Cargo Container Zipper Holder for Fast Field Replacement
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Solution Overview
Problem
Existing cargo container zipper systems require time-consuming and costly replacement processes when damaged, leading to downtime and increased maintenance costs.
Innovation Solution
A zipper closure system for cargo containers featuring a holder with a two-part fastening system that allows for quick replacement of zippers without unsewing and resewing, utilizing a hook and loop fastening system for enhanced security and durability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a zipper is sewn to the fabric door edge, then the zipper provides secure closure, but replacing a damaged zipper requires time-consuming unsewing and resewing operations
Solution Approach 1:
The zipper assembly is segmented into three distinct components: the zipper chain itself, the tape width, and the holder. This segmentation allows the zipper chain to be replaced independently without removing the holder from the fabric door, enabling quick replacement by simply detaching and reattaching the chain to the holder.
Solution Approach 2:
The holder is extracted and permanently attached to the fabric door edge, separating it from the replaceable zipper chain. This extraction allows the zipper chain to be quickly swapped by simply engaging or disengaging it from the holder without any sewing operations.
2Strength
If high tenacity fibers are used for curtains, then resistance to puncture and damage increases, but the curtains become more difficult to repair when damaged
Solution Approach 1:
The closure system is segmented into the fabric door, the holder attached to the door edge, and the zipper chain. This segmentation isolates the high-strength fabric door and holder from the replaceable zipper chain, allowing the durable fabric components to remain intact while only the damaged zipper chain needs replacement.
Solution Approach 2:
When the zipper chain becomes damaged, only the chain itself is discarded and replaced, while the expensive high-tenacity fabric door and holder are recovered and reused. This minimizes waste of high-value materials and reduces repair costs.
3Reliability
If zippers are securely sewn to fabric doors, then closure reliability is maintained, but maintenance costs and downtime increase due to complex replacement procedures
Solution Approach 1:
The zipper system is divided into a permanent holder component attached to the container and a replaceable chain component. This segmentation enables maintenance crews to quickly swap damaged zippers by simply detaching and reattaching chains to holders, dramatically reducing container downtime compared to traditional sewing-based replacement methods.
Solution Approach 2:
The holder is pre-attached to the fabric door edge during manufacturing, establishing a permanent mounting structure. This preliminary action eliminates the need for time-consuming sewing operations during field replacement, as operators only need to engage or disengage the zipper chain from the pre-positioned holder.
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
Enables rapid zipper replacement with reduced downtime and maintenance costs, maintaining operational efficiency and reducing inventory complexity.
Implementation Method 1
utilizing a hook and loop fastening system for enhanced security and durability
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
A zipper closure for a panel includes a holder and a first zipper. The holder includes an attachment tab, a first wing, and a second wing. The attachment tab is configured to attach to a panel. The first wing includes a first securement segment and the second wing includes a second securement segment that opposes the first securement segment. The first zipper includes a chain and a zipper tape. The zipper tape extends in a direction away from the chain and includes a first surface that has a third securement segment attached thereto and includes a second surface that is opposite the first surface and has a fourth securement segment attached thereto. The fourth securement segment is engaged with the first securement segment and the third securement segment is engaged with the second securement segment to releaseably secure the first zipper to the holder.