Package forming web folder

Details Package forming web folder Package forming web folder

1981-03-24

1985-01-22

Culver, Horace M.

Package making

Progressively seamed cover web or web folds

With closing of web between package units

493302, 493440, B65B 906

Patent

active

044943628

ABSTRACT:
A travelling web made of packaging film is folded about collated sheets of material in response to a reversal in travel direction of the web about an arrangement of three guide edge segments. Two of the guide edge segments on either side of the intermediate guide edge segment form parts of two triangular folding guide members through which the web is folded into transversely overlapping portions overlying an intermediate portion reversed in travel direction by the intermediate guide segment.

REFERENCES:
patent: 516186 (1894-03-01), Crowell
patent: 3303630 (1967-02-01), Harm
patent: 3420035 (1969-01-01), Deans et al.
patent: 3426499 (1969-02-01), Paige
patent: 3532516 (1970-10-01), Erekson
patent: 3653177 (1972-04-01), Adams et al.
patent: 3664088 (1972-05-01), Sherman
patent: 3732789 (1973-05-01), Hartleib
patent: 4084999 (1978-04-01), Rucker
patent: 4216638 (1980-08-01), Yoshida
patent: 4430845 (1984-02-01), Dohrendorf

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