发明名称 |
BACKUP BOARD FOR MACHINING PROCESS |
摘要 |
A backup board for use in a machining process includes a fibrous layer, at least one side of the fibrous layer being provided with a surface layer adhered and laminated thereon, wherein the surface layer is made of a cured paper impregnated with a thermosetting resin. The fibrous layer has a density of about 600 - 900 kg/m<3> and includes kenaf fibers adhered together by impregnating a thermosetting adhesive into a fibrous mat of the kenaf fibers, the kenaf fibers having an average length of about 10 - 200 mm and an average diameter of about 10 - 300 pm. |
申请公布号 |
WO2005086549(A2) |
申请公布日期 |
2005.09.15 |
申请号 |
WO2004IB03627 |
申请日期 |
2004.11.03 |
申请人 |
MATSUSHITA ELECTRIC WORKS LTD. |
发明人 |
UMEOKA, KAZUNORI;FUJIOKA, TORU;OKUDAIRA, YUZO |
分类号 |
B27N3/04;B23B35/00;B23B41/00;B26F1/16;B32B5/00;D04H1/425;D04H1/587;H05K3/00 |
主分类号 |
B27N3/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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