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 代理人
主权项
地址