| United States Patent | 6,441,340 |
| Varriano-Marston | August 27, 2002 |
Microperforated packaging materials for use in modifying or controlling the flow of oxygen and carbon dioxide into and/out of a fresh produce container, where the microperforations are specifically tailored in size, location and number for the specific produce. A packaging system of designating specifically tailored microperforated containers for particular fresh produce to optimally preserve the produce. A method of making the registered microperforations on the packaging material using a CO.sub.2 laser and a sensor mechanism.
| Inventors: | Varriano-Marston; Elizabeth (18 Wilson Rd., Windham, NH 03087) |
| Appl. No.: | 528290 |
| Filed: | March 17, 2000 |
| Current U.S. Class: | 219/121.7 |
| Intern'l Class: | B23K 026/36 |
| Field of Search: | 219/121.6,121.61,121.62,121.67,121.7,121.71,121.83 |
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