(57) The packaging carton (10) of the packed electric lamp (1) has an incision line (30)
through diagonally opposed edges (13') in respective side walls (11, 12 and 11', 12')
adjoining these edges (13'). Boundary lines (31, 32) extend in each of the two side
walls (11, 12 respectively 11', 12') from said incision line (30) to a point P of
the intersected edge (13'), which point lies closer to the first end (14), so as to
define together with the incision line (30) a region of said walls (11, 12 respectively
11', 12') which is flipped over as a fold (33) into the carton (10), thus narrowing
the carton. The lamp may be readily machine-packed in the carton, starting from the
blank of the carton, and displays essential distinguishing marks of its bulb while
the packaging remains closed.
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