Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Reexamination Certificate
2005-11-29
2005-11-29
Aftergut, Jeff H. (Department: 1733)
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
C156S163000, C156S164000, C156S167000, C156S229000, C156S494000, C156S495000, C156S500000
Reexamination Certificate
active
06969441
ABSTRACT:
In the invention, a method is provided for producing a composite nonwoven fabric. A polymer is extruded into heated continuous filaments, possibly elastic, from the die head to a first chilled roller, wherein the extruder is configured to provide the continuous filaments to the chilled roller in a canted direction that is at a tangent or angle to the surface of the first chilled roller. The filaments are conveyed in a downward direction by way of chilled rollers to a nip. In a next step, the nonwoven web is sprayed with an adhesive and is laminated on the continuous filaments in the nip to form a composite nonwoven fabric. The continuous filaments move vertically downward approximately in line with the lamination process, facilitating automatic re-threading of filaments when they are broken or interrupted in their travel downward onto the chilled rolls.
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pate
Boggs Lavada
Brewer John A.
Cook Michael C.
Dobbins Leslie D.
Fitts, Jr. James R.
Aftergut Jeff H.
Dority & Manning P.A.
Kimberly--Clark Worldwide, Inc.
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