Isolated targeting of problem areas in hermetic seals

Details Isolated targeting of problem areas in hermetic seals Isolated targeting of problem areas in hermetic seals

2005-04-12

2005-04-12

Smith, Scott A. (Department: 3721)

Package making

Methods

Enclosing contents within progressively formed web means

C053S370700, C053S371200, C053S373700, C053S374200

Reexamination Certificate

active

06877296

ABSTRACT:
In order to reduce the percentage of leaks in sealed packages, the sealing jaws contain one or more raised regions that correspond to problem areas for leaks, i.e., adjacent to back seals and folds in the package design. The raised regions are raised approximately 4-20 mils above the regions that seal the normal two layers of material.

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U.S. Appl. No. 10/061,133, filed Jan. 31, 2002, Cooper et al.

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