DEVICE FOR COATING APPLICATION Russian patent published in 1996 - IPC

FIELD: devices of concentric application of coatings to various threads, particular, application of coatings to light guide fibers in the course of its drawing from blank. SUBSTANCE: device for coating application has cylinder with cover and central hole in cover and bottom, hollow rod with conical tip spinneret with spherical members in the upper and lower parts. Device also has appliance for supply of gas to the cylinder, plate of flexible material, additional reservoir for coating material installed on the rod upper part and regulating handle. Cylinder bottom has cylindrical branch pipe with recess for installation of spinneret. Regulating handle is located above the cylinder cover and is connected with rod by means of thread. EFFECT: higher efficiency. 2 dwg