| 摘要 |
PCT No. PCT/SE80/00056 Sec. 371 Date Oct. 1, 1980 Sec. 102(e) Date Oct. 1, 1980 PCT Filed Feb. 28, 1980 PCT Pub. No. WO80/01923 PCT Pub. Date Sep. 18, 1980.A metal pipe, which is to be protected from high temperature and from the attack of molten metals and slags, is protected by an exterior lining consisting of a refractory ceramic composition which has been moulded between two coaxially placed tubes. The inner tube and preferably also the outer tube is a thin-walled metal tube permitting the lining to slide on the metal pipe on thermal movements.
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