Interlocking Safety Design
Big Top, Small Bottom
One of its unique feature of a trapezium shape is its “Big Top, Small Bottom” construction. The base of the cover is designed smaller than the top (mouth) of the base unit.
How Does It Work?
So, when closed, the cover wraps around the base unit tightly forming an interlocking cooperation.
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During opening, press inwards the thumb hole of the base unit, the top (mouth) of the base unite becomes smaller than the (mouth) of the cover to open.
Operation simplicity and maximum safeties, opening and closing a thousand times..
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C. Box
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“C.Box” design needs more than 10 seconds to close a box
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Weak stacking capabilities
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Leaks are prone to contaminations.
Commonly known as “C.Box” as it is popular in China. This design is difficult to use as the closing process is complicated and slow.
4 sets of Tabs and Slops need to be bending, folded and push into interlock.
4 sets of Tabs and Slops need to be bending, folded and push into interlock.