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Patents

Diaper Core with Triple Leak Guard:

U.S. Patent No. 10,166,156

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By: Karen McIntyre

Editor, Nonwovens Industry

Sew Jin Yeoh, Butterworth, Malaysia.
Assigned to SJ Circle Sdn Bhd, Kulim, Malaysia.

Filed: 12/29/16
Issued: 1/1/19

A triple leak guard diaper core for infant and adult, comprising: a center core comprising liquid absorbing material and a plurality of hollow sections disposed on the core longitudinally, allowing the core to bend upward or forming a U-channel, and a center core top surface is provided facing a liquid discharge source; at least one layer of bottom core wrap encapsulates the center core with a bottom core gap disposed on the center core top surface; and at least one layer of acquisition distribution layer is disposed on the top core wrap; wherein the bottom core wrap is provided a bottom core bottom surface disposed opposite of the bottom core gap; a third leak guard comprising at least one layer of nonwoven top sheet encapsulating the bottom core wrap, top core wrap, and acquisition distribution layer; at least one second leak guard comprising at least one layer of nonwoven with at least one elastic band embedded therein; and at least one first leak guard comprising at least one layer of nonwoven with at least one elastic band embedded therein, is disposed over a top sheet bottom surface; wherein the nonwoven top sheet comprising at least one elastic band disposed outside of a bottom core wrap longitudinal edge and a top sheet bottom surface, the top sheet bottom surface comprising a top sheet gap disposed over the bottom core bottom surface; and at least one PE film is disposed on the top sheet gap and top sheet bottom surface. n

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