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Frankel Industries, Inc. Patents |
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Assignee: Frankel Industries, Inc.
Address: Edison, NJ
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 5894939 |
System for sorting post-consumer plastic containers for recycling |
April 20, 1999 |
| A method to sort plastic articles, such as bottles, for recycling utilizes a first sensing area where the bottle is irradiated with circularly polarized light. The circularly polarized light changes polarization on passing through the bottle. The changed circularly polarized light is the |
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