No. 13743. March 4, 1963. James F. Flanagan, Harold T. Halfpenny, Richard F. Hahn, Mary M. Shaw, Chicago, Ill., for petitioner. Marcel Mallet-Prevost, Asst. Gen. Counsel, Melvin Pollack, Atty., Stuart Rothman, Gen. Counsel, Dominick L. Manoli, Assoc. Gen. Counsel, Judith Bleich Kahn, Atty., National Labor Relations Bd., Washington, D.C., for respondent. Before HASTINGS, Chief Judge, and KNOCH and SWYGERT, Circuit Judges. HASTINGS, Chief Judge. This matter is before us on petition of Trumbull Asphalt