. . ", respectively, of FIG. 3 and showing successive stages in the installation of the grommets; FIG. 8 is an enlarged fragmentary sectional view of the locating and forming assembly of the machine of FIG. 1; FIG. 9 is an isometric view of the first grommet forming die; FIG. 10 is an isometric view of the second grommet forming die; FIG. 11 is an isometric view of the grommet and retaining plate prior" . .