Square bottomed bag folding apparatus

Details Square bottomed bag folding apparatus Square bottomed bag folding apparatus

1974-03-08

1976-03-09

Lake, Roy

93 8R, 93 84TW, B31B 132

Patent

active

039424162

ABSTRACT:
An apparatus for refolding a tapered, transversely sealed, gussetted bag into a gussetted square bottom bag, comprising: opening means whereby the wall portions are formed into distinct walls having a generally rectangular configuration; a rotating main drive assembly; an expandable rectangularly shaped member mounted to said rotating assembly; gripping means mounted to said rotating assembly for pulling said bag, open end first, around said rectangularly shaped member; means for expanding said member as said bag is pulled around said member thereby forming a rectangularly shaped bag bottom; means for gussetting said side walls toward each other in a plane generally parallel to said seal; and means for gusseting said rectangularly shaped bag bottom in a plane generally perpendicular to said seal.

REFERENCES:
patent: 830259 (1906-09-01), Stanley
patent: 3313216 (1967-04-01), Piazze
patent: 3379101 (1968-04-01), Piazze
patent: 3479930 (1969-11-01), Peppler

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