Plastic and nonmetallic article shaping or treating: processes – Pore forming in situ
Reexamination Certificate
2011-06-28
2011-06-28
Johnson, Christina (Department: 1742)
Plastic and nonmetallic article shaping or treating: processes
Pore forming in situ
C264S055000, C264S165000, C521S050000
Reexamination Certificate
active
07968023
ABSTRACT:
The invention relates to a process and a device for the production of polyurethane clock foam, in which the reaction mixture, after flowing through a mixer, flows freely from an outflow opening and then flows through an accumulation chamber, in which a static pressure is built up, a gap and finally an expansion chamber.
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Klahre Horst
Schamberg Martin
Wirth Juergen
Hennecke GmbH
Johnson Christina
Lucas & Mercanti LLP
Schiffman Benjamin
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