Nos. 18748, 19080, 19162. July 18, 1963. Mark L. Taliaferro, C.V. Stelzenmuller, Birmingham, Ala., for Samuel H. Burr and Perfection Mattress Spring Co. Marcel Mallet-Prevost, Asst. Gen. Counsel, Dominick L. Manoli, Assoc. Gen. Counsel, Melvin J. Welles, Atty., N.L.R.B., Washington, D.C., for N.L.R.B. Jerome A. Cooper, Birmingham, Ala., Michael H. Gottesman, David E. Feller, Jerry D. Anker, Washington, D.C., for the Union. Before RIVES, CAMERON and BROWN, Circuit Judges. JOHN R. BROWN, Circuit Judge

No. 16588. Argued January 22, 1962. Decided June 7, 1962. Petition for Rehearing Denied October 12, 1962. Mr. David Previant, Milwaukee, Wis., with whom Messrs. Hugh Hafer, Seattle, Wash., and David Leo Uelmen, Milwaukee, Wis., were on the brief, for petitioners. Mr. Melvin J. Welles, Atty., N.L.R.B., of the bar of the Court of Appeals of New York, pro hac vice, by special leave of court, with whom Messrs. Stuart Rothman, Gen. Counsel, Dominick L. Manoli, Associate Gen. Counsel, and Marcel Mallet-Prevost