发明名称 |
AVLANGT ELEMENT INNBEFATTENDE TRESPON BLANDET MED ET BINDEMIDDEL, OG FREMGANGSMAATE FOR TILVEIEBRINGELSE AV ET AVLANGT MASSIVT KONSTRUKSJONSELEMENT. |
摘要 |
An elongate structural member such as a railroad crosstie, highway sign post or highway guard post, is constructed by compressing wood flakes intermixed with a binder and comprises a first elongate portion (such as 14) formed integrally with at least a second portion (such as 16) of different density. |
申请公布号 |
NO161300(C) |
申请公布日期 |
1989.08.02 |
申请号 |
NO19820001613 |
申请日期 |
1982.05.14 |
申请人 |
WEYERHAUSER COMPANY |
发明人 |
LUND, ANDERS E.;KREUGER, GORDON P.;ADAMS, ROY D. |
分类号 |
B27N5/00;E01B3/02;E01B3/46;E01F9/011;E01F9/018;E01F15/04 |
主分类号 |
B27N5/00 |
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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