Package making – Methods – Forming a cover adjunct or application of a cover adjunct to...
Patent
1996-11-26
1998-04-07
Culver, Horace M.
Package making
Methods
Forming a cover adjunct or application of a cover adjunct to...
53479, 53450, 53463, 53526, 53528, 53436, B65B 124, B65B 1320, B65B 906, B65B 5126
Patent
active
057351066
ABSTRACT:
In accordance with the present invention, products are contained within a continuous cylindrical sleeve in a low- or no-tension condition. Products are captured within the sleeve during its formation. The sleeve forms a continuous path encircling the product(s) in at least one plane through the products and package, defining an axial direction normal to the plane and a circumferential direction around the product(s) within the plane. One or more axially-extending pleats are unitarily formed from the material comprising the cylindrical wall of the sleeve, such that the circumference of the cylindrical sleeve is reduced. By reducing the circumference of the cylinder the interior volume of the sleeve, and thus the finished package, is reduced, thus subjecting the products within the package to a compressive force. The compressive force is imparted by a uniform reduction in circumference resulting in a uniform inwardly-directed product compression. Where a single pleat is formed so as to uniformly reduce the circumference of the sleeve, the reduction in circumference is approximately equal to the finished width of the pleat. Multiple pleats multiply the reduction in circumference.
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Andes William Scott
Burda Timothy Paul
Andes William Scott
Culver Horace M.
Linman E. Kelly
Paradiso John
Rasser Jacobus C.
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