PURPOSE: To improve productivity arranging a number of funnel and panel end faces at the same intervals before each funnel and panel are supplied to each funnel and panel chucks of a depositing device.

CONSTITUTION: The end face 14 of the funnel 11 is placed on the side surface 13 of the retaining plate body 10 and fixed by the retaining piece 15. The end face of the panel 12 is placed on the side surface of the retaining plate body 10 and fixed by the retaining piece 18. As described above, by retaining a number of funnels 11 and panels 12, the cylinder 19 is actuated and the retaining plate body 10 is let to fall. Subsequently, by actuating the cylinder 24, each funnel 11 and panel 12 are supplied to each funnel and panel chucks of the depositing device 30. After that, both end faces of each funnel 11 and panel 12 are heated, fused, and deposited.