Invention Grant
US07900663B2 Method for grading a wood sample based on pith direction and/or pith location
有权
基于髓样方向和/或髓位置对木材样品进行分级的方法
- Patent Title: Method for grading a wood sample based on pith direction and/or pith location
- Patent Title (中): 基于髓样方向和/或髓位置对木材样品进行分级的方法
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Application No.: US11692628Application Date: 2007-03-28
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Publication No.: US07900663B2Publication Date: 2011-03-08
- Inventor: Chih-Lin Huang
- Applicant: Chih-Lin Huang
- Applicant Address: US WA Federal Way
- Assignee: Weyerhaeuser NR Company
- Current Assignee: Weyerhaeuser NR Company
- Current Assignee Address: US WA Federal Way
- Agent Rachael Vaughn
- Main IPC: B23Q15/00
- IPC: B23Q15/00
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.
Public/Granted literature
- US20080237096A1 Methods for determining pith direction and location in lumber Public/Granted day:2008-10-02
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