Plastic article or earthenware shaping or treating: apparatus – Press forming means – press reshaping means – or vulcanizing... – Cooperating endless belts
Reexamination Certificate
2005-06-21
2005-06-21
Mackey, James P. (Department: 1722)
Plastic article or earthenware shaping or treating: apparatus
Press forming means, press reshaping means, or vulcanizing...
Cooperating endless belts
C425S384000, C425S385000
Reexamination Certificate
active
06908295
ABSTRACT:
A process and apparatus for embossing thermoplastic products having precise microstructured surfaces including using a continuous press having upper and lower belts with the embossing pattern(s); feeding thermoplastic material through the press where heat and pressure are applied to form the embossed pressure microstructure, and cooling the embossed material, all while maintaining pressure. A continuous embossing tool is provided by welding segments together, the welds including interface material at the weld joint which is of a different material than the segment material to increase the tensile strength.
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Pricone Robert M.
Thielman W. Scott
Avery Dennison Corporation
Mackey James P.
Renner , Otto, Boisselle & Sklar, LLP
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