1976-04-15
1977-12-27
Coan, James F.
93 1F, 93 581, B31B 1900
Patent
active
040647927
ABSTRACT:
A package and a method and apparatus for producing same are set forth. The package preferably is made of two single-faced corrugated sheets having cohesive corrugated surfaces. A lower sheet has side walls bent upwardly at edge portions thereof and flanges bent outwardly from the upper edges of the walls. An upper sheet bridges an object to be packaged located on the main portion of the lower sheet between the side walls, and has edge portions adhered to the flanges of the lower sheet. The ends of the two sheets are pressed to cause them to adhere together with the side walls simultaneously being folded outwardly at the centers and adhered to themselves. In the machine and method for producing the package, a first web has side walls bent upwardly and flanges outwardly by suitable folding rails as the web is moved longitudinally in a horizontal direction. After the object is added, a second web is brought downwardly near the first web with the side edges of the second web and the flanges of the lower web pressed together. The trailing end of one package and the leading end of another package are then pressed together and severed along a central line to complete the operation.
REFERENCES:
patent: 1316064 (1919-09-01), Seymour et al.
patent: 1711228 (1929-04-01), Duvall et al.
patent: 2113636 (1938-04-01), Vogt
patent: 2120920 (1938-06-01), Masters et al.
patent: 3397508 (1968-08-01), Stroop
Coan James F.
Gutchess, Jr. Allen D.
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