Melt-blown nonwoven wiper
AssigneeKimberly-Clark Corporation
InventorsMalcolm L. Johnson, Tracey A. Burbank, Mark D. Strickland
Life of this patent
Estimating the term…
Abstract
There is disclosed a nonwoven wiper comprising a composite web made of a number of interbonded layers of meltblown thermoplastic fibers. The outer layers have average pore sizes greater than 20 microns and preferably greater than 40 microns for rapid pick up of liquid. The internal layers have average pore sizes between 10-20 microns for liquid holding capacity.
Claims2
A nonwoven wiper comprising a composite web comprising interbonded layers of melt-blown thermoplastic fibers, the web having a pore size distribution across its thickness, wherein the web has at least one outer layer having pores with an average size greater than 20 microns and at least one other layer having pores of an average size less than 20 microns.
Dependencies are inferred from the claim text.