Package making – Methods – Forming or partial forming a receptacle and subsequent filling
Patent
1992-10-21
1994-08-09
Culver, Horace M.
Package making
Methods
Forming or partial forming a receptacle and subsequent filling
53558, 533748, B65B 302, B65B 317, B65B 4300
Patent
active
053354869
ABSTRACT:
An apparatus and method for forming fluid-containing envelopes from two superimposed layers of enclosure material, defining a workpiece, by transporting the workpiece on a support to a plurality of processing stations. One of the processing stations forms at least a portion of the perimeter of each envelope to be formed from the workpiece by appropriately sealing the two layers together in a predefined pattern. At least one inlet coinciding with an unsealed portion of the layers is provided for each such envelope such that an appropriate fluid may be provided thereto when the workpiece is positioned at another processing station. Advantageously, the workpiece is maintained in a certain position on/relative to the support when provided to the envelope filling/forming station and other processing stations which may be incorporated (e.g., secondary sealing station, die cutting station). As a result, the potential for production of defective envelopes which would have to be scrapped is reduced since the alignment of the workpiece relative to such processing stations is maintained within a certain tolerance.
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Alden Laboratories, Inc.
Culver Horace M.
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