METHOD AND ARRANGEMENT FOR IMPROVING THE FIXING ARRANGEMENT OF A CHIPPER BLADE
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United States of America Patent
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Issued Date -
Oct 6, 2011
app pub date -
Dec 7, 2009
filing date -
Dec 5, 2008
priority date (Note) -
Abandoned
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Abstract
A fixing arrangement of a chipper blade for a chipper having a cylindrical blade disc, one end surface of which is provided with one or more blades extending essentially radially in relation to the blade disc and for support thereof a wearing segment is arranged, the chipper is provided with a wearing surface subsequent the blade for resisting the stress caused by the logs being chipped in the chipper. At least one blade segment is arranged to be supported onto the blade and the wearing segment, an upper surface of which forms a desired portion of the wearing surface, and a coating is formed on the upper surface to resist stress.
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