrying an information sign in the form of an engraving and a handle (6). Preferred Features: The top (4) of the blade body carries the information sign which is formed by laser engraving.