Coil Inner Edge Protector Mechanical Attachment
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Solution Overview
Problem
Existing methods for packing coils or rolls require significant manual labor and use adhesives, which are costly, unhealthy, and difficult to unpack, and often result in inner edge protectors falling off due to stored elastic energy.
Innovation Solution
A method and system using a coil or roll packing machine to expand and secure an inner edge protecting element into the coil or roll, eliminating the need for adhesives by mechanically attaching overlapping portions with devices like welding, riveting, or punching, and allowing for automatic operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If manual labor is used to arrange and attach packaging materials with adhesives, then the inner edge protector can be attached to the coil, but the process requires significant manual labor which causes high costs and health issues
Solution Approach 1:
The packaging material is designed to attach itself to the coil through self-adhesive properties or mechanical interlocking features, eliminating the need for manual application of adhesives or mechanical fasteners. The material automatically secures to the inner edge of the coil when positioned correctly
Solution Approach 2:
The patent replaces manual mechanical attachment methods (adhesive application, taping, riveting) with an automated system that uses controlled dispensing and positioning mechanisms to apply packaging materials precisely where needed, reducing manual labor while maintaining secure attachment
2Reliability
If adhesives are used to attach the inner edge protector, then the packaging material can be secured to the coil, but the adhesives are toxic, messy, and make unpacking difficult
Solution Approach 1:
The patent removes harmful adhesives from the packaging system entirely, replacing them with safe, non-toxic alternative attachment mechanisms such as mechanical interlocks, friction-fit designs, or food-safe adhesives that eliminate health risks and cleanup requirements
Solution Approach 2:
The packaging material is designed to be easily removable and reusable or recyclable without residue from toxic adhesives. The design allows for clean separation of packaging from the coil, enabling recovery and recycling of both the packaging material and the coil surface
3Reliability
If the inner edge protector is expanded into the coil, then secure attachment is achieved, but the device complexity increases
Solution Approach 1:
The inner edge protector is designed with dynamic characteristics, allowing it to be compressed to a smaller diameter for easy insertion into the coil, then automatically expand to its full diameter once inside to provide secure attachment. This dynamic transformation simplifies the overall process by eliminating complex expansion mechanisms
Solution Approach 2:
The packaging material automatically expands to its functional shape after insertion into the coil, using its own elastic properties or stored mechanical energy to achieve the expanded configuration without requiring external actuation mechanisms, thereby reducing device complexity
Data Source
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AI summary
A method for packing a coil or roll (10), a coil or roll packing arrangement (100), and a coil or roll packing system (300) are presented. The method may comprise providing (1010, 1020) the coil or roll (10), and an inner edge protecting element (11 ). The method may further comprise adapting (1030) the inner edge protecting element (11 ) to overlap at two portions (12A, 12B) thereof, thereby forming a closed shape. The method may further comprise arranging (1040), by a coil or roll packing machine, a portion of the inner edge protecting element (11 ) into an inner space (ISP) of the coil or roll (10), and increasing (1050), by the machine, the first diameter (D) so that at least part of the portion becomes in contact with the inner surface (IS). The method may comprise mechanically securing (1060), by the machine, the inner edge protecting element (11 ) at the two portions (12A, 12B) to provide an inner edge protector (13).