Paper making and fiber liberation – Apparatus – Measuring – testing – inspecting – indicating or illuminating
Reexamination Certificate
2005-06-22
2010-02-16
Halpern, Mark (Department: 1791)
Paper making and fiber liberation
Apparatus
Measuring, testing, inspecting, indicating or illuminating
C162S281000, C162S111000, C015S256510
Reexamination Certificate
active
07662261
ABSTRACT:
A beam structure for a web forming machine is arranged to be supported by its end components (10) on the web forming machine. The beam structure includes a casing structure (15) of a thin-sheet material, inside which a stiffener structure (30) is arranged. In addition, the casing structure (15) and the stiffener structure (30) are secured to each other to create a load-bearing beam structure.
REFERENCES:
patent: 4537659 (1985-08-01), Koski
patent: 5005515 (1991-04-01), Sollinger
patent: 5356519 (1994-10-01), Grabscheid et al.
patent: 1202167 (1970-08-01), None
patent: 02/22950 (2002-03-01), None
patent: 2006/010794 (2006-02-01), None
International Search Report issued in PCT/FI2005/050232.
Hassinen Reijo
Holopainen Kari
Kurkinen Leo
Lumijärvi Sami
Nikula Hannu
Halpern Mark
Metso Paper Inc.
Stiennon & Stiennon
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