No. 91-2049. Argued January 17, 1992. Decided August 26, 1992. Robert J. Englehart (argued), N.L.R.B., Contempt Litigation Branch, Washington, D.C., Elizabeth Kinney, N.L.R.B., Region 13, Chicago, Ill., Aileen A. Armstrong, Collis Suzanne Stocking, N.L.R.B., Appellate Court, Enforcement Litigation, Washington, D.C., for petitioner. Leonard R. Kofkin (argued), Fagel Haber, Chicago, Ill., for respondent. Before FLAUM, and MANION, Circuit Judges, and CURRAN, District Judge. Hon. Thomas J. Curran, District