发明名称 Pipe-producing process and device
摘要 The invention relates to a process and a device for producing a pipe from an elongated piece of wood. In order to achieve simple and reliable working, the wood piece 4 is guided in the axial direction through a nozzle 2 of lesser diameter than the wood piece, the nozzle 2 cutting away the middle part of the wood piece from the wood piece 4. <IMAGE>
申请公布号 FI80631(B) 申请公布日期 1990.03.30
申请号 FI19890000144 申请日期 1989.01.12
申请人 KORTE, AIMO 发明人 KORTE, AIMO
分类号 B27M;B27N3/00;(IPC1-7):B27N3/00 主分类号 B27M
代理机构 代理人
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