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    • 8. 发明授权
    • Post
    • 邮寄
    • US4738058A
    • 1988-04-19
    • US36683
    • 1987-02-17
    • Lars Svensson
    • Lars Svensson
    • E04H12/08F21V21/10E01F9/01
    • E04H12/08F21V21/10
    • The present invention relates to a post comprising a hollow elongated body (1) and rods (2) adapted for static cooperation therewith and so interconnected that said cooperation is interrupted when the post is subjected to local transverse stresses of a predetermined magnitude.The novel features of the invention reside in that the hollow body (1), which is manufactured by extrusion, is provided with a number of per se known internal grooves (5) forming rupture lines and, at least two inwardly open channels (8) defined by inwardly projecting tongues (7), and in that the rods (2) are accommodated in the channels (8), suitably under prestress.
    • 本发明涉及一种包括中空细长主体(1)和适于与其静态协作的杆(2)的柱,并且因此相互连接,使得当桩经受预定大小的局部横向应力时,所述协作被中断。 本发明的新颖特征在于,通过挤出制造的中空体(1)设置有多个已知的形成断裂线的内部凹槽(5)和至少两个向内开放的通道(8), 通过向内突出的舌部(7)限定,并且杆(2)适当地在预应力下容纳在通道(8)中。