Apparatus for manufacturing bags made of plastic material

Details Apparatus for manufacturing bags made of plastic material Apparatus for manufacturing bags made of plastic material

1988-07-19

1989-10-03

Schmidt, Frederick R.

Manufacturing container or tube from paper; or other manufacturi

Container making

Pliable container

493204, B65H 3506

Patent

active

048713465

ABSTRACT:
The apparatus for manufacturing bags in plastic material comprises a welding assembly having a pair of fixed jaws and a jaw which is movable therebetween for clamping respective alternately advancing tubular bands made of plastic material. A cutting element, carried by a flexible belt rotatable on the movable jaw, is adapted to cut the bands upon clamping the movable jaw on the fixed jaws. An assembly for extracting and accumulating the bags is provided with a plurality of needles at each fixed jaw and actuated with reciprocating motion in the direction of sliding of the movable jaw so as to penetrate a bag clamped between the jaws. The apparatus also comprises a fork for placing the bag adjacent to the previously produced bags supported on the needles, and a slider for unloading a pack of manufactured bags.

REFERENCES:
patent: 4128049 (1978-12-01), Lehmacher
patent: 4490207 (1984-12-01), Achelpohl
patent: 4734088 (1988-03-01), Achelpohl et al.
patent: 4758214 (1988-07-01), de Bin

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