Nos. 75-1852, 75-1853. Argued April 16, 1976. Decided August 17, 1976. George P. Blake, Chicago, Ill., Kenneth C. McGuiness, Washington, D.C., for petitioner. Richard D. Hicks, Milwaukee, Wis., Thomas D. Allison, Chicago, Ill., for intervenor. Elliott Moore, Deputy Assoc. Gen. Counsel, Michael S. Winer, Roger T. Brice, N.L.R.B., Washington, D.C., for respondent. Review from the National Labor Relations Board. Before FAIRCHILD, Chief Judge, PELL, Circuit Judge, and NOLAND, District Judge. Judge James