Package making – Methods – Filling preformed receptacle and closing
Patent
1998-05-14
2000-02-01
Hail, III, Joseph J.
Package making
Methods
Filling preformed receptacle and closing
531397, 53410, 53462, B65B 2300
Patent
active
060189347
ABSTRACT:
A method and apparatus for installing covers to protect picture frame corners from damage during shipment utilizes thin cardboard preforms having symmetric, left and right-side, right-triangular cover flaps joined at vertical sides thereof to opposite vertical sides of a vertically elongated, rectangular spine flap, the left-hand triangular cover flap having depending downwardly from its base a horizontally elongated rectangular side cover flap, and depending downwardly from the lower lateral edge of the side cover flap a trapezoidally-shaped securement flap. The preform is positioned below a picture frame corner, with intersecting side members of the frame vertically aligned with the sides of the left-hand right-triangular cover flap, which serves as a lower face cover flap. The apparatus includes folder mechanisms including flap folder arms which fit into worktable recesses, and which bend the side cover flap and securement flap into a vertical position adjacent a first side of the frame corner and perpendicularly inwardly to overlie the first frame member, bend the spine flap and right-hand triangular cover flap into a vertical position adjacent the second frame member, and the right-hand triangular flap perpendicularly inwards from the spine flap to overlie the second and first frame members. An automatic staple gun then inserts a staple downwardly through the right-triangular cover flap into the securement flap and left-hand frame member, securing the corner protector in a folded disposition over the frame corner.
REFERENCES:
patent: 2226601 (1940-12-01), Euller
patent: 3725170 (1973-04-01), Doll
patent: 4598825 (1986-07-01), Wiley et al.
patent: 4757666 (1988-07-01), Janhonen
Chapin William L.
Hail III Joseph J.
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