Woodworking – Process – Including monitoring of operation
Reexamination Certificate
2011-03-08
2011-03-08
Ross, Dana (Department: 3725)
Woodworking
Process
Including monitoring of operation
Reexamination Certificate
active
07900663
ABSTRACT:
Methods are provided for determining a location of a pith along a length of a wood sample. The methods may comprise the steps of: determining pith direction; selecting two areas of the wood sample at which two or more chords of a ring can be defined; bisecting the chords to define a line perpendicular to the chords; and locating at least one intersection point for two or more of the bisecting perpendicular lines.
REFERENCES:
patent: 4831545 (1989-05-01), Floyd et al.
patent: 4916629 (1990-04-01), Bogue et al.
patent: 7715011 (2010-05-01), Huang et al.
patent: 2005/0031158 (2005-02-01), Biernacki et al.
Chiang Jennifer
Ross Dana
Vaughn Rachael
Weyerhaeuser NR Company
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