| 摘要 |
PROBLEM TO BE SOLVED: To provide a wooden door and its manufacturing method, which prevents the siding boards from cracking. SOLUTION: This wooden door is equipped with a frame 12 formed in a substantially square shape with vertical stiles 11<SB>1</SB>and 11<SB>2</SB>, a bottom rail 12<SB>1</SB>and a top rail 12<SB>2</SB>, a core material 15<SB>1</SB>provided at the frame 12 and having slots 15a<SB>11</SB>, 15a<SB>12</SB>and 15a<SB>13</SB>, and a core material 15<SB>2</SB>provided at the frame 12 and having slots 15a<SB>21</SB>, 15a<SB>22</SB>and 15a<SB>23</SB>, and a plurality of vertical siding boards 13<SB>1</SB>to 13<SB>6</SB>adhered to the surfaces of core materials 15<SB>1</SB>and 15<SB>2</SB>by elastic adhesives with elastic power. COPYRIGHT: (C)2006,JPO&NCIPI
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