[invention] Milk box of LIF - small invention but wide affect



Normally, in the past (and till now), many milk box (made by paper) is cover by 2 cord: one need spin & 1 need to cover the milk inside. With this type, if the user wants to get the milk inside the box. They need to take off 2 cords: 2 steps required.

With the innovation from LIF: user needs only one step: spin the outer cord.
Kết quả hình ảnh cho LIF milk

Since the outer cord is linked with the inner paper cord by a hard plastic key. So if customer spin the outer cord, the key will spin as well, which open the inside cord at the same time.

This invention now helps millions of customer save effort to open the milk box every day!!!
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