Method and apparatus for producing bags

Details Method and apparatus for producing bags Method and apparatus for producing bags

1985-11-06

1987-10-13

Olszewski, Robert P.

Manufacturing container or tube from paper; or other manufacturi

Container making

Pliable container

493196, 206554, B31D 2398

Patent

active

046996079

ABSTRACT:
A method and apparatus for producing thermoplastic bags from an elongate web. Apparatus for feeding the web includes devices for producing mounting holes and perforations along a circular path surrounding the holes. The web is severed and sealed to produce sheets containing a mounting hole encircled by the perforations. A selected number of successive sheets are impaled on a post projecting through the holes. A stack having a selected number of sheets is accumulated on a post fixed to a support supporting a medial zone of the sheets which are combined by a heated punch penetrating the sheets in the area enclosed by the perforations.

REFERENCES:
patent: 4181069 (1980-01-01), Porter
patent: 4342564 (1982-08-01), Lehmacher
patent: 4406371 (1983-09-01), Membrino
patent: 4451249 (1984-05-01), DeBin
patent: 4468276 (1984-08-01), Membrino

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