A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 13/15 (2006.01) A61F 13/50 (1990.01)
Patent
CA 2138680
The present invention provides an apparatus and method for forming a composite web having selected discrete pocket regions which are distributed on a carrier layer and contain high-absorbency material. The invention includes a pattern chamber having opposed side walls, an entrance end wall and an exit end wall. A particulate supplying mechanism provides particles of high-absorbency material into the pattern chamber, and a web supplying mechanism provides a gas permeable carrier layer. A foraminous forming mechanism moves the carrier layer through the pattern chamber, and the forming mechanism includes a pattern of openings which are formed therethrough and are arranged to provide for a selected pattern of the discrete pocket regions. A vacuum supplying mechanism provides a selected level of relatively low gas pressure at an underside region of the forming mechanism to produce a selected gas-flow through the carrier layer and the foraminous forming mechanism to form the pocket regions. A covering mechanism provides a layer of liquid-permeable covering material to sandwich said pocket regions of high-absorbency material between said carrier layer and said covering layer.
Hahn John Timothy
Heath Mark Gordon
Killian Thomas Michael
Mlinar Joseph Andrew
Olsen Thomas George
Borden Ladner Gervais Llp
Kimberly-Clark Corporation
Kimberly-Clark Worldwide Inc.
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