process and apparatus for assembling of socks with underwear with a backup is similar to a rear panel insert

摘要

A method for sewing panty hose with a backpanel-like gusset inserted includes steps of cutting inner thigh portion of left-and-right aligned cylindrical hose materials and thereafter inserting the backpanel-like gusset material to a position ranging from rear portion to inner thigh portion of the panty part. The backpanel-like gusset material is folded into two and inserted into between the upper middle clamp and the lower middle clamp of a pair of left and right clamp groups. After the cutting of the gusset material, upper edge portion and lower edge portion of the gusset material inserted between the upper and lower middle clamps are sewn individually to cut edges of the hose materials.