SEAL INC <SINC.O> 2ND QTR APRIL 30 NET Shr profit 29 cts vs loss six cts Net profit 645,000 vs loss 118,000 Sales 7,802,000 vs 4,330,000 1st half Shr profit 58 cts vs profit 10 cts Net profit 1,255,000 vs profit 212,000 Sales 14.5 mln vs 8,912,000 Avg shrs 2,183,150 vs 2,072,779