Plastic and nonmetallic article shaping or treating: processes – With measuring – testing – or inspecting
Patent
1994-07-12
1996-02-27
Theisen, Mary Lynn
Plastic and nonmetallic article shaping or treating: processes
With measuring, testing, or inspecting
264511, 264517, 264112, 264113, 425 801, 425 811, 156276, B27N 302, B27N 304, A61F 1300
Patent
active
054946220
ABSTRACT:
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.
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Nonwovens World: A Journal for Management, Summer 1994, p. 13.
Hahn John T.
Heath Mark G.
Killian Thomas M.
Mlinar Joseph A.
Olsen Thomas G.
Kimberly-Clark Corporation
Theisen Mary Lynn
Yee Paul
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