| 摘要 |
PCT No. PCT/SE89/00003 Sec. 371 Date Jul. 6, 1990 Sec. 102(e) Date Jul. 6, 1990 PCT Filed Jan. 11, 1988 PCT Pub. No. WO89/07486 PCT Pub. Date Aug. 24, 1989.Apparatus for treating material mixtures such as fiber mixtures is disclosed, including conically shaped corresponding inner and outer members defining a gap between their treating surfaces and being relatively rotatable with respect to each other, with at least one of the inner and outer treating surfaces including longitudinally extending grooves, and cleaning wings for cleaning the grooves protecting into the grooves and being movable along the grooves in order to do so. |
