发明授权
- 专利标题： Structural member with increased shear resistance
- 专利标题（中）： 具有增加抗剪强度的结构件
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申请号： US675240申请日： 1996-07-03
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公开(公告)号： US5891550A公开(公告)日： 1999-04-06
- 发明人: Daniel A. Tingley
- 申请人： Daniel A. Tingley
- 专利权人： Tingley; Daniel A.
- 当前专利权人： Tingley; Daniel A.
- 主分类号： A63B59/06
- IPC分类号： A63B59/06 ; B27B1/00 ; B27M3/00 ; E04C3/14 ; E04C3/18 ; B32B7/00
摘要：
A wood structural member for bearing a structural load includes at least one wood segment having a generally radial cross-section is selected and arranged so that the annual rings intersect the horizontal shear stress plane at an angle between thirty and ninety degrees.
公开/授权文献
- US5112514A Oxidant detergent containing stable bleach activator granules 公开/授权日：1992-05-12
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