Apparatus for manufacturing film cartridge and for feeding plate material

A film cartridge assembling apparatus for assembling a film cartridge made up by a ribbon plate holding a photographic roll film therein, and a cap, said apparatus comprising:

• one or more assembly chucks each including two die elements formed by combining partial cylindrical inner surfaces thereof together, the circumference of a resulting cylinder being partially cut to form an opening;
• one of said die elements including a member having a flat surface extending from an end of the cylindrically-shaped inner surface, said member being adjustably mounted to said one die element;
• the other of said die elements including an edge member having an edge end facing said one die element, said edge member being adjustably combined with the end of the cylindrical inner surface of said other die element;
• said two die elements being able to assume a closed state in which the two inner surfaces of said two die elements are matched to each other to form a cylindrical inner surface and an opened state in which ends of said two die elements substantially parallel to the center axis of the cylindrical inner surface are spaced apart from each other;
• an angle between a line interconnecting said center axis and the edge end and a line interconnecting a boundary line between the cylindrical inner surface and said flat surface and the center axis in a transverse cross-section in said closed state is not less than 25° and not larger than 50°.