| 摘要 |
PURPOSE:To obtain a suitable non-fan-shaped column-like spray current for the confounding of fiber sheet by injecting the water current through an injection nozzle wherein the shape of an orifice is a slender circle, a triangle and a square or the like. CONSTITUTION:The water current is injected to form the non-fan-shaped column- like spray current through an injection nozzle wherein the shape of an orifice is selected from a slender circle (except a convex lens type) (a), a square (b), a triangle (c), a cross type (d), a circular arc-like slit type (e), a star type (f), a T type (g) and a Y type (h). When the water current treatment is used for the confounding of fiber sheet, the effective confounding is obtained and thereby the surface having no struck unevenness and roughness is obtained. |
