| 摘要 |
PCT No. PCT/BE96/00103 Sec. 371 Date May 26, 1998 Sec. 102(e) Date May 26, 1998 PCT Filed Oct. 1, 1996 PCT Pub. No. WO97/14010 PCT Pub. Date Apr. 17, 1997The invention relates to a rotating oven with a horizontal or inclined drum, of which at least the inner part is composed of a fireproof material and which is pivotably mounted around its longitudinal axis. The drum contains a tubular element (1) of a fireproof material which is composed of a succession of each other supporting co-axial rings (2), which element (1) is brought under an axial stress starting from its both extremities (6), in order to obtain a self supporting prestressed entity. |
