D04B11/00—Straight-bar knitting machines with fixed needles
D04B11/26—Straight-bar knitting machines with fixed needles specially adapted for producing goods of particular configuration
D04B11/28—Straight-bar knitting machines with fixed needles specially adapted for producing goods of particular configuration stockings, or portions thereof
D04B11/32—Straight-bar knitting machines with fixed needles specially adapted for producing goods of particular configuration stockings, or portions thereof welts, e.g. double or turned welts