Touch Fastening Strips With Grip Tabs for Faster Wrapping
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Solution Overview
Problem
The installation of touch fastening strips, particularly in agricultural applications, is a manual and time-consuming process that requires improvements for faster and more efficient deployment.
Innovation Solution
The design of an elongated touch fastening strip with a lateral tab at one end, allowing for easier manual installation by gripping the tab while wrapping the strip around an object, and a nested die-cutting process to minimize waste and facilitate efficient use of material.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual installation of touch fastening strips is used, then the installation process is simple and requires minimal equipment, but the installation speed is slow and labor-intensive
Solution Approach 1:
The strip is designed to be self-installing through its asymmetric geometry. The head end with extended lateral edge acts as a self-contained installation tool that enables the strip to be quickly installed without requiring separate tools or complex procedures. The installer simply grips the head end and wraps the strip, and the asymmetric shape automatically guides the engagement of fastening elements.
2Loss of substance
If standard rectangular strips are used, then the material utilization is straightforward and cutting is simple, but material waste is significant due to nesting inefficiency
Solution Approach 1:
The strip employs asymmetric geometry where the head end has an extended lateral edge creating an irregular shape. This asymmetry is specifically designed to enable nested arrangement of multiple strips, allowing them to fit together like puzzle pieces with minimal gaps. The asymmetric form factor maximizes material utilization during die-cutting processes.
Solution Approach 2:
Multiple strips are arranged in a nested configuration where smaller or irregularly shaped portions of strips fit into spaces created by adjacent strips. The asymmetric head end design facilitates this nesting pattern, allowing efficient packing of multiple strips from a single sheet of material and minimizing kerf waste.
Data Source
AI summary
An elongated touch fastening strip of flexible material has mutually engageable touch fastener elements carried on the faces of the flexible material to releasably fasten overlapping portions of the fastener material together with the fastening strip wrapped about an object. The strip has a head end that extends asymmetrically toward one side of the fastening strip to form a lateral tab that can be gripped while the strip is wrapped about an object, such as to support growing plants.