Package making – Wrapping machines – Cover-wiping passage or pocket for initial wrap
Patent
1976-07-02
1978-02-14
Simpson, Othell M.
Package making
Wrapping machines
Cover-wiping passage or pocket for initial wrap
53388, B65B 1132
Patent
active
040731235
ABSTRACT:
A machine for wrapping articles of substantially rectangular parallelepiped form comprises a first tumble box which partially forms a wrapper to a generally U-shaped configuration about an article, a long seam heater which cooperates with the first tumble box to complete the initial wrapping operation and seals the long seam of the wrapper, and second, third, and fourth tumble boxes which tuck and fold the ends of the wrapper inwardly against opposite end of the article and complete the wrapping operation. Each tumble box has an ejector mechanism operated by a rack and gear segment. The long seam heater has means for dumping articles therefrom when the machine stops for any reason. Package ends folds are made while the partially wrapped article is held substantially square by a tumble box. Another machine for wrapping a product which comprises individual pieces standing on edge and arranged in end-to-end relation utilizes three tumble boxes and a long seam heater. The tumble boxes and seam heater cooperate to retain opposite ends of the partially wrapped product as it advances through the wrapping machine. Final end folds are made while the partially wrapped product is held substantially square by a tumble box.
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Package Machinery Company
Simpson Othell M.
Sipos John
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