Package making – Methods – Forming or partial forming a receptacle and subsequent filling
Patent
1991-11-25
1993-05-18
Coan, James F.
Package making
Methods
Forming or partial forming a receptacle and subsequent filling
53459, 53568, 493198, B65B 4304
Patent
active
052109933
ABSTRACT:
A method and apparatus for producing and filling a plurality of pairs of containers from a flexible material. The lateral edges of a band of the flexible material are folded over, with a heat-sealable material forming an internal surface of the folded portions. Each folded portion has a transversal width equal to at least a height of the individual container to be produced. A series of heat seals are formed transversely along each folded portion at longitudinal intervals. Each of the longitudinal intervals are equal to a width of the individual container to be produced. The heat seals form lateral closing ribs between adjacent pairs of containers and terminate a short distance from the lateral edge of the folded portions. A center strip is maintained between the containers comprising each pair, with the heat seals extending from the sides of each of the folded portions and toward the center strip. The folded portions are cut transversely along a midline of the heat seals from the side toward the center strip, without cutting the center strip. Adjacent containers are detached from each other along the cut mid-line, wherein each of the plurality of pairs of containers remain connected along the center strip and at a point adjacent to the sides of the folded portions.
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Coan James F.
Crescent Holding H.V.
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