METHOD OF PRODUCTION OF DISPERSED FIBER FITTINGS AND DEVICE FOR METHOD EMBODIMENT Russian patent published in 2003 - IPC

FIELD: production of fittings with preset anchoring properties from sheets. SUBSTANCE: method includes cutting of strip blank into cut strip lengths by fixed knife and rotating milling tool with inserted cutting knives. The latter are made with rectilinear and curvilinear in tangential direction sections of cutting edges. Operations of cutting and bending of anchor sections are carried out by simultaneous action of said sections of cutting edges on strip blank. Rear face of each of said inserted cutting knives has nonrelieved cylindrical strap, and front surface has radial groove with cross-section corresponding to preset configuration of anchor sections of fittings. EFFECT: higher output and quality of produced fittings. 3 cl, 6 dwg