method of joining fabrics waterproof rolled on tristrato or bistrato with or without a complex structure on the side of union or fabrics with hair up on one or two sides.

摘要

A method for impermeably joining laminated three or two layer fabrics either with or without a complex structure on the joining face or fabrics with a raised pile on either one or two faces thereof comprises a preparing step for preparing a fabric material and a welding and sealing step, the fabric preparing step including three operating steps, a cauterizing step, a cutting step and an adhesive applying step.