No. 7215. Argued June 15, 1956. Decided July 30, 1956. Robert Cohn, Atty., National Labor Relations Bd., Winston-Salem, N.C. (Theophil C. Kammholz, Gen. Counsel, David P. Findling, Assoc. Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, and Frederick U. Reel, Atty., National Labor Relations Bd., Washington, D.C., on brief), for petitioner. Whiteford S. Blakeney, Charlotte, N.C. (J.W. Alexander, Jr., Charlotte, N.C., on brief), for respondent. Before PARKER, Chief Judge, SOPER, Circuit Judge