The white semi-finished zipper chain will be dyed and tidied into colorful product. Sometimes a steel zipper will be coated with brass or zinc, or it might be painted to match the color of the cloth tape or garment. The cloth tapes are either made from polyester or a blend of both.
A round wire is sent through a rolling mill, shaping it into a Y-shape. This wire is then sliced to form a tooth whose width is appropriate for the type of zipper desired. The tooth is then put into a slot on a rotating turntable to be punched into the shape of a scoop by a die.
Zippers are among the handful creations that have reduced human effort and time.
Maintaining the position of zippers is definitely a task. However hard it seems, there are various ways to keep the sliders from falling off the teeth. Stops are the elements that will help in keeping the zippers stable.
There are two types of stops : 1. H-Bottom and 2. Top Lock
H-bottom stops are placed on the bottom side of the zippers. H-bottom stops are to prevent the movement of half of the zipper from separation. H-Bottom stops are components attached to the bottom end of zippers. They are used to stop further movement of the zipper halves from separating.
Top Lock are attached to the top side of the zippers. Top Lock are used for preventing the zipper sliders from falling off the chain. Top Lock are components attached to the top end of zippers. They are used to stop the zipper sliders from sliding off the chain.