No. 81-2356. Argued March 31, 1982. Decided August 2, 1982. Lawrence J. Casazza, Vedder, Price, Kaufman Kammholz, Chicago, Ill., for petitioner. James D. Donathen, Elliott Moore, NLRB, Washington, D.C., for respondent. Petition for review from the National Labor Relations Board. Before CUMMINGS, Chief Judge, NICHOLS, Judge, and CUDAHY, Circuit Judge. The Honorable Philip Nichols, Jr., Judge of the United States Court of Claims, is sitting by designation. CUDAHY, Circuit Judge. This case is before