No. 77-1418. Argued October 26, 1977. Decided February 17, 1978. James S. Whitehead, Lawrence I. Kipperman, Chicago, Ill., for petitioner. Elliott Moore, Deputy Associate Gen. Counsel, Marjorie Gofreed, William F. Wachter, Attys., National Labor Relations Board, Washington, D.C., for respondent. Petition for review from the National Labor Relations Board. Before SWYGERT and BAUER, Circuit Judges, and CAMPBELL, Senior District Judge. Senior District Judge William J. Campbell of the Northern District