| 主权项 |
1. A coating machine for coating fiber yarns, comprising:
a yarn supply device to supply at least one fiber yarn which travels along a yarn path; a coating device including:
a tank for receiving a coating material and disposed to permit the yarn path to extend thereover in a straight line,a drum rotatably disposed in said tank and having an outer circumferential surface which is rotatable between a topmost position, where a tangent line of an uppermost region of said outer circumferential surface is parallel to the yarn path, and a bottommost position, where a lowermost region of said outer circumferential surface is immersed in the coating material, andat least one annular groove formed circumferentially in said outer circumferential surface of said drum to permit the yarn path to pass through said annular groove in proximity to the topmost position such that when said outer circumferential surface is rotated to move from the bottommost position to the topmost position, the coating material is configured to adhere within the at least one annular groove and be drawn up in the at least one annular groove by movement of said lowermost region to the topmost position, thereby permitting the fiber yarn to be coated on all sides with the coating material; a thickness adjuster disposed downstream of said coating device, and including an adjuster support and at least one adjusting die mounted movably to said adjuster support, said adjusting die including a through hole which is oriented to be aligned with the yarn path that extends over said tank so as to permit passage of the coated fiber yarn therethrough, said through hole having an upstream inlet end and a downstream outlet end and being tapered from said upstream inlet end to said downstream outlet end; a shape-setting device disposed downstream of said thickness adjuster for setting the shape of the coated fiber yarn, said shape-setting device including a heating unit controllable to operate at a predetermined temperature for heating the coated fiber yarn; a cooling device disposed downstream of said shape-setting device for cooling the coated fiber yarn; and a yarn pick-up device disposed downstream of said cooling device for collecting the coated fiber yarn. |
