Metal Strapping Tool Object Blocker for Stronger Seal Joints
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Solution Overview
Problem
Existing strapping tools face issues with foreign objects inadvertently entering the space between jaws, leading to suboptimal joint strength, potential damage to components, and unexpected joint failure during the sealing process, especially when using jaws to crimp or notch metal straps.
Innovation Solution
A strapping tool that cuts notches into both the seal element and overlapping strap portions, featuring an object-blocking assembly to prevent foreign objects from entering the seal-element-receiving space, ensuring optimal joint strength and preventing component damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If jaws are used to crimp or notch metal straps, then sealing capability is improved, but foreign objects can inadvertently enter the seal-element-receiving space causing joint failure
Solution Approach 1:
An object blocker is introduced as an intermediary component positioned between the jaws and the seal element. This blocker prevents foreign objects from entering the seal-element-receiving space while allowing the sealing operation to proceed normally. The blocker acts as a protective mediator that filters out harmful contaminants before they can interfere with the sealing process.
Solution Approach 2:
The object blocker is positioned in advance within the seal-element-receiving space to preemptively prevent foreign object contamination. By establishing this protective barrier before the sealing operation begins, the system proactively eliminates the risk of foreign object interference rather than reacting to it after contamination occurs.
2Ease of operation
If the seal element receives space is open for easy insertion, then ease of operation is improved, but foreign objects can enter causing component damage
Solution Approach 1:
The object blocker serves as a protective intermediary that does not obstruct the normal insertion of the seal element and strap. It is positioned and dimensioned to allow legitimate components to pass through while blocking foreign objects. This mediator enables easy operation for intended uses while preventing harmful contamination.
Solution Approach 2:
The blocking feature is localized to specific areas where foreign objects are most likely to enter, rather than creating a complete barrier that would impede operation. The object blocker is strategically positioned at the critical seal-element-receiving space while leaving other areas open for normal component insertion and operation.
Data Source
AI summary
Various embodiments of the present disclosure provide a strapping tool configured to tension metal strap around a load and, after tensioning, attach overlapping portions of the strap to one another by cutting notches into a seal element positioned around the overlapping portions of the strap and into the overlapping portions of the strap themselves.