Square bottomed bag folding apparatus

An apparatus for refolding a tapered, transversely sealed, gussetted plastic film bag into a gussetted square bottom plastic film bag, said tapered bag having front and back wall portions generally parallel to said seal, gussetted side wall portions generally transverse to said seal and an open end disposed at the end of said bag opposite said seal, said apparatus comprising:

• a. a shaft;
• b. an expandable rectangularly shaped member mounted for rotation about said shaft;
• c. means for opening plastic film bags for delivery to said expandable member;
• d. feeding means for supplying said bags onto said expandable rectangularly shaped member;
• e. means for expanding the rectangularly shaped member after said bag is placed thereon, thereby forming a rectangularly shaped bag;
• f. means for gussetting said side wall portions toward each other in a plane generally parallel to said seal;
• and
• g. an end tucking means utilized to form a gusset across said rectangularly shaped bag bottom and generally parallel to said seal and toward said open end.