Basic overview: Invisible zipper English name for the "Invisible zipper", by the chain of teeth, pull head, limit code (front and rear yards) or lock components. One element is a key part of the chain, which directly determines the zipper side pull strength. General invisible zipper has two chain belt, each piece of chain belt has its own chain of teeth, two rows of teeth are staggered. Pull the first folder on both sides of the chain of teeth, sliding with the pull tab, you can make both sides of the tooth meshing or disengagement. Invisible zipper is mainly used in down jackets, jeans, leather, high-end jackets, winter clothes and so on.

    Note: invisible zipper is a certain strong performance of the accessories, must be used properly, so you can extend the service life, or easily damaged. Pull together invisible zipper can not be forced, because this force will often be much more than the zipper promised load force.
    Pull the zipper, such as blocking phenomenon occurs when the card should pull back to withdraw a certain interval, and then move forward. There may be detachment of the fastener element, skew of a single element, and disengagement of the two fastener elements.
   You know "should you pay attention to the installation of hidden zipper what? ", Many people installed invisible zipper, the invisible effect is not very good, this is the installation did not do a good job. Dongguan YFA zipper factory to introduce you to install the hidden zipper points:

    1, to determine the location of hidden zipper installed, pull the front end and the net India match. This seam out after the zipper can not be skewed.
    2, to determine the location, we use the pin to the invisible zipper seam head and zipper fixed. Before fastening, fasten the center of the slider and the side seam. Check the left and right alignment marks, in the zipper teeth fixed on the edge of the comb. The advantage of this is that the zipper is not dislocated during the sewing process.
    3, will be pulled to the zipper pull the first stop at the bottom, here to note that the opening is only a distance from the bottom of the zipper. Yifeng zipper factory Tips: pay attention to its processing do not pull too far.
    4, the use of invisible zipper-specific pressure foot, lift the zipper teeth, seam to the opening only, this step is nothing important.
    After sewing, counterclockwise loosen the big nut, remove the original pressure foot and bracket, to this step is to do a good job. There is the final step is fitted with stealth pressure foot, tighten the big nut. Most non-original presser feet should be installed in this way.
    5, the ultimate installation of the invisible zipper on the clothes, check, there is no zipper there is no skew, there is no wrinkle and the like, if not, then you're done.

 Product Name: Invisible zipper
Features: more robust, high cost, and more for jeans, jackets and backpacks.
Product Description: YFA factory specializing in the production of hidden zipper.