Method and apparatus for automatically packaging flexible flat g

Details Method and apparatus for automatically packaging flexible flat g Method and apparatus for automatically packaging flexible flat g

1974-10-15

1976-08-31

McGehee, Travis S.

Package making

Interrelated or safety controls

53 29, 53 51, 53120, 53183, B65B 6304

Patent

active

039771520

ABSTRACT:
Foldable sheet articles are packaged by forming a stack of the articles, folding the stack about a center line by exerting pressure from above the stack onto the center line, suspending a doubled-over web of packaging film by its edges below the stack, introducing the stack, fold line foremost, between the web edges from above in a direction at right-angles thereto and fully inserting it in the doubled web while supporting the lowermost web portion, welding the web shut by a seam at the edges and a separating weld seam perpendicular thereto while exerting pressure on the stack to expel air, and, simultaneously with the welding step, advancing the web so as to bring a succeeding length of web below a successive stack of sheet articles to be packaged.

REFERENCES:
patent: 3481099 (1969-12-01), Clancy
patent: 3766701 (1973-10-01), Besserdich et al.
patent: 3805482 (1974-04-01), O'Shea et al.

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