Invention Grant
US08968633B2 Method for manufacturing footwear last, and footwear last manufactured by the method 有权
最后生产鞋类的方法,最后由该方法制造的鞋类

Method for manufacturing footwear last, and footwear last manufactured by the method
Abstract:
Provided is a footwear last, being of a structure where its interior is hollow. The method includes steps of installing a parison for manufacturing a plastic vessel between left/right molds for manufacturing the footwear last, with the left/right molds opened; injecting a last manufacturing material into a tube of the parison; blowing air while closing the left/right molds; molding the material in a temperature of about 400 C to 70° C. and under an injection pressure of about 600 kg/cm2 to 1400 kg/cm2; and completing the last whose interior is hollow.
Information query
Patent Agency Ranking
0/0