Package making – Methods – Conforming by stretching or shrinking of cover over contents
Reexamination Certificate
2004-12-22
2010-11-02
Gerrity, Stephen F (Department: 3721)
Package making
Methods
Conforming by stretching or shrinking of cover over contents
C053S556000, C156S272800, C156S380900
Reexamination Certificate
active
07823366
ABSTRACT:
Apparatus selectively processes a substrate using radiant energy. The substrate can consist of any target material having a portion to be processed using the radiant energy and a larger portion to be unprocessed. The apparatus includes a source of radiant energy (preferably a quantum cascade laser) that has a customizable spectrum that can be configured to be specifically absorbed only by the portion to be processed, and a control system for targeting the radiant energy only at the portion to be processed. Specific examples of the use of the apparatus and method are in the technologies of heat-shrinking polyethylene film, fusing toner to paper in a laser printer, heating reaction vessels in DNA testing, and temperature profiling bottle pre-forms.
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Douglas Machine Inc.
Gerrity Stephen F
Kamrath Alan
Kamrath & Associates PA
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