Folder

Details Folder Folder

1989-08-15

1990-10-02

Spruill, Robert L.

Package making

Closing packages and filled receptacles

Package or receptacle having closure flap, e.g., carton...

B65B 702

Patent

active

049599453

ABSTRACT:
A folder for use in a variety of applications, being especially well suited for folding a sheet of overwrap around a stack of paper pulp sheets, includes three stationary folder sections and an extensible folding plate which performs the back tucking function. The plate is arranged to fold the back edge inwardly as the bale is moved along a conveyor line. After the rear edge has been folded inwardly, the bale slides past three stationary folder devices which in turn fold the front, bottom and top flaps of the overwrap. The folded package is then secured by conventional strapping techniques.

REFERENCES:
patent: 2584529 (1952-02-01), Allen
patent: 2634564 (1953-04-01), Bergstein
patent: 2909875 (1959-10-01), Imbs
patent: 3110144 (1963-11-01), Johansen et al.
patent: 3213591 (1965-10-01), Feurstein et al.
patent: 3869846 (1975-03-01), Timmerbeil
patent: 4098057 (1978-07-01), Holcomb
patent: 4215522 (1980-08-01), Clift et al.
patent: 4348853 (1982-09-01), Morse et al.

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