User-activatible substance delivery system
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United States of America Patent
Stats
-
Mar 8, 2005
Grant Date -
Feb 21, 2002
app pub date -
Jun 21, 2001
filing date -
Dec 21, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
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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