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Original comparison
The video compares the original factory hose with the improved replacement design.
Back to Inside Our WorkFrom a welded hose
Product Improvement Video
From a welded hose
to one-piece molding.
A visual summary of the product comparison and design improvement shown in our English-dubbed video.
Key Takeaways
What the video demonstrates.
The original construction relies on a welded joint. The revised component uses one-piece molding to create a continuous hose without a welding seam.
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Why the weld seam matters
The original hose is made from two sections joined by friction welding. Repeated heating and cooling can make the seam more vulnerable to leakage.
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One-piece molding
The improved hose is formed as one continuous component, removing the need for a friction-welded joint.
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No welding line
The visible line is the mold parting line, not a weld. The inspected connection area has no welded seam.
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Cross-section check
A cut-section inspection shows a continuous wall and supports the revised construction approach.
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Product improvement focus
The design change targets leakage risk associated with thermal expansion and contraction.
Product Development
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