Patent ID: 11963566

Abstract:
The present disclosure provides a preparation method of a hair weft, including: batching hair strands according to a target weight to obtain a hair handle; forming a first quilting line and a second quilting line on a top of the hair handle with a double-needle sewing machine to obtain the hair weft; forming a third quilting line between the first quilting line and the second quilting line of the hair weft with a single-needle sewing machine; pasting a tape along the third quilting line to cause the tape to cover the hair weft; applying a glue between the first quilting line and the third quilting line, and drying the hair weft; cutting the hair weft along the first quilting line; soaking the hair weft in a softener; and putting the hair weft into a centrifuge for dehydration and shaking, and combing the hair strands.