Method of bending wood materials and an apparatus for bending wood materials
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United States of America Patent
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Aug 1, 2006
Grant Date -
Jul 14, 2005
app pub date -
Jan 14, 2004
filing date -
Jan 14, 2004
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The method of bending wood materials inserts cylindrical or board shaped wood material of uniform lateral cross-section into a bending template shaping channel via a driving mechanism to bend the wood material in the shaping channel. Further, the bending method of this invention applies pressure to the front end of the wood material via a braking mechanism to limit its movement in the shaping channel and prevent tension fracture on the stretched side of the curved wood material. Wood material, which is pushed from its aft end and movement limited at its front end, is compressed to control the amount of stretching of the extended outer periphery of the wood material undergoing bending and prevent tension fracture.
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