Envelopes – wrappers – and paperboard boxes – Paperboard box – Elevated bottom wall included in a one-piece box construction
Patent
1994-07-29
1995-09-26
Elkins, Gary E.
Envelopes, wrappers, and paperboard boxes
Paperboard box
Elevated bottom wall included in a one-piece box construction
2291161, 229193, 383104, 493167, 493171, 493174, 493252, B65D 542, B31B 326
Patent
active
054528445
ABSTRACT:
Bag of the type obtained from a single elongate planar cutting presenting two parallel long edges with the cutting being backfolded in order to define the two faces of the bag. The faces meet at a transverse bottom formed by the medial portion of the cutting and the two faces of the bag are joined edge to edge by their two long edges and the small side opposite to the bottom. The bag is characterized in that the bottom is comprised of two triangular facets which are opposite back to back from the central region of the bottom and the two triangular facets are bent back towards the internal volume of the bag. The apex of the triangle is oriented toward the outside and meets the corresponding long edge of the bag. Each long edge of the bag is formed by edge joining of the two faces and comprises, in the zone between the triangle apex and the bag base, four thicknesses or layers from the initial cutting, sealed to each other. The two internal layers sealed to each other are slightly set back towards the inside thereby leaving an edge zone defined by the two external layers which are thus in contact with each other and sealed to each other beyond the terminal edge of the two internal layers to provide sealing and homogeneity of the bag.
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Bochet Thierry
Moriniere Jean-Pierre
Elkins Gary E.
Packart Holding
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