No. 18035. February 10, 1971. Arnold Ordman, Gen. Counsel, Dominick L. Manoli, Associate Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, Leonard M. Wagman, Morton Namrow, Attys., N.L.R.B., Washington, D.C., for petitioner. John T. Weise, Charles J. Griffin, Jr., George J. Matkov, Jr., Chicago, Ill., for respondent; Seyfarth, Shaw, Fairweather Geraldson, Chicago, Ill., of counsel. Before SWYGERT, Chief Judge, KNOCH, Senior Circuit Judge, and PELL, Circuit Judge. KNOCH, Senior Circuit Judge