No. 18080. April 16, 1971. Lionel J. Goulet, Des Plaines, Ill., for petitioner. Marcel Mallet-Prevost, Asst. Gen. Counsel, Warren M. Davison, Atty., N.L.R.B., Washington, D.C., Arnold Ordman, Gen. Counsel, Dominick L. Manoli, Associate Gen. Counsel, J.L.A. de Passalacqua, Attys., National Labor Relations Board, for respondent. Before DUFFY, Senior Circuit Judge, KILEY and PELL, Circuit Judges. KILEY, Circuit Judge. Petitioner, U.O.P. Norplex, Division of Universal Oil Products Company (Norplex),