No. 18910. Argued June 25, 1970. Decided September 17, 1970. John J. Kirk, Kirk Botula, Pittsburgh, Pa., for appellants. Leonard L. Scheinholtz, Reed, Smith, Shaw McClay, Pittsburgh, Pa., for appellees. Before WINTER, ALDISERT and GIBBONS, Circuit Judges. Circuit Judge of the Court of Appeals for the Fourth Circuit, sitting by designation. OPINION OF THE COURT ALDISERT, Circuit Judge. At issue here is the propriety of a preliminary injunction entered by the district court enjoining appellants from

Nos. 20791-21332. October 2, 1964. Rehearings Denied December 21, 1964. Mark L. Taliaferro, C.V. Stelzenmuller, Birmingham, Ala. (Moore, Thomas, Taliaferro, Forman Burr, Birmingham, Ala., of counsel), for petitioner, Deaton Truck Line, Inc. Marcel Mallet-Prevost, Asst. Gen. Counsel, Dominick L. Manoli, Assoc. Gen. Counsel, Allison W. Brown, Jr., Atty., Washington, D.C., for respondent. L.N.D. Wells, Jr., David R. Richards, Dallas, Tex., for Teamsters, Chauffeurs, Warehousemen Helpers, Local Union