No. 17990. October 18, 1968. J. Mack Swigert, Cincinnati, Ohio, for petitioner. William H. Carder, N.L.R.B., Washington, D.C. (Arnold Ordman, Gen. Counsel, Dominick L. Manoli, Associate Gen. Counsel, Marcel Mallet-Prevost, Asst. Gen. Counsel, Warren M. Davison, Atty., N.L.R.B., Washington, D.C., on the brief), for respondent. Before O'SULLIVAN, PHILLIPS and PECK, Circuit Judges. PECK, Circuit Judge. Westchester Plastics of Ohio, Inc., the petitioners to this court, and the Union, United Electrical