Improvements in and relating to apparatus for extruding rubber and like articles

Abstract

Abstract 380,178. Extruding rubber tubes &c. DUNLOP RUBBER CO., Ltd., 32, Osnaburgh Street, London, and WILLSHAW, H., Fort Dunlop, Birmingham. June 29, 1931, No. 18703. [Class 87 (ii).] A machine for extruding rubber &c. tubes or other rubber &c. articles comprises a series of extrusion nozzles each provided with its own feeding or forcing means, and each being fed from a supply peculiar to itself. The feeding means may be screws 7 which may be intergeared and driven by a motor. The screws are in communication with independent feed hoppers. Fluid may be circulated through jackets round the nozzles and/or through the interior of the screws to heat or cool these parts. Circulation through the screw takes place through an inner tube 17 with return flow between the tube and the interior of the screw.

Inventors

No inventors recorded.

Bibliographic Details