User-activatible substance delivery system

Details User-activatible substance delivery system User-activatible substance delivery system

2005-03-08

2005-03-08

Juska, Cheryl A. (Department: 1771)

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

C428S166000, C428S172000, C428S192000, C428S195100, C428S196000, C428S320200, C428S321100, C442S392000, C442S393000, C442S394000

Reexamination Certificate

active

06863960

ABSTRACT:
A user-activatible substance delivery system of the present invention comprises a first web and a second web, the first and second webs having a periphery and being enclosed about their respective peripheries and defining a void space therein. A substance for delivery upon user activation is disposed in the void space. At least one of the first or second webs has at least one bond site. The bond site(s) define(s) a melt weakened region such that upon application of a force having a vector component parallel to the transverse axis, the bond site(s) fracture(s) to form a corresponding aperture in the respective web. The apertures provide a fluid communication path to facilitate delivery of the substance from the void space.

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