Apparatus for stacking and possibly blocking plastic bags

Details Apparatus for stacking and possibly blocking plastic bags Apparatus for stacking and possibly blocking plastic bags

1989-07-05

1990-05-15

Terrell, William

Manufacturing container or tube from paper; or other manufacturi

Container making

Pliable container

414 27, 4147902, 4147904, B31B 2398

Patent

active

049254391

ABSTRACT:
Plastic bag are stacked as they are received from a bag making machine by a radial arm transfer wheel whose suction arms engage the bags by transferring edges thereof and with the ends of the arms so that the bags are pressed onto needles of needle bars on a needle bar basket. The needle bars are rotated, with the bags suspending therefrom the spindling position through an intermediate position into a smoothing and removal position in which the hanging stack is lifted to a horizontal orientation and smoothed by a beam movable above the stack and having a smoothing brush engaging the stack. In this latter position a stripper is shifted past the needle bar therefrom. The stack is carried away by a clamp.

REFERENCES:
patent: 4395252 (1983-07-01), Lehmacher
patent: 4451249 (1984-05-01), DeBin
patent: 4692134 (1987-09-01), dos Santos Copia
patent: 4854928 (1989-08-01), Fukuyama

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