No. 85-1440. Submitted January 8, 1986. Decided July 9, 1986. Elliott Moore, N.L.R.B., Washington, D.C., for petitioner. Fred Gants, Madison, Wis., for respondents. Petition for review from the National Labor Relations Board. Before BAUER, WOOD and COFFEY, Circuit Judges. COFFEY, Circuit Judge. The National Labor Relations Board granted summary judgment against the respondents' holding that the respondents failed to demonstrate good cause excusing an untimely answer and finding that several affiliated