发明名称 Helical surface-shaped machine part and method for manufacturing the same
摘要 A helical surface-shaped machine part or component having a radially extended flank profile or section. At least two components wound in the same direction are joined together by means of their contacting coils in such a manner that their cross-sections augment one another to form the complete flank profile or section.
申请公布号 US4091693(A) 申请公布日期 1978.05.30
申请号 US19760700060 申请日期 1976.06.25
申请人 STRAUB, IMMANUEL 发明人 STRAUB, IMMANUEL
分类号 B65G33/26;E21B17/22;(IPC1-7):B21K5/02 主分类号 B65G33/26
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