Package making – Methods – Forming or partial forming a receptacle and subsequent filling
Patent
1989-08-01
1990-12-18
Coan, James F.
Package making
Methods
Forming or partial forming a receptacle and subsequent filling
53171, 53562, 493934, B65B 4308
Patent
active
049777246
ABSTRACT:
Trapezoidal sections are simultaneously heat sealed and cut from a long strip of sheet plastic folded over double or in tubular form. Cutting one long corner and inserting air opens the interior volume of the trapezoid. Crimping the long ends horizontally, with the trapezoidal plane held vertically, and heat sealing one bottom end forms a tent-shaped bag. The paint bags are placed in a molded tote tray and gang filled through the cut ends and a number of the cut ends heat sealed simultaneously by a bar sealer. The molded tote tray is also used to transport and display the paint bags. Each paint bag fits into a paint applicator having a tent-shaped receiving space directly contacting a paint pad with multiple holes. The paint bag is punctured and squeezed to supply paint continuously to the pad through the holes. A tubular sheet of plastic creates disposable paint bags filled through one of the bottom ends before sealing. Folded over plastic sheets create open-topped refillable paint bags.
REFERENCES:
patent: 2908383 (1959-10-01), Vogt
patent: 3282411 (1966-11-01), Jardine
patent: 3411264 (1968-11-01), Farquhar
patent: 3967772 (1976-07-01), Baker
patent: 4216639 (1980-08-01), Gautier
patent: 4813208 (1989-03-01), Piltz et al.
Coan James F.
Nitkin William
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