Patent ID: 7765663

Claim:
A method for manufacturing a chair seat, wherein borders of said chair seat is injection molded by two steps, comprising below steps: a. preparing material: net cloth, inner border injecting mold, outer border injecting mold and plastic; b. injecting inner border: warming up said inner border injecting mold, simultaneously heating up said plastic, and injecting said plastic into said inner border injecting mold when its temperature reaches the injecting temperature; c. installing said net cloth: cutting out said net cloth according to the size of said inner border, reserving 2-3 centimeter around said net cloth, impacting the edge of said net cloth into said inner border, and then cutting redundant net cloth; d. injecting outer border: warming up said outer border injecting mold, simultaneously heating up said plastic, inserting said inner border with impacted net cloth into said outer border injecting mold, and injecting said plastic into said outer border injecting mold when its temperature reaches the injecting temperature.