S shaped twist and prismatic zipper puller principle one: the chain teeth have sizes, teeth have different shapes, but the same zipper left and right sides
Chain teeth must be the same size. The zipper head is varied in shape and can be used as a handle or decoration.
The zipper head also acts as an insurance that will not automatically slide open when the zipper is pulled. The zipper works on a simple principle
Single, that is, two zipper straps through the action of the pull head, so that it can be pulled or pulled at will, or said
Lock and open at will.
S shaped twist and prismatic zipper puller Principle 2: Chain teeth work by each tooth being a small hook that fits into a hole under a small tooth on a strip of cloth next to but opposite it. The zipper is so strong that it can only be unzipped when the slide opens the teeth.
In detail, the matching two chain teeth can be pulled together or pulled apart at will by the action of pulling head. When the puller moves forward, the legs of the two chain teeth on the chain teeth belt are pushed due to the restriction of the shape of the closing Angle of the puller's inner cavity, so as to engage with each other regularly, which forms the closed state of the zipper. When the puller is pulled to the vertex of the zipper, the width after the top stop closes is greater than the width of the narrowest part of the puller's inner cavity, which plays a limiting role in the puller, so that the puller will not fall off from the chain strap. When the puller is pulled back, the teeth of the chain teeth are separated from the valleys one by one due to the splitting Angle (dihedral Angle) formed by the two sides of the cylinder of the puller's inner cavity. When the pull head is pulled to the bottom of the chain, the width of the lower top end (also called the upper and lower yards) is greater than the width of the inner cavity of the pull head and plays a limiting role, so that the pull head will not fall off from the chain belt.
S Shaped Twist And Prismatic Zipper Puller Works
Mar 15, 2023
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