and at least one flap portion coupled to the main panel the method further includes positioning a plate adjacent to the blank the plate having curved edge folding the flap portion relative to the main panel portion about the curved edge of the plate such that the flap portion is coupled to the main panel portion along a curved line thereof application_number US 201313804216 A description referring first to fig1 and 2 the present invention is a new cartoner 10 which can be used to form fill and glue a carton 12 having concave e g tapered sides 14 16 see fig2 with continued reference to fig1 the cartoner 10 of the present invention is an elongated apparatus which includes a loading area 18 at one end the loading area 18 includes a magazine which holds a stack of preformed carton blanks as those skilled in the art are aware carton blanks are made by carton manufacturers who generally deliver the blanks in a collapsed form whereby they can be stacked in a magazine located in the loading area 18 of the cartoner 10 with continued reference to fig1 the cartoner 10 includes means located in the loading area 18 for removing individual collapsed blanks from the magazine and then moving them from the loading area 18 through a series of sections 20 22 24 26 28 of the cartoner 10 where the blanks undergo a series of operations.