| 摘要 |
819,966. Metal pipes. UNITED KINGDOM ATOMIC ENERGY AUTHORITY. April 3, 1957 [April 3, 1956; June 15, 1956; Aug. 15, 1956 ; Nov. 23, 1956], Nos. 10153/56, 18516/56, 24901/56 and 35999/56. Drawings to Specification. Class 99(2). [Also in Groups XXI, XXV, XXX and XL(a)] A cable supporting a lifting device for use in a nuclear reactor (see Group XL(a)) comprises a central bellows shaped seamless tube for conveying pressure gas, the tube being covered by stainless steel braiding covered by a layer of asbestos. P.T.F.E. insulated electric conductors are wound around the asbestos, the conductors being covered by a silicone rubber moulding covered by silicone varnished temperature resistant fabric braiding. |
