Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Reexamination Certificate
2005-01-04
2005-01-04
Sells, James (Department: 1734)
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
C156S265000, C156S513000, C156S519000
Reexamination Certificate
active
06837956
ABSTRACT:
Improved aperturing of a web can be obtained by providing pins with an extended tapered section that is substantially convex in shape. When the tapered section is longer than the penetration depth of the pins into the receiving recesses of a female roll, frictional forces in the nip between layers are reduced. Pins with extended tapered sections can be used in devices for producing apertured composite web assemblies comprising sections of absorbent matter attached to a nonwoven web or other carrier layer.
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Cowell Christine M.
Kubalek Richard W.
Lake Andrew M.
Lindsay Jeffrey D.
Moder Susan J.
Kimberly--Clark Worldwide, Inc.
Sells James
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