| 摘要 |
1,104,680. Non-metallic tubes. UNIVERSITY OF BIRMINGHAM, and JOSEPH LUCAS (INDUSTRIES) Ltd. 7 Oct., 1966 [18 Oct., 1965], No. 44019/65. Heading F2P. Extruded silicone rubber thread is wound on to a rotatable mandrel to produce a porous tube, the thread being cured and the tube removed from the mandrel. A roller 15 acts on the thread to reduce the diameter thereof so that the tube, which is used as an artificial artery, has the desired texture and porosity. |
