| 摘要 |
645-019 UNITED STATES PATENT APPLICATION OF : SANFORD REDMOND FOR: ASYMMETRIC STRESS CONCENTRATOR FOR A DISPENSER PACKAGE A dispenser package comprising a relatively stiff flat sheet including a tough, high barrier layer secured to at least one surface thereof, a flexible sheet secured to one side of the relatively stiff sheet to form an enclosed flexible pouch or chamber adjacent the relatively stiff sheet, a cut pattern or fault line or other fault area scored or otherwise formed in the relatively stiff sheet generally along the transverse center line thereof, and at least one asymmetric protrusion displacing at least a portion of the fault line or fault pattern of the relatively stiff sheet, said protrusion preferably comprising an asymmetrical substantially semi- or split pyramidal shape. In preferred embodiments, a duplex or multiplex dispenser package is provided, including at least two adjacent but separate pouches or chambers secured to the relatively stiff sheet, and at least two substantially semi- or split pyramidally shaped, stress concentrating protrusions, at least one of said protrusions located above and along the inner edge of each separate pouch or, chamber. Alternatively, the duplex or multiplex package is formed by interconnecting one or more individual dispenser packages. |
