Paper making and fiber liberation – Apparatus – Measuring – testing – inspecting – indicating or illuminating
Reexamination Certificate
2006-02-14
2006-02-14
Halpern, Mark (Department: 1731)
Paper making and fiber liberation
Apparatus
Measuring, testing, inspecting, indicating or illuminating
C162S272000, C162S275000, C162S198000, C162SDIG010, C162S252000, C162S253000, C162S254000, C162S255000, C162S256000, C162S257000, C162S258000, C162S259000, C162S260000, C034S446000, C034S447000, C034S448000, C034S561000, C034S114000, C034S115000, C034S116000, C073S037700, C073S159000, C356S442000, C356S336000
Reexamination Certificate
active
06998021
ABSTRACT:
In a paper machine which comprises process elements and a measuring beam, the measuring beam is arranged at least at one paper machine process element so that a measuring device for measuring quality properties of a paper web is arrangeable in the measuring beam. The paper machine process element is e.g. a blow box, which is arrangeable in a dryer unit of the paper machine between drying cylinders to blow air via at least one blow air channel provided in the blow box to guide the moving paper web and/or to assist drying.
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Copy of Finnish Official Action for Appl. No. 20010603, dated Nov. 16, 2001.
Copy of International Search Report for PCT/FI02/00244 completed May 28, 2002.
Koivu Jari
Kukkurainen Matti
Mäntylä Markku
Alston & Bird LLP
Halpern Mark
Metso Automation Oy
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