Wenderoth, Lind & Ponack
Folding insert for forming a jacket
 A folding insert for forming a jacket to be used for a device to form a envelope-shape jacket for a magnetic cartridge. The folding insert is provided with protrusions and grooves along both side edges thereof, whereby flaps of the jacket material can be bent more than 180.degree. by a folding bar along the protrusions of the folding insert. 
O-M Limited
B B
B31B B31B
inventional inventional
Akira Yoshinobu
Tada Mori