An invisible zipper is called an invisible zipper. It is a repetitively opened and closed two flexible connecting pieces that can be engaged with each other. The product of its zipper is called "invisible zipper" because of its similar color to the connecting piece. The use of invisible zipper involves the clothing and supplies of men, women and children from all over the world, and has become an important clothing accessory in the world today.

Installation method of invisible zipper:

a. Preliminary preparations

When installing the invisible zipper, we need to make some preparations in advance in order to achieve better results.

1) Select the zipper

According to needs, the length of the selected zipper is slightly longer than the actual required length.

2) Hot-bonded interlining

Before installation, attach a layer of thinner adhesive liner with a width of about 3~4cm and a length longer than the length of the zipper opening of 3~4cm, especially for sewing lighter fabrics, which has a good effect on sewing. And appearance will help a lot

3) Unzip the zipper

Before installing the zipper, unzip the zipper and iron the zipper teeth with a low-temperature iron to expose the zipper teeth roots.

4) Install the presser foot

Remove the presser foot first, and then install the unilateral presser foot or grooved presser foot to the presser foot rod

b. Install zipper

Hidden form is an easy and fast way to install the zipper, because don't thread the front, pull the zipper first when installing the zipper, first install the left zipper, from the top to the end of the zipper, put the thread as close as possible to the teeth of the zipper The root, starting from the lower end of the zipper, to the other side of the zipper, pay attention to the same height, so as to achieve the effect of "disappearing" from the front view of the piece, and then sew the piece.