ROBBINS AND MYERS INC <ROBN> 2ND QTR FEB 28 NET Shr profit 11 cts vs loss 1.45 dlrs Net profit 267,000 vs loss 3,458,000 Sales 23.6 mln vs 23.0 mln First half Shr loss 27 cts vs loss 1.91 dlrs Net loss 633,000 vs loss 4,548,000 Sales 46.2 mln vs 49.7 mln Avg shrs 2,382,000 vs 2,381,000 Backlog 26.1 mln vs 36.0 mln