Method and apparatus for the automatic manufacture of flat botto

Details Method and apparatus for the automatic manufacture of flat botto Method and apparatus for the automatic manufacture of flat botto

1984-12-31

1990-01-09

Schmidt, Frederick R.

Manufacturing container or tube from paper; or other manufacturi

Container making

Pliable container

493250, B31B 3328

Patent

active

048925110

ABSTRACT:
A method and apparatus for the automatic manufacture of flat bottom bags from a substantially continuous supply of a sealable material whereby the material is formed as a bag having a reinforced sealed flat bottom formed by an interior bag forming assembly that is cooperable with a relatively movable folder assembly that folds the bottom of the bag and removes it from the bag former assembly after a length of the bag is severed from the remainder of the material.

REFERENCES:
patent: 685805 (1901-11-01), Ward
patent: 813207 (1906-02-01), Hesser
patent: 2412501 (1946-12-01), Gardner
patent: 3083618 (1963-04-01), Vergobbi
patent: 3772116 (1973-11-01), Schaffron
patent: 3916770 (1975-11-01), Hanson
patent: 3988970 (1976-11-01), Hanson et al.
patent: 4230030 (1980-10-01), Hanson et al.

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