DEVICE FOR CONTINUOUS MANUFACTURING COMPOSITE CURVILINEAR TUBES Russian patent published in 1994 - IPC

FIELD: mechanical engineering. SUBSTANCE: device has a mandrel which, in turn, has stationary and movable sections 2 and 3 respectively, a positioning mechanism of movable section 3, glass ribbon layer 4, polymerization chamber 23, cutting mechanism 24. The positioning mechanism of movable section 3 is made in the form of power cylinders 7 hinged to stationary and movable sections 2 and 3, and return springs 9 fastened to sections 2 and 3 at an angle to the mandrel axis. A working medium is fed respectively to chambers 21 of stops 20 of movable section 3 and power cylinders 7 by unit 10 and control device 11 through manifolds 13, 22 and 25 for periodical clamping and drawing a tube section formed on stationary section 2 of the mandrel. EFFECT: facilitated manufacture and simplified structure. 4 dwg